# Chinese Academy of Sciences muscle graft research > Live situation record from CLSTR: https://clstr.news/situations/chinese-academy-of-sciences-muscle-graft-research > Updated: 2026-08-28T10:14:00.000Z. Sources: 5. Developments: 2. Researchers from the Chinese Academy of Sciences have developed a muscle tissue graft designed to mimic the systemic effects of physical exercise. Published in ‘Nature Aging’, the study details how scientists cultivated muscle precursor cells from a mouse’s quadriceps and implanted them under the skin to prevent rejection. The laboratory-grown graft forms an organized, vascularized structure that contracts autonomously without external stimulation. In elderly mice, the transplant released proteins and chemical signals typically associated with physical movement. Observations showed that the treated mice experienced significant physical and metabolic improvements, including increased lean muscle mass, improved grip strength, and longer running endurance. Other noted benefits included higher bone density, reduced inflammation markers, lower liver fat accumulation, and increased daily energy expenditure. This research suggests a potential therapeutic pathway for treating age-related muscle loss in individuals with limited mobility. ## Timeline ### 2026-08-28: Chinese Academy of Sciences develops autonomous muscle graft Chinese researchers have developed a lab-grown muscle graft that contracts autonomously, providing systemic health benefits in mice similar to physical exercise. 2 sources. https://clstr.news/cluster/chinese-academy-of-sciences-develops-autonomous-muscle-graft ### 2026-08-27: Muscle tissue grafts mimic exercise effects in mice A study in Nature Aging shows that muscle tissue grafts can mimic exercise effects in mice, increasing muscle mass, strength, and bone density, offering hope for treating age-related muscle loss. 3 sources. https://clstr.news/cluster/muscle-tissue-grafts-mimic-exercise-effects-in-mice --- Cite as: Chinese Academy of Sciences muscle graft research. CLSTR, https://clstr.news/situations/chinese-academy-of-sciences-muscle-graft-research