ClinVar Miner

Submissions for variant NM_177438.3(DICER1):c.3653C>T (p.Ser1218Phe)

dbSNP: rs1197755223
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001213975 SCV001385637 uncertain significance DICER1-related tumor predisposition 2019-08-07 criteria provided, single submitter clinical testing 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. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with DICER1-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces serine with phenylalanine at codon 1218 of the DICER1 protein (p.Ser1218Phe). The serine residue is weakly conserved and there is a large physicochemical difference between serine and phenylalanine.
Ambry Genetics RCV003294032 SCV003997992 uncertain significance Hereditary cancer-predisposing syndrome 2023-04-16 criteria provided, single submitter clinical testing The p.S1218F variant (also known as c.3653C>T), located in coding exon 20 of the DICER1 gene, results from a C to T substitution at nucleotide position 3653. The serine at codon 1218 is replaced by phenylalanine, an amino acid with highly dissimilar properties. This amino acid position is conserved. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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