Case#: 6 year old, male

Disease: Glazmann's Thrombasthenia

CasePresentingHPOs: HP:0000967, HP:0000978, HP:0004406, HP:0000225, HP:0006298, HP:0001892, HP:0002239

PlateletAgreggation: Defective response to ADP, Adrenaline, Collagen, Arachidonic acid. Normal response to Ristocetin.

GenotypingMethod: Genomic DNA was extracted from peripheral blood leukocytes for mutational analysis of the αIIb and β3 genes by DNA sequencing

Allele 1:

ClinVar: 2892

CAID: CA115834

Variant: NM_000419.5:c.1750C>T

GnomAD: East Asian Population 0.0002176 (4/18386)

Allele 2:

ClinVar: 953046

CAID: CA399802348

Variant: NM_000419.5:c.1651C>T

GnomAD: Highest in East Asian population at a rate of 0.00005045 (1/19820)

ExpressionEvidence:Flow Cytometry of platelet integrin: 99.2% B3 expression, 3% A2B expression

Case6: Patient HS, gender, age and ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who had minor symptoms, such as epistaxis or gum bleeds, and moderate bleeders suffered, in addition, from bleeding complications after surgery and trauma. Severe bleeders were defined as those with a history of spontaneous or life-threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusion. See Table 1.

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 6

PlateletAggregation: See Table 6

CasePreviousTesting: To ascertain the mutations, we sequenced the coding regions of the αIIb and β3 subunits including the exon/intron boundaries

Gene: ITGA2B

Variant: NM_000419.3:c.1878G>C

LegacyVariant: N/A

ClinVar: 2903

CAiD: CA115852

gnomAD: N/A

Case8: Patient GE, gender, age and ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who had minor symptoms, such as epistaxis or gum bleeds, and moderate bleeders suffered, in addition, from bleeding complications after surgery and trauma. Severe bleeders were defined as those with a history of spontaneous or life-threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusion. See Table 1.

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 6

PlateletAggregation: See Table 6

CasePreviousTesting: To ascertain the mutations, we sequenced the coding regions of the αIIb and β3 subunits including the exon/intron boundaries

Gene: ITGA2B

Variant: NM_000419.3:c.2051T>G (p.Leu684Arg)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399799849

gnomAD: N/A

Case18: Patient LB, gender, age and ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: Child is patient LN, significant other is patient LH

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who had minor symptoms, such as epistaxis or gum bleeds, and moderate bleeders suffered, in addition, from bleeding complications after surgery and trauma. Severe bleeders were defined as those with a history of spontaneous or life-threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusion. See Table 1.

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 6

PlateletAggregation: See Table 6

CasePreviousTesting: To ascertain the mutations, we sequenced the coding regions of the αIIb and β3 subunits including the exon/intron boundaries

Gene: ITGA2B

Variant: NM_000419.3:c.3062T>C

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399787956

gnomAD: N/A

Case14: Patient TN, gender, age and ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who had minor symptoms, such as epistaxis or gum bleeds, and moderate bleeders suffered, in addition, from bleeding complications after surgery and trauma. Severe bleeders were defined as those with a history of spontaneous or life-threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusion. See Table 1.

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 6

PlateletAggregation: See Table 6

CasePreviousTesting: To ascertain the mutations, we sequenced the coding regions of the αIIb and β3 subunits including the exon/intron boundaries

Gene: ITGA2B

Variant: NM_000419.3:c.3060G>A

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA500261104

gnomAD: N/A

Case3: Patient MU, gender age and ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who had minor symptoms, such as epistaxis or gum bleeds, and moderate bleeders suffered, in addition, from bleeding complications after surgery and trauma. Severe bleeders were defined as those with a history of spontaneous or life-threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusion. See Table 1.

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 6

PlateletAggregation: See Table 6

CasePreviousTesting: To ascertain the mutations, we sequenced the coding regions of the αIIb and β3 subunits including the exon/intron boundaries

Gene: ITGA2B

Variant: NM_000419.3:c.641T>C (p.Leu214Pro)

LegacyVariant: N/A

ClinVar: 2901

CAiD: CA115848

gnomAD: N/A

Case17: Patient LH, gender, age and ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: Child is patient LN, significant other is patient LB

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who had minor symptoms, such as epistaxis or gum bleeds, and moderate bleeders suffered, in addition, from bleeding complications after surgery and trauma. Severe bleeders were defined as those with a history of spontaneous or life-threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusion. See Table 1.

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 6

PlateletAggregation: See Table 6

CasePreviousTesting: To ascertain the mutations, we sequenced the coding regions of the αIIb and β3 subunits including the exon/intron boundaries

Gene: ITGA2B

Variant: NM_000419.3:c.3062T>C

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399787956

gnomAD: N/A

Case6: Patient FF, gender and age are not specified, all of these patients are Caucasian (either Italian or European)

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients presented with a current or past history of bleeding and a bleeding time >15 min. Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who bled only after trauma or surgery or had minor symptoms, such as epistaxis. Moderate/severe bleeders were defined as those with a history of spontaneous or life threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusions

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 1

PlateletAggregation: See Table 1

CasePreviousTesting: To identify point mutations responsible for GT, we have sequenced all coding regions of Ib and 3 genes and intron/exon boundaries.

Gene: ITGA2B

Variant: NM_000419.3:c.855dup

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940766

gnomAD: N/A

Case18: Patient ME, gender and age are not specified, all of these patients are Caucasian (either Italian or European)

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients presented with a current or past history of bleeding and a bleeding time >15 min. Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who bled only after trauma or surgery or had minor symptoms, such as epistaxis. Moderate/severe bleeders were defined as those with a history of spontaneous or life threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusions

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 1

PlateletAggregation: See Table 1

CasePreviousTesting: To identify point mutations responsible for GT, we have sequenced all coding regions of Ib and 3 genes and intron/exon boundaries.

Gene: ITGA2B

Variant: NM_000419.3:c.2929C>T (p.Arg977Ter)

LegacyVariant: (p.Arg946Ter)

ClinVar: N/A

CAiD: CA8602528

gnomAD: MAF in the South Asian population is 0.00003266 https://gnomad.broadinstitute.org/variant/17-42452041-G-A

Case2: Patient PF, gender and age are not specified, all of these patients are Caucasian (either Italian or European)

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients presented with a current or past history of bleeding and a bleeding time >15 min. Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who bled only after trauma or surgery or had minor symptoms, such as epistaxis. Moderate/severe bleeders were defined as those with a history of spontaneous or life threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusions

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 1

PlateletAggregation: See Table 1

CasePreviousTesting: To identify point mutations responsible for GT, we have sequenced all coding regions of Ib and 3 genes and intron/exon boundaries.

Gene: ITGA2B

Variant: NM_000419.3:c.416C>T (p.Ala139Val)

LegacyVariant: (p.Ala108Val)

ClinVar: N/A

CAiD: CA399806036

gnomAD: N/A

Case13: Patient BM, gender and age are not specified, all of these patients are Caucasian (either Italian or European)

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients presented with a current or past history of bleeding and a bleeding time >15 min. Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who bled only after trauma or surgery or had minor symptoms, such as epistaxis. Moderate/severe bleeders were defined as those with a history of spontaneous or life threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusions

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 1

PlateletAggregation: See Table 1

CasePreviousTesting: To identify point mutations responsible for GT, we have sequenced all coding regions of Ib and 3 genes and intron/exon boundaries.

Gene: ITGA2B

Variant: NM_000419.3:c.2113T>C (p.Cys705Arg)

LegacyVariant: (p.Arg674Arg)

ClinVar: N/A

CAiD: CA8602816

gnomAD: MAF in the European (non-Finnish) population is 0.000008792 https://gnomad.broadinstitute.org/variant/17-42455140-A-G

Case5: Patient DRP, gender and age are not specified, all of these patients are Caucasian (either Italian or European)

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients presented with a current or past history of bleeding and a bleeding time >15 min. Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who bled only after trauma or surgery or had minor symptoms, such as epistaxis. Moderate/severe bleeders were defined as those with a history of spontaneous or life threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusions

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 1

PlateletAggregation: See Table 1

CasePreviousTesting: To identify point mutations responsible for GT, we have sequenced all coding regions of Ib and 3 genes and intron/exon boundaries.

