ClinVar Miner

Submissions for variant NC_000019.9:g.(?_11071705)_(11152237_11168930)dup

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV005087732 SCV005726323 uncertain significance not specified 2024-11-14 criteria provided, single submitter clinical testing Variant summary: The variant involves the duplication of exons 1-31 in the SMARCA4 gene. A presumed nomenclature of c.(?_-177)_(4520+1_4521-1)dup has been designated for the purposes of this classification. The exact breakpoint at the 5' end of this variant is unknown, therefore this duplication may extend upstream of the annotated region of this gene. It is predicted to duplicate a segment including the initiation codon (which is located in exon 2), therefore its impact on the encoded protein is unknown. The variant was absent in 120696 control chromosomes in the gnomAD database (Structural Variants v4.1 dataset). The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. To our knowledge, no occurrence of c.(?_-177)_(4520+1_4521-1)dup in individuals affected with Coffin-Siris Syndrome and no experimental evidence demonstrating its impact on protein function have been reported. ClinVar contains an entry for a similar variant (Variation ID: 1410202). Based on the evidence outlined above, the variant was classified as uncertain significance.

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