ClinVar Miner

Submissions for variant NM_007294.4(BRCA1):c.302-5T>C

dbSNP: rs778668665
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000218881 SCV000274541 likely benign Hereditary cancer-predisposing syndrome 2023-11-17 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 RCV000218881 SCV001348057 likely benign Hereditary cancer-predisposing syndrome 2020-03-04 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV001193803 SCV001362921 uncertain significance not specified 2019-10-24 criteria provided, single submitter clinical testing Variant summary: BRCA1 c.302-5T>C alters a non-conserved nucleotide located close to a canonical splice site and therefore could affect mRNA splicing, leading to a significantly altered protein sequence. Several computational tools predict a significant impact on normal splicing: Four predict the variant to slightly weaken a 3' acceptor site. However, the variant was shown to have no impact on splicing based on patient mRNA (Leman_2018, Gelli_2019). The variant was absent in 250406 control chromosomes (gnomAD). The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. c.302-5T>C has been reported in the literature in an individual affected with Hereditary Breast and Ovarian Cancer (Manguoglu_2010). This report does not provide an unequivocal conclusion about association of the variant with Hereditary Breast and Ovarian Cancer. A ClinVar submission (evaluation after 2014) cites the variant as uncertain significance. Based on the evidence outlined above, the variant was classified as a VUS - possibly benign variant.
Invitae RCV002057189 SCV002417483 likely benign Hereditary breast ovarian cancer syndrome 2023-12-11 criteria provided, single submitter clinical testing
Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital RCV001193803 SCV002551061 likely benign not specified 2023-08-15 criteria provided, single submitter clinical testing

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