Gene: ITGA2B

Variant: This variant has a typo in the paper the real variant is this: NM_000419.3:c.800 G>A and NM_000419.3:c.2930del

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399805147 and CA915940386

gnomAD: N/A

Case9: Patient MR, gender and age are not specified, all of these patients are Caucasian (either Italian or European)

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients presented with a current or past history of bleeding and a bleeding time >15 min. Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who bled only after trauma or surgery or had minor symptoms, such as epistaxis. Moderate/severe bleeders were defined as those with a history of spontaneous or life threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusions

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 1

PlateletAggregation: See Table 1

CasePreviousTesting: To identify point mutations responsible for GT, we have sequenced all coding regions of Ib and 3 genes and intron/exon boundaries.

Gene: ITGA2B

Variant: NM_000419.3:c.1214T>C (p.Ile374Thr)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA290950815

gnomAD: N/A

Case1: 30 year old, Female (primigravada), ethnicity not reported

DiseaseAssertion: Type-1 Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: See Table 1 (Father wild type and mother has frameshift mutation)

CasePresentingHPOs: HP:0000132 (Menorrhagia)

CaseHPOFreeText: Vaginal bleeding, haematochezia

CaseNotHPOs: N/A

CaseNotHPOsFreeText: Proband did not have any bleeding manifestations at the age of 16

ProteinExpression: Using flow cytometry, the test sample (normal plate-lets+patient plasma) showed only 28% GPIIb-IIIa expression as compared to 81.4% GPIIb-IIIa expression seen in the control sample(normal platelets+control plasma) (Fig. 1B) confirming the presence of GPIIbIIIa antibodies in patient plasma.

PlateletAggregation: Absent aggregation in response to ADP and collagen and normal response to ristocetin (Platelet aggregation information found in Table 1)

CasePreviousTesting: The mutation analysis was performed by Sanger sequencing of both ITGA2B and ITGB3 genes, which showed a frameshift mutation: c.1230_1230delC, cDNA.1262_1262delC (Y411Tfs*20) due to a single base deletion in exon 13 of ITGA2B

Gene: ITGA2B

Variant: NM_000419.3:c.1230del

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940214

gnomAD: N/A

Disease: Glazmann's Thrombasthenia

Case: 11 year old female French Gypsy

CasePresentingHPOs: HP:0001975

(Decreased platelet glycoprotein IIb-IIIa)

GenotypingMethod:Genotyping analysis of the HPA-1 system by high resolution melting analysis (methods not provided, cited article I don't have access too)

ClinVar: 2895

CAID: CA10575473

Variant: NM_000419.5:c.1544+1G>A

GnomAD: Not found

ExpressionEvidence: Failed to express αIIbβ3 integrin on their platelet surface (methods not provided cited article no access too)

Disease: Glazmann's Thrombasthenia

Case: 48 year old female French Gypsy

CasePresentingHPOs: HP:0001975

(Decreased platelet glycoprotein IIb-IIIa)

GenotypingMethod:Genotyping analysis of the HPA-1 system by high resolution melting analysis (methods not provided, cited article I don't have access too)

ClinVar: 2895

CAID: CA10575473

Variant: NM_000419.5:c.1544+1G>A

GnomAD: Not found

ExpressionEvidence: Failed to express αIIbβ3 integrin on their platelet surface (methods not provided cited article no access too)

Case#: Patient ID 6, Male 3 years old. North Indian

Disease: Glazmann's Thrombasthenia

CasePresentingHPOs: HP:0003540, HP:0000967, HP:0002239

Impaired platelet aggregation, Petechiae, Gastrointestinal hemorrhage

PlateletAgreggation: LTA with ADP, Epi, Coll, AA, and Ristocetin: Impaired with all agonists

GenotypingMethod: Next generation sequencing. Sanger sequencing used to confirm pathogenic variants

ClinVar:1691486

CAID: CA399794330

Variant: NM_000419.5:c.2578C>T

GnomAD: NA

ExpressionEvidence:Flow Cytometry for platelet expression of GPIIb/IIIa in CD41a 0% and CD61 0%.

Case10: (Proband CabGT-10) Female, age not specifie,d North African

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

ProteinExpression: Flow cytometry showed <5% GPIIIa and GPIIb surface expression

Platelet Aggregation: N/A

CasePreviousTesting: Promoter and exon sequences of aIIb and b3 genes were amplified and directly sequence

Gene: ITGA2B

Variant: NM_000419.3:c.1878G>C (p.Gln626His)

LegacyVariant: N/A

ClinVar: 2903

CAiD: CA115852

gnomAD N/A

Case6: (Proband, CabGT-6), Male, age not specified, Caucasian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

ProteinExpression: Flow cytometry showed <5% surface expression of GPIIIa and GPIIb

Platelet Aggregation: N/A

CasePreviousTesting: Promoter and exon sequences of aIIb and b3 genes were amplified and directly sequence

Gene: ITGA2B

Variant: NM_000419.3:c.1413C>G (p.Tyr471Ter) and NM_000419.3:c.2800G>T (p.Val934Phe)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA290950376 (p.Tyr471Ter) and CA290946484 (p.Val934Phe)

gnomAD MAF in the European (non-Finnish) population is 0.000008791 https://gnomad.broadinstitute.org/variant/17-42457994-G-C

Case15: (Proband CabGT-15)

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

ProteinExpression: N/A

Platelet Aggregation: N/A

CasePreviousTesting: Promoter and exon sequences of aIIb and b3 genes were amplified and directly sequence

Gene: ITGA2B

Variant: NM_000419.3:c.2800G>T (p.Val934Phe)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA290946484

gnomAD N/A

Case12: (Proband CabGT-12), Female, age not specified, Caucasian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

ProteinExpression: Flow cytometry showed 19% GPIIb and 40% GPIIIa surface expression

Platelet Aggregation: N/A

CasePreviousTesting: Promoter and exon sequences of aIIb and b3 genes were amplified and directly sequence

Gene: ITGA2B

Variant: NM_000419.3:c.2113T>C (p.Cys705Arg) and NM_000419.3:c.3060+2T>C (p.Val982_Lys1020del)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8602816 and CA290944108

gnomAD MAF in the European (non-Finnish) population is 0.000008792 https://gnomad.broadinstitute.org/variant/17-42455140-A-G and MAF in the European non Finnish population for (p.Val982_Lys1020del) is 0.00003876 https://gnomad.broadinstitute.org/variant/17-42451720-A-G

Case1: Male, 33 months old, French Gypsy

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: Mother heterozygous for the c.1544+1G>A variant

CasePresentingHPOs: HP:0000967, HP:0000979, HP:0002094

(Petechiae, purpura, dyspnea,

CaseHPOFreeText: Hypoxia

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry analysis showed GPIIb/IIIa expression to be 22.6.

