Abstract：
INTRODUCTION:Upon injury, skeletal muscle undergoes a multiphase process beginning with degeneration of the damaged tissue, which is accompanied by inflammation and finally regeneration. One consequence of an injured microenvironment is excessive production of reactive oxygen species, which results in attenuated regeneration and recovery of function ultimately leading to fibrosis and disability. The objective of this research was to test the potential of the antioxidant, N-Acetyl-L-Cysteine (NAC), as a mediator of reactive oxygen species damage that results from traumatic muscle injury in order to support repair and regeneration of wounded muscle tissue and improve function recovery. MATERIALS AND METHODS:Adult female Lewis rats were subjected to compartment syndrome injury as previously published by our group. Rats received intramuscular injections of NAC or vehicle at 24, 48, and 72 hours postinjury. Muscle function, tissue fibrosis, and the expression of myogenic and angiogenic markers were measured. RESULTS:Muscle function was significantly improved, and tissue fibrosis was significantly decreased in NAC-treated muscles. CONCLUSIONS:These results suggest that NAC treatment of skeletal muscle after injury may be a viable option for the prevention of long-term fibrosis and scar formation, facilitating recovery of muscle function.
journal_name
Mil Medjournal_title
Military medicineauthors
Yosef B,Zhou Y,Mouschouris K,Poteracki J,Soker S,Criswell Tdoi
10.1093/milmed/usz232subject
Has Abstractpub_date
2020-01-07 00:00:00pages
25-34issue
Suppl 1eissn
0026-4075issn
1930-613Xpii
5740697journal_volume
185pub_type
杂志文章abstract：:Weight or fat reduction and maintenance among military personnel and attainment of desired body composition and physical appearance are considered important. A high level of body fat has been shown to have an adverse effect on performance in a number of military activities. The effect of rapid weight loss on performan...
journal_title：Military medicine
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