Observations on the mechanism of adaptation to low protein intakes.

Adaptation, Physiological Amino Acids/metabolism Animals Arginine/metabolism Basal Metabolism Carbon Isotopes Dietary Proteins Female Glycine/metabolism Humans Hydrocortisone/blood Infant Infant Nutritional Physiological Phenomena Insulin/blood Liver/enzymology,metabolism Lyases/metabolism Lysine/blood Male Models, Theoretical Muscle Proteins/biosynthesis Nitrogen/metabolism Protein Biosynthesis Proteins/metabolism Radioisotopes Rats Serum Albumin/biosynthesis

Amino Acids Carbon Isotopes Dietary Proteins Insulin Muscle Proteins Proteins Radioisotopes Serum Albumin Arginine Lyases Lysine Nitrogen Glycine Hydrocortisone