NewslettersMuscle Cell News Serine Synthesis Pathway Enzyme PHGDH Is Critical for Muscle Cell Biomass, Anabolic Metabolism, and mTORC1 Signaling By Noshin Noorjahan - November 27, 2023 0 Scientists identified enzymes that limited protein synthesis, myotube size, and proliferation in skeletal muscle cells. [American Journal Of Physiology-Endocrinology And Metabolism] Abstract