ClinVar Miner

Submissions for variant NM_000144.5(FXN):c.482+1G>T

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Diagnostics Services (NGS), CSIR - Centre For Cellular And Molecular Biology RCV004720565 SCV005326538 likely pathogenic Friedreich ataxia 1 2024-08-02 criteria provided, single submitter clinical testing The c.482+1G>T variant is not present in 1000 Genomes, EVS, ExAC, gnomAD, Indian Exome Database or our in-house exome database. This variant has neither been published in literature in individuals affected with FXN-related conditions nor reported to the clinical databases like ClinVar, Human Genome Mutation Database (HGMD) or OMIM, in any affected individuals. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant can disrupt the consensus splice site. In-silico pathogenicity prediction programs like HSF3.1, MutationTaster2, CADD, Varsome, Franklin, etc predicted this variant to be likely deleterious by affecting mRNA splicing and possible exon skipping, however these predictions were not confirmed by published translational studies. This individual also harbours one copy of an expanded trinucleotide repeat allele in the FXN gene.

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