ClinVar Miner

Submissions for variant NC_000012.12:g.(?_51913089)_(51916243_?)del

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001032466 SCV001195773 pathogenic Telangiectasia, hereditary hemorrhagic, type 2 2019-11-15 criteria provided, single submitter clinical testing This variant is an in-frame deletion of the genomic region encompassing exons 3-8 of the ACVRL1 gene. It preserves the integrity of the reading frame. This variant has been observed to segregate with hereditary haemorraghic telangiectasia (HHT) in a family (PMID: 23653583) and detected in an unrelated individuals with HHT (PMID: 16690726, 20414677). This variant affects a cysteine residue located within the ACVRL1 protein ectodomain. Cysteine residues in this domain of ACVRL1 are involved in the formation of disulfide bridges critical for protein structure and stability (PMID: 22028876, 22718755, 22799562). In addition, missense substitutions within the ACVRL1 ectodomain affecting cysteine residues are overrepresented in patients with HHT (PMID: 20501893, 26176610 and www.hhtmutation.org). For these reasons, this variant has been classified as Pathogenic.

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