Amino acid metabolism regulation

"Amino acid metabolism regulation" encompasses the various mechanisms by which cells and organisms control the levels and flux of amino acids through biosynthetic and degradation pathways. Regulation occurs at multiple levels: - **Enzymatic control** (allosteric, covalent modification, gene expression) - **Hormonal signals**, including insulin (stimulates uptake and protein synthesis), glucagon and glucocorticoids (stimulate amino acid release and catabolism), and growth hormone (promotes anabolic use of amino acids)[2]. - **Feedback inhibition** and nutrient sensing pathways such as the **mTOR** and **GCN2** pathways[7][6]. Key enzymes (like glutamate dehydrogenase), transporters, and signaling pathways integrate amino acid metabolism with broader cellular and systemic processes—including energy metabolism, mitochondrial homeostasis, and immune function[1][3][4][5][6]. When dysregulated, amino acid metabolism contributes to diseases such as cancer (altered amino acid requirements), metabolic disorders (e.g., urea cycle defects), and immune dysfunction (altered effector T cell activity)[6][3]. Because this entry describes a process and not a single targetable molecule, it is not suitable as a canonical drug target. For structured drug-target information, one should specify a particular enzyme (e.g., *glutamate dehydrogenase*), receptor (e.g., *mTOR*), or transporter involved in amino acid metabolism regulation.

Other names

Amino acid metabolic regulationRegulation of amino acid metabolism