ClinVar Miner

Submissions for variant NM_000136.3(FANCC):c.521+10_521+13del

gnomAD frequency: 0.00001  dbSNP: rs1372625836
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000630997 SCV000751977 likely benign Fanconi anemia 2023-12-03 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV001731821 SCV001983402 uncertain significance not specified 2021-09-02 criteria provided, single submitter clinical testing Variant summary: FANCC c.521+10_521+13delAAAC alters a nucleotide located close to a canonical splice site and therefore could affect mRNA splicing, leading to a significantly altered protein sequence. 4/4 computational tools predict no significant impact on normal splicing. However, these predictions have yet to be confirmed by functional studies. The variant allele was found at a frequency of 7.9e-06 in 252656 control chromosomes (gnomAD and publication data). The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. c.521+10_521+13delAAAC has been reported in the literature in two individuals affected with esophageal squamous cell carcinoma (Akbari_2011). The report does not provide unequivocal conclusions about association of the variant with Fanconi Anemia Group C. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. One ClinVar submitter (evaluation after 2014) cites the variant as likely benign. Based on the evidence outlined above, the variant was classified as uncertain significance.

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