ClinVar Miner

Submissions for variant NM_000080.4(CHRNE):c.1055G>T (p.Arg352Leu)

dbSNP: rs764744220
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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 RCV000701043 SCV000829825 uncertain significance Congenital myasthenic syndrome 4A 2022-06-27 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with leucine, which is neutral and non-polar, at codon 352 of the CHRNE protein (p.Arg352Leu). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with CHRNE-related conditions. ClinVar contains an entry for this variant (Variation ID: 578125). 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 CHRNE protein function. 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.
GeneDx RCV001771988 SCV002002353 uncertain significance not provided 2020-07-17 criteria provided, single submitter clinical testing Not observed in large population cohorts (Lek et al., 2016); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge
Mayo Clinic Laboratories, Mayo Clinic RCV001771988 SCV005412609 uncertain significance not provided 2024-03-05 criteria provided, single submitter clinical testing
Natera, Inc. RCV001825378 SCV002093393 uncertain significance Congenital myasthenic syndrome 2020-11-06 no assertion criteria provided clinical testing

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