EFFECTS OF UNDER NUTRITION AND PROTEIN DEFICIENCY ON GLUTAMATE DEHYDROGENASE AND DECARBOXYLASE IN RAT BRAIN

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Abstract
Abstract— Studies were made on the effects of undernutrition at different ages during the neonatal period and of the comparative effects of postweaning protein and calorie deficiencies in neonatally undernourished or normally reared animals. Neonatal undernutrition resulted in deficits in body wt, brain wt and the activities of brain glutamate dehydrogenase and glutamate decarboxylase. Percentage deficits in brain wt were maximum in the first week of life but those in brain enzymes were greater in the second week. Rehabilitation of neonatally undernourished animals reversed the deficits in brain wt and brain enzymes. Post‐weaning protein deficiency produced similar deficits in brain enzymes in both neonatally undernourished and normally reared animals. With post‐weaning undernutrition, however, these deficits were found only in animals subjected to neonatal undernutrition as well.