Endurance exercise leads to beneficial molecular and physiological effects in a mouse model of myotonic dystrophy type 1
Copyright policy )Endurance exercise leads to beneficial molecular and physiological effects in a mouse model of myotonic dystrophy type 1
AbstractIntroductionMyotonic dystrophy type 1 (DM1) is a multisystemic disease caused by expansion of a CTG repeat in the 3' UTR of the Dystrophia Myotonica‐Protein Kinase (DMPK) gene. While multiple organs are affected, more than half of mortality is due to muscle wasting.MethodsIt is unclear whether endurance exercise provides beneficial effects in DM1. Here, we show that a 10‐week treadmill endurance exercise program leads to beneficial effects in the HSALR mouse model of DM1.ResultsAnimals that performed treadmill training displayed reduced CUGexp RNA levels, improved splicing abnormalities, an increase in skeletal muscle weight and improved endurance capacity.DiscussionThese results indicate that endurance exercise does not have adverse effects in HSALR animals and contributes to beneficial molecular and physiological outcomes.
- Baylor College of Medicine United States
Reverse Transcriptase Polymerase Chain Reaction, Gene Expression, Mice, Transgenic, Organ Size, Actins, Alternative Splicing, Disease Models, Animal, Endurance Training, Mice, Adipose Tissue, Bone Density, Physical Conditioning, Animal, Body Composition, Physical Endurance, Animals, Humans, Myotonic Dystrophy, Muscle, Skeletal, Trinucleotide Repeat Expansion
Reverse Transcriptase Polymerase Chain Reaction, Gene Expression, Mice, Transgenic, Organ Size, Actins, Alternative Splicing, Disease Models, Animal, Endurance Training, Mice, Adipose Tissue, Bone Density, Physical Conditioning, Animal, Body Composition, Physical Endurance, Animals, Humans, Myotonic Dystrophy, Muscle, Skeletal, Trinucleotide Repeat Expansion
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