PlateletAggregation: Platelets failed to aggregate in response to ADP, epinephrine, collagen, calcium ionophore, and TRAP; however, ristocetin-induced aggregation was normal

CasePreviousTesting: Sequencing of coding regions of ITGA2B and ITGB3 genes was performed

Gene: ITGA2B

Variant: NM_000419.3:c.1544+1G>A

LegacyVariant: N/A

ClinVar: 2895

CAiD: CA10575473

gnomAD: N/A

Case9: Male, 20 years old, Tamil Nadu India

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0031364, HP:0000225, HP:0006298

(Epistaxis, ecchymosis, gingival bleeding, prolonged bleeding after dental extraction)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 1 for values

PlateletAggregation: See Table 1 for values

CasePreviousTesting: PCR amplification of ITAG2B and ITGB3

Gene: ITGA2B

Variant: NM_000419.3:c.2489T>G (p.Leu830Arg)

LegacyVariant: (p.Leu799Arg)

ClinVar: N/A

CAiD: CA8602667

gnomAD: MAF in the South Asian population is 0.00003270 https://gnomad.broadinstitute.org/variant/17-42453313-A-C

Case7: Male, 1 years old, West Bengal India

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000225, HP:0006298, HP:0000967

(Gingival bleeding, prolonged bleeding after tooth extraction, petechiae)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 1 for values

PlateletAggregation: See Table 1 for values

CasePreviousTesting: PCR amplification of ITAG2B and ITGB3

Gene: ITGA2B

Variant: NM_000419.3:c.1651C>T (p.Arg551Trp)

LegacyVariant: (p.Arg520Trp)

ClinVar: N/A

CAiD: CA399802348

gnomAD: MAF in the East Asian population is 0.00005045https://gnomad.broadinstitute.org/variant/17-42457471-G-A

Supplementary Tables 1 and 2 combined information:

Case29: GT29, Female, 16 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are not consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000132, HP:0000978, HP:0000979, HP:0031364, HP:0000225

(Menorrhagia, bruising, purpura, ecchymosis, gingival bleeding)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed 10-20% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed no response to ADP and collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGA2B

Variant: NM_000419.3:c.1750C>T (p.Arg584Ter)

LegacyVariant: N/A

ClinVar: 2892

CAiD: CA115834

gnomAD: MAF in the East Asian population: 0.0002176 https://gnomad.broadinstitute.org/variant/17-42457372-G-A

Supplementary Tables 1 and 2 combined information:

Case22: GT22, Female, 16 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are not consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000132 (Menorrhagia)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed <5% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed no response to ADP and collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGA2B

Variant: NM_000419.3:c.1750C>T (p.Arg584Ter)

LegacyVariant: N/A

ClinVar: 2892

CAiD: CA115834

gnomAD: MAF in the East Asian population: 0.0002176 https://gnomad.broadinstitute.org/variant/17-42457372-G-A

Supplementary Tables 1 and 2 combined information:

Case4: GT4, Female, 22 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000978, HP:0000979, HP:0031364, HP:0000421, HP:0000225, HP:0000132

(Bruising, purpura, ecchymosis, epistaxis, gingival bleeding, menorrhagia)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed <5% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed no response to ADP and collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGA2B

Variant: NM_000419.3:c.2671C>T (p.Gln891Ter)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8602626

gnomAD: N/A

Supplementary Tables 1 and 2 combined information:

Case8: GT8, Male, 9 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are not consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000978, HP:0000979, HP:0031364, HP:0000421

(Bruising, purpura, ecchymosis, epistaxis)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed <5% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed no response to ADP and collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGA2B

Variant: NM_000419.3:c.1651C>T (p.Arg551Trp) and NM_000419.3:c.2236G>T (p.Glu746Ter)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399802348 (p.Arg551Trp) and CA399798321 (p.Glu746Ter)

gnomAD: N/A

Supplementary Tables 1 and 2 combined information:

Case38: GT38, Female, 23 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are not consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000978, HP:0000979, HP:0031364, HP:0000132

(Bruising, purpura, ecchymosis, menorrhagia)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed <5% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed no response to ADP and collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGA2B and ITGB3

Variant: NM_000419.3:c.2613del in ITGA2B (p.Leu872Cysfs*38) and NM_000212.2:c.1646G>C in ITGB3 (p.Cys549Ser)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940594 (p.Leu872Cysfs*38) and CA400030198 (p.Cys549Ser)

gnomAD: MAF of (p.Cys549Ser) in the East Asian population: 0.00005453 https://gnomad.broadinstitute.org/variant/17-45369890-G-C

Supplementary Tables 1 and 2 combined information:

Case31: GT31, Female, 13 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are not consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000978, HP:0000979, HP:0031364, HP:0000421, HP:0000225

(Bruising, purpura, ecchymosis, epistaxis, gingival bleeding)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed <5% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed no response to ADP and collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGA2B and ITGB3

Variant: NM_000419.3:c.1022C>T (p.Ala341Val) in ITGA2B and NM_000212.2:c.412G>A (p.Val138Met) in ITGB3

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399804629 (p.Ala341Val) and CA400021826 (p.Val139Met)

gnomAD: N/A

Supplementary Tables 1 and 2 combined information:

Case40: GT40, Male, 5 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are not consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000978, HP:0000979, HP:0031364, HP:0000421

(Bruising, purpura, ecchymosis, epistaxis)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed <5% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed no response to ADP and collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGA2B

Variant: NM_000419.3:c.1750C>T (p.Arg584Ter) and NM_000419.3:c.962G>T (p.Gly321Val)

LegacyVariant: N/A

ClinVar: 2892 (p.Arg584Ter)

CAiD: CA115834 (p.Arg584Ter) and CA399804765 (p.Gly321Val)

gnomAD: MAF for p.Arg584Ter in East Asian population 0.0002176 https://gnomad.broadinstitute.org/variant/17-42457372-G-A

Supplementary Tables 1 and 2 combined information:

Case3: GT3, Female, 12 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are not consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000978, HP:0000979, HP:0031364, HP:0000421, HP:0000225

(Bruising, purpura, ecchymosis, epistaxis, gingival bleeding)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed <5% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed no response to ADP and collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGA2B

Variant: NM_000419.3: c.1750C>T (p.Arg584Ter)

LegacyVariant: N/A

ClinVar: 2892

CAiD: CA115834

gnomAD: MAF in East Asian population: 0.0002176 https://gnomad.broadinstitute.org/variant/17-42457372-G-A

Supplementary Tables 1 and 2 combined information:

Case6: GT6, Male, 7 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are not consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000978, HP:0000979, HP:0031364, HP:0000421

(Bruising, purpura, ecchymosis, epistaxis)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed 10-20% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed a small amount of response to ADP and collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGA2B

Variant: NM_000419.3:c.812C>G (p.Ala271Gly) and NM_000419.3:c.2172G>A (p.Met724Gln)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399805123 (p.Ala271Gly) and CA399798895 (p.Met724Gln)

gnomAD: N/A

Table 3 Molecular Diagnosis of Patients with Glanzmann Thrombasthenia:

Case2: GT-2, age, gender, ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: Segregation analysis confirmed in presence of heterozygous mutations in this proband.

ParentalGenotype: Although segregation analysis confirmed, we do not know which variant in particular came from mom or dad.

CasePresentingHPOs: N/A

CaseHPOFreeText: Patients presented with a variable bleeding diathesis; most patients had epistaxis (54%), cutaneous bleeding (58%), and menorrhagia (100% of women) while other common symptoms (oral cavity, GI, following dental extraction of mild injuries, postpartum, or hematomas) were in general milder. There is no specific phenotypes attached to probands in this paper.

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed that αIIbβ3 expression was less than 5%

PlateletAggregation: There was severely impaired aggregation in response to all physiological agonists, and ristocetin induced platelet agglutination was normal or reduced to some extent.

CasePreviousTesting: Total RNA from peripheral blood was used for cDNA synthesis for RT-PCR. Then, using specific oligonucleotides and conditions, they amplified and sequenced ITGA2B and ITGB3 by Sanger sequencing. Every mutation found in cDNA was confirmed in DNA samples.

Gene: ITGA2B

Variant: NM_000419.3:c.2473_2481delinsTCACCTGGTC and NM_000419.3:c.641T>C (p.Leu214Pro)

LegacyVariant: p.Leu183Pro

ClinVar: (p.Leu214Pro is 2901)

CAiD: CA915940289 and CA115848

gnomAD: N/A

Table 3 Molecular Diagnosis of Patients with Glanzmann Thrombasthenia:

Case3: GT-3, age, gender, ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia type II

FamilyInfo: Segregation analysis confirmed in presence of heterozygous mutations in this proband.

ParentalGenotype: Although segregation analysis confirmed, we do not know which variant in particular came from mom or dad.

CasePresentingHPOs: N/A

CaseHPOFreeText: Patients presented with a variable bleeding diathesis; most patients had epistaxis (54%), cutaneous bleeding (58%), and menorrhagia (100% of women) while other common symptoms (oral cavity, GI, following dental extraction of mild injuries, postpartum, or hematomas) were in general milder. There is no specific phenotypes attached to probands in this paper.

