ClinVar Miner

Submissions for variant NM_007294.3(BRCA1):c.4097-15T>C (rs1060504586)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000466928 SCV000560299 likely benign Hereditary breast and ovarian cancer syndrome 2017-09-22 criteria provided, single submitter clinical testing
GeneDx RCV000481417 SCV000572549 uncertain significance not provided 2018-05-07 criteria provided, single submitter clinical testing This apparently homozygous variant is denoted BRCA1 c.4097-15T>C or IVS10-15T>C and consists of a T>C nucleotide substitution at the -15 position of intron 10 of the BRCA1 gene. Using alternate nomenclature, this variant would be defined as BRCA1 4216-15T>C. In silico analysis, which includes splice predictors and evolutionary conservation, supports that this variant does not alter protein structure/function, and no splicing defect was identified on RT-PCR analysis by Thomassen et al. (2012). However, it was reported to segregate with breast cancer diagnoses in at least one family, and multifactorial likelihood analyses incorporating these data and co-occurrence information resulted in classification as a variant of uncertain significance (Thomassen 2012, Vallee 2016). This variant was not observed in large population cohorts (Lek 2016). Based on currently available evidence, it is unclear whether BRCA1 c.4097-15T>C is a pathogenic or benign variant. We consider it to be a variant of uncertain significance.

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