ClinVar Miner

Submissions for variant NM_001370259.2(MEN1):c.725C>T (p.Ala242Val)

dbSNP: rs2136141530
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001378938 SCV001576639 likely pathogenic Multiple endocrine neoplasia, type 1 2025-01-26 criteria provided, single submitter clinical testing This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 242 of the MEN1 protein (p.Ala242Val). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individuals with clinical features of multiple endocrine neoplasia type 1 (PMID: 9215689; internal data). ClinVar contains an entry for this variant (Variation ID: 1067621). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is expected to disrupt MEN1 protein function with a positive predictive value of 95%. Experimental studies have shown that this missense change affects MEN1 function (PMID: 9989505, 20404349, 20639902, 21264250, 22275377, 22327296, 23580576). 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.
Laboratory of Molecular and Cytogenetics, Department of Anatomy, All India Institute of Medical Sciences (AIIMS) RCV001378938 SCV003930406 pathogenic Multiple endocrine neoplasia, type 1 2023-04-10 criteria provided, single submitter clinical testing

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