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed that αIIbβ3 expression was between 5% and 20%.

PlateletAggregation: There was severely impaired aggregation in response to all physiological agonists, and ristocetin induced platelet agglutination was normal or reduced to some extent.

CasePreviousTesting: Total RNA from peripheral blood was used for cDNA synthesis for RT-PCR. Then, using specific oligonucleotides and conditions, they amplified and sequenced ITGA2B and ITGB3 by Sanger sequencing. Every mutation found in cDNA was confirmed in DNA samples.

Gene: ITGA2B

Variant: NM_000419.3:c.2113T>C (p.Arg705Cys)

LegacyVariant: (p.Cys674Arg)

ClinVar: N/A

CAiD: CA8602816

gnomAD: MAF in European non-Finnish population is 0.000008792

Case7: No assertion made on age, gender or ethnicity

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: The identified variants were heterozygote in parents.

CasePresentingHPOs: HP:0005542, HP:0000132, HP:0000421, HP:0000978

(Prolonged clotting, menorrhagia, epistaxis, easy bruising)

CaseHPOFreeText: Bleeding time greater than 20 minutes

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

CasePreviousTesting: Genetic study of patient was conducted using direct sequencing of entire coding and exon-intron boundaries of the ITGA2B and ITGB3 genes.

Gene: ITGA2B

Variant: NM_000419.3:c.1899del (p.Cys633TrpfsTer17)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940223

gnomAD: N/A

Case12: No assertion made on age, gender or ethnicity

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: The identified variants were heterozygote in parents.

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

CasePreviousTesting: Genetic study of patient was conducted using direct sequencing of entire coding and exon-intron boundaries of the ITGA2B and ITGB3 genes.

Gene: ITGA2B

Variant: NM_000419.3:c.1555C>T (p.Gln519Ter)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399802559

gnomAD: N/A

Case9: No assertion made on age, gender or ethnicity

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Table 1 mentions family history available for this proband.

ParentalGenotype: The identified variants were heterozygote in parents.

CasePresentingHPOs: HP:0030402, HP:0005542

(Abnormal platelet aggregation, prolonged clotting time)

CaseHPOFreeText: Bleeding time greater than 20 minutes and hematocrit of 38.1%.

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

CasePreviousTesting: Genetic study of patient was conducted using direct sequencing of entire coding and exon-intron boundaries of the ITGA2B and ITGB3 genes.

Gene: ITGA2B

Variant: NM_000419.3:c.286T>A (p.Cys96Ser)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8603504

gnomAD: N/A

Supplementary Table S1:

Case18: GT21, French, gender and age are not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGA2B

Variant: NM_000419.3:c.1440-13_1440-1del (p.Arg480Serfs106) and NM_000419.3:c.2864T>A

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA913184940 and CA399791171

gnomAD: N/A

Supplementary Table S1:

Case29: GT34, USA, gender and age not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGA2B

Variant: NM_000419.3:c.1553T>A (p.Ile518Asn) and NM_000419.3:c.1946+3G>T

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8603038 and CA626121071

gnomAD: MAF in the European (non-Finnish) population is 0.000008790 https://gnomad.broadinstitute.org/variant/17-42457661-A-T and MAF in the African population for NM_000419.3:c.1946+3G>T is 0.000 https://gnomad.broadinstitute.org/variant/17-42456008-C-A

Supplementary Table S1:

Case21: GT24, French Gypsy, gender and age not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGA2B

Variant: NM_000419.3:c.1544+1G>A (p.Val513Leufs*71)

LegacyVariant: N/A

ClinVar: 2895

CAiD: CA10575473

gnomAD: N/A

Supplementary Table S1:

Case59: GT69, French, age and gender are not specified here

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGA2B

Variant: NM_000419.3:c.1878G>C (p.Gln626His/ p.Asp585_Gln626del)

LegacyVariant: N/A

ClinVar: 2903

CAiD: CA115852

gnomAD: N/A

Supplementary Table S1:

Case14: GT15, French, gender and age are not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGA2B

Variant: NM_000419.3:c.2095-19T>A and NM_000419.3:c.2770C>T

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940312 and CA399792054

gnomAD: N/A

Supplementary Table S1:

Case35: GT41a, Canadian/Chinese, gender and age not specified here

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGA2B

Variant: NM_000419.3:c.91del (p.Ala31ProfsTer2) and NM_000419.3:c.2915dup (p.Leu973AlafsTer63)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA913203486 and CA8602531

gnomAD: MAF in the East Asian population is 0.0001088 https://gnomad.broadinstitute.org/variant/17-42452054-C-CG for the variant (p.Leu973Alafs*63)

Supplementary Table S1:

Case31: GT36a, Spain, gender and age not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGA2B

Variant: NM_000419.3:c.131G>T (p.Gly44Val) and NM_000419.3:c.1440-13_1440-1del

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399806881 and CA913184940

gnomAD: N/A

Supplementary Table S1:

Case17: GT20, French, gender and age not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGA2B

Variant: M_000419.3:c.2800G>T (p.Val934Phe)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA290946484

gnomAD: N/A

Supplementary Table S1:

Case39: GT45, French, age and gender not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGA2B

Variant: NM_000419.3:c.551_626del (p.Arg184_Gln208del) and the other variant is noted as "LR deletion" and that is all the information we are given so I will note it as an Unknown Variant

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940373

gnomAD: N/A

Case6: (GT-07) Male, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Probands 1-9 are related to GT-07 see Table 1

ParentalGenotype: Parents may be included in Table 1; however, not specified so no information

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Mild (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 not observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGA2B

Variant: NM_000419.3:c.1210+5G>A

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940251

gnomAD: N/A

Case2: (GT-02) Male, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Probands 1-9 are related to GT-02 see Table 1

ParentalGenotype: Parents may be included in Table 1; however, not specified so no information

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: N/A for proband 2 (See Supplemental Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 not observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGA2B

Variant: NM_000419.3:c.1210+5G>A

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940251

gnomAD: N/A

Case33: (GT-43) Male, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Proband GT43-GT44 are related

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Severe (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 were observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGA2B

Variant: NM_000419.3:c.1620G>C (p.Gln540His) and NM_000419.3:c.1616T>G (p.Leu539Arg)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399802407 and CA399802416

gnomAD: N/A

Case50: (GT-62) Female, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Severe (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 were observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGA2B and ITGB3

Variant: NM_000419.3:c.985G>T (p.Val329Phe) and NM_000212.2:c.1265G>A (p.Ser422Asn)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399804719 (p.Val329Phe) and CA291225740 (p.Ser422Asn)

gnomAD: N/A

Case45: (GT-56) Female, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Moderate (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 were observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGA2B

Variant: NM_000419.3:c.985G>T (p.Val329Phe)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399804719

gnomAD: N/A

Case36: (GT-46) Female, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Proband GT45-GT48 are related

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Information not available (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 were observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGA2B

Variant: NM_000419.3:c.1879-2A>G

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA290949031

gnomAD: N/A

Case18: (M10) Female, 37, French Gypsy

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Mucocutaneous bleeding

CaseNotHPOs: N/A

ProteinExpression: Failed to express alphaIIbbeta3 on the surface of their platelets

Platelet Aggregation: Absent platelet aggregation to all agonists (no mention for which agonists or response to ristocetin)

CasePreviousTesting: All the information we are given is "mutation screening of the ITGA2B and ITGB3 genes" the method for sequencing etc. was not stated

Gene: ITGA2B

Variant: NM_000419.3:c.1544+1G>A

LegacyVariant: N/A

ClinVar: 2895

CAiD: CA10575473

gnomAD N/A

Case17: (M9) Female, 69 years old, French Gypsy

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Mucocutaneous bleeding

CaseNotHPOs: N/A

ProteinExpression: Failed to express alphaIIbbeta3 on the surface of their platelets

Platelet Aggregation: Absent platelet aggregation to all agonists (no mention for which agonists or response to ristocetin)

CasePreviousTesting: All the information we are given is "mutation screening of the ITGA2B and ITGB3 genes" the method for sequencing etc. was not stated

