CasePD/Pathogenic-8: 2 weeks diagnosis

HPOsFreeText: GAA activity 5.0 (nmol · h−1 · mg−1), Mean percentage of normal 7.0%

GenotypingMethod: Newborn Screening Panels

Variant1: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

Variant2: NM_000152.4:c.2065G>A (p.Glu689Lys)

ClinVar: 4030 https://www.ncbi.nlm.nih.gov/clinvar/variation/4030/

gnomAD: East Asian 0.2355, Overall 0.05524 http://gnomad.broadinstitute.org/variant/17-78087041-G-A

Variant3: NM_000152.4:c.692+5G>T

ClinVar: 526532 https://www.ncbi.nlm.nih.gov/clinvar/variation/526532/

gnomAD: European (Non-Finnish) 9.003e-6, Overall 4.181e-6 http://gnomad.broadinstitute.org/variant/17-78079698-G-T

CaseAddInfo: Patient has one pseudodeficency allele and one pathogenic allele, Nomenclature claims Variant 1 and 2 are in cis

CaseLOPD-8: 6 weeks diagnosis

HPOsFreeText: GAA activity 2.9 (nmol · h−1 · mg−1), Mean percentage of normal 4.1%

GenotypingMethod: Newborn Screening Panels

Variant1: NM_000152.4:c.2051C>T (p.Pro684Leu)

ClinVar: 285821 https://www.ncbi.nlm.nih.gov/clinvar/variation/285821/

gnomAD: European (Non-Finnish) 1.631e-4, Overall 8.195e-5 http://gnomad.broadinstitute.org/variant/17-78087027-C-T

Variant2: NM_000152.3:c.2065G>A (p.Glu689Lys)

ClinVar: 4030 https://www.ncbi.nlm.nih.gov/clinvar/variation/4030/

gnomAD: East Asian 0.2355, Overall 0.05524 http://gnomad.broadinstitute.org/variant/17-78087041-G-A

Multiple interpretations of p.W746C possible, below is considered the most likely

Variant3: NM_000152.4:c.2238G>C (p.Trp746Cys)

ClinVar: 265160 https://www.ncbi.nlm.nih.gov/clinvar/variation/265160/

gnomAD: European (Non-Finnish) 5.673e-4, Overall 3.083e-4 http://gnomad.broadinstitute.org/variant/17-78090815-G-C

CaseAddInfo: Late Onset Pompe Disease, Nomenclature claims Variant 2 and 3 are in cis

CaseLOPD-17: 6 weeks diagnosis

HPOsFreeText: GAA activity 6.5 (nmol · h−1 · mg−1), Mean percentage of normal 9.2%

GenotypingMethod: Newborn Screening Panels

Variant1: NM_000152.4:c.-32-13T>G

ClinVar: 4027 http://www.ncbi.nlm.nih.gov/clinvar/variation/4027

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 http://gnomad.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4:c.1552-3C>G

ClinVar: 419722 https://www.ncbi.nlm.nih.gov/clinvar/variation/419722/

gnomAD: European (Non-Finnish) 2.713e-4, Overall 1.344e-4 http://gnomad.broadinstitute.org/variant/17-78084737-C-G

CaseAddInfo: Late Onset Pompe Disease

CasePD/Pathogenic-2: 3 weeks diagnosis

HPOsFreeText: GAA activity 8.8 (nmol · h−1 · mg−1), Mean percentage of normal 12.4%

GenotypingMethod: Newborn Screening Panels

Variant1: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

Variant2: NM_000152.4:c.2065G>A (p.Glu689Lys)

ClinVar: 4030 https://www.ncbi.nlm.nih.gov/clinvar/variation/4030/

gnomAD: East Asian 0.2355, Overall 0.05524 http://gnomad.broadinstitute.org/variant/17-78087041-G-A

Variant3: NM_000152.4:c.2646+2T>A

ClinVar: 188924 https://www.ncbi.nlm.nih.gov/clinvar/variation/188924/

gnomAD: Not in gnomAD

CaseAddInfo: Patient has one pseudodeficency allele and one pathogenic allele, Nomenclature claims Variant 1 and 2 are in cis

CaseLOPD-19: 2 weeks diagnosis

HPOsFreeText: GAA activity 2.7 (nmol · h−1 · mg−1), Mean percentage of normal 3.8%

GenotypingMethod: Newborn Screening Panels

Variant1: NM_000152.4:c.-32-13T>G

ClinVar: 4027 http://www.ncbi.nlm.nih.gov/clinvar/variation/4027

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 http://gnomad.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4:c.1115A>T (p.His372Leu)

ClinVar: 370483 https://www.ncbi.nlm.nih.gov/clinvar/variation/370483/

gnomAD: Not in gnomAD

CaseAddInfo: Late Onset Pompe Disease

CasePD/VOUS-3: 2 weeks diagnosis

HPOsFreeText: GAA activity 11.3 (nmol · h−1 · mg−1), Mean percentage of normal 15.8%

GenotypingMethod: Newborn Screening Panels

Variant1: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

Variant2: NM_000152.4:c.2065G>A (p.Glu689Lys)

ClinVar: 4030 https://www.ncbi.nlm.nih.gov/clinvar/variation/4030/

gnomAD: East Asian 0.2355, Overall 0.05524 http://gnomad.broadinstitute.org/variant/17-78087041-G-A

Variant3: NM_000152.4:c.664G>A (p.Val222Met)

ClinVar: 290223 https://www.ncbi.nlm.nih.gov/clinvar/variation/290223/

gnomAD: South Asian 5.393e-3, Overall 6.931e-4 http://gnomad.broadinstitute.org/variant/17-78079665-G-A

CaseAddInfo: Patient has one pseudodeficency allele and one allele of uncertain significance, Nomenclature claims Variant 1 and 2 are in cis

CaseLOPD-18: 2 weeks diagnosis

HPOsFreeText: GAA activity 2.9 (nmol · h−1 · mg−1), Mean percentage of normal 4.0%

GenotypingMethod: Newborn Screening Panels

Variant1: NM_000152.4:c.-32-13T>G

ClinVar: 4027 http://www.ncbi.nlm.nih.gov/clinvar/variation/4027

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 http://gnomad.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4:c.2188G>T (p.Glu730Ter)

ClinVar: 495665 https://www.ncbi.nlm.nih.gov/clinvar/variation/495665/

gnomAD: Not in gnomAD

CaseAddInfo: Late Onset Pompe Disease

DOI: 10.64898/2026.10.26.761918

Resource: RRID:Addgene_44012

Curator: @scibot

SciCrunch record: RRID:Addgene_44012

What is this?

DOI: 10.64898/2026.10.26.761918

Resource: RRID:Addgene_16182

Curator: @scibot

SciCrunch record: RRID:Addgene_16182

What is this?

DOI: 10.64898/2026.10.26.761918

Resource: RRID:SCR_027809

Curator: @scibot

SciCrunch record: RRID:SCR_027809

What is this?

DOI: 10.64898/2026.10.26.761918

Resource: RRID:Addgene_36944

Curator: @scibot

SciCrunch record: RRID:Addgene_36944

What is this?

DOI: 10.64898/2026.10.26.761918

Resource: RRID:Addgene_12260

Curator: @scibot

SciCrunch record: RRID:Addgene_12260

What is this?

Patient 11 - LOPD

Variant1: NM_000152.4(GAA):c.670C>T (p.Arg224Trp)

ClinVar: 189188, https://www.ncbi.nlm.nih.gov/clinvar/variation/189188/

gnomAD: 0.00002184, http://gnomad.broadinstitute.org/variant/17-78079671-C-T

Variant2: NM_000152.4(GAA):c.2331+2T>A

ClinVar: 371281, https://www.ncbi.nlm.nih.gov/clinvar/variation/371281/

gnomAD: 0.000004033, http://gnomad.broadinstitute.org/variant/17-78090910-T-A

Case44: Male, 10yo at onset, 15yo at enrollment

CasePresentingHPOs: HP:0007340, HP:0003701, HP:0003327, HP:0003236, HP:0002111, HP:0100748, HP:0003458

HPOsFreeText: symmetric muscle weakness of extremities, CK = 3313 IU/L, FVC = 23%, Unspecific myopathic change, DBS GAA activity = 0.1, mixed leukocyte GAA activity = 1.80

CaseNotHPOs: HP:0001627, HP:0002086

NotHPOsFreeText:

CaseAddInfo: 5 years between onset and diagnosis

CasePreviousTesting: clinical history, laboratory data, DBS and ML assays to measure GAA activity, electromyography, muscle pathology analysis

CaseGenotypingMethod: full sequencing of GAA gene

VariantAllele1: NM_000152.4(GAA):c.546G>T (p.Thr182=)

ClinVar: 370637, https://www.ncbi.nlm.nih.gov/clinvar/variation/370637/

gnomAD: n/a

VariantAllele2: NM_000152.4(GAA):c.1316T>A (p.Met439Lys)

ClinVar: 371305, https://www.ncbi.nlm.nih.gov/clinvar/variation/371305/

gnomAD: 3.988e-05, http://exac.broadinstitute.org/variant/17-78082617-T-A

Patient1: Female, northern China

CasePresentingHPOs:

