ClinVar Miner

Submissions for variant NM_007294.4(BRCA1):c.1258G>T (p.Asp420Tyr)

gnomAD frequency: 0.00001  dbSNP: rs80357488
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Total submissions: 9
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000047396 SCV000075409 likely benign Hereditary breast ovarian cancer syndrome 2023-12-13 criteria provided, single submitter clinical testing
GeneDx RCV001284387 SCV000209922 likely benign not provided 2018-10-12 criteria provided, single submitter clinical testing This variant is associated with the following publications: (PMID: 16518693, 22753008, 17924331, 21990134, 29161300, 33087888)
Ambry Genetics RCV000222994 SCV000276775 likely benign Hereditary cancer-predisposing syndrome 2019-03-13 criteria provided, single submitter clinical testing This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.
Color Diagnostics, LLC DBA Color Health RCV000222994 SCV000688324 likely benign Hereditary cancer-predisposing syndrome 2017-07-21 criteria provided, single submitter clinical testing
Mendelics RCV000047396 SCV000839290 benign Hereditary breast ovarian cancer syndrome 2023-08-22 criteria provided, single submitter clinical testing
Quest Diagnostics Nichols Institute San Juan Capistrano RCV001284387 SCV001470158 likely benign not provided 2022-11-01 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV002509191 SCV002819933 uncertain significance not specified 2022-12-31 criteria provided, single submitter clinical testing Variant summary: BRCA1 c.1258G>T (p.Asp420Tyr) results in a non-conservative amino acid change located in the BRCA1, serine-rich domain (IPR025994) of the encoded protein sequence. Three of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 2.4e-05 in 250814 control chromosomes. The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. c.1258G>T has been reported in the literature as a VUS in individuals affected with Breast and/or Ovarian Cancer (example, Alemar_2017). These report(s) do not provide unequivocal conclusions about association of the variant with Hereditary Breast And Ovarian Cancer Syndrome. Multifactorial probability models have predicted a neutral/benign (not pathogenic) IARC class 1 outcome for this variant (example, Lindor_2012). To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. Six clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation. Multiple laboratories reported the variant with conflicting assessments (LB, n=4; VUS, n=2). Based on the evidence outlined above, the variant was classified as VUS-possibly benign.
University of Washington Department of Laboratory Medicine, University of Washington RCV000222994 SCV003846064 likely benign Hereditary cancer-predisposing syndrome 2023-03-23 criteria provided, single submitter curation Missense variant in a coldspot region where missense variants are very unlikely to be pathogenic (PMID:31911673).
Breast Cancer Information Core (BIC) (BRCA1) RCV000111575 SCV000144042 uncertain significance Breast-ovarian cancer, familial, susceptibility to, 1 2004-02-20 no assertion criteria provided clinical testing

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