ClinVar Miner

Submissions for variant NM_000057.4(BLM):c.2086_2087del (p.Ser696fs)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV002423951 SCV002727813 pathogenic Hereditary cancer-predisposing syndrome 2021-09-16 criteria provided, single submitter clinical testing The c.2086_2087delAG pathogenic mutation, located in coding exon 8 of the BLM gene, results from a deletion of two nucleotides at nucleotide positions 2086 to 2087, causing a translational frameshift with a predicted alternate stop codon (p.S696Ffs*44). This alteration was identified in 0/2000 Australian breast or ovarian cancer patients and 1/1997 controls undergoing multigene panel testing for hereditary cancer risk (Thompson ER et al. J Clin Oncol, 2016 May;34:1455-9). This variant is considered to be rare based on population cohorts in the Genome Aggregation Database (gnomAD). Of note, this alteration is also designated as c.2084_2085del in published literature. In addition to the clinical data presented in the literature, this alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. As such, this alteration is interpreted as a disease-causing mutation.
Baylor Genetics RCV003475377 SCV004210908 likely pathogenic Bloom syndrome 2024-03-04 criteria provided, single submitter clinical testing

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