HPOsFreeText: IOPD

CaseNotHPOs:

NotHPOsFreeText:

CaseAddInfo:

CasePMIDs:

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant1: NM_000152.4(GAA):c.2662G>T (p.Glu888Ter)

ClinVar: 578595, https://www.ncbi.nlm.nih.gov/clinvar/variation/578595/

gnomAD: 1.65e-05, http://exac.broadinstitute.org/variant/17-78092467-G-T

Variant2: NM_000152.4(GAA):c.1927G>A (p.Gly643Arg)

ClinVar: 4023, https://www.ncbi.nlm.nih.gov/clinvar/variation/4023/

gnomAD: 0.00002479, http://gnomad.broadinstitute.org/variant/17-78086713-G-A

Patient7: Female, Southern China

CasePresentingHPOs:

HPOsFreeText: IOPD

CaseNotHPOs:

NotHPOsFreeText:

CaseAddInfo:

CasePMIDs:

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant1: NM_000152.4(GAA):c.1432G>A (p.Gly478Arg)

ClinVar: 551295, https://www.ncbi.nlm.nih.gov/clinvar/variation/551295/

gnomAD: 8.525e-06, http://exac.broadinstitute.org/variant/17-78083849-G-A

Variant2: NM_000152.4(GAA):c.1802C>T (p.Ser601Leu)

ClinVar: 194154, https://www.ncbi.nlm.nih.gov/clinvar/variation/194154/

gnomAD: n/a

Patient5: Female, 0.3mo at ERT start, 3.5yo at study end

CasePresentingHPOs:

HPOsFreeText: treated with 40mg/kg/wk, patient had 2 infusion associated reactions

CaseNotHPOs:

NotHPOsFreeText:

CaseAddInfo:

CasePMIDs:

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant1: NM_000152.4(GAA):c.525delT (p.Glu176Argfs)

ClinVar: 4033, https://www.ncbi.nlm.nih.gov/clinvar/variation/4033/

gnomAD: 0.00009959, http://gnomad.broadinstitute.org/variant/17-78078909-CT-C

Variant2: NM_000152.4(GAA):c.1933G>A (p.Asp645Asn)

ClinVar: 188728, https://www.ncbi.nlm.nih.gov/clinvar/variation/188728/

gnomAD: 0.000008250, http://gnomad.broadinstitute.org/variant/17-78086719-G-A

Case1HPOsFreeText: 5 mg/kg GAA treatment, GAA activity at 2 pmol/punch/hr, GAA activity at 6% lower limit of normal

CaseAddInfo: Late Onset Pompe Disease

Case20HPOsFreeText: 20 mg/kg GAA treatment, GAA activity at 9 pmol/spot/hr, GAA activity at 18% lower limit of normal

CaseAddInfo: Late Onset Pompe Disease

CaseGenotypingMethod: Method not described, only that the diagnosis was "confirmed … based on 2 GAA gene mutations"

Variant1: NM_000152.4:c.-32-13T>G

ClinVar: 4027 https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 https://gnomad.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4:c.2459_2461delCTG (p.Ala820del)

ClinVar: 456404 https://www.ncbi.nlm.nih.gov/clinvar/variation/456404/

gnomAD: European (Non-Finnish) 6.492e-5, Overall 3.190e-5 https://gnomad.broadinstitute.org/variant/17-78091524-GGCT-G

CaseAddInfo:

Case4HPOsFreeText: 10 mg/kg GAA treatment, GAA activity at 0.1 pmol/punch/hr, GAA activity at 33% lower limit of normal

CaseAddInfo: Late Onset Pompe Disease

CaseGenotypingMethod: Method not described, only that the diagnosis was "confirmed … based on 2 GAA gene mutations"

Variant1: NM_000152.4:c.-32-13T>G

ClinVar: 4027 https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 https://gnomad.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4:c.1441T>C (p.Trp481Arg)

ClinVar: 189007 https://www.ncbi.nlm.nih.gov/clinvar/variation/189007/

gnomAD: African 8.031e-5, Overall 2.126e-5 https://gnomad.broadinstitute.org/variant/17-78084529-T-C

CaseAddInfo:

Case17HPOsFreeText: 20 mg/kg GAA treatment, GAA activity at 0.38 umol/g/h, GAA activity at 12.7% lower limit of normal

CaseAddInfo: Late Onset Pompe Disease

CaseGenotypingMethod: Method not described, only that the diagnosis was "confirmed … based on 2 GAA gene mutations"

Variant1: NM_000152.4:c.-32-13T>G

ClinVar: 4027 https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 https://gnomad.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4:c.2242dupG (p.Glu748Glyfs)

ClinVar: 370651 https://www.ncbi.nlm.nih.gov/clinvar/variation/370651/

gnomAD: European (Non-Finnish) 1.767e-5, Overall 7.975e-6 https://gnomad.broadinstitute.org/variant/17-78090813-T-TG

CaseAddInfo:

Case8HPOsFreeText: 20 mg/kg GAA treatment, GAA activity at 8 pmol/punch/hr, GAA activity at 33% lower limit of normal

CaseAddInfo: Late Onset Pompe Disease

CaseGenotypingMethod: Method not described, only that the diagnosis was "confirmed … based on 2 GAA gene mutations"

Variant1: NM_000152.4:c.-32-13T>G

ClinVar: 4027 https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 https://gnomad.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4:c.2242dupG (p.Glu748Glyfs)

ClinVar: 370651 https://www.ncbi.nlm.nih.gov/clinvar/variation/370651/

gnomAD: European (Non-Finnish) 1.767e-5, Overall 7.975e-6 https://gnomad.broadinstitute.org/variant/17-78090813-T-TG

CaseAddInfo:

Case2HPOsFreeText: 5 mg/kg GAA treatment, GAA activity at 6 pmol/punch/hr, GAA activity at 25% lower limit of normal

CaseAddInfo: Late Onset Pompe Disease

Case14HPOsFreeText: 20 mg/kg GAA treatment, GAA activity at 0.1 umol/h/L, GAA activity at 33% lower limit of normal

CaseAddInfo: Late Onset Pompe Disease

CaseGenotypingMethod: Method not described, only that the diagnosis was "confirmed … based on 2 GAA gene mutations"

Variant1: NM_000152.4:c.-32-13T>G

ClinVar: 4027 https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 https://gnomad.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4:c.1441T>C (p.Trp481Arg)

ClinVar: 189007 https://www.ncbi.nlm.nih.gov/clinvar/variation/189007/

gnomAD: African 8.031e-5, Overall 2.126e-5 https://gnomad.broadinstitute.org/variant/17-78084529-T-C

CaseAddInfo:

DOI: 10.64898/2026.10.26.761799

Resource: GraphPad Prism (RRID:SCR_002798)

Curator: @scibot

SciCrunch record: RRID:SCR_002798

What is this?

Case47

HPOsFreeText: See Group Phenotypes

CasePreviousTesting: Sanger sequencing

CaseMethod1: Sanger sequencing and PCR Amplification

CaseMethod2: Whole Exome Sequencing (WES)

CaseGenotypingMethod: Patients were previously confirmed with Pompe disease by Sanger sequencing to capture the pathogenic variants. The process was repeated as part of the study taking care to amplify the coding regions and exon/intron boundaries to compare with the WES results afterwards.

Variant1: NM_000152.4:c.655G>A (p.Gly219Arg)

ClinVar: 189065 https://www.ncbi.nlm.nih.gov/clinvar/variation/189065/

gnomAD: African 4.024e-5, Overall 1.809e-5 http://gnomad.broadinstitute.org/variant/17-78079656-G-A

Variant2: NM_000152.4:c.1979G>A (p.Arg660His)

ClinVar: 189172 https://www.ncbi.nlm.nih.gov/clinvar/variation/189172/

gnomAD: African 2.546e-4, Overall 3.680e-5 http://gnomad.broadinstitute.org/variant/17-78086765-G-A

CaseAddInfo: Infantile Onset Pompe Disease

Case78

HPOsFreeText: See Group Phenotypes

CasePreviousTesting: Sanger sequencing

CaseMethod1: Sanger sequencing and PCR Amplification

CaseMethod2: Whole Exome Sequencing (WES)

CaseGenotypingMethod: Patients were previously confirmed with Pompe disease by Sanger sequencing to capture the pathogenic variants. The process was repeated as part of the study taking care to amplify the coding regions and exon/intron boundaries to compare with the WES results afterwards.

Variant1: NM_000152.4:c.2608C>T (p.Arg870*)

ClinVar: 189009 https://www.ncbi.nlm.nih.gov/clinvar/variation/189009/

gnomAD: European (Non-Finnish) 4.888e-5, Overall 2.662e-5 http://gnomad.broadinstitute.org/variant/17-78092118-C-T

Variant2: NM_000152.4:c.-32-13T>G

ClinVar: 4027 https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 http://gnomad.broadinstitute.org/variant/17-78078341-T-G

CaseAddInfo: Adult Late Onset Pompe Disease

Case42

HPOsFreeText: See Group Phenotypes

CasePreviousTesting: Sanger sequencing

CaseMethod1: Sanger sequencing and PCR Amplification

CaseMethod2: Whole Exome Sequencing (WES)

CaseGenotypingMethod: Patients were previously confirmed with Pompe disease by Sanger sequencing to capture the pathogenic variants. The process was repeated as part of the study taking care to amplify the coding regions and exon/intron boundaries to compare with the WES results afterwards.

