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Detection of a novel common mutation in the ryanodine receptor gene in malignant hyperthermia: implications for diagnosis and heterogeneity studies.

Abstract
Malignant hyperthermia (MH) is a potentially fatal autosomal dominant disorder of skeletal muscle and is triggered in susceptible people by all commonly used inhalational anaesthetics. To date, the ryanodine receptor gene (RYR1) has been shown to be mutated in a small number of malignant hyperthermia susceptible (MHS) cases. To determine if a common RYR1 mutation exists that might account for a significant number of MHS cases, we have investigated the RYR1 gene in unrelated patients for the presence of new mutations by the single-stranded conformation polymorphism method and have identified a novel Gly341Arg mutation which accounts for approximately 10% of Caucasian MHS cases. The implications of this common mutation in MHS diagnosis and heterogeneity studies are discussed.
AuthorsK A Quane, K E Keating, B M Manning, J M Healy, K Monsieurs, J J Heffron, M Lehane, L Heytens, R Krivosic-Horber, P Adnet
JournalHuman molecular genetics (Hum Mol Genet) Vol. 3 Issue 3 Pg. 471-6 (Mar 1994) ISSN: 0964-6906 [Print] England
PMID8012359 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Calcium Channels
  • DNA Primers
  • Muscle Proteins
  • Ryanodine Receptor Calcium Release Channel
Topics
  • Base Sequence
  • Calcium Channels (genetics)
  • DNA Primers
  • Female
  • Humans
  • Male
  • Malignant Hyperthermia (diagnosis, genetics)
  • Molecular Sequence Data
  • Muscle Proteins (genetics)
  • Mutation
  • Pedigree
  • Polymorphism, Genetic
  • Ryanodine Receptor Calcium Release Channel

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