ClinVar Miner

Submissions for variant NM_005026.5(PIK3CD):c.371G>A (p.Gly124Asp)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV003583619 SCV004291234 likely pathogenic Immunodeficiency 14 2024-01-02 criteria provided, single submitter clinical testing This sequence change replaces glycine, which is neutral and non-polar, with aspartic acid, which is acidic and polar, at codon 124 of the PIK3CD protein (p.Gly124Asp). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individuals with clinical features of activated PI3K-delta syndrome (PMID: 28414062, 28428270, 32888943). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. Experimental studies have shown that this missense change affects PIK3CD function (PMID: 28414062). In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic.

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