Variant1: NM_000152.4:c.2512C>T (p.Gln838*)

ClinVar: 92479 https://www.ncbi.nlm.nih.gov/clinvar/variation/92479/

gnomAD: African 6.177e-5, Overall 3.997e-6 http://gnomad.broadinstitute.org/variant/17-78092022-C-T

Variant2: NM_000152.4:c.2105G>T (p.Arg702Leu)

CAID: 92472 https://www.ncbi.nlm.nih.gov/clinvar/variation/92472/

gnomAD: Not in gnomAD

CaseAddInfo: Infantile Onset Pompe Disease

Case34

HPOsFreeText: See Group Phenotypes

CasePreviousTesting: Sanger sequencing

CaseMethod1: Sanger sequencing and PCR Amplification

CaseMethod2: Whole Exome Sequencing (WES)

CaseGenotypingMethod: Patients were previously confirmed with Pompe disease by Sanger sequencing to capture the pathogenic variants. The process was repeated as part of the study taking care to amplify the coding regions and exon/intron boundaries to compare with the WES results afterwards.

Variant: NM_000152.4:c.1942G>A (p.Gly648Ser)

ClinVar: 188902 https://www.ncbi.nlm.nih.gov/clinvar/variation/188902/

gnomAD: South Asian 3.365e-4, Overall 5.361e-5 http://gnomad.broadinstitute.org/variant/17-78086728-G-A

CaseAddInfo: Infantile Onset Pompe Disease, Patient is homozygous for this variant

Case56

HPOsFreeText: See Group Phenotypes

CasePreviousTesting: Sanger sequencing

CaseMethod1: Sanger sequencing and PCR Amplification

CaseMethod2: Whole Exome Sequencing (WES)

CaseGenotypingMethod: Patients were previously confirmed with Pompe disease by Sanger sequencing to capture the pathogenic variants. The process was repeated as part of the study taking care to amplify the coding regions and exon/intron boundaries to compare with the WES results afterwards.

Variant1: NM_000152.4:c.1796C>A (p.Ser599Tyr)

ClinVar: 551558 https://www.ncbi.nlm.nih.gov/clinvar/variation/551558/

gnomAD: European (Non-Finnish) 2.683e-5, Overall 1.207e-5 http://gnomad.broadinstitute.org/variant/17-78086418-C-A

Variant2: NM_000152.4:c.-32-13T>G

ClinVar: 4027 https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 http://gnomad.broadinstitute.org/variant/17-78078341-T-G

CaseAddInfo: Juvenile Late Onset Pompe Disease

Case85

HPOsFreeText: See Group Phenotypes

CasePreviousTesting: Sanger sequencing

CaseMethod1: Sanger sequencing and PCR Amplification

CaseMethod2: Whole Exome Sequencing (WES)

CaseGenotypingMethod: Patients were previously confirmed with Pompe disease by Sanger sequencing to capture the pathogenic variants. The process was repeated as part of the study taking care to amplify the coding regions and exon/intron boundaries to compare with the WES results afterwards.

Variant1: NM_000152.4:c.784G>A (p.Glu262Lys)

ClinVar: 188806 https://www.ncbi.nlm.nih.gov/clinvar/variation/188806/

gnomAD: East Asian 5.016e-5, Overall 1.417e-5 http://gnomad.broadinstitute.org/variant/17-78081447-G-A

Variant2: NM_000152.4:c.-32-13T>G

ClinVar: 4027 https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 http://gnomad.broadinstitute.org/variant/17-78078341-T-G

CaseAddInfo: Adult Late Onset Pompe Disease, 2 other patients have the same genotype

Case10

HPOsFreeText: See Group Phenotypes

CasePreviousTesting: Sanger sequencing

CaseMethod1: Sanger sequencing and PCR Amplification

CaseMethod2: Whole Exome Sequencing (WES)

CaseGenotypingMethod: Patients were previously confirmed with Pompe disease by Sanger sequencing to capture the pathogenic variants. The process was repeated as part of the study taking care to amplify the coding regions and exon/intron boundaries to compare with the WES results afterwards.

Variant1: NM_000152.4:c.1978C>T (p.Arg660Cys)

ClinVar: 558604 https://www.ncbi.nlm.nih.gov/clinvar/variation/558604/

gnomAD: East Asian 5.554e-5, Overall 4.142e-6 http://gnomad.broadinstitute.org/variant/17-78086764-C-T

Variant2: NM_000152.4:c.2221G>A (p.Asp741Asn)

ClinVar: 571521 https://www.ncbi.nlm.nih.gov/clinvar/variation/571521/

gnomAD: East Asian 1.087e-4, Overall 7.971e-6 http://gnomad.broadinstitute.org/variant/17-78090798-G-A

CaseAddInfo: Infantile Onset Pompe Disease

Case27

HPOsFreeText: See Group Phenotypes

CasePreviousTesting: Sanger sequencing

CaseMethod1: Sanger sequencing and PCR Amplification

CaseMethod2: Whole Exome Sequencing (WES)

CaseGenotypingMethod: Patients were previously confirmed with Pompe disease by Sanger sequencing to capture the pathogenic variants. The process was repeated as part of the study taking care to amplify the coding regions and exon/intron boundaries to compare with the WES results afterwards.

Variant1: NM_000152.4:c.1411_1414delGAGA (p.Glu471fs*5)

ClinVar: 188874 https://www.ncbi.nlm.nih.gov/clinvar/variation/188874/

gnomAD: East Asian 2.513e-4, Overall 1.781e-5 http://gnomad.broadinstitute.org/variant/17-78083827-CGAGA-C

Significance of this variant is unknown.

Variant2: NM_000152.4:c.460_465del (Arg154_Thre155del)

ClinVar: 551306 https://www.ncbi.nlm.nih.gov/clinvar/variation/551306/

gnomAD: Not in gnomAD

CaseAddInfo: Infantile Onset Pompe Disease

Case58

HPOsFreeText: See Group Phenotypes

CasePreviousTesting: Sanger sequencing

CaseMethod1: Sanger sequencing and PCR Amplification

CaseMethod2: Whole Exome Sequencing (WES)

CaseGenotypingMethod: Patients were previously confirmed with Pompe disease by Sanger sequencing to capture the pathogenic variants. The process was repeated as part of the study taking care to amplify the coding regions and exon/intron boundaries to compare with the WES results afterwards.

Variant1: NM_000152.4:c.1143delC (p.Ala382Leufs*10)

CAID: 370263 https://www.ncbi.nlm.nih.gov/clinvar/variation/370263/

gnomAD: European (Non-Finnish) 8.946e-6, Overall 4.031e-6 http://gnomad.broadinstitute.org/variant/17-78082353-AC-A

Variant2: NM_000152.4:c.-32-13T>G

ClinVar: 4027 https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 http://gnomad.broadinstitute.org/variant/17-78078341-T-G

CaseAddInfo: Adult Late Onset Pompe Disease

Case32

HPOsFreeText: See Group Phenotypes

CasePreviousTesting: Sanger sequencing

CaseMethod1: Sanger sequencing and PCR Amplification

CaseMethod2: Whole Exome Sequencing (WES)

CaseGenotypingMethod: Patients were previously confirmed with Pompe disease by Sanger sequencing to capture the pathogenic variants. The process was repeated as part of the study taking care to amplify the coding regions and exon/intron boundaries to compare with the WES results afterwards.

Variant: NM_000152.4:c.1933G>A (p.Asp645Asn)

ClinVar: 188728 https://www.ncbi.nlm.nih.gov/clinvar/variation/188728/

gnomAD: African 6.599e-5, Overall 8.250e-6 http://gnomad.broadinstitute.org/variant/17-78086719-G-A

CaseAddInfo: Infantile Onset Pompe Disease, Patient is homozygous for this variant, 1 more patient has the same genotype

Patient17: Male

CasePresentingHPOs: HP:0004887, HP:0011471, HP:0001270, HP:0002546

HPOsFreeText: CRIM negative, tracheostomy, heart normalization

CaseNotHPOs: HP:0000365, HP:0001371

NotHPOsFreeText: infusion associated reaction

CaseAddInfo: homozygous variants in trans, symptom onset at 2yo, diagnosis and ERT at 6yo

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant: NM_000152.4(GAA):c.1A>G (p.Met1Val)

ClinVar: 188785, https://www.ncbi.nlm.nih.gov/clinvar/variation/188785/

gnomAD: n/a

Patient 12: male

CasePresentingHPOs:

HPOsFreeText: CRIM positive, infusion associated reaction, heart normalization

CaseNotHPOs: HP:0004887, HP:0025156, HP:0002355, HP:0002546, HP:0000365, HP:0001371

CaseAddInfo: variants in trans, symptom onset at 2yo, diagnosis at 3yo, ERT at 4yo

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant1: NM_000152.4(GAA):c.236_246delCCACACAGTGC (p.Pro79Argfs)

ClinVar: 371302, https://www.ncbi.nlm.nih.gov/clinvar/variation/371302/

gnomAD: n/a

Variant2: NM_000152.4(GAA):c.1655T>C (p.Leu552Pro)

ClinVar: 279811, https://www.ncbi.nlm.nih.gov/clinvar/variation/279811/

gnomAD: 1.663e-05, http://exac.broadinstitute.org/variant/17-78085800-T-C

Patient8: Female

CasePresentingHPOs: HP:0004887, HP:0001270

HPOsFreeText: CRIM positive, tracheostomy partial heart normalization

CaseNotHPOs: HP:0025156, HP:0001371

NotHPOsFreeText: infusion associated reaction

CaseAddInfo: variants in trans, symptom onset at 1yo, diagnosis at 9yo, ERT at 10yo. Died due to infusion reaction with ERT.

