ClinVar Miner

Submissions for variant NM_001371596.2(MFSD8):c.553G>C (p.Val185Leu)

dbSNP: rs1740277571
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001242649 SCV001415751 uncertain significance Neuronal ceroid lipofuscinosis 7 2021-08-27 criteria provided, single submitter clinical testing This sequence change replaces valine with leucine at codon 185 of the MFSD8 protein (p.Val185Leu). The valine residue is moderately conserved and there is a small physicochemical difference between valine and leucine. This variant also falls at the last nucleotide of exon 6, which is part of the consensus splice site for this exon. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with MFSD8-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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