ClinVar Miner

Submissions for variant NC_000017.10:g.(?_17116969)_(17117180_?)del

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001388765 SCV001589887 pathogenic Birt-Hogg-Dube syndrome 2022-08-21 criteria provided, single submitter clinical testing This variant is a gross deletion of the genomic region encompassing exon(s) 14 of the FLCN gene, which includes the termination codon. This deletion extends beyond the assayed region for this gene and therefore may encompass additional genes. While this deletion is not anticipated to lead to nonsense mediated decay, it is expected to alter mRNA translation or result in a truncated protein product. A similar copy number variant has been observed in individuals with features of Birt-Hogg-Dube syndrome (PMID: 20413710, 24393238, 27229674). This variant disrupts the FNIP1/2 interaction domain, which has been shown to be important for AMPK-mediated mTOR signaling pathways (PMID: 17028174, 18403135, 18663353, 22977732). While functional studies have not been performed to directly test the effect of this variant on FLCN protein function, this suggests that disruption of this region of the protein may be causative of disease. This variant disrupts a region of the FLCN protein in which other variant(s) (p.Arg527*, p.Gln533*) have been determined to be pathogenic (PMID: 15852235, 17028174, 18403135, 18663353, 19802896, 22977732; Invitae). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. For these reasons, this variant has been classified as Pathogenic.

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