ArticleExperimental physiology2021
The effect of autologous repair and voluntary wheel running on force recovery in a rat model of volumetric muscle loss.
Article in Experimental physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Retrospective transcriptomic analysis indicates temporal dysregulation of mitochondrial genes and metabolic pathways after volumetric muscle loss injury.Physiological reports · 2025Article
- Low intensity, high frequency vibration training to improve musculoskeletal function in a mouse model of volumetric muscle loss.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2025Article
- In Sequence Antifibrotic Treatment and Rehabilitation after Volumetric Muscle Loss Injury.Advances in wound care · 2025Article
- Spiny mice are primed but fail to regenerate volumetric skeletal muscle loss injuries.Skeletal muscle · 2024Article
- Influence of Physical Exercise on the Rehabilitation of Volumetric Muscle Loss Injury Reconstructed with Autologous Adipose Tissue.Journal of functional morphology and kinesiology · 2024Article
- Tissue Engineered 3D Constructs for Volumetric Muscle Loss.Annals of biomedical engineering · 2024Review
- Article
- Resistance wheel running improves contractile strength, but not metabolic capacity, in a murine model of volumetric muscle loss injury.Experimental physiology · 2023Article
- Early initiation of electrical stimulation paired with range of motion after a volumetric muscle loss injury does not benefit muscle function.Experimental physiology · 2023Article
- Administration of a selective retinoic acid receptor-γ agonist improves neuromuscular strength in a rodent model of volumetric muscle loss.Journal of experimental orthopaedics · 2021Article
- Reconstructing vascular networks promotes the repair of skeletal muscle following volumetric muscle loss by pre-vascularized tissue constructs.Journal of tissue engineeringArticle
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Authors and funding
6 authors.
Funding
Abstract
NEW
findingsWhat is the central question of this study? Following large traumatic loss of muscle tissue (volumetric muscle loss; VML), permanent functional and cosmetic deficits present themselves and regenerative therapies alone have not been able to generate a robust regenerative response: how does the addition of rehabilitative therapies affects the regenerative response? What is the main finding and its importance? Using exercise along with autologous muscle repair, we demonstrated accelerated muscle force recovery response post-VML. The accentuated force recovery 2 weeks post-VML would allow patients to return home sooner than allowed with current therapies. ABSTRACT: Skeletal muscle can regenerate from damage but is overwhelmed with extreme tissue loss, known as volumetric muscle loss (VML). Patients suffering from VML do not fully recover force output in the affected limb. Recent studies show that replacement tissue (i.e., autograph) into the VML defect site plus physical activity show promise for optimizing force recovery post-VML. The purpose of this study was to measure the effects of autologous repair and voluntary wheel running on force recovery post-VML. Thirty-two male Sprague-Dawley rats had 20% of their left tibialis anterior (LTA) excised then replaced and sutured into the intact muscle (autologous repair). The right tibialis anterior (RTA) acted as the contralateral control. Sixteen rats were given free access to a running wheel (Wheel) whereas the other 16 remained in a cage with the running wheel locked (Sed). At 2 and 8 weeks post-VML, the LTA underwent force testing; then the muscle was removed and morphological and gene expression analysis was conducted. At 2 weeks post-injury, normalized LTA force was 58% greater in the Wheel group compared to the Sed group. At 8 weeks post-VML, LTA force was similar between the Wheel and Sed groups but was still lower than the uninjured RTA. Gene expression analysis at 2 weeks post-VML showed the wheel groups had lower mRNA content of interleukin (IL)-1β, IL-6 and tumour necrosis factor α compared to the Sed group. Overall, voluntary wheel running promoted early force recovery, but was not sufficient to fully restore force. The accentuated early force recovery is possibly due to a more pro-regenerative microenvironment.
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