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant1: NM_000152.4(GAA):c.525delT (p.Glu176Argfs)

ClinVar: 4033, https://www.ncbi.nlm.nih.gov/clinvar/variation/4033/

gnomAD: 7.041e-05, http://exac.broadinstitute.org/variant/17-78078909-CT-C

Variant2: NM_000152.4(GAA):c.670C>T (p.Arg224Trp)

ClinVar: 189188, https://www.ncbi.nlm.nih.gov/clinvar/variation/189188/

gnomAD: 2.53e-05, http://exac.broadinstitute.org/variant/17-78079671-C-T

Patient18: Male

CasePresentingHPOs: HP:0004887, HP:0001270, HP:0002546

HPOsFreeText: CRIM positive, Anti-rh GGA antibodies maximum titer = ≤ 1:400, heart normalization

CaseNotHPOs: HP:0025156, HP:0000365, HP:0001371

NotHPOsFreeText: infusion associated reaction

CaseAddInfo: homozygous variants in trans, symptom onset at 1yo, diagnosis at 1.5yo, ERT at 4yo

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant: NM_000152.4(GAA):c.784G>A (p.Glu262Lys)

ClinVar: 188806, https://www.ncbi.nlm.nih.gov/clinvar/variation/188806/

gnomAD: 1.66e-05, http://exac.broadinstitute.org/variant/17-78081447-G-A

Patient5: female

CasePresentingHPOs: HP:0001270

HPOsFreeText: CRIM negative, Anti-rh GGA antibodies maximum titer = 1:25.600, infusion associated reaction, heat normalization

CaseNotHPOs: HP:0004887, HP:0025156, HP:0001371

CaseAddInfo: homozygous variants in trans, symptom onset and diagnosis at 1yo, ERT at 2yo. Died due to infusion reaction with ERT.

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant: NM_000152.4(GAA):c.236_246delCCACACAGTGC (p.Pro79Argfs)

ClinVar: 371302, https://www.ncbi.nlm.nih.gov/clinvar/variation/371302/

gnomAD: n/a

Patient13: female

CasePresentingHPOs: HP:0004887, HP:0011471, HP:0001270, HP:0002546, HP:0000365

HPOsFreeText: CRIM positive, tracheostomy, partial heart normalization

CaseNotHPOs: HP:0001371

NotHPOsFreeText: infusion associated reaction

CaseAddInfo: variants in trans, symptom onset at 6yo, diagnosis and ERT at 11yo

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant1: NM_000152.4(GAA):c.236_246delCCACACAGTGC (p.Pro79Argfs)

ClinVar: 371302, https://www.ncbi.nlm.nih.gov/clinvar/variation/371302/

gnomAD: n/a

Variant2: NM_000152.4(GAA):c.1927G>A (p.Gly643Arg)

ClinVar: 4023, https://www.ncbi.nlm.nih.gov/clinvar/variation/4023/

gnomAD: 5.884e-05, http://exac.broadinstitute.org/variant/17-78086713-G-A

DOI: 10.64898/2026.10.26.761788

Resource: RRID:Addgene_10878

Curator: @scibot

SciCrunch record: RRID:Addgene_10878

What is this?

CaseP2-GAA: female, ethnicity = North African, country origin = Morocco

CasePresentingHPOs: HP:0010899, HP:0010916, HP:0003236

HPOsFreeText: enzyme activity = 1.41, CPK = 682 U/L, ALT = 68 U/L, AST = 130 U/L, CRIM positive

CaseNotHPOs:

CaseAddInfo: heterozygote, variants in trans. Patient underwent ERT.

CasePreviousTesting: initial and confirmatory DBS, biochemical tests, echocardiography

CaseGenotypingMethod: mutation analyses

Variant1: NM_000152.4(GAA):c.-32-13T>G

Clinvar: 4027, https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: n/a

Variant2: NM_000152.4(GAA):c.236_246delCCACACAGTGC (p.Pro79Argfs)

ClinVar: 371302, https://www.ncbi.nlm.nih.gov/clinvar/variation/371302/

gnomAD: n/a

CaseP1-GAA: Male, ethnicity = North African, country origin = Morocco

CasePresentingHPOs: HP:0010899, HP:0010916, HP:0003236

HPOsFreeText: enzyme activity = 0.61, CPK = 448 U/L, ALT = 48 U/L, AST = 98 U/L, CRIM positive

CaseNotHPOs:

NotHPOsFreeText:

CaseAddInfo: heterozygote, variants in trans. Patient underwent ERT.

CasePreviousTesting: initial and confirmatory DBS, biochemical tests, echocardiography

CaseGenotypingMethod: mutation analyses

Variant1: NM_000152.4(GAA):c.-32-13T>G

Clinvar: 4027, https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: n/a

Variant2: NM_000152.4(GAA):c.236_246delCCACACAGTGC (p.Pro79Argfs)

ClinVar: 371302, https://www.ncbi.nlm.nih.gov/clinvar/variation/371302/

gnomAD: n/a

DOI: 10.64898/2026.10.26.26366535

Resource: Parkinson's Progression Markers Initiative (RRID:SCR_006431)

Curator: @scibot

SciCrunch record: RRID:SCR_006431

What is this?

Family 8 - Patients 8a and 8b

FamilyPresentingHPOs: HP:0007340, HP:0003701, HP:0000467, HP:0003327, HP:0010628, HP:0002015, HP:0003691, HP:0002650, HP:0040081

HPOsFreeText: 8b muscle pathology with mild lysosomal vacuolar myopathy with slight glycogen excess, no metachromatic debris, myopathic muscle unit action potentials

FamilyNotHPOs: HP:0003306

Ethnicity: Iranian

ProbandLabel: 8a, female, 27yo at onset, 32yo at diagnosis

FamilyAddInfo: 8b (male) dx at 40yo, 8a MRC sum score = 82, 8b MRC sum score = 60, 8b is wheelchair bound, both patients required use of NIV

FamilyPreviousTesting: Respiratory Evaluation: 8a FVC = 102%, 8b FVC = 17%, 8a CK = 268 U/L, 8b CK = 199 U/L, muscle pathology (examined only in 8b), DBS enzyme activity (with inhibition) for 8a = 0.11 μmol/L/h, for 8b = 0.15 μmol/L/h, NCS, EMG

FamilyGenotypingMethod: GAA analyzed with Sanger Sequencing for entire coding region and conserved exon-intron splice junctions, PCR performed for deletion screening

VariantAllele1: NM_000152.4(GAA):c.-32-13T>G

Clinvar: 4027, https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: 0.003582, http://exac.broadinstitute.org/variant/17-78078341-T-G

VariantAllele2: NM_000152.4(GAA):c.2078dupA (p.Ala694Glyfs)

ClinVar: 180143, https://www.ncbi.nlm.nih.gov/clinvar/variation/180143/

gnomAD: n/a

Family 3 - Patient 3

FamilyPresentingHPOs: HP:0002355, HP:0003701, HP:0000467, HP:0003327, HP:0002111, HP:0040081, HP:0100284

HPOsFreeText: Vacuolar myopathy, myopathic muscle unit action potentials

FamilyNotHPOs: HP:0010628, HP:0002015, HP:0003691, HP:0003306, HP:0002650

NotHPOsFreeText:

Ethnicity: Iranian

ProbandLabel:

FamilyAddInfo: female, 2yo at onset, 26yo at diagnosis, MRC sum score = 76, NIV used beginning at 22yo

FamilyPreviousTesting: Respiratory Evaluation: FVC = 31%, CK = 1,551 U/L, Vacuolar myopathy present in muscle pathology exam, DBS enzyme activity (with inhibition) = 5.1 μmol/L/h, NCS, EMG

FamilyGenotypingMethod: GAA analyzed with Sanger Sequencing for entire coding region and conserved exon-intron splice junctions, PCR performed for deletion screening

VariantAllele1: NM_000152.4(GAA):c.-32-13T>G

Clinvar: 4027, https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: 0.003582, http://exac.broadinstitute.org/variant/17-78078341-T-G

VariantAllele2: NM_000152.4(GAA):c.1004G>A (p.Gly335Glu)

