ClinVar Miner

Submissions for variant NM_000155.4(GALT):c.507+12C>T

gnomAD frequency: 0.00013  dbSNP: rs199572263
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV000780277 SCV000917414 uncertain significance not specified 2018-07-22 criteria provided, single submitter clinical testing Variant summary: GALT c.507+12C>T alters a non-conserved nucleotide located close to a canonical splice site and therefore could affect mRNA splicing, leading to a significantly altered protein sequence. 5/5 computational tools predict no significant impact on normal splicing. However, these predictions have yet to be confirmed by functional studies. The variant allele was found at a frequency of 0.00023 in 277144 control chromosomes (gnomAD). This frequency is not higher than expected for a pathogenic variant in GALT causing Galactosemia (0.00023 vs 0.0029), allowing no conclusion about variant significance. To our knowledge, no occurrence of c.507+12C>T in individuals affected with Galactosemia and no experimental evidence demonstrating its impact on protein function have been reported. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014. Based on the evidence outlined above, the variant was classified as uncertain significance.
Illumina Laboratory Services, Illumina RCV001168022 SCV001330575 uncertain significance Deficiency of UDPglucose-hexose-1-phosphate uridylyltransferase 2018-01-13 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.
Invitae RCV001168022 SCV002406781 benign Deficiency of UDPglucose-hexose-1-phosphate uridylyltransferase 2024-01-25 criteria provided, single submitter clinical testing

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