Cited by 63Ion channel regulation and functionMuscle Physiology and DisordersGenomics and Rare Diseases

The DOI matches its Crossref record; 39 of the 40 references it cites were found in a registry or an index.

Genetic risk for malignant hyperthermia in non-anesthesia-induced myopathies

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Vladutiu, Georgirene D., Isackson, Paul J., Kaufman, Kenneth, Harley, John B., Cobb, Beth, Christopher-Stine, Lisa, Wortmann, Robert L.·2011·Molecular Genetics and Metabolism

Abstract

Malignant hyperthermia (MH) is a pharmacogenetic, autosomal dominantly inherited disorder of skeletal muscle triggered by volatile anesthetics and infrequently by extreme exertion and heat exposure. MH has variable penetrance with an incidence ranging from 1 in 5000 to 1 in 50,000-100,000 anesthesias. Mutations in the ryanodine receptor gene, RYR1, are found in 50-70% of cases. We hypothesized that a portion of patients with drug-induced muscle diseases, unrelated to anesthesia, such as severe statin myopathy, have underlying genetic liability that may include RYR1 gene mutations. DNA samples were collected from 885 patients in 4 groups: severe statin myopathy (n=197), mild statin myopathy (n=163), statin-tolerant controls (n=133), and non-drug-induced myopathies of unknown etiology characterized by exercise-induced muscle pain and weakness (n=392). Samples were screened for 105 mutations and variants in 26 genes associated with 7 categories of muscle disease including 34 mutations and variants in the RYR1 gene. Disease-causing mutations or variants in RYR1 were present in 3 severe statin myopathy cases, 1 mild statin myopathy case, 8 patients with non-drug-induced myopathy, and none in controls. These results suggest that disease-causing mutations and certain variants in the RYR1 gene may contribute to underlying genetic risk for non-anesthesia-induced myopathies and should be included in genetic susceptibility screening in patients with severe statin myopathy and in patients with non-statin-induced myopathies of unknown etiology.

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Metadata

Authors
Vladutiu, G. D., Isackson, P. J., Kaufman, K., Harley, J. B., Cobb, B., Christopher-Stine, L., & Wortmann, R. L.
Affiliations
  • University at Buffalo, State University of New York (US)
  • United States Department of Veterans Affairs (US)
  • Cincinnati Children's Hospital Medical Center (US)
  • Dartmouth–Hitchcock Medical Center (US)
Corresponding author
Vladutiu, Georgirene D.
Venue
Molecular Genetics and Metabolism
Publisher
Elsevier BV
Published
2011-09
Volume
104
Issue
1-2
Pages
167-173
ISSN
1096-7192 (ISSN-L)
OpenAlex
W2095350539
Cited by
63
References
40
Citations by year
2025: 5 · 2024: 1 · 2023: 1 · 2022: 5 · 2021: 3 · 2020: 3 · 2019: 3 · 2018: 5 · 2017: 8 · 2016: 5 · 2015: 10 · 2014: 4 · 2013: 7 · 2012: 3
FWCI
1.82
Type
journal article
Language
en
Open access
Locations
  • Molecular Genetics and Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NHLBI (1R41HL093956-01, RO1HL085800)
  • UB Office of the Vice President for Research (GDV)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion channel regulation and function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
Keywords
malignant hyperthermia, RYR1 mutations, ryanodine receptor, statin-induced myopathy, genetic susceptibility, exercise-induced muscle pain, pharmacogenetics, skeletal muscle disorders, genetic screening
MeSH terms
Adult, Aged, Aged, 80 and over, Anesthesia, Female, Humans, Male, Malignant Hyperthermia, Middle Aged, Muscular Diseases, Mutation, Risk Factors, Case-Control Studies, Hydroxymethylglutaryl-CoA Reductase Inhibitors, Ryanodine Receptor Calcium Release Channel, Genetic Predisposition to Disease, Oligonucleotide Array Sequence Analysis

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