Scientists at Dana-Farber Cancer Institute have isolated a previously unknown protein in muscles that spurs their growth and increased power following resistance exercise. They suggest that artificially raising the protein's levels might someday help prevent muscle loss caused by cancer, prolonged inactivity in hospital patients, and aging. Mice given extra doses of the protein gained muscle mass and strength, and rodents with cancer were much less affected by cachexia, the loss of muscle that often occurs in cancer patients, according to the report in the journal Cell. Read more here.
Study mentioned: Ruas JL, et al. A PGC-1α Isoform Induced by Resistance Training Regulates Skeletal Muscle Hypertrophy. Cell 2012; 151(6):1319-1331.
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