Molecular mechanisms of (R,R)ZX-5 on NO synthesis and its anti-angiogenic effect.

Abstract:

:(R,R)ZX-5 is a NO regulatory compound, which could significantly increase choroidal blood flow in New Zealand rabbit. The aim of this paper is to investigate the molecular mechanism of (R,R)ZX-5 promoting NO production. Besides this, we also investigated the antiangiogenic activity of (R,R)ZX-5. Analysis of Western blot showed that (R,R)ZX-5 up-regulated the expression of Akt, p-Akt (Thr473), eNOS and p-eNOS (Ser1177), down-regulated the expression of Cyclin D1 in human retinal endothelial cells and escalated the intracellular free Ca(2+) concentration. Additionally, (R,R)ZX-5 inhibited the growth of blood vessels in the chick chorioallantoic membrane model. It is concluded that (R,R)ZX-5 promotes choroidal blood flow through PI3K/Akt-eNOS and Akt-Ca(2+)-eNOS pathways. Additionally, (R,R)ZX-5 can inhibit angiogenesis.

journal_name

Int J Mol Sci

authors

Pan L,Hu JL,Wang WJ,Zhang XJ,Wei J,Liu ZD,Zhang YH,Xu HM

doi

10.3390/ijms13032717

subject

Has Abstract

pub_date

2012-01-01 00:00:00

pages

2717-26

issue

3

issn

1422-0067

pii

ijms-13-02717

journal_volume

13

pub_type

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