Amino acid supplementation: its effect on the thymus in growing rats.

Previous papers have indicated an arrest in cellular proliferation and maturation of the thymus of rats fed at weaning a 6.5% protein corn diet. In this report, we studied the status of the thymus of growing rats fed from weaning and during 10 days a 6.5% corn diet supplemented with all the essential amino acids to resemble the amino acid pattern of a high quality protein (casein) (group Ms), or only with the first limiting amino acid, lysine...