ClinVar Miner

Submissions for variant NM_007294.3(BRCA1):c.671-8A>G (rs80358144)

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Total submissions: 6
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000123888 SCV000167233 benign not specified 2013-12-30 criteria provided, single submitter clinical testing This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease.
Invitae RCV000199853 SCV000252822 benign Hereditary breast and ovarian cancer syndrome 2017-06-07 criteria provided, single submitter clinical testing
Color RCV000580371 SCV000683345 benign Hereditary cancer-predisposing syndrome 2016-10-12 criteria provided, single submitter clinical testing
Integrated Genetics/Laboratory Corporation of America RCV000588347 SCV000699288 benign not provided 2016-03-26 criteria provided, single submitter clinical testing Variant Summary: The c.671-8A>G variant involves the alteration of a non-conserved nucleotide resulting in an intronic change. This variant is located at a position that is not widely known to affect splicing, 3/5 splicing prediction programs via Alamut predict no significant effect on splicing, and mutation taster predicts the variant to be a polymorphism. The variant was observed in the large and broad cohorts of the ExAC project at an allele frequency of 0.012%, predominantly observed in the East Asian subpopulation at a frequency of 0.18%. This frequency exceeds the maximal expected allele frequency for a pathogenic variant in BRCA1 (0.10%), suggesting this is a benign polymorphism found primarily in population(s) of East Asian origin. The variant has been reported in multiple databases to co-occur in individuals with pathogenic BRCA1 variants including two patients with c.2296_2297delAG, p.Ser766X (UMD), one patient with c.68_69delAG, p.Glu23ValfsX17 (UMD), and one patient with c.188T>A, p.Leu63Ter (BIC). Taken together, the multiple co-occurrences with pathogenic variants along with the intronic nature of the variant and the relatively high frequency in the East Asian population, this variant was classified as Benign.
Counsyl RCV000112769 SCV000785272 uncertain significance Breast-ovarian cancer, familial 1 2017-06-23 criteria provided, single submitter clinical testing
Breast Cancer Information Core (BIC) (BRCA1) RCV000112769 SCV000145661 uncertain significance Breast-ovarian cancer, familial 1 2004-02-20 no assertion criteria provided clinical testing

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