ClinVar Miner

Submissions for variant NM_007294.4(BRCA1):c.267C>G (p.Ile89Met)

gnomAD frequency: 0.00001  dbSNP: rs80356963
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Total submissions: 6
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000047926 SCV000075939 likely benign Hereditary breast ovarian cancer syndrome 2024-02-01 criteria provided, single submitter clinical testing
Ambry Genetics RCV000223325 SCV000277041 likely benign Hereditary cancer-predisposing syndrome 2019-04-15 criteria provided, single submitter clinical testing This alteration is classified as likely benign based on a combination of the following: 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.
Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital RCV003493428 SCV004242852 likely benign not specified 2024-02-06 criteria provided, single submitter clinical testing
Color Diagnostics, LLC DBA Color Health RCV000223325 SCV004361126 uncertain significance Hereditary cancer-predisposing syndrome 2022-10-18 criteria provided, single submitter clinical testing This missense variant replaces isoleucine with methionine at codon 89 of the BRCA1 protein. Computational prediction is inconclusive regarding the impact of this variant on protein structure and function (internally defined REVEL score threshold 0.5 < inconclusive < 0.7, PMID: 27666373). Functional studies have reported that this variant does not impact BRCA1 function in a homology-directed DNA repair and a haploid cell proliferation assay (PMID: 25823446, 30209399). This variant has been detected in a breast cancer case-control meta-analysis in 1/60466 cases and 1/53461 unaffected individuals (PMID: 33471991; Leiden Open Variation Database DB-ID BRCA1_006583). A multifactorial analysis has reported likelihood ratios for pathogenicity based on co-occurrence and family history of 1.1768 and 0.9148, respectively (PMID: 31131967). This variant has been identified in 1/31394 chromosomes in the general population by the Genome Aggregation Database (gnomAD). Although there is a suspicion that this variant may not be associated with disease, additional clinical studies are necessary to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.
Breast Cancer Information Core (BIC) (BRCA1) RCV000112171 SCV000144859 uncertain significance Breast-ovarian cancer, familial, susceptibility to, 1 2004-11-25 no assertion criteria provided clinical testing
Brotman Baty Institute, University of Washington RCV000112171 SCV001238183 not provided Breast-ovarian cancer, familial, susceptibility to, 1 no assertion provided in vitro

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