Gene: ITGA2B

Variant: NM_000419.3:c.1544+1G>A

LegacyVariant: N/A

ClinVar: 2895

CAiD: CA10575473

gnomAD N/A

Case9: (M1) Male, 9 years old, French Gypsy

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Mucocutaneous bleeding

CaseNotHPOs: N/A

ProteinExpression: Failed to express alphaIIbbeta3 on the surface of their platelets

Platelet Aggregation: Absent platelet aggregation to all agonists (no mention for which agonists or response to ristocetin)

CasePreviousTesting: All the information we are given is "mutation screening of the ITGA2B and ITGB3 genes" the method for sequencing etc. was not stated

Gene: ITGA2B

Variant: NM_000419.3:c.1544+1G>A

LegacyVariant: N/A

ClinVar: 2895

CAiD: CA10575473

gnomAD N/A

Supplementary Table S1 & S2 Proband and Variant Information:

Case56: GT57, Female, 10, Argentinian/European

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0000967

(Epistaxis, petechia)

CaseHPOFreeText: Hematomas

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed <5% expression of αIIbβ3 (See Supplementary Table 1)

PlateletAggregation: Absent platelet aggregation (See Supplementary Table 1)

CasePreviousTesting: Sanger sequencing of ITGA2B and ITGB3

Gene: ITGA2B

Variant: NM_000419.3:c.571T>G (p.Phe191Val) and NM_000419.3:c.961G>T (p.Phe191Alafs*32)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399805699 and CA399804768

gnomAD: N/A

Supplementary Table S1 & S2 Proband and Variant Information:

Case62: GT65, Female, 31 years old, French

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0000225, HP:0000132, HP:0000790, HP:0002239, HP:0006298

(Epistaxis, gingival bleeding, menorrhagia, hematuria, GI bleeding, bleeding after dental procedure)

CaseHPOFreeText: Tonsil bleeding, muscle hematomas

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed <5% expression of αIIbβ3 (See Supplementary Table 1)

PlateletAggregation: Absent platelet aggregation (See Supplementary Table 1)

CasePreviousTesting: Sanger sequencing of ITGA2B and ITGB3

Gene: ITGA2B

Variant: NM_000419.3:c.574+1G>A and NM_000419.3:c.1946+3G>T

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399805691 and CA626121071

gnomAD: MAF in the European (non-Finnish) population is 0.00001235 https://gnomad.broadinstitute.org/variant/17-42462918-C-T and MAF in the African population is 0.000 https://gnomad.broadinstitute.org/variant/17-42456008-C-A

Supplementary Table S1 & S2 Proband and Variant Information:

Case13: GT14, Female, 10, French

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000979 and HP:0006298

(Purpura, prolonged bleeding after dental extraction)

CaseHPOFreeText: Moderate cutaneous bleeding from birth

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed <5% variant expression of αIIbβ3 (See Supplementary Table 1)

PlateletAggregation: Absent platelet aggregation (See Supplementary Table 1)

CasePreviousTesting: Sanger sequencing of ITGA2B and ITGB3

Gene: ITGA2B

Variant: NM_000419.3:c.423G>T (p.Trp141Cys) and NM_000419.3:c.2902del (p.Tyr968Metfs*163)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399806022 and CA915940332

gnomAD: N/A

Supplementary Table S1 & S2 Proband and Variant Information:

Case65: GT68, Male, 62 years old, French

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Occasional spontaneous bleeding and frequency decreased with age

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed <5% expression of αIIbβ3 (See Supplementary Table 1)

PlateletAggregation: Absent platelet aggregation (See Supplementary Table 1)

CasePreviousTesting: Sanger sequencing of ITGA2B and ITGB3

Gene: ITGA2B

Variant: NM_000419.3:c.1413C>G (p.Tyr471Ter) and "LR deletion" which is the only specification we are given

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA290950376

gnomAD: MAF in the European (non-Finnish) population is 0.000008791 https://gnomad.broadinstitute.org/variant/17-42457994-G-C

Supplementary Table S1 & S2 Proband and Variant Information:

Case22: GT25, Male, 81, French

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0002239

Gastrointestinal bleeding

CaseHPOFreeText: Life-long bleeding disorder

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed <5% expression of αIIbβ3 (See Supplementary Table 1)

PlateletAggregation: Absent platelet aggregation (See Supplementary Table 1)

CasePreviousTesting: Sanger sequencing of ITGA2B and ITGB3

Gene: ITGA2B

Variant: NM_000419.3:c.1413C>G (p.Tyr471Ter) and NM_000419.3:c.1882C>T (p.Arg628Ter)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA290950376 and CA399801310

gnomAD: MAF in the European (non-Finnish) population 0.000008791 http://gnomad.broadinstitute.org/variant/17-42457994-G-C and MAF in Latino population is 0.00003983 http://gnomad.broadinstitute.org/variant/17-42456075-G-A

Case13: Female, 9 years old, Indian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0002248, HP:0000421, HP:0031364 (Haematemesis, epistaxis, ecchymosis)

CaseHPOFreeText:

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Diagnosis of GT was made on the basis of quantitive determination of receptor count by flow cytometric analysis of GPIIb-IIIa

PlateletAggregation: Diagnosis of GT was made on the basis of impaired platelet aggregation (platelet aggregation was tested against ristocetin, ADP, collagen, epinephrine and arachidonic acid)

CasePreviousTesting: Multiplex PCR by using GPIIb primers and CSGE analysis were performed

Gene: ITGA2B

Variant: NM_000419.3:c.2674del

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940582

gnomAD: N/A

Case12: Male, 3 years old, Indian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Sibling is proband number 11 in this article

ParentalGenotype: N/A

CasePresentingHPOs: HP:0002249, HP:0000421 (Melena, epistaxis)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Diagnosis of GT was made on the basis of quantitive determination of receptor count by flow cytometric analysis of GPIIb-IIIa

PlateletAggregation: Diagnosis of GT was made on the basis of impaired platelet aggregation (platelet aggregation was tested against ristocetin, ADP, collagen, epinephrine and arachidonic acid)

CasePreviousTesting: Multiplex PCR by using GPIIb primers and CSGE analysis were performed

Gene: ITGA2B

Variant: NM_000419.3:c.1600+1G>A

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399802454

gnomAD: N/A

Case9: Female, 5 years old, Indian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421 (Epistaxis)

CaseHPOFreeText: Hematomas at the site of injury

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: HP:0000421

PlateletAggregation: Diagnosis of GT was made on the basis of impaired platelet aggregation (platelet aggregation was tested against ristocetin, ADP, collagen, epinephrine and arachidonic acid)

CasePreviousTesting: Multiplex PCR by using GPIIb primers and CSGE analysis were performed

Gene: ITGA2B

Variant: NM_000419.3:c.1230del

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940214

gnomAD: N/A

Case8: Female, 3 years old, Indian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0000225, HP:0031364 (Epistaxis, gingival bleeding, ecchymosis)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Diagnosis of GT was made on the basis of quantitive determination of receptor count by flow cytometric analysis of GPIIb-IIIa

PlateletAggregation: Diagnosis of GT was made on the basis of impaired platelet aggregation (platelet aggregation was tested against ristocetin, ADP, collagen, epinephrine and arachidonic acid)

CasePreviousTesting: Multiplex PCR by using GPIIb primers and CSGE analysis were performed

Gene: ITGA2B

Variant: NM_000419.3:c.1073del

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940580

gnomAD: N/A

Case7: Male, 1.5 years old, Indian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0031364, HP:0000421 (Ecchymosis, epistaxis)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Diagnosis of GT was made on the basis of quantitive determination of receptor count by flow cytometric analysis of GPIIb-IIIa

PlateletAggregation: Diagnosis of GT was made on the basis of impaired platelet aggregation (platelet aggregation was tested against ristocetin, ADP, collagen, epinephrine and arachidonic acid)

CasePreviousTesting: Multiplex PCR by using GPIIb primers and CSGE analysis were performed

Gene: ITGA2B

Variant: NM_000419.3:c.2315C>G (p.Pro772Arg)

