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Current Vascular Pharmacology


ISSN (Print): 1570-1611
ISSN (Online): 1875-6212

Endothelial Cell Function in Utero-placental Circulation Physiology and Pathophysiology

Author(s): Suvajit Sen, Rashmi Rao and Gautam Chaudhuri

Volume 11, Issue 5, 2013

Page: [730 - 736] Pages: 7

DOI: 10.2174/1570161111311050010

Price: $65


Endothelial cells in the utero-placental circulation play an important physiological role in maintaining the fetoplacental vessels in a vasodilated state as these vessels are non-innervated. These endothelial cells produce both prostacyclin and nitric oxide which in addition to causing vasodilation also prevent platelet aggregation and adhesion of platelets to endothelial cells. Most investigators are of the opinion that energy metabolism of endothelial cells and ATP generation is mainly glycolytic. Glycolytic activity in endothelial cells is increased during proliferation to maintain ATP at normal levels by an increase in the expression of the glucose transporter. More recent studies have reported the existence of a functional F1F0 ATP synthase on the surface of HUVEC and it has been found to be enzymatically active in the synthesis of ATP. Additional studies utilizing very early passage HUVEC need to be carried out to ascertain the relative contribution of oxidative phosphorylation compared with the glycolytic pathway for ATP synthesis in normal pregnancy as well as in abnormal states like preeclampsia, diabetes, intrauterine injection as well as intrauterine growth restriction.

Keywords: HUVEC, ATP, glycolysis, prostacyclin, nitric oxide.

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