ClinVar Miner

Submissions for variant NM_005629.4(SLC6A8):c.354C>T (p.Ala118=)

dbSNP: rs1557044183
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
ClinGen Cerebral Creatine Deficiency Syndromes Variant Curation Expert Panel, ClinGen RCV000867843 SCV002600175 likely benign Creatine transporter deficiency 2022-06-06 reviewed by expert panel curation The NM_005629.4:c.354C>T (p.Ala118=) variant in SLC6A8 is a synonymous (silent) variant that is not predicted by SpliceAI or varSEAK to impact splicing, and it occurs at a nucleotide that is not conserved (BP4, BP7). The variant is absent in gnomAD v2.1.1 (PM2_Supporting). To our knowledge, this variant has not been reported in any patients with creatine transporter deficiency in the literature. There is a ClinVar entry for this variant (Variation ID: 511340). Although this variant is rare (meeting PM2_Supporting), it has been classified as likely benign by the ClinGen Creatine Deficiency Syndromes (CCDS) Variant Curation Expert Panel (VCEP) based on the recommendation of Richards et al (PMID: 25741868) because it is a synonymous variant, the altered nucleotide is not highly conserved, computational prediction suggests no impact on splicing, and there is no additional evidence to suggest that the variant is disease-causing. SLC6A8-specific ACMG/AMP criteria applied, as specified by the ClinGen LSD VCEP (specifications version 1.1.0): PM2_Supporting, BP4, BP7. (Classification approved by the ClinGen CCDS VCEP on June 6, 2022).
GeneDx RCV000605861 SCV000721877 likely benign not specified 2017-08-10 criteria provided, single submitter clinical testing This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease.
Invitae RCV000867843 SCV001009112 likely benign Creatine transporter deficiency 2023-08-25 criteria provided, single submitter clinical testing

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