on metabolism of protein Physiological level: stimulates synthesis of proteins and enzymes Hyperthyroidism: catabolism of protein, leads weigh-loss and muscle weakness Hypothyroidism: myxedema(粘液性 水肿) develops because of deposition of mucoprotein binding with positive ions and water molecules in the interstitial spaces while protein synthesis ecreaseson metabolism of protein • Physiological level: stimulates synthesis of proteins and enzymes, • Hyperthyroidism: catabolism of protein, leads weigh-loss and muscle weakness • Hypothyroidism: myxedema (粘液性 水肿） develops because of deposition of mucoprotein binding with positive ions and water molecules in the interstitial spaces while protein synthesis decreases