ClinVar Miner

Submissions for variant NM_000059.4(BRCA2):c.8099del (p.Ile2700fs)

dbSNP: rs2137580749
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV001825133 SCV002074448 likely pathogenic Hereditary breast ovarian cancer syndrome 2022-01-27 criteria provided, single submitter clinical testing Variant summary: BRCA2 c.8099delT (p.Ile2700AsnfsX33) results in a premature termination codon, predicted to cause a truncation of the encoded protein or absence of the protein due to nonsense mediated decay, which are commonly known mechanisms for disease. Truncations downstream of this position have been classified as pathogenic by our laboratory. The variant was absent in 251356 control chromosomes (gnomAD). To our knowledge, no occurrence of c.8099delT in individuals affected with Hereditary Breast And Ovarian Cancer Syndrome and no experimental evidence demonstrating its impact on protein function have been reported. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014. Based on the evidence outlined above, the variant was classified as likely pathogenic.
Labcorp Genetics (formerly Invitae), Labcorp RCV001825133 SCV002234768 pathogenic Hereditary breast ovarian cancer syndrome 2021-11-20 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal (p.Ile2700Asnfs*33) in the BRCA2 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in BRCA2 are known to be pathogenic (PMID: 20104584). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with BRCA2-related conditions. For these reasons, this variant has been classified as Pathogenic.

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