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  • Title: Maternal protein deprivation: changes in systemic renin-angiotensin system of the mouse fetus.
    Author: Goyal R, Galffy A, Field SA, Gheorghe CP, Mittal A, Longo LD.
    Journal: Reprod Sci; 2009 Sep; 16(9):894-904. PubMed ID: 19516079.
    Abstract:
    We tested the hypothesis that maternal protein deprivation during gestation results in changes in expression of the systemic renin-angiotensin system in fetal mice. Fetal weight was decreased significantly as a consequence of 50% maternal protein deprivation during second half of gestation. In fetal liver, angiotensinogen protein expression was reduced significantly despite a significant increase in messenger RNA (mRNA). In fetal kidneys, both mRNA and protein levels of renin were increased significantly. In the lungs, we observed a decrease in both angiotensin-converting enzyme I and II mRNA expression, whereas protein expression of both isoforms was increased significantly. The fetal heart showed significant increases in expression of angiotensin II type 1 (AT-1) and type 2 (AT-2) receptors mRNA. Protein expression of AT-1 receptors increased, while that of AT-2 receptors decreased. We conclude that maternal low-protein diet during gestation leads to significant changes in expression of the systemic renin-angiotensin system in fetal mice and may be important in the genesis of hypertension in the adult.
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