ClinVar: 180142, https://www.ncbi.nlm.nih.gov/clinvar/variation/180142/

gnomAD: 0.003582, http://exac.broadinstitute.org/variant/17-78078341-T-G

Family 9 - Patient 9

FamilyPresentingHPOs: HP:0007340, HP:0003701, HP:0000467, HP:0003327, HP:0010628, HP:0003306, HP:0002111, HP:0040081

HPOsFreeText: muscle pathology with slight vacuolar myopathy with mild glycogen excess

FamilyNotHPOs: HP:0002015, HP:0003691, HP:0002650

Ethnicity: Iranian

ProbandLabel:

FamilyAddInfo: onset at 28yo, diagnosed at 35yo, MRC sum score = 81

FamilyPreviousTesting: Respiratory Evaluation: FVC = 71%, CK = 748 U/L, muscle pathology examined, DBS enzyme activity (with inhibition) = 3.5 μmol/L/h

FamilyGenotypingMethod: GAA analyzed with Sanger Sequencing for entire coding region and conserved exon-intron splice junctions, PCR performed for deletion screening

VariantAllele1: NM_000152.4(GAA):c.-32-13T>G

Clinvar: 4027, https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: 0.003582, http://exac.broadinstitute.org/variant/17-78078341-T-G

VariantAllele2: NM_000152.4(GAA):c.1799G>A (p.Arg600His)

ClinVar: 370130, https://www.ncbi.nlm.nih.gov/clinvar/variation/370130/

gnomAD: 8.675e-06, http://exac.broadinstitute.org/variant/17-78086421-G-A

DOI: 10.64898/2026.10.26.26364188

Resource: RRID:SCR_027565

Curator: @scibot

SciCrunch record: RRID:SCR_027565

What is this?

CaseLP2-9: Male, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 0.44 umol/hr/L, Serum CK at 140 U/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.752C>T (p.Ser251Leu)

ClinVar: 325781 https://www.ncbi.nlm.nih.gov/clinvar/variation/325781/

gnomAD: East Asian 2.760e-3, Overall 3.540e-4 http://gnomad.broadinstitute.org/variant/17-78081415-C-T

Variant2: NM_000152.4:c.761C>T (p.Ser254Leu)

ClinVar: 325782 https://www.ncbi.nlm.nih.gov/clinvar/variation/325782/

gnomAD: East Asian 2.759e-3, Overall 1.947e-4 http://gnomad.broadinstitute.org/variant/17-78081424-C-T

Variant3: NM_000152.4:c.1411_1414delGAGA (p.Glu471Profs)

ClinVar: 188874 https://www.ncbi.nlm.nih.gov/clinvar/variation/188874/

gnomAD: East Asian 2.513e-4, Overall 1.781e-5 http://gnomad.broadinstitute.org/variant/17-78083827-CGAGA-C

Variant4: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

CaseAddInfo: Late Onset Pompe Disease, Nomenclature indicates Variants 1 and 2 and Variants 3 and 4 are in cis

CaseLP-3: Female, Taiwan, Birth diagnosis

HPOsFreeText: 4MU enzyme activity at 0.49, MS/MS ennzyme activity at 0.10

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.752C>T (p.Ser251Leu)

ClinVar: 325781 https://www.ncbi.nlm.nih.gov/clinvar/variation/325781/

gnomAD: East Asian 2.760e-3, Overall 3.540e-4 http://gnomad.broadinstitute.org/variant/17-78081415-C-T

Variant2: NM_000152.4:c.761C>T (p.Ser254Leu)

ClinVar: 325782 https://www.ncbi.nlm.nih.gov/clinvar/variation/325782/

gnomAD: East Asian 2.759e-3, Overall 1.947e-4 http://gnomad.broadinstitute.org/variant/17-78081424-C-T

Variant3: NM_000152.4:c.1004G>A (p.Gly335Glu)

ClinVar: 180142 https://www.ncbi.nlm.nih.gov/clinvar/variation/180142/

gnomAD: Not in gnomAD

CaseAddInfo: Suspected Late Onset Pompe Disease, Nomenclature indicates Variants 1 and 2 are in cis

CaseLP2-6: Female, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 0.10 umol/hr/L, Serum CK at 103 U/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.752C>T (p.Ser251Leu)

ClinVar: 325781 https://www.ncbi.nlm.nih.gov/clinvar/variation/325781/

gnomAD: East Asian 2.760e-3, Overall 3.540e-4 http://gnomad.broadinstitute.org/variant/17-78081415-C-T

Variant2: NM_000152.4:c.761C>T (p.Ser254Leu)

ClinVar: 325782 https://www.ncbi.nlm.nih.gov/clinvar/variation/325782/

gnomAD: East Asian 2.759e-3, Overall 1.947e-4 http://gnomad.broadinstitute.org/variant/17-78081424-C-T

Variant3: NM_000152.4:c.1004G>A (p.Gly335Glu)

ClinVar: 180142 https://www.ncbi.nlm.nih.gov/clinvar/variation/180142/

gnomAD: Not in gnomAD

CaseAddInfo: Late Onset Pompe Disease, Nomenclature indicates Variants 1 and 2 are in cis

CaseOPOPD-64: Male, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 0.72 umol/hr/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

Variant2: NM_000152.4:c.2024_2026delACA (p.Asn675del)

ClinVar: 189006 https://www.ncbi.nlm.nih.gov/clinvar/variation/189006/

gnomAD: East Asian 1.106e-4, Overall 8.275e-6 http://gnomad.broadinstitute.org/variant/17-78086806-CACA-C

CaseAddInfo: One Pompe Mutation allele and One Pseudodeficency Mutation allele, 3 other people have this genotype

CaseOPOPD-43: Female, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 1.20 umol/hr/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.1082C>T (p.Pro361Leu)

ClinVar: 403712 https://www.ncbi.nlm.nih.gov/clinvar/variation/403712/

gnomAD: Latino 5.798e-5, Overall 1.203e-5 http://gnomad.broadinstitute.org/variant/17-78082294-C-T

Variant2: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

CaseAddInfo: One Pompe Mutation allele and One Pseudodeficency Mutation allele

CaseOPTPD-78: Male, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 0.91 umol/hr/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

Variant2: NM_000152.4:c.2214G>A (p.Trp738Ter)

ClinVar: 370223 https://www.ncbi.nlm.nih.gov/clinvar/variation/370223/

gnomAD: East Asian 5.437e-5, Overall 3.986e-6 http://gnomad.broadinstitute.org/variant/17-78090791-G-A

CaseAddInfo: One Pompe Mutation allele and Two Pseudodeficency Mutation alleles, Nomenclature indicates patient is homozygous for Variant 1 and Variant 2 is in cis with one copy

CaseOPOPD-61: Female, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 0.63 umol/hr/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

Variant2: NM_000152.4:c.2024_2026delACA (p.Asn675del)

ClinVar: 189006 https://www.ncbi.nlm.nih.gov/clinvar/variation/189006/

gnomAD: East Asian 1.106e-4, Overall 8.275e-6 http://gnomad.broadinstitute.org/variant/17-78086806-CACA-C

CaseAddInfo: One Pompe Mutation allele and One Pseudodeficency Mutation allele, 3 other people have this genotype

CaseOPOPD-63: Male, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 1.05 umol/hr/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

Variant2: NM_000152.4:c.2024_2026delACA (p.Asn675del)

ClinVar: 189006 https://www.ncbi.nlm.nih.gov/clinvar/variation/189006/

gnomAD: East Asian 1.106e-4, Overall 8.275e-6 http://gnomad.broadinstitute.org/variant/17-78086806-CACA-C

CaseAddInfo: One Pompe Mutation allele and One Pseudodeficency Mutation allele, 3 other people have this genotype

CaseOPOPD-72: Male, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 1.31 umol/hr/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

Variant2: NM_000152.4:c.2662G>T (p.Glu888Ter)

ClinVar: 578595 https://www.ncbi.nlm.nih.gov/clinvar/variation/578595/

gnomAD: East Asian 2.719e-4, Overall 1.998e-5 http://gnomad.broadinstitute.org/variant/17-78092467-G-T

CaseAddInfo: One Pompe Mutation allele and One Pseudodeficency Mutation allele, 2 other patients have the same genotype

CaseOPOPD-38: Female, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 0.56 umol/hr/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.784G>A (p.Glu262Lys)

ClinVar: 188806 https://www.ncbi.nlm.nih.gov/clinvar/variation/188806/

gnomAD: East Asian 5.016e-5, Overall 1.417e-5 http://gnomad.broadinstitute.org/variant/17-78081447-G-A

Variant2: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

CaseAddInfo: One Pompe Mutation allele and One Pseudodeficency Mutation allele

CaseOPTPD-1: Female, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 1.47 umol/hr/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

Variant2: NM_000152.4:c.546+5G>T

ClinVar: 557811 https://www.ncbi.nlm.nih.gov/clinvar/variation/557811/

gnomAD: East Asian 4.978e-4, Overall 3.824e-5 http://gnomad.broadinstitute.org/variant/17-78078936-G-T

