Protein Deficiency

A nutritional condition produced by a deficiency of proteins in the diet, characterized by adaptive enzyme changes in the liver, increase in amino acid synthetases, and diminution of urea formation, thus conserving nitrogen and reducing its loss in the urine. Growth, immune response, repair, and production of enzymes and hormones are all impaired in severe protein deficiency. Protein deficiency may also arise in the face of adequate protein intake if the protein is of poor quality (i.e., the content of one or more amino acids is inadequate and thus becomes the limiting factor in protein utilization). (From Merck Manual, 16th ed; Harrison's Principles of Internal Medicine, 12th ed, p406)

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Tree Number(s): C18.654.521.500.708

MeSH Unique ID: D011488

Entry Terms:

• Deficiency, Protein
• Deficiencies, Protein
• Protein Deficiencies

All MeSH Categories
Diseases Category
Nutritional and Metabolic Diseases
Nutrition Disorders
Malnutrition
Deficiency Diseases
Protein Deficiency
Protein-Energy Malnutrition