ClinVar Miner

Submissions for variant NM_000020.3(ACVRL1):c.1362del (p.Leu455fs)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Molecular Genetics, Royal Melbourne Hospital RCV003994730 SCV004812769 likely pathogenic Hereditary hemorrhagic telangiectasia 2023-03-30 criteria provided, single submitter clinical testing This sequence change in ACVRL1 is a frameshift variant predicted to cause a premature stop codon, p.(Leu455Trpfs*10), that is predicted to escape nonsense-mediated decay and remove <10% of the protein, however it is a truncation of a functionally important region (protein kinase domain) in a gene where loss-of-function is an established disease mechanism. This variant is absent from the population database gnomAD v2.1 and v3.1. To our knowledge, this variant has not been reported in the literature. This variant has been identified in an individual with a clinical diagnosis of hereditary haemorrhagic telangiectasia (Royal Melbourne Hospital). Based on the classification scheme RMH Modified ACMG Guidelines v1.5.1, this variant is classified as LIKELY PATHOGENIC. Following criteria are met: PVS1_Strong, PS4_Supporting, PM2_Supporting.

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