The ketogenic diet inhibits mTOR but spares muscle. Wait, wut?
mTOR is a key mediator of skeletal muscle growth. Primarily via stimulating protein synthesis, although some researchers are even looking for ways to activate it to prevent atrophy (eg, Dyle et al., 2014) (eg, ursolic acid & tomatidine).
Role of skeletal muscle mTOR in mechanical load-induced growth (Goodman et al., 2011)
Signaling pathways mediating muscle mass in aging skeletal muscle: role of mTOR (Sandri et al., 2013)
Mechanisms regulating skeletal muscle growth and atrophy (Schiaffino et al., 2013)
mTOR is necessary for proper satelite cell activity and skeletal muscle regeneration (Zhang et al., 2015)
Dietary protein lights up mTOR — 0.6 g/kg lean mass increased it by 30% in this study, although as little as 10-20 grams did it here.
“Many of the health benefits of exercise are mediated by mTOR, not only within the working muscle, but also in distant tissues such as fat, liver, and brain” (Watson et al., 2014).
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