ClinVar Miner

Submissions for variant NM_007294.4(BRCA1):c.1508A>G (p.Lys503Arg)

gnomAD frequency: 0.00001  dbSNP: rs62625304
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Total submissions: 8
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000195388 SCV000075515 likely benign Hereditary breast ovarian cancer syndrome 2023-11-14 criteria provided, single submitter clinical testing
Ambry Genetics RCV000132145 SCV000187216 likely benign Hereditary cancer-predisposing syndrome 2019-01-17 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.
GeneDx RCV000047502 SCV000210103 uncertain significance not provided 2020-10-30 criteria provided, single submitter clinical testing Observed in at least one individual with ovarian cancer (Alsop 2012); Not observed at a significant frequency in large population cohorts (Lek 2016); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Also known as c.1627A>G; This variant is associated with the following publications: (PMID: 15235020, 16267036, 22711857, 16518693, 23704879, 31131967)
Counsyl RCV000111633 SCV000785209 uncertain significance Breast-ovarian cancer, familial, susceptibility to, 1 2017-06-02 criteria provided, single submitter clinical testing
Color Diagnostics, LLC DBA Color Health RCV000132145 SCV000909379 likely benign Hereditary cancer-predisposing syndrome 2018-01-25 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV000780972 SCV000918673 uncertain significance not specified 2017-10-23 criteria provided, single submitter clinical testing Variant summary: The BRCA1 c.1508A>G (p.Lys503Arg) variant involves the alteration of a non-conserved nucleotide located in the BRCA1 nuclear localization signal 1 (NLS1) (Fabbro 2002). 2/4 in silico tools predict a benign outcome for this variant (SNPsandGO not captured due to low reliability index). One study based on evolutionary comparative analyses predicted a benign role of the variant (Burk-Herrick 2005), although functional studies have not confirmed this prediction. This variant was found in 3/245882 control chromosomes (gnomAD) at a frequency of 0.0000122, which does not exceed the estimated maximal expected allele frequency of a pathogenic BRCA1 variant (0.0010005). The variant was observed in at least one individual with ovarian cancer (Alsop 2012) and also has been reported in affected individual(s) from HBOC families (Judkins 2005), however limited information was provided (i.e. no co-segregation data were included) so the causal link between the variant and disease could not be independently validated. In addition, multiple clinical diagnostic laboratories/reputable databases classified this variant as uncertain significance. Taken together, this variant is classified as VUS, until additional information becomes available.
University of Washington Department of Laboratory Medicine, University of Washington RCV000132145 SCV003851249 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) RCV000111633 SCV000144115 uncertain significance Breast-ovarian cancer, familial, susceptibility to, 1 2004-02-20 no assertion criteria provided clinical testing

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