LegacyVariant: (p.Pro741Arg)

ClinVar: N/A

CAiD: CA8602740

gnomAD: MAF in the South Asian population is 0.0002613 https://gnomad.broadinstitute.org/variant/17-42453709-G-C

Case6: Female, 7 years old, Indian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000225 (Gingival bleeding)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Diagnosis of GT was made on the basis of quantitive determination of receptor count by flow cytometric analysis of GPIIb-IIIa

PlateletAggregation: Diagnosis of GT was made on the basis of impaired platelet aggregation (platelet aggregation was tested against ristocetin, ADP, collagen, epinephrine and arachidonic acid)

CasePreviousTesting: Multiplex PCR by using GPIIb primers and CSGE analysis were performed

Gene: ITGA2B

Variant: NM_000419.3:c.1374C>G (p.Ile458Met)

LegacyVariant: (p.Ile427Met)

ClinVar: N/A

CAiD: CA8603157

gnomAD: MAF in the South Asian population is 0.003658 https://gnomad.broadinstitute.org/variant/17-42458266-G-C

Case5: Female, 3 years old, Indian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0000225

(Epistaxis, gingival bleeding)

CaseHPOFreeText: Severe epistaxis and mild gum bleeding

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Diagnosis of GT was made on the basis of quantitive determination of receptor count by flow cytometric analysis of GPIIb-IIIa

PlateletAggregation: Diagnosis of GT was made on the basis of impaired platelet aggregation (platelet aggregation was tested against ristocetin, ADP, collagen, epinephrine and arachidonic acid)

CasePreviousTesting: Multiplex PCR by using GPIIb primers and CSGE analysis were performed

Gene: ITGA2B

Variant: NM_000419.3:c.859G>C (p.Gly287Arg)

LegacyVariant: (p.Gly256Arg)

ClinVar: N/A

CAiD: CA399805008

gnomAD: N/A

Case4: Female, 18 years old, Indian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000225, HP:0000132

(Gingival bleeding, menorrhagia)

CaseHPOFreeText: Menorrhagia only during puberty

CaseNotHPOs: N/A

CaseNotHPOFreeText:N/A

ProteinExpression: Diagnosis of GT was made on the basis of quantitive determination of receptor count by flow cytometric analysis of GPIIb-IIIa

PlateletAggregation: Diagnosis of GT was made on the basis of impaired platelet aggregation (platelet aggregation was tested against ristocetin, ADP, collagen, epinephrine and arachidonic acid)

CasePreviousTesting: Multiplex PCR by using GPIIb primers and CSGE analysis were performed

Gene: ITGA2B

Variant: NM_000419.3:c.2264G>C (p.Arg755Pro)

LegacyVariant: (p.Arg724Pro)

ClinVar: N/A

CAiD: CA8602772

gnomAD: MAF in the European (non-Finnish) population is 0.00001060 https://gnomad.broadinstitute.org/variant/17-42454380-C-G

Case3: Male, 40 years old, Indian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0002239, HP:0002248

(Epistaxis, GI bleeding, hematemesis)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Diagnosis of GT was made on the basis of quantitive determination of receptor count by flow cytometric analysis of GPIIb-IIIa

PlateletAggregation: Diagnosis of GT was made on the basis of impaired platelet aggregation (platelet aggregation was tested against ristocetin, ADP, collagen, epinephrine and arachidonic acid)

CasePreviousTesting: Multiplex PCR by using GPIIb primers and CSGE analysis were performed

Gene: ITGA2B

Variant: NM_000419.3:c.310+1G>A (IVS2(+1)G>A)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8603502

gnomAD: MAF in the European (non-Finnish) population is 0.00001771 https://gnomad.broadinstitute.org/variant/17-42463377-C-T

Case2: Male, 3 years old, Indian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0030137 (Prolonged bleeding following circumcision)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Diagnosis of GT was made on the basis of quantitive determination of receptor count by flow cytometric analysis of GPIIb-IIIa

PlateletAggregation: Diagnosis of GT was made on the basis of impaired platelet aggregation (platelet aggregation was tested against ristocetin, ADP, collagen, epinephrine and arachidonic acid)

CasePreviousTesting: Multiplex PCR by using GPIIb primers and CSGE analysis were performed

Gene: ITGA2B

Variant: NM_000419.3:c.1652G>A (p.Arg551Gln)

LegacyVariant: (p.Arg520Gln)

ClinVar: N/A

CAiD: CA8602986

gnomAD: MAF in the South Asian population is 0.00006536 https://gnomad.broadinstitute.org/variant/17-42457470-C-T

Case10: Female, 7 years old, Indian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0000790 (Epistaxis, hematuria)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Diagnosis of GT was made on the basis of quantitive determination of receptor count by flow cytometric analysis of GPIIb-IIIa

PlateletAggregation: Diagnosis of GT was made on the basis of impaired platelet aggregation (platelet aggregation was tested against ristocetin, ADP, collagen, epinephrine and arachidonic acid)

CasePreviousTesting: Multiplex PCR by using GPIIb primers and CSGE analysis were performed

Gene: ITGA2B

Variant: NM_000419.3:c.2415del

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940581

gnomAD: N/A

Case3: Gender or age not specified, Thai ethnicity

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Parental information available in Table 2

ParentalGenotype: Father: p.Arg782Ter/WT and Mother: Unavailable

Note: No parental consanguinity

CasePresentingHPOs: N/A

CaseHPOFreeText: The article does not mention specific bleeding phenotypes for each of the 4 probands in the article, rather, there is a general statement that says: "The common presentations included recurrent epistaxis, bleeding in oral cavity, and easy-bruising spontaneously or after trauma"

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinEpression: General statement from the article that states that flow cytometry to assess the surface GPIIb/IIIa complex showed reduced expression for all probands.

PlateletAggregation: The platelet aggregation test was typically defective with all physiological agonists except ristocetin, for all patients.

CasePreviousTesting: Whole exome sequencing was performed on the 30 exons of ITGA2B and 15 exons in ITGB3. PCR and direct sequencing were then performed in the DNA samples of the patients and their available parents to verify the presence of the identified mutations.

Gene: ITGA2B

Variant: NM_000419.3:c.2344C>T (p.Arg782Ter) and NM_000419.3:c.2915dup (p.Leu973Alafs*63)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399796586 (p.Arg782Ter) and CA8602531 (p.Leu973Alafs*63)

gnomAD: MAF for (p.Leu973Alafs*63) in East Asian population 0.0001088 http://gnomad.broadinstitute.org/variant/17-42452054-C-CG

Case2: Gender or age not specified, Thai ethnicity

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Parental information available in Table 2

ParentalGenotype: Father: p.Val206Asp/WT and Mother: also p.Val206Asp/WT (See Table 2)

Note: Yes to parental consanguinity

CasePresentingHPOs: N/A

CaseHPOFreeText: The article does not mention specific bleeding phenotypes for each of the 4 probands in the article, rather, there is a general statement that says: "The common presentations included recurrent epistaxis, bleeding in oral cavity, and easy-bruising spontaneously or after trauma"

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinEpression: General statement from the article that states that flow cytometry to assess the surface GPIIb/IIIa complex showed reduced expression for all probands.

PlateletAggregation: The platelet aggregation test was typically defective with all physiological agonists except ristocetin, for all patients.

CasePreviousTesting: Whole exome sequencing was performed on the 30 exons of ITGA2B and 15 exons in ITGB3. PCR and direct sequencing were then performed in the DNA samples of the patients and their available parents to verify the presence of the identified mutations.

