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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

No evidence of mutations in the CACNA1S gene in the UK malignant hyperthermia population.

BACKGROUND: Malignant hyperthermia (MH) is an inherited, potentially fatal, pharmocogenetic disorder triggered by certain anaesthetic agents. In light of the reported genetic heterogeneity for the disorder and the recent introduction of DNA testing guidelines for the trait, we have assessed the role of the CACNA1S gene in MH susceptibility in UK patients. Linkage to this locus has previously been demonstrated in several European MH families. METHODS AND RESULTS: We screened 200 unrelated MH-susceptible individuals for known CACNA1S mutations. With the aim to characterize further novel mutations at this locus, functionally relevant regions of the gene were also sequenced in 10 unrelated individuals from families where the involvement of other MH susceptibility loci was unlikely. No sequence variations were detected in any of the patients investigated. CONCLUSIONS: Defects in CACNA1S are not a major cause of MH in the UK population. Diagnostic screening of this gene is unlikely to be of value to UK MH patients in the near future.[1]


  1. No evidence of mutations in the CACNA1S gene in the UK malignant hyperthermia population. Brooks, C., Robinson, R.L., Halsall, P.J., Hopkins, P.M. British journal of anaesthesia. (2002) [Pubmed]
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