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Intrauterine growth restriction (IUGR) is associated with chronic fetal hypoxia, altered placental vasodilatation and reduced endothelial nitric oxide synthase (eNOS) activity. In human umbilical vein endothelial cells (HUVEC) from pregnancies complicated with IUGR (IUGR cells) and in HUVEC from normal pregnancies (normal cells) cultured under hypoxia l-arginine transport is reduced; however, the...
Pre-eclampsia is associated with elevated maternal blood pressure and proteinuria, altered fetal growth, and increased plasma adenosine concentration in the mother and the fetus. Human equilibrative nucleoside transporters 1 (hENT1) and hENT2 are crucial to maintain physiological plasma levels of adenosine, thus modulating its several biological effects through adenosine receptor activation. However,...
Preeclampsia is a human syndrome characterized by elevated maternal blood pressure and proteinuria. It is the main cause of maternal morbidity and mortality, and fetal metabolic disturbances in developed and developing countries. Fetal complications in preeclampsia have been related with lower placental blood flow. The placenta lacks of innervation, thus vascular tone regulation depends on endothelial...
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