ClinVar Miner

Submissions for variant NM_000156.6(GAMT):c.163_181+6del

dbSNP: rs2144640856
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001379555 SCV001577378 likely pathogenic Cerebral creatine deficiency syndrome 2020-03-28 criteria provided, single submitter clinical testing In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. Loss-of-function variants in GAMT are known to be pathogenic (PMID: 15108290). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site, but this prediction has not been confirmed by published transcriptional studies. This variant has not been reported in the literature in individuals with GAMT-related conditions. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate insufficient coverage at this position in the ExAC database. This variant results in the deletion of part of exon 1 (c.163_181+6del) of the GAMT gene. It is expected to disrupt RNA splicing and likely results in an absent or disrupted protein product.

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