ClinVar Miner

Submissions for variant NM_001458.5(FLNC):c.6398G>A (p.Arg2133His)

gnomAD frequency: 0.00001  dbSNP: rs1808925531
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001219264 SCV001391192 uncertain significance Myofibrillar myopathy 5; Distal myopathy with posterior leg and anterior hand involvement; Hypertrophic cardiomyopathy 26; Dilated Cardiomyopathy, Dominant 2022-05-24 criteria provided, single submitter clinical testing Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). Experimental studies have shown that this missense change affects FLNC function (PMID: 25351925). This variant disrupts the p.Arg2133 amino acid residue in FLNC. Other variant(s) that disrupt this residue have been observed in individuals with FLNC-related conditions (PMID: 30411535), which suggests that this may be a clinically significant amino acid residue. 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. This sequence change replaces arginine, which is basic and polar, with histidine, which is basic and polar, at codon 2133 of the FLNC protein (p.Arg2133His). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with hypertrophic cardiomyopathy (PMID: 25351925, 30418145). ClinVar contains an entry for this variant (Variation ID: 948079).
GeneDx RCV001751417 SCV001986269 uncertain significance not provided 2023-09-20 criteria provided, single submitter clinical testing Not observed in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; In vitro functional studies demonstrate this variant results in protein aggregation in H9C2 rat cardiac myoblasts; nevertheless, it is unclear how these studies may translate to a pathogenic role in vivo; This variant is associated with the following publications: (PMID: 28356264, 25351925)

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