ClinVar Miner

Submissions for variant NM_002016.2(FLG):c.9033C>A (p.Tyr3011Ter)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Pittsburgh Clinical Genomics Laboratory, University of Pittsburgh Medical Center RCV004784990 SCV005397334 likely pathogenic Ichthyosis vulgaris 2023-08-17 criteria provided, single submitter clinical testing This sequence variant is a single nucleotide substitution (C>A) at coding nucleotide position 9033 in the FLG gene which changes the Tyr2687 codon to an early termition sigl. Due to sequence homology of several fillagrin repeat domains within the FLG gene, this variant was not able to be confirmed with Sanger confirmation; this variant might instead lie at chr1:152279301 (FLG:c.8061C>A). Either variant is expected to truncate the FLG-encoded profilaggrin protein, thereby disrupting C termil domain; loss of the C termil domain prevents processing profilaggrin into filaggrin monomers, generating a loss of function variant (PMID: 17417636, 22071473). This variant has not been previously reported in medical genetics databases or literature in individuals with FLG-related disease, to our knowledge. This variant is absent from the he gnomAD control population dataset (0/~105000 alleles). Given the available information, we consider this variant to be likely pathogenic. ACMG Criteria: BS4, PM2, PVS1

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