ArticleAmerican journal of physiology. Heart and circulatory physiology2020
Enhanced dimethylarginine degradation improves coronary flow reserve and exercise tolerance in Duchenne muscular dystrophy carrier mice.
Article in American journal of physiology. Heart and circulatory physiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- FICD (FIC Domain Protein Adenylyl Transferase) Deficiency Protects Mice From Hypertrophy-Induced Heart Failure and Promotes BiP (Binding Immunoglobulin Protein) -Mediated Activation of the Unfolded Protein Response and Endoplasmic Reticulum-Selective Autophagy in Cardiomyocytes.Journal of the American Heart Association · 2025Article
- Actin-Binding Proteins in Cardiac Hypertrophy.Cells · 2022Review
- DDAH1 Promotes Lung Endothelial Barrier Repair by Decreasing Leukocyte Transendothelial Migration and Oxidative Stress in Explosion-Induced Lung Injury.Oxidative medicine and cellular longevity · 2022Article
- A scalable, clinically severe pig model for Duchenne muscular dystrophy.Disease models & mechanisms · 2021Article
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
Abstract
Duchenne muscular dystrophy (DMD) is an X-linked disease caused by null mutations in dystrophin and characterized by muscle degeneration. Cardiomyopathy is common and often prevalent at similar frequency in female DMD carriers irrespective of whether they manifest skeletal muscle disease. Impaired muscle nitric oxide (NO) production in DMD disrupts muscle blood flow regulation and exaggerates postexercise fatigue. We show that circulating levels of endogenous methylated arginines including asymmetric dimethylarginine (ADMA), which act as NO synthase inhibitors, are elevated by acute necrotic muscle damage and in chronically necrotic dystrophin-deficient mice. We therefore hypothesized that excessive ADMA impairs muscle NO production and diminishes exercise tolerance in DMD. We used transgenic expression of dimethylarginine dimethylaminohydrolase 1 (DDAH), which degrades methylated arginines, to investigate their contribution to exercise-induced fatigue in DMD. Although infusion of exogenous ADMA was sufficient to impair exercise performance in wild-type mice, transgenic DDAH expression did not rescue exercise-induced fatigue in dystrophin-deficient male
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