ClinVar Miner

Submissions for variant NM_032043.3(BRIP1):c.3023dup (p.Leu1008fs)

dbSNP: rs2144091008
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV002027110 SCV002311191 likely pathogenic Familial cancer of breast; Fanconi anemia complementation group J 2020-12-15 criteria provided, single submitter clinical testing In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. This truncation affects the TopBP1-binding region (residues 1130-1153) of the BRIP1 protein. It is expected to disrupt the TopBP1-BRIP1 interaction that plays a critical role on RPA chromatin loading following DNA replication stress and the subsequent activation of the replication checkpoint in response to DNA damage (PMID: 20159562, 21127055). This variant has not been reported in the literature in individuals with BRIP1-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change creates a premature translational stop signal (p.Leu1008Phefs*8) in the BRIP1 gene. While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 242 amino acid(s) of the BRIP1 protein.

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