ClinVar Miner

Submissions for variant NM_006206.6(PDGFRA):c.295A>G (p.Thr99Ala)

dbSNP: rs1265201159
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001041203 SCV001204805 uncertain significance Gastrointestinal stromal tumor 2023-09-10 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. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt PDGFRA protein function. ClinVar contains an entry for this variant (Variation ID: 839446). This variant has not been reported in the literature in individuals affected with PDGFRA-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces threonine, which is neutral and polar, with alanine, which is neutral and non-polar, at codon 99 of the PDGFRA protein (p.Thr99Ala).
Ambry Genetics RCV003160272 SCV003912512 uncertain significance Hereditary cancer-predisposing syndrome 2023-10-27 criteria provided, single submitter clinical testing The c.295A>G (p.T99A) alteration is located in exon 3 (coding exon 2) of the PDGFRA gene. This alteration results from a A to G substitution at nucleotide position 295, causing the threonine (T) at amino acid position 99 to be replaced by an alanine (A). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.
Baylor Genetics RCV004570132 SCV005055140 uncertain significance Polyps, multiple and recurrent inflammatory fibroid, gastrointestinal 2024-03-20 criteria provided, single submitter clinical testing
GeneDx RCV004590040 SCV005081217 uncertain significance not provided 2023-10-19 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge

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