ClinVar Miner

Submissions for variant NM_000059.3(BRCA2):c.5201_5205delinsGAAAAG (p.Glu1734fs) (rs483353082)

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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Evidence-based Network for the Interpretation of Germline Mutant Alleles (ENIGMA) RCV000661398 SCV000783672 pathogenic Breast-ovarian cancer, familial 2 2017-12-15 reviewed by expert panel curation Variant allele predicted to encode a truncated non-functional protein.
Integrated Genetics/Laboratory Corporation of America RCV000781038 SCV000918810 likely pathogenic Hereditary breast and ovarian cancer syndrome 2018-04-20 criteria provided, single submitter clinical testing Variant summary: BRCA2 c.5201_5205delinsGAAAAG (p.Glu1734GlyfsX9) 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 (eg. c.5213_5216delCTTA, p.Thr1738fsX2; c.5217_5223delTTTAAGT, p.Tyr1739X; c.5238dupT, p.Asn1747X). The variant was absent in 273414 control chromosomes (gnomAD). To our knowledge, no occurrence of c.5201_5205delinsGAAAAG in individuals affected with Hereditary Breast and Ovarian Cancer and no experimental evidence demonstrating its impact on protein function have been reported. One clinical diagnostic laboratory has submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation and classified the variant as pathogenic. Based on the evidence outlined above, the variant was classified as likely pathogenic.
Quest Diagnostics Nichols Institute San Juan Capistrano RCV000507387 SCV000600633 pathogenic not provided 2017-02-11 criteria provided, single submitter clinical testing

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