ClinVar Miner

Submissions for variant NM_003000.3(SDHB):c.643-1G>A

dbSNP: rs1553177292
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000563620 SCV000664571 likely pathogenic Hereditary cancer-predisposing syndrome 2018-03-20 criteria provided, single submitter clinical testing The c.643-1G>A intronic variant results from a G to A substitution one nucleotide upstream from coding exon 7 of the SDHB gene. This nucleotide position is highly conserved in available vertebrate species. Using the BDGP and ESEfinder splice site prediction tools, this alteration is predicted to abolish the native splice acceptor site; however, direct evidence is unavailable. Alterations that disrupt the canonical splice site are expected to cause aberrant splicing, resulting in an abnormal protein or a transcript that is subject to nonsense-mediated mRNA decay. As such, this alteration is classified as likely pathogenic.
Myriad Genetics, Inc. RCV004024463 SCV004930801 likely pathogenic Paragangliomas 4 2024-02-08 criteria provided, single submitter clinical testing This variant is considered likely pathogenic. This variant occurs within a consensus splice junction and is predicted to result in abnormal mRNA splicing of either an out-of-frame exon or an in-frame exon necessary for protein stability and/or normal function.

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