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Updated: Mar 30, 2026

Functional Characterization of Endogenously Expressed Human RYR1 Variants
Published on: June 9, 2021
Acquired multiple acyl-CoA dehydrogenase deficiency and marked selenium deficiency causing severe rhabdomyolysis in a
Diego E Gomez1, Stephanie J Valberg1, K Gary Magdesian1
1Department of Health Management (Gomez, Lofstedt) and Department of Pathology and Microbiology (Hanna), Atlantic Veterinary College, University of Prince Edward Island, 550 University Avenue, Charlottetown, Prince Edward Island C1A 4P3; Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, USA (Valberg); Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, 1 Shields Avenue, Davis, California 95616, USA (Magdesian).
Abstract:
This report describes a case of severe rhabdomyolysis in a pregnant mare associated with histopathologic and biochemical features of both selenium deficiency and acquired multiple acyl-CoA dehydrogenase deficiency (MADD) due to seasonal pasture myopathy (SPM). This case highlights the importance of assessing plasma selenium levels in horses with clinical signs of pasture myopathy as this deficiency may be a contributing or exacerbating factor.
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