Gene: ITGA2B

Variant: NM_000419.3:c.617T>A (p.Val206Asp)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399805578

gnomAD: N/A

Case12: Patient CW (can be found in GT database) gender and age are not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0031364, HP:0000979, HP:0000967, (Ecchymosis, Purpura/petechiae)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: <1% of normal GPIIIa and GPIIb surface expression

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGA2B

Variant: NM_000419.3:c.1750C>T (p.Arg584Ter) and NM_000419.3:c.480C>G (p.Ser160_102del)

LegacyVariant: N/A

ClinVar: 2892 (Arg584Ter)

CAiD: CA115834 and CA399805892

gnomAD: MAF in the East Asian population is 0.0002176 for the Arg584Ter variant and MAF in the East Asian population is 0.00005507 for the other variant https://gnomad.broadinstitute.org/variant/17-42463013-G-C

PreviouslyPublished: Reference number 23 in this article

Case2: Arab Patient (found in the GT database) gender and age are not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0000225, HP:0002239, HP:0000132, HP:0000967, HP:0000979, HP:0006298

(Epistaxis, gingival bleeding, GI bleeding, menorrhagia, petechiae/purpura, prolonged , bleeding after tooth extraction)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: <2% of normal GPIIIa and GPIIb surface expression

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGA2B

Variant: IVS(-3)-418del (May be registered; however, need to consult senior biocurator)

LegacyVariant: ^

ClinVar: ^

CAiD: ^

gnomAD: ^

PreviouslyPublished: References 8-12

Case19: Patient NR (found in the GT database as well) gender and age are not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: Menorrhagia HP:0000132

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A Undetectable

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGA2B

Variant: NM_000419.3:c.2941C>T

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399790399

gnomAD: N/A

PreviouslyPublished: Reference numbers 32,22 in this article

Case17: Patient MO (patient found in the GT database as well) gender and age are not specified here

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000978, HP:0000132 (Bruising, menorrhagia)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGA2B

Variant: NM_000419.3:c.1750C>T (p.Arg584Ter)

LegacyVariant: N/A

ClinVar: 2892

CAiD: CA115834

gnomAD: MAF in the East Asian population is 0.0002176 https://gnomad.broadinstitute.org/variant/17-42457372-G-A

PreviouslyPublished: Reference numbers 29 and 30 in this article

Case10: Patient LeM (found in the GT database) gender and age are not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000979, HP:0000967 (Purpura/petechiae)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: <5% of normal expression

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGA2B

Variant: NM_000419.3:c.1366_1371del

LegacyVariant: N/A

ClinVar: 2898

CAiD: CA8603160

gnomAD: MAF in the European (non-Finnish) population is 0.000008791 https://gnomad.broadinstitute.org/variant/17-42458268-TGTCTAC-T

PreviouslyPublished: Reference number 21 in this article

Case20: Patient CG (Found in GT database) also gender and age are not specified for this patient

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: Gingival bleeding and menorrhagia HP:0000225, HP:0000132

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: About 5% of normal GPIIIa and GPIIb surface expression

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGA2B

Variant: NM_000419.3:c.1787T>C and M_000419.3:c.3060+2T>C

LegacyVariant: N/A

ClinVar: 2900

CAiD: CA115846 and CA290944108

gnomAD: MAF in the European (non-Finnish) population is 0.0001325 https://gnomad.broadinstitute.org/variant/17-42457148-A-G and MAF in the European (non-Finnish) population is 0.00003876 https://gnomad.broadinstitute.org/variant/17-42451720-A-G

PreviouslyPublished: References 34 and 35 in this article

Case4: Patient LW (found in GT database)

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000978, HP:0000421, HP:0006298

(Bruising, Epistaxis, Prolonged bleeding after tooth extraction)

CaseHPOFreeText: Blood transfusions were needed

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: 12% of normal GPIIIa and GPIIb surface expression

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGA2B

Variant: NM_000419.3:c.641T>C (p.Lue214Pro)

LegacyVariant: (p.Leu183Pro)

ClinVar: 2901

CAiD: CA115848

gnomAD: N/A

PreviouslyPublished: References 14 and 15

Case10: Patient ID J, Female, 5 years old, ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Related to Patient's I and K (See Table 1)

ParentalGenotype: N/A (Parents are consangenous)

CasePresentingHPOs: HP:0000978, HP:0004406, HP:0000225, HP:0002239

(Easy bruising, recurrent epistaxis, gingival bleeding, GI bleeding

CaseHPOFreeText: Hemorrhage after trauma, hematoma

CaseNotHPOs: HP:0000967, HP:0000979, HP:0002239, HP:0000790, HP:0005261, HP:0002248

(Petechiae, purpura, intracranial hemorrhage, hematuria, hemarthrosis, hematemesis)

CaseNotHPOsFreeText: Hemorrhage after dental, ear bleeding

ProteinExpression: N/A

PlateletAggregation: Defective response to ADP, adrenaline, collagen, arachidonic acid, and normal response to ristocetin

CasePreviousTesting: Exon PCR was used to amplify coding regions of the ITGA2B and ITGB3 genes. PCR products were purified and Sanger sequenced. Segregation using parental samples was undertaken when available.

Gene: ITGA2B

Variant: NM_000419.3:c.1652G>A

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8602986

gnomAD: MAF in South Asian population is 0.00006536 http://gnomad.broadinstitute.org/variant/17-42457470-C-T

PreviouslyPublished: PMID: 19172520

Case9: Patient ID I, Female, 3 years old, ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Related to Patient's J and K (See Table 1)

ParentalGenotype: N/A (Parents are consangenous)

CasePresentingHPOs: HP:0000967, HP:0000979, HP:0000978, HP:0004406

(Petechiae, purpura, easy bruising, recurrent epistaxis)

CaseHPOFreeText: N/A

CaseNotHPOs: HP:0000225, HP:0002239, HP:0002239, HP:0000790, HP:0005261, HP:0002248

(Gingival bleeding, GI bleeding, intracranial hemorrhage, hematuria, hemarthrosis, hematemesis)

CaseNotHPOsFreeText: Hemorrhage after dnetal, hemorrhage after trauma, ear bleeding, hematoma

ProteinExpression: N/A

PlateletAggregation: Defective response to ADP, adrenaline, collagen, arachidonic acid, and normal response to ristocetin

CasePreviousTesting: Exon PCR was used to amplify coding regions of the ITGA2B and ITGB3 genes. PCR products were purified and Sanger sequenced. Segregation using parental samples was undertaken when available.

Gene: ITGA2B

Variant: NM_000419.3:c.1652G>A

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8602986

gnomAD: MAF in South Asian population is 0.00006536 http://gnomad.broadinstitute.org/variant/17-42457470-C-T

PreviouslyPublished: PMID: 19172520

Case3: Female, 32 years old, Japanese

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A per Table 1

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Prolonged ivy bleeding times, bleeding diathesis since early childhood

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Surface expression of αIIbβ3 was analyzed by flow cytometry which was 10-20% of normal

PlateletAggregation: Aggregation in response to ADP, epinephrine and collagen was absent but normal in response to ristocetin

CasePreviousTesting: Nucleotide sequences of the αIIb and β3 coding regions were determined by direct sequencing of RT-PCR products from platelet RNA.

Gene: ITGA2B

Variant: NM_000419.3:c.2333A>C (p.Gln778Pro)

LegacyVariant: (p.Gln747Pro)

ClinVar: 225393

CAiD: CA290947544

gnomAD: MAF in the East Asian population is 0.0001087 https://gnomad.broadinstitute.org/variant/17-42453691-T-G

Case2: Female, 67 years old, Japanese

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A per Table 1

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Prolonged ivy bleeding times, bleeding diathesis since early childhood

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Surface expression of αIIbβ3 was analyzed by flow cytometry which was < 5% of normal

PlateletAggregation: Aggregation in response to ADP, epinephrine and collagen was absent but normal in response to ristocetin

CasePreviousTesting: Nucleotide sequences of the αIIb and β3 coding regions were determined by direct sequencing of RT-PCR products from platelet RNA.

Gene: ITGA2B

Variant: NM_000419.3:c.1063G>A (p.Glu355Lys)

LegacyVariant: (p.Glu324Lys)

ClinVar: 2899

CAiD: CA115844

gnomAD: MAF in the European (non-Finnish) population is 0.00001978 https://gnomad.broadinstitute.org/variant/17-42461008-C-T

Case1: Female, 25 years old, Japanese

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A per Table 1

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Prolonged ivy bleeding times, bleeding diathesis since early childhood

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Surface expression of αIIbβ3 was analyzed by flow cytometry which was < 5% of normal

PlateletAggregation: Aggregation in response to ADP, epinephrine and collagen was absent but normal in response to ristocetin

CasePreviousTesting: Nucleotide sequences of the αIIb and β3 coding regions were determined by direct sequencing of RT-PCR products from platelet RNA.

