NewslettersMuscle Cell NewsATF4 Regulates Mitochondrial Content, Morphology, and Function in Differentiating Skeletal Muscle MyotubesBy Jamie Kang - June 5, 20230159Scientists overexpressed and knocked down ATF4 in C2C12 myoblasts, differentiated them to myotubes for 5 days, and subjected them to acute or chronic contractile activity.[American Journal Of Physiology-Cell Physiology]Abstract