ClinVar Miner

Submissions for variant NM_002437.5(MPV17):c.277C>T (p.Gln93Ter)

dbSNP: rs1679496794
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Dr. Faghihi's Medical Genetic Center RCV001268962 SCV001426405 pathogenic Mitochondrial DNA depletion syndrome 6 (hepatocerebral type) criteria provided, single submitter clinical testing An infant affected by mitochondrial DNA depletion syndrome (MDS) was identified with a novel Q93X (c.277C>T) mutation in the MPV17 gene (Mahjoub et al.2019). The Q93X nonsense mutation is a conservative change and prediction of the 3D protein structure using I-TASSER server, revealed structural alterations. Current premature termination codon might result in protein truncation or the resultant mRNA might be targeted by nonsense-mediated decay mechanism. The allele frequency related to this variant was not seen in local population database (BayanGene database with 3500 Iranian samples) and other available population databases such as gnomAD and ExAC. Based on the mentioned evidence, it can be concluded that the variant was classified as pathogenic. (doi.org/10.1186/s12881-019-0893-9)

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