ClinVar Miner

Submissions for variant NM_001008212.2(OPTN):c.263T>C (p.Ile88Thr)

gnomAD frequency: 0.00006  dbSNP: rs760492259
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV001560015 SCV001782345 uncertain significance not provided 2018-12-07 criteria provided, single submitter clinical testing In silico analysis, which includes protein predictors and evolutionary conservation, supports that this variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge
Labcorp Genetics (formerly Invitae), Labcorp RCV001882650 SCV002221469 uncertain significance Primary open angle glaucoma; Amyotrophic lateral sclerosis type 12; Glaucoma 1, open angle, E 2024-01-23 criteria provided, single submitter clinical testing This sequence change replaces isoleucine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 88 of the OPTN protein (p.Ile88Thr). This variant is present in population databases (rs760492259, gnomAD 0.04%). This missense change has been observed in individual(s) with primary open angle glaucoma (POAG) (PMID: 16148883). This variant is also known as c.573T>C. ClinVar contains an entry for this variant (Variation ID: 1196529). 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 OPTN protein function with a negative predictive value of 80%. 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.

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