Blackwell Publishing Journal Backfiles 1879-2005
Abstract: Rats born to well-fed mothers (20% protein diet ad libitum), protein-restricted mothers (7.5% protein diet ad libitum) or pair-fed with protein-restricted mothers were killed on days 0, 7, 14, 21, 28 and 35 and activities of the two enzymes of neurotransmitter synthesis, tryptophan-5-hydroxylase (EC 220.127.116.11) and tyrosine hydroxylase (EC 18.104.22.168) were assayed. Enzyme activities in normal animals were low at birth and progressively increased to reach adult levels by day 15. Protein-restricted and pair-fed animals also showed a similar pattern. However, significantly higher activities were observed from day 15 onwards in both experimental groups.
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