Muscle tissue grafts mimic exercise effects in mice

regenerative medicine muscle graft muscle mass bone density sarcopenia

Researchers from the Institute of Zoology of the Chinese Academy of Sciences have developed a muscle tissue graft that mimics the systemic effects of physical exercise in mice. The study, published in Nature Aging, describes how scientists cultivated muscle precursor cells from a mouse's quadriceps and implanted them under the skin.

The implanted tissue formed an organized, vascularized structure that contracted spontaneously and continuously. Over several months, the graft led to significant physical and metabolic improvements in elderly mice, including increased lean muscle mass, improved grip strength, and longer running endurance. Additionally, fifteen weeks after the transplant, the mice exhibited higher bone density.

This advancement offers a potential therapeutic pathway for treating age-related muscle loss in individuals who are unable to perform physical exercise, such as the elderly or those with limited mobility due to illness.

Entities

Chinese Academy of Sciences · Institute of Zoology · Nature Aging

Claims

What the coverage asserts, and how many sources carry each claim.

[● 3 SOURCES] The mice demonstrated improved physical function, including longer running times and greater grip strength. www.eldia.es · www.diariodemallorca.es · www.informacion.es
[● 3 SOURCES] Scientists used muscle precursor cells from the quadriceps of the mice to create the graft. www.eldia.es · www.diariodemallorca.es · www.informacion.es
[● 3 SOURCES] Mice showed higher bone density fifteen weeks after the transplant. www.eldia.es · www.diariodemallorca.es · www.informacion.es
[● 3 SOURCES] The study was published in the journal Nature Aging. www.eldia.es · www.diariodemallorca.es · www.informacion.es
[● 3 SOURCES] Researchers from the Institute of Zoology of the Chinese Academy of Sciences led the study. www.eldia.es · www.diariodemallorca.es · www.informacion.es
[● 3 SOURCES] The implanted muscle tissue survived for several months in the mice. www.eldia.es · www.diariodemallorca.es · www.informacion.es
[● 3 SOURCES] The muscle graft resulted in an increased proportion of lean mass in mice. www.eldia.es · www.diariodemallorca.es · www.informacion.es

Sources

MEDICINA REGENERATIVA / Un injerto muscular imita los efectos del ejercicio: aumenta la fuerza, la masa muscular y la densidad ósea [www.eldia.es]

16 days ago

MEDICINA REGENERATIVA / Un injerto muscular imita los efectos del ejercicio: aumenta la fuerza, la masa muscular y la densidad ósea [www.diariodemallorca.es]

16 days ago

MEDICINA REGENERATIVA / Un injerto muscular imita los efectos del ejercicio: aumenta la fuerza, la masa muscular y la densidad ósea [www.informacion.es]

16 days ago