CaseAddInfo: One Pompe Mutation allele and Two Pseudodeficency Mutation alleles, Nomenclature indicates patient is homozygous for Variant 1 and Variant 2 is in cis with only one copy, 2 other patients have the same genotype

CaseIP2-4: Female, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 0.08 umol/hr/L, Serum CK at 385 U/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.1194+2T>C

ClinVar: 370077 https://www.ncbi.nlm.nih.gov/clinvar/variation/370077/

gnomAD: Not in gnomAD

Variant2: NM_000152.4:c.1935C>A (p.Asp645Glu)

ClinVar: 4029 https://www.ncbi.nlm.nih.gov/clinvar/variation/4029/

gnomAD: East Asian 1.729e-3, Overall 1.240e-4 http://gnomad.broadinstitute.org/variant/17-78086721-C-A

Variant3: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

CaseAddInfo: Infantile Onset Pompe Disease, Nomenclature indicates Variant 1 and 2 are in trans, also that Variant 3 is in cis with only one of them

CaseLP2-10: Male, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 0.06 umol/hr/L, Serum CK at 670 U/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.752C>T (p.Ser251Leu)

ClinVar: 325781 https://www.ncbi.nlm.nih.gov/clinvar/variation/325781/

gnomAD: East Asian 2.760e-3, Overall 3.540e-4 http://gnomad.broadinstitute.org/variant/17-78081415-C-T

Variant2: NM_000152.4:c.761C>T (p.Ser254Leu)

ClinVar: 325782 https://www.ncbi.nlm.nih.gov/clinvar/variation/325782/

gnomAD: East Asian 2.759e-3, Overall 1.947e-4 http://gnomad.broadinstitute.org/variant/17-78081424-C-T

Variant3: NM_000152.4:c.2662G>T (p.Glu888Ter)

ClinVar: 578595 https://www.ncbi.nlm.nih.gov/clinvar/variation/578595/

gnomAD: East Asian 2.719e-4, Overall 1.998e-5 http://gnomad.broadinstitute.org/variant/17-78092467-G-T

CaseAddInfo: Late Onset Pompe Disease, Nomenclature indicates Variants 1 and 2 are in cis

CaseOPOPD-62: Female, Taiwan, Birth diagnosis

HPOsFreeText: GAA (MS/MS) enzyme activity at 0.85 umol/hr/L

GenotypingMethod: GAA Gene Sequencing and PCR Amplification

Variant1: NM_000152.4:c.1726G>A (p.Gly576Ser)

ClinVar: 92467 https://www.ncbi.nlm.nih.gov/clinvar/variation/92467/

gnomAD: East Asian 0.1427, Overall 0.01700 http://gnomad.broadinstitute.org/variant/17-78085871-G-A

Variant2: NM_000152.4:c.2024_2026delACA (p.Asn675del)

ClinVar: 189006 https://www.ncbi.nlm.nih.gov/clinvar/variation/189006/

gnomAD: East Asian 1.106e-4, Overall 8.275e-6 http://gnomad.broadinstitute.org/variant/17-78086806-CACA-C

CaseAddInfo: One Pompe Mutation allele and One Pseudodeficency Mutation allele, 3 other people have this genotype

DOI: 10.64898/2026.10.24.26366361

Resource: RRID:SCR_023413

Curator: @scibot

SciCrunch record: RRID:SCR_023413

What is this?

DOI: 10.64898/2026.10.24.26366361

Resource: RRID:SCR_023340

Curator: @scibot

SciCrunch record: RRID:SCR_023340

What is this?

DOI: 10.64898/2026.10.24.26366361

Resource: RRID:SCR_026876

Curator: @scibot

SciCrunch record: RRID:SCR_026876

What is this?

Case9: 0.4 years diagnosis, Germany

CasePresentingHPOs: HP:0001635, HP:0001252, HP:0001324, HP:0003236, HP:0001639 (Cardiac failure, Muscular hypotonia, Muscle weakness, Increased serum CK, Hypertrophic cardiomyopathy)

HPOsFreeText: 18 BNP (pg/ml), 2.42 IVS (d) z score, 1.82 IVS (s) z score, Heart Failure at NYHA Class 1

NotHPOsFreeText: No left-ventricular outflow tract obstruction

CaseAddInfo: Infantile-Onset Pompe Disease

DOI: 10.64898/2026.10.22.760829

Resource: RRID:IMSR_JAX:003709

Curator: @scibot

SciCrunch record: RRID:IMSR_JAX:003709

What is this?

DOI: 10.64898/2026.10.22.760829

Resource: (IMSR Cat# JAX_005582,RRID:IMSR_JAX:005582)

Curator: @scibot

SciCrunch record: RRID:IMSR_JAX:005582

What is this?

DOI: 10.64898/2026.10.22.760829

Resource: (MMRRC Cat# 036531-UCD,RRID:MMRRC_036531-UCD)

Curator: @scibot

SciCrunch record: RRID:MMRRC_036531-UCD

What is this?

DOI: 10.64898/2026.10.22.760829

Resource: (MMRRC Cat# 031006-UCD,RRID:MMRRC_031006-UCD)

Curator: @scibot

SciCrunch record: RRID:MMRRC_031006-UCD

What is this?

Patient1: IOPD Group, 25days old

CasePresentingHPOs:

HPOsFreeText: LDH = 480 U/L, CK = 1273 U/L, ALT = 52 U/L, AST = 102 U/L, Mann-Whitney Test = 3

CaseNotHPOs:

NotHPOsFreeText:

CaseAddInfo:

CasePMIDs:

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant1: NM_000152.4(GAA):c.2238G>C (p.Trp746Cys)

ClinVar: 265160, https://www.ncbi.nlm.nih.gov/clinvar/variation/265160/

gnomAD: 0.0003083, https://gnomad.broadinstitute.org/variant/17-78090815-G-C

Variant2: NM_000152.4(GAA):c.2237G>A (p.Trp746Ter)

ClinVar: 280063, https://www.ncbi.nlm.nih.gov/clinvar/variation/280063/

gnomAD: 0.000003988, https://gnomad.broadinstitute.org/variant/17-78090814-G-A

Case#: Patient 8, male

CasePresentingHPOs: HP:0003236, HP:0003325

CaseAddInfo: 30yo at onset, 35yo at diagnosis

VariantAllele1: NM_000152.4(GAA):c.-32-13T>G

ClinVar: 4027, https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: 0.003582, http://exac.broadinstitute.org/variant/17-78078341-T-G

VariantAllele2: NC_000017.11:g.(?80118193)(80118357_?)del

ClinVar: 456368, https://www.ncbi.nlm.nih.gov/clinvar/variation/456368/

gnomAD: n/a

Case#: Patient 11, male

CasePresentingHPOs: HP:0003236, HP:0003325

CaseAddInfo: 24yo at onset, 47yo at diagnosis

VariantAllele1: NM_000152.4(GAA):c.-32-13T>G

ClinVar: 4027, https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: 0.003582, http://exac.broadinstitute.org/variant/17-78078341-T-G

VariantAllele2: NC_000017.11:g.(?80118193)(80118357_?)del

ClinVar: 456368, https://www.ncbi.nlm.nih.gov/clinvar/variation/456368/

gnomAD: n/a

DOI: 10.64898/2026.09.18.752695

Resource: RRID:Addgene_151902

Curator: @scibot

SciCrunch record: RRID:Addgene_151902

What is this?

CaseVIII: Early adult onset, 56 years diagnosis

CasePresentingHPOs: HP:0003701, HP:0003236, HP:0003388, HP:0003326, HP:0003198 (Proximal muscle weakness, Increased serum CK, Easy fatiguability, Myalgia, Myopathy)

HPOsFreeText: GAA activity from dried blood spot: 0.13%, Forced Vital Capacity Seated: 2480 (75%), Plasma CK 2.5-5x Normal, 6-Minute Walking Test: 385 min

CaseNotHPOs: HP:0002795 (Abnormal respiration)

CaseAddInfo: Late-Onset Pompe Disease, Reduced staining for dystrophin in patient VIII suggested Becker dystrophy before LOPD diagnosis

CaseVI,3: Adult onset, 64 years diagnosis

CasePresentingHPOs: HP:0003701, HP:0002795, HP:0003236 (Proximal muscle weakness, Abnormal respiration, Increased serum CK)

HPOsFreeText: GAA activity from dried blood spot: 0.16%, Forced Vital Capacity Seated: 1550 (48%), Plasma CK 2.5-5x Normal

CaseAddInfo: Late-Onset Pompe Disease

DOI: 10.64898/2026.09.18.752654

Resource: RRID:Addgene_109424

Curator: @scibot

SciCrunch record: RRID:Addgene_109424

What is this?

DOI: 10.64898/2026.09.15.751884

Resource: RRID:Addgene_51085

Curator: @scibot

SciCrunch record: RRID:Addgene_51085

What is this?

DOI: 10.64898/2026.09.15.751884

Resource: RRID:Addgene_83898

Curator: @scibot

SciCrunch record: RRID:Addgene_83898

What is this?

DOI: 10.64898/2026.09.15.751884

Resource: RRID:Addgene_105448

Curator: @scibot

SciCrunch record: RRID:Addgene_105448

What is this?

