ClinVar Miner

Submissions for variant NM_005359.6(SMAD4):c.1088_1090del (p.Cys363del)

dbSNP: rs377767349
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV002428202 SCV002727843 likely pathogenic Familial thoracic aortic aneurysm and aortic dissection; Hereditary cancer-predisposing syndrome 2015-09-25 criteria provided, single submitter clinical testing The c.1088_1090delGTT variant (also known as p.C363del and del363C) is located in coding exon 8 of the SMAD4 gene. This variant results from an in-frame deletion of three nucleotides at positions 1088 to 1090. This results in the deletion of a cysteine residue between codons 362 and 364. In one study, c.1088_1090delGTT was detected in an individual with hereditary hemorrhagic telangiectasia and juvenile polyposis syndrome (Pyatt RE, J Mol Diagn 2006 Feb; 8(1):84-8). This variant was previously reported in the SNPDatabase as rs377767349. This variant was not reported in population-based cohorts in the following databases: NHLBI Exome Sequencing Project (ESP) and 1000 Genomes Project. In the ESP, this variant was not observed in 6,503 samples (13,006 alleles) with coverage at this position. This amino acid position is highly conserved in available vertebrate species. Based on the majority of available evidence to date, this variant is likely to be pathogenic.

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