Muscle tissue synthesis via essential amino acid supply

"Muscle tissue synthesis via essential amino acid supply" refers to the biological process whereby the ingestion of sufficient **essential amino acids** (especially leucine, isoleucine, and valine, known as branched-chain amino acids) stimulates the synthesis of new muscle proteins, primarily by activating the **mTOR signaling pathway**, which in turn upregulates mRNA translation and ribosomal assembly necessary for muscle hypertrophy and repair. This process is critical for maintaining muscle mass, promoting recovery after exercise or injury, and preventing muscle wasting due to aging or disease[1][2][3][5][6]. Essential amino acids must be obtained from the diet, as the body cannot synthesize them, and their availability is the primary nutritional signal for muscle anabolism. This is not a discrete molecular target but a **complex physiological pathway** dependent on nutrient sensing and signaling[1][4][7]. **Note:** This entry is not a canonical drug target. For structured data, the correct targets would be specific molecules such as the "Mammalian target of rapamycin (mTOR)" or specific amino acid transporters, not the process of "muscle tissue synthesis via essential amino acid supply" itself.

Other names

Muscle protein synthesis via EAAMuscle anabolism via essential amino acidsEssential amino acid–stimulated muscle synthesis

Activation of mTOR (mammalian target of rapamycin) signaling pathway by leucine and other EAAs, stimulating translation and ribosome biogenesis, thereby increasing muscle protein synthesis[1][3][5][6]