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Full-Text Articles in Systems Biology
Asynchronous Remodeling Is A Driver Of Failed Regeneration In Duchenne Muscular Dystrophy, Sherry Dadgar, Zuyi Wang, Helen Johnston, Akanchha Kesari, Kanneboyina Nagaraju, Yi-Wen Chen, D. Ashley Hill, Terence A. Partridge, Robert J. Freishtat, Javad Nazarian, Jianhua Xuan, Yue Wang, Eric P. Hoffman
Asynchronous Remodeling Is A Driver Of Failed Regeneration In Duchenne Muscular Dystrophy, Sherry Dadgar, Zuyi Wang, Helen Johnston, Akanchha Kesari, Kanneboyina Nagaraju, Yi-Wen Chen, D. Ashley Hill, Terence A. Partridge, Robert J. Freishtat, Javad Nazarian, Jianhua Xuan, Yue Wang, Eric P. Hoffman
Genomics and Precision Medicine Faculty Publications
We sought to determine the mechanisms underlying failure of muscle regeneration that is observed in dystrophic muscle through hypothesis generation using muscle profiling data (human dystrophy and murine regeneration). We found that transforming growth factor β-centered networks strongly associated with pathological fibrosis and failed regeneration were also induced during normal regeneration but at distinct time points. We hypothesized that asynchronously regenerating microenvironments are an underlying driver of fibrosis and failed regeneration. We validated this hypothesis using an experimental model of focal asynchronous bouts of muscle regeneration in wild-type (WT) mice. A chronic inflammatory state and reduced mitochondrial oxidative capacity are …