ClinVar Miner

Submissions for variant NM_000057.4(BLM):c.1883-19A>G

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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 RCV002899600 SCV003241826 uncertain significance Bloom syndrome 2022-03-02 criteria provided, single submitter clinical testing This sequence change falls in intron 7 of the BLM gene. It does not directly change the encoded amino acid sequence of the BLM protein. RNA analysis indicates that this variant induces altered splicing and likely results in a shortened protein product. This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with BLM-related conditions. Studies have shown that this variant results in skipping of exon 8, but is expected to preserve the integrity of the reading-frame (Invitae). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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