ClinVar Miner

Submissions for variant NM_001151.4(SLC25A4):c.256_263del (p.Ala86fs)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
ARUP Laboratories, Molecular Genetics and Genomics,ARUP Laboratories RCV001286851 SCV001473470 likely pathogenic none provided 2020-04-07 criteria provided, single submitter clinical testing The SLC25A4 c.256_263delGCTCTCAA; p.Ala86Leufs*19 variant, to our knowledge, is not reported in the medical literature or gene-specific databases. This variant is also absent from general population databases (Exome Variant Server, Genome Aggregation Database), indicating it is not a common polymorphism. This variant causes a frameshift by deleting eight nucleotides, so it is predicted to result in a truncated protein or mRNA subject to nonsense-mediated decay. Further, truncating variants in this gene are known to be causative for autosomal recessive disease (Echaniz-Laguna 2012, Strauss 2013, Tosserams 2018). Based on available information, the p.Ala86Leufs*19 variant is considered to be likely pathogenic. References: Echaniz-Laguna A et al. Complete loss of expression of the ANT1 gene causing cardiomyopathy and myopathy. J Med Genet. 2012 Feb;49(2):146-50. Strauss KA et al. Severity of cardiomyopathy associated with adenine nucleotide translocator-1 deficiency correlates with mtDNA haplogroup. Proc Natl Acad Sci U S A. 2013 Feb 26;110(9):3453-8. Tosserams A et al. Two new cases of mitochondrial myopathy with exercise intolerance, hyperlactatemia and cardiomyopathy, caused by recessive SLC25A4 mutations. Mitochondrion. 2018 Mar;39:26-29.

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