Case23: Male, 77 years report

HPOsFreeText: 2 years of ERT completed, 6 Minute Walking Test at 120 meters, Forced Vital Capacity at 40%

GenotypingMethod: GAA Gene Sequencing

Variant1: NM_000152.4:c.-32-13T>G

ClinVar: 4027 http://www.ncbi.nlm.nih.gov/clinvar/variation/4027

gnomAD: Ashkenazi Jewish 5.541e-3, Overall 3.401e-3 http://gnomad.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4:c.925G>A (p.Gly309Arg)

ClinVar: 188797 https://www.ncbi.nlm.nih.gov/clinvar/variation/188797/

gnomAD: Ashkenazi Jewish 1.010e-4, Overall 2.860e-5 http://gnomad.broadinstitute.org/variant/17-78081665-G-A

CaseAddInfo: Late Onset Pompe Disease

DOI: 10.64898/2026.09.15.751463

Resource: RRID:Addgene_184901

Curator: @scibot

SciCrunch record: RRID:Addgene_184901

What is this?

DOI: 10.64898/2026.09.14.751564

Resource: South Dakota State University Genomics Sequencing Core Facility (RRID:SCR_023959)

Curator: @scibot

SciCrunch record: RRID:SCR_023959

What is this?

DOI: 10.64898/2026.09.14.751564

Resource: RRID:Addgene_52963

Curator: @scibot

SciCrunch record: RRID:Addgene_52963

What is this?

DOI: 10.64898/2026.09.14.751564

Resource: RRID:Addgene_73633

Curator: @scibot

SciCrunch record: RRID:Addgene_73633

What is this?

Case31: Female, 15 yr diagnosis, 15.9 yr report

HPOsFreeText: FVC z-score sitting 1.33 (116% pred), FVC z-score supine 1.2 (115% pred), 100% MRC Scale, 1040 CK U/l, 2.5 GAA activity (nmol/h/mg)^h from cultured fibroblasts

NotHPOsFreeText: No wheelchair used, No respiratory support

Case6: Male, 1 yr onset, 2 yr diagnosis, 8.2 yr report

CasePresentingHPOs: HP:0001371 (Contractures)

HPOsFreeText: Wheelchair partially used, FVC z-score sitting -3.47 (59% pred), FVC z-score supine -4.36 (48% pred), 79% MRC Scale, 3078 CK U/l, 4.5 GAA activity (nmol/h/mg)^h from cultured fibroblasts

NotHPOsFreeText: No respiratory support

Case14: Male, 7 yr onset, 10 yr diagnosis, 10.7 yr report

CasePresentingHPOs: HP:0002650 (Scoliosis)

HPOsFreeText: Wheelchair used, Respiratory support at night, FVC z-score sitting -2.22 (75% pred), 80% MRC Scale, 540 CK U/l, 8,9 GAA activity (nmol/h/mg)^h from cultured fibroblasts

Case17: Male, 13 yr onset, 14 yr diagnosis, 14.3 yr report

HPOsFreeText: FVC z-score sitting -1.68 (81% pred), FVC z-score supine -1.77 (80% pred), 95% MRC Scale, 2935 CK U/l, 6.2 GAA activity (nmol/h/mg)^h from cultured fibroblasts

NotHPOsFreeText: No wheelchair used, No respiratory support

Case10: Male, 2.5 yr onset, 3 yr diagnosis, 13 yr report

CasePresentingHPOs: HP:0001371 (Contractures)

HPOsFreeText: FVC z-score sitting -3.01 (66% pred), FVC z-score supine -4.09 (54% pred), 84% MRC Scale, 1960 CK U/l, 8.6 GAA activity (nmol/h/mg)^h from cultured fibroblasts

NotHPOsFreeText: No wheelchair used, No respiratory support

Case23: Female, 1 yr onset, 1.9 yr diagnosis, 12.5 yr report

CasePresentingHPOs: HP:0002650 (Scoliosis)

HPOsFreeText: Wheelchair used at 6 yr, Respiratory support used at 6 yr, 10% MRC Scale, 1381 CK U/l, Deficient GAA activity (nmol/h/mg)^h from cultured fibroblasts

DOI: 10.64898/2026.09.14.751545

Resource: Van Andel Institute Mass Spectrometry Core Facility (RRID:SCR_024903)

Curator: @scibot

SciCrunch record: RRID:SCR_024903

What is this?

DOI: 10.64898/2026.09.14.751545

Resource: RRID:Addgene_63120

Curator: @scibot

SciCrunch record: RRID:Addgene_63120

What is this?

DOI: 10.64898/2026.09.14.751545

Resource: University of Michigan Ann Arbor Natural Products Discovery Core Facility (RRID:SCR_023105)

Curator: @scibot

SciCrunch record: RRID:SCR_023105

What is this?

Case13: 56yo

CasePresentingHPOs: HP:0003325, HP:0002093, HP:0004887, HP:0020038

HPOsFreeText: GAA = 6.3%, BMI = 22.5, nucleo-capsular and subcortical white matter lacunes

CaseNotHPOs:

NotHPOsFreeText: No cardiovascular risk

CaseAddInfo: 24yr disease duration, variants in trans

CasePMIDs:

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant: NM_000152.4(GAA):c.-32-13T>G

Clinvar: 4027, https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: 0.003582, http://exac.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4(GAA):c.784G>A (p.Glu262Lys)

ClinVar: 188806, https://www.ncbi.nlm.nih.gov/clinvar/variation/188806/

gnomAD: 1.66e-05, http://exac.broadinstitute.org/variant/17-78081447-G-A

DOI: 10.64898/2026.09.14.751351

Resource: (Millipore Cat# MAB5374, RRID:AB_10055116)

Curator: @scibot

SciCrunch record: RRID:AB_10055116

What is this?

DOI: 10.64898/2026.09.13.751058

Resource: RRID:Addgene_62916

Curator: @scibot

SciCrunch record: RRID:Addgene_62916

What is this?

DOI: 10.64898/2026.09.13.751058

Resource: RRID:Addgene_201198

Curator: @scibot

SciCrunch record: RRID:Addgene_201198

What is this?

Patient8: Female

CasePresentingHPOs: HP:0004887, HP:0002194

HPOsFreeText: ERT dosage = 20 mg/kg/2 w, able to sit independently, reversal of HCM, CRIM positive

CaseNotHPOs:

NotHPOsFreeText:

CaseAddInfo: Symptom onset, diagnosis, and ERT at 4mo, ERT last for 54mo, ventilation required at 60 mo, died at 60mo

CasePMIDs: 14695532, 14972326

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant: NM_000152.4(GAA):c.1064T>C (p.Leu355Pro)

ClinVar: 284093, https://www.ncbi.nlm.nih.gov/clinvar/variation/284093/

gnomAD: 8.304e-06, http://exac.broadinstitute.org/variant/17-78082197-T-C

Patient10: Male

CasePresentingHPOs: HP:0002194, HP:0001522

HPOsFreeText: ERT dosage = 40 mg/kg/w, HCM reversal, CRIM positive

CaseNotHPOs: HP:0004887

NotHPOsFreeText:

CaseAddInfo: Symptom onset at 3w, diagnosis at 3mo, ERT at 5mo, ERT lasted for 5mo, died at 12mo

CasePMIDs: 22644586, 14695532

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant: NM_000152.4(GAA):c.655G>A (p.Gly219Arg)

ClinVar: 189065, https://www.ncbi.nlm.nih.gov/clinvar/variation/189065/

gnomAD: 1.666e-05, http://exac.broadinstitute.org/variant/17-78079656-G-A

Patient17: Female

CasePresentingHPOs: HP:0004887, HP:0003819

HPOsFreeText: ERT dosage = 20mg/kg/2w, able to sit, CRIM positive

CaseNotHPOs:

NotHPOsFreeText: no HCM reversal

CaseAddInfo: Symptom onset at 3mo, diagnosis at 6mo, ERT at 10mo, ERT lasted for 6mo, required ventilation at 26mo, died at 28mo

CasePMIDs: 22644586, 14695532

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant: NM_000152.4(GAA):c.655G>A (p.Gly219Arg)

ClinVar: 189065, https://www.ncbi.nlm.nih.gov/clinvar/variation/189065/

gnomAD: 1.666e-05, http://exac.broadinstitute.org/variant/17-78079656-G-A

Patient5: Female

CasePresentingHPOs: HP:0004887, HP:0002194, HP:0001522

HPOsFreeText: ERT dosage = 20 mg/kg/2 w, CRIM positive

CaseNotHPOs:

NotHPOsFreeText:

CaseAddInfo: Symptom onset at 2mo, diagnosis and ERT at 4mo, ERT lasted for 1mo, ventilation required at 3mo, died at 5mo, variants in trans

CasePMIDs: 21763167, 11738358

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant1: NM_000152.4(GAA):c.784G>A (p.Glu262Lys)

ClinVar: 188806, https://www.ncbi.nlm.nih.gov/clinvar/variation/188806/

gnomAD: 1.66e-05, http://exac.broadinstitute.org/variant/17-78081447-G-A

Variant2: NM_000152.4(GAA):c.1802C>T (p.Ser601Leu)

ClinVar: 194154, https://www.ncbi.nlm.nih.gov/clinvar/variation/194154/

gnomAD: 0.00003187, http://gnomad.broadinstitute.org/variant/17-78086424-C-T

Patient13: Female

CasePresentingHPOs:

HPOsFreeText: ERT dosage = 20mg/kg/2w, HCM reversal, CRIM positive, able to run and climb stairs, can speak well

CaseNotHPOs: HP:0004887, HP:0009046

NotHPOsFreeText:

CaseAddInfo: Symptom onset at 2mo, diagnosis at 6mo, ERT at 8mo, ERT lasted for 111mo, currently 10yo

CasePMIDs: 14695532, 14972326

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant: NM_000152.4(GAA):c.1064T>C (p.Leu355Pro)

ClinVar: 284093, https://www.ncbi.nlm.nih.gov/clinvar/variation/284093/

gnomAD: 8.304e-06, http://exac.broadinstitute.org/variant/17-78082197-T-C

DOI: 10.64898/2026.09.11.751045

Resource: RRID:Addgene_182377

Curator: @scibot

SciCrunch record: RRID:Addgene_182377

What is this?

