Protein Metabolism in the Developing Brain: Influence of Birth and Gestational Age

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Science  19 May 1967:
Vol. 156, Issue 3777, pp. 984-986
DOI: 10.1126/science.156.3777.984


Incorporation of carbon-14-labeled phenylalanine into brain protein of newborn pigs falls sharply within 24 hours after birth. This decrease is related to the time of birth rather than the gestational age of the piglets, although the latter is also associated with a gradual decrease in brain protein synthesis.