Abstract
Summary
In vitro incorporation of dl-valine-1-[14C] was measured in oviducts and uterine TCA precipitable protein during diestrus, estrus, early and late pregnancy (PC) and postpartum period (PP) in albino rats. Incorporation of amino acid (valine) into oviduct protein declined between day 1 and 6 PC and a steep fall was observed between day 6 and 7 PC. In uterus, the valine incorporation into protein showed a moderate rise during implantation (day 5 PC). During post implantation stages (days 7–20 PC) a simultaneous stimulation of oviducal and uterine amino acid uptake occurs. However, on day 1 PP a sharp fall in valine incorporation is observed both in oviduct and uterus followed by a rise on day 5 PP.
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