ClinVar Miner

Submissions for variant NM_000069.3(CACNA1S):c.900G>A (p.Trp300Ter)

gnomAD frequency: 0.00004  dbSNP: rs148317787
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000760649 SCV000890541 likely pathogenic not provided 2021-04-29 criteria provided, single submitter clinical testing Nonsense variant predicted to result in protein truncation or nonsense mediated decay in a gene for which loss-of-function is a known mechanism of disease; Not observed at a significant frequency in large population cohorts (Lek et al., 2016); Has not been previously published as pathogenic or benign to our knowledge
Invitae RCV002533842 SCV002971319 pathogenic Hypokalemic periodic paralysis, type 1; Malignant hyperthermia, susceptibility to, 5 2024-01-25 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal (p.Trp300*) in the CACNA1S gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in CACNA1S are known to be pathogenic (PMID: 26247046, 28012042). This variant is present in population databases (rs148317787, gnomAD 0.004%). This variant has not been reported in the literature in individuals affected with CACNA1S-related conditions. ClinVar contains an entry for this variant (Variation ID: 620285). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. For these reasons, this variant has been classified as Pathogenic.
Genome-Nilou Lab RCV003453573 SCV004179211 pathogenic Malignant hyperthermia, susceptibility to, 5 2023-04-11 criteria provided, single submitter clinical testing
Genome-Nilou Lab RCV003456139 SCV004179212 pathogenic Hypokalemic periodic paralysis, type 1 2023-04-11 criteria provided, single submitter clinical testing

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