ClinVar Miner

Submissions for variant NM_172351.3(CD46):c.857-1G>A

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Rady Children's Institute for Genomic Medicine, Rady Children's Hospital San Diego RCV003335959 SCV004046368 likely pathogenic Atypical hemolytic-uremic syndrome with MCP/CD46 anomaly criteria provided, single submitter clinical testing This variant affects the canonical splice acceptor site of intron 7 and is therefore predicted to interfere with splicing and result in loss of normal protein function through either protein truncation or nonsense-mediated mRNA decay (NMD). This variant has not been previously reported or functionally characterized in the literature to our knowledge. A nearby splice site variant (c.902-2A>G) has been reported in individuals with atypical hemolytic uremic syndrome (PMID: 25525159, 17089378, 16762990). Loss-of-function variation in CD46 is an established mechanism of disease (PMID: 20301541). The c.902-1G>A variant is present in the heterozygous state in the gnomAD population database at a frequency of 0.002% (7/282734) and thus is presumed to be rare. Based on the available evidence, the c.902-1G>A variant is classified as Likely Pathogenic.

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