ClinVar Miner

Submissions for variant NM_021815.5(SLC5A7):c.742-2A>G

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Broad Center for Mendelian Genomics, Broad Institute of MIT and Harvard RCV003226145 SCV003922347 likely pathogenic Neuronopathy, distal hereditary motor, type 7A 2023-05-02 criteria provided, single submitter curation The heterozygous c.742-2A>G variant in SLC5A7 was identified by our study in one individual with muscle weakness and easy fatigability. Trio exome analysis showed this variant to be de novo. The c.742-2A>G variant in SLC5A7 has not been previously reported in individuals with distal hereditary motor neuronopathy type VIIa. This variant is absent in population databases. This variant is located in the 3’ splice region. Computational tools do suggest an impact to splicing. However, this information is not predictive enough to determine pathogenicity. Heterozygous loss of function of the SLC5A7 gene is strongly associated to distal hereditary motor neuronopathy type VIIa. In summary, although additional studies are required to fully establish its clinical significance, this variant is likely pathogenic for autosomal dominant distal hereditary motor neuronopathy type VIIa. ACMG/AMP Criteria applied: PVS1_Strong, PS2_Supporting, PM2_Supporting (Richards 2015).

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