Skeletal muscle atrophy can occur in response to stimuli such as inactivity, fasting, and ageing. Here the authors show that expression of microRNA-29b promotes muscle atrophy by targeting IGF-1 and PI3K, and that its inhibition attenuates atrophy induced by denervation and immobilization in mice.
- Jin Li
- Mun Chun Chan
- Junjie Xiao