ClinVar Miner

Submissions for variant NM_138413.4(HOGA1):c.448C>T (p.Leu150Phe)

gnomAD frequency: 0.00004  dbSNP: rs745919223
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Laboratory Services, Illumina RCV001104498 SCV001261371 uncertain significance Primary hyperoxaluria type 3 2018-01-12 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease.
Fulgent Genetics, Fulgent Genetics RCV001104498 SCV002788169 uncertain significance Primary hyperoxaluria type 3 2022-04-13 criteria provided, single submitter clinical testing
Invitae RCV002556070 SCV003470357 pathogenic not provided 2024-01-27 criteria provided, single submitter clinical testing This sequence change replaces leucine, which is neutral and non-polar, with phenylalanine, which is neutral and non-polar, at codon 150 of the HOGA1 protein (p.Leu150Phe). This variant is present in population databases (rs745919223, gnomAD 0.09%). This missense change has been observed in individual(s) with autosomal recessive primary hyperoxaluria (Invitae). ClinVar contains an entry for this variant (Variation ID: 878141). 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 expected to disrupt HOGA1 protein function with a positive predictive value of 95%. For these reasons, this variant has been classified as Pathogenic.

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