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These studies suggest that amino acids play crucial roles in muscle repair and growth by influencing muscle protein synthesis, metabolism, gene expression, and hormonal regulation, especially when combined with exercise.
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Amino acids (AAs) play a crucial role in muscle repair and growth, acting as building blocks for proteins and influencing various metabolic and signaling pathways. Recent research has focused on understanding how different amino acids and their metabolites contribute to muscle protein synthesis (MPS), muscle growth, and overall muscle function.
Amino Acids and mTORC1 Signaling:
Role of Specific Amino Acids:
Amino Acids and Muscle MicroRNAs:
Amino Acids in Aging and Muscle Wasting:
Amino Acid Transporters:
Amino acids, particularly EAAs and BCAAs, are vital for muscle repair and growth by activating the mTORC1 signaling pathway and enhancing muscle protein synthesis. Specific amino acids like leucine and lysine have significant effects on muscle quality and growth. Additionally, amino acids influence muscle-specific microRNAs and gene expression, promoting muscle differentiation and repair. In older adults, combining EAAs with resistance exercise can effectively counteract muscle wasting. Understanding the role of amino acid transporters further highlights the importance of optimizing amino acid nutrition for muscle health.
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