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Hereditary hemorrhagic telangiectasia prevalence estimates calculated from gnomAD allele frequencies of predicted pathogenic variants in ENG and ACVRL1

2024-12-24 genetic and genomic medicine Title + abstract only
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BackgroundHereditary hemorrhagic telangiectasia (HHT) is considered a fully penetrant autosomal dominant disorder characterized by the development of arteriovenous malformations. Up to 96% of HHT cases are caused by heterozygous loss-of-function mutations in ACVRL1 or ENG, which encode proteins that function in bone morphogenetic protein signaling. HHT prevalence is estimated at 1 in 5000 and is accordingly classified as rare. However, HHT is suspected to be underdiagnosed due to variable age of...

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