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PGE2 receptors, chloride channels


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  • Product Description

Endothelial cells play a central role in cardiovascular homeostasis by generation of numerous vasoconstrictors and vasodilators. One of the vasodilators is the endothelium-derived hyperpolarizing factor (EDHF). The identity of EDHF is not completely clear but a widely accepted candidate is epoxyeicosatrienoic acids (EETs). Firstly, we convincingly showed that the relaxing effect of 14,15-EET is mediated through the Gs protein-coupled EP2 receptors which were linked to the cAMP/PKA-dependent pathway. Secondly, we demonstrated that the effects of arterial size, aging and hypertension on the vasorelaxing response of EETs were due to the different expressions of EP2 receptor. Thirdly, whole-cell patch clamp study demonstrated that EETs inhibited volume-activate Cl- channels in rat mesenteric arterial smooth muscle cells through a cGMP and cAMP-dependent pathway. Finally, we showed the inhibition of Cl- channels potentiated the EDHF-mediated relaxation in rat mesenteric arteries. The mechanism probably involved the enhanced opening of Kir channels. It is hoped that the findings in this study can provide a better understanding of the physiology and pathophysiology of vascular system.

Product Specifications
SKU :COC94566
AuthorCui Yang
Number of Pages196
Publishing Year2011-07-02T00:00:00.000
Edition1 st
Book TypeMedicine
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-08-14 00:00:00