DOI: 10.64898/2026.09.11.751045

Resource: RRID:Addgene_118209

Curator: @scibot

SciCrunch record: RRID:Addgene_118209

What is this?

DOI: 10.64898/2026.09.11.751045

Resource: RRID:Addgene_62988

Curator: @scibot

SciCrunch record: RRID:Addgene_62988

What is this?

DOI: 10.64898/2026.09.11.750913

Resource: RRID:Addgene_21915

Curator: @scibot

SciCrunch record: RRID:Addgene_21915

What is this?

Patient22: Male, 30 years report, 23 year onset

CasePresentingHPOs: HP:0001324, HP:0002098 (Muscle weakness, Respiratory distress)

HPOsFreeText: GAA activity 1.1% from leukocyte, Wheelchair needed

CaseNotHPOs: HP:0001640, HP:0002240 (Cardiomegaly, Hepatomegaly)

NotHPOsFreeText: Respiratory Assistance not needed

CaseAddInfo: LOPD

Patient28: Male, 70 year onset

CasePresentingHPOs: HP:0001324, HP:0002098 (Muscle weakness, Respiratory distress)

HPOsFreeText: GAA activity 6.7% from leukocyte, Respiratory Assistance needed

CaseNotHPOs: HP:0001640, HP:0002240 (Cardiomegaly, Hepatomegaly)

NotHPOsFreeText: Wheelchair not needed

CaseAddInfo: LOPD

Patient16: Female, 36 years report, 28 years onset

CasePresentingHPOs: HP:0001324 (Muscle weakness)

HPOsFreeText: GAA activity 1% from a dried blood spot

CaseNotHPOs: HP:0002098, HP:0002240, HP:0001640 (Respiratory distress, Hepatomegaly, Cardiomegaly)

NotHPOsFreeText: No wheelchair needed, Respiratory Assistance not needed

CaseAddInfo: LOPD

Patient32: Female, 19 years onset

CasePresentingHPOs: HP:0001640, HP:0001324, HP:0002098, HP:0002240, HP:0002910 (Cardiomegaly, Muscle weakness, Respiratory distress, Hepatomegaly, Abnormal liver function)

HPOsFreeText: Wheelchair needed, Respiratory Assistance needed

CaseAddInfo: LOPD

DOI: 10.64898/2026.09.10.750757

Resource: RRID:Addgene_86973

Curator: @scibot

SciCrunch record: RRID:Addgene_86973

What is this?

DOI: 10.64898/2026.09.10.750757

Resource: RRID:IMSR_JAX:040319

Curator: @scibot

SciCrunch record: RRID:IMSR_JAX:040319

What is this?

DOI: 10.64898/2026.09.10.750757

Resource: (IMSR Cat# JAX_029899,RRID:IMSR_JAX:029899)

Curator: @scibot

SciCrunch record: RRID:IMSR_JAX:029899

What is this?

DOI: 10.64898/2026.09.08.750063

Resource: RRID:Addgene_66700

Curator: @scibot

SciCrunch record: RRID:Addgene_66700

What is this?

Patient8: Female, 61yo

CasePresentingHPOs: HP:0000822, HP:0003077

HPOsFreeText: LOPD

CaseNotHPOs:

NotHPOsFreeText:

CaseAddInfo: 5yr follow-up MRI, 21yr disease duration, ERT lasted for 63mo

CasePMIDs: PMID: 25614309

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant1: NM_000152.4(GAA):c.-32-13T>G

Clinvar: 4027, https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: 0.003582, http://exac.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4(GAA):c.1478C>T (p.Pro493Leu)

ClinVar: 379593, https://www.ncbi.nlm.nih.gov/clinvar/variation/379593/

gnomAD: 0.00001416, http://gnomad.broadinstitute.org/variant/17-78084566-C-T

Patient5: Male, 52yo

CasePresentingHPOs: HP:0003077, HP:0000822

HPOsFreeText: LOPD

CaseNotHPOs:

NotHPOsFreeText:

CaseAddInfo: 15yr disease duration, ERT lasted for 63mo, 5yr follow-up MRI

CasePMIDs: PMID: 25614309

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant1: NM_000152.4(GAA):c.-32-13T>G

Clinvar: 4027, https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: 0.003582, http://exac.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4(GAA):c.1478C>T (p.Pro493Leu)

ClinVar: 379593, https://www.ncbi.nlm.nih.gov/clinvar/variation/379593/

gnomAD: 0.00001416, http://gnomad.broadinstitute.org/variant/17-78084566-C-T

Patient17: Male, 81yo

CasePresentingHPOs: HP:0003077, HP:0000822

HPOsFreeText: LOPD

CaseNotHPOs:

NotHPOsFreeText:

CaseAddInfo: 6yr disease duration, ERT lasted 37mo

CasePMIDs:

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant1: NM_000152.4(GAA):c.-32-13T>G

Clinvar: 4027, https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: 0.003582, http://exac.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4(GAA):c.925G>A (p.Gly309Arg)

ClinVar: 188797, https://www.ncbi.nlm.nih.gov/clinvar/variation/188797/

gnomAD: 0.00002860, http://gnomad.broadinstitute.org/variant/17-78081665-G-A

Patient9: Male, 64yo

CasePresentingHPOs: HP:0000822, HP:0000819, HP:0001513

HPOsFreeText: LOPD

CaseNotHPOs:

NotHPOsFreeText:

CaseAddInfo: 11yr disease duration, ERT lasted 14mo

CasePMIDs: PMID: 25614309

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant1: NM_000152.4(GAA):c.-32-13T>G

Clinvar: 4027, https://www.ncbi.nlm.nih.gov/clinvar/variation/4027/

gnomAD: 0.003582, http://exac.broadinstitute.org/variant/17-78078341-T-G

Variant2: NM_000152.4(GAA):c.925G>A (p.Gly309Arg)

ClinVar: 188797, https://www.ncbi.nlm.nih.gov/clinvar/variation/188797/

gnomAD: 0.00002860, http://gnomad.broadinstitute.org/variant/17-78081665-G-A

DOI: 10.64898/2026.09.02.746017

Resource: RRID:Addgene_105535

Curator: @scibot

SciCrunch record: RRID:Addgene_105535

What is this?

DOI: 10.64898/2026.09.02.746017

Resource: RRID:Addgene_107787

Curator: @scibot

SciCrunch record: RRID:Addgene_107787

What is this?

DOI: 10.64898/2026.05.28.728331

Resource: RRID:Addgene_24034

Curator: @scibot

SciCrunch record: RRID:Addgene_24034

What is this?

DOI: 10.64898/2026.05.09.723998

Resource: RRID:Addgene_17293

Curator: @scibot

SciCrunch record: RRID:Addgene_17293

What is this?

Patient6: Male, 36yo at diagnosis, 40yo at ERT

CasePresentingHPOs:

HPOsFreeText: anti rh-GAA antibodies titre = neg, enzyme (μmol/g/h) = 1.2 (2-10)

CaseNotHPOs:

NotHPOsFreeText: NIV and mobility aid not used

CaseAddInfo: 11yr disease duration

CasePMIDs:

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant: NM_000152.4(GAA):c.1437G>A (p.Lys479=)

ClinVar: 188044, https://www.ncbi.nlm.nih.gov/clinvar/variation/188044/

gnomAD: n/a

Patient15: Female, 48yo at diagnosis and ERT

CasePresentingHPOs:

HPOsFreeText: anti rh-GAA antibodies titre = 1:1600, enzyme (μmol/g/h) = 0.48 (3-20), NIV required only after ERT

CaseNotHPOs:

NotHPOsFreeText: mobility aid not required

CaseAddInfo: 33yr disease duration

CasePMIDs:

CasePreviousTesting: same as group

CaseGenotypingMethod: same as group

Variant: NM_000152.4(GAA):c.1437G>A (p.Lys479=)

ClinVar: 188044, https://www.ncbi.nlm.nih.gov/clinvar/variation/188044/