Gene: ITGA2B

Variant: NM_000419.3:c.959T>C (p.Phe320Ser)

LegacyVariant: (p.Phe289Ser)

ClinVar: N/A

CAiD: CA399804774

gnomAD: N/A

Case1: Male, 8 years old, ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Sister had no bleeding tendency (all the information given in the previously published article cited in this annotation)

ParentalGenotype: Parental mutations shown in Fig. 3 A and B

CasePresentingHPOs: HP:0000421

(Epistaxis)

CaseHPOFreeText: Tonsilar bleeding

CaseNotHPOs: HP:0000979

(Purpura)

CaseNotHPOFreeText: N/A

ProteinExpression: Western blotting indicated that the proband's platelets contained no normal GPIIb, but showed a trace amount of an abnormal GPIIb (-6% with respect to the GPIIb level in a normal individual).

PlateletAggregation: Decreased aggregation in response to ADP, collagen and epinephrine but a normal ristocetin-induced aggregation (this information was obtained from the previously published article cited at in this annotation)

CasePreviousTesting: Genomic DNA fragments containing exons of the GPIIb gene were amplified by PCR

Gene: ITGA2B

Variant: NM_000419.3:c.1750C>T (p.Arg584Ter) and NM_000419.3:c.2602-3C>G

LegacyVariant: N/A

ClinVar: 2892 and 2893

CAiD: CA115834 and CA10575472

gnomAD: MAF in the East Asian population is 0.0002176 https://gnomad.broadinstitute.org/variant/17-42457372-G-A and MAF in the East Asian population is 0.00006523 https://gnomad.broadinstitute.org/variant/17-42453087-G-C

PreviouslyPublished: PMID: 1891767

Case9: (GT58), Gender, age and ethnicity not reported

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Inclusion criteria were patients with a history of mucocutaneous bleeding (Figure 1 shows a bar diagram of all the clinical manifestations in the patient cohort in this article)

CaseNotHPOs: N/A

ProteinExpression: Platelet receptor alphaIIbbeta3 protein was analyzed by flow cytometry followed by western blotting

Platelet Aggregation: Inclusion criteria for probands was absent or reduced platelet aggregation with agonists such as ADP, adrenaline, arachidonic acid, and collagen (no mention of ristocetin here-- this article does not tell us the specific aggregation for each proband in the paper)

CasePreviousTesting: For mutation analysis of ITGA2B and ITGB3 genes, DNA extraction from whole blood, PCR, heteroduplex PCR followed by CSGE and DNA sequencing were performed. All 30 exons of ITGA2B and 15 exons of ITGB3, as well as their promoters, were analyzed by CSGE following heteroduplex PCR.

Gene: ITGA2B

Variant: NM_000419.3:c.1028T>C (p.Leu343Pro)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399804619 (p.Leu343Pro)

gnomAD N/A

Case4: (GT69), Gender, age and ethnicity not reported

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Inclusion criteria were patients with a history of mucocutaneous bleeding (Figure 1 shows a bar diagram of all the clinical manifestations in the patient cohort in this article)

CaseNotHPOs: N/A

ProteinExpression: Platelet receptor alphaIIbbeta3 protein was analyzed by flow cytometry followed by western blotting

Platelet Aggregation: Inclusion criteria for probands was absent or reduced platelet aggregation with agonists such as ADP, adrenaline, arachidonic acid, and collagen (no mention of ristocetin here-- this article does not tell us the specific aggregation for each proband in the paper)

CasePreviousTesting: For mutation analysis of ITGA2B and ITGB3 genes, DNA extraction from whole blood, PCR, heteroduplex PCR followed by CSGE and DNA sequencing were performed. All 30 exons of ITGA2B and 15 exons of ITGB3, as well as their promoters, were analyzed by CSGE following heteroduplex PCR.

Gene: ITGA2B

Variant: NC_000017.11:g.44393555C>T (g.951G>A promoter variant) and NM_000419.3:c.1028T>C (p.Leu343Pro)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA913189168 (promoter variant) and CA399804619 (p.Leu343Pro)

gnomAD N/A

Case23: (GT67) Gender, age and ethnicity are not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Inclusion criteria were patients with a history of mucocutaneous bleeding (Figure 1 shows a bar diagram of all the clinical manifestations in the patient cohort in this article)

CaseNotHPOs: N/A

ProteinExpression: Platelet receptor alphaIIbbeta3 protein was analyzed by flow cytometry followed by western blotting

Platelet Aggregation: Inclusion criteria for probands was absent or reduced platelet aggregation with agonists such as ADP, adrenaline, arachidonic acid, and collagen (no mention of ristocetin here-- this article does not tell us the specific aggregation for each proband in the paper)

CasePreviousTesting: For mutation analysis of ITGA2B and ITGB3 genes, DNA extraction from whole blood, PCR, heteroduplex PCR followed by CSGE and DNA sequencing were performed. All 30 exons of ITGA2B and 15 exons of ITGB3, as well as their promoters, were analyzed by CSGE following heteroduplex PCR.

Gene:

Variant: NM_000419.3:c.1919_1920del

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940685

gnomAD N/A

Case6: (GT12) Gender, age and ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Inclusion criteria were patients with a history of mucocutaneous bleeding (Figure 1 shows a bar diagram of all the clinical manifestations in the patient cohort in this article)

CaseNotHPOs: N/A

ProteinExpression: Platelet receptor alphaIIbbeta3 protein was analyzed by flow cytometry followed by western blotting

Platelet Aggregation: Inclusion criteria for probands was absent or reduced platelet aggregation with agonists such as ADP, adrenaline, arachidonic acid, and collagen (no mention of ristocetin here-- this article does not tell us the specific aggregation for each proband in the paper)

CasePreviousTesting: For mutation analysis of ITGA2B and ITGB3 genes, DNA extraction from whole blood, PCR, heteroduplex PCR followed by CSGE and DNA sequencing were performed. All 30 exons of ITGA2B and 15 exons of ITGB3, as well as their promoters, were analyzed by CSGE following heteroduplex PCR.

Gene: ITGA2B

Variant: NM_000419.3:c.641T>C (p.Leu214Pro)

LegacyVariant: N/A

ClinVar: 2901

CAiD: CA115848

gnomAD N/A

Case26: (GT20) Gender, age and ethnicity are not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Brother is homozygous for the mutation and the second brother is heterozygous

ParentalGenotype: Mother and father are heterozygous for the mutation

CasePresentingHPOs: N/A

CaseHPOFreeText: Inclusion criteria were patients with a history of mucocutaneous bleeding (Figure 1 shows a bar diagram of all the clinical manifestations in the patient cohort in this article)

CaseNotHPOs: N/A

ProteinExpression: Platelet receptor alphaIIbbeta3 protein was analyzed by flow cytometry followed by western blotting

Platelet Aggregation: Inclusion criteria for probands was absent or reduced platelet aggregation with agonists such as ADP, adrenaline, arachidonic acid, and collagen (no mention of ristocetin here-- this article does not tell us the specific aggregation for each proband in the paper)

CasePreviousTesting: For mutation analysis of ITGA2B and ITGB3 genes, DNA extraction from whole blood, PCR, heteroduplex PCR followed by CSGE and DNA sequencing were performed. All 30 exons of ITGA2B and 15 exons of ITGB3, as well as their promoters, were analyzed by CSGE following heteroduplex PCR.

Gene: ITGA2B

Variant: NM_000419.3:c.1424_1427dup

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8603099

gnomAD MAF in the South Asian population is 0.0001960 https://gnomad.broadinstitute.org/variant/17-42457979-C-CACCT

Case35: (GT14) Gender, age and ethnicity are not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Inclusion criteria were patients with a history of mucocutaneous bleeding (Figure 1 shows a bar diagram of all the clinical manifestations in the patient cohort in this article)

CaseNotHPOs: N/A