Somatic Mutations in the Angiopoietin-Receptor TIE2 Can Cause Both Solitary and Multiple Sporadic Venous Malformations
[Paper-level Aggregated] PMCID: PMC2670982
Evidence Type(s): Oncogenic, Functional
Justification: Oncogenic: The presence of somatic mutations, including L914F, which cause ligand-independent hyperphosphorylation and abnormal cellular responses, indicates a role in tumorigenesis related to venous malformations. Functional: The L914F mutation demonstrated abnormal localization and response to ligand when overexpressed in HUVECs, indicating a functional alteration in the receptor's activity.
Gene→Variant (gene-first): ANGPT1(284):L914F TEK(7010):R849W
Genes: ANGPT1(284) TEK(7010)
Variants: L914F R849W