Role of nitric oxide-derived oxidants in vascular injury from carbon monoxide in the rat.
Role of nitric oxide-derived oxidants in vascular injury from carbon monoxide in the rat.
复制标题
一氧化氮衍生的氧化剂在大鼠一氧化碳血管损伤中的作用。
DOI:
10.1152/ajpheart.1999.276.3.h984
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发表时间:
1999
期刊:
影响因子:
--
通讯作者:
Ischiropoulos,H
中科院分区:
文献类型:
--
作者:
Thom,SR;Fisher,D;Xu,YA;Garner,S;Ischiropoulos,H
Studies were conducted with rats to investigate whether exposure to CO at concentrations frequently found in the environment caused nitric oxide (NO)-mediated vessel wall changes. Exposure to CO at concentrations of 50 parts per million or higher for 1 h increased the concentration of nitrotyrosine in the aorta. Immunologically reactive nitrotyrosine was localized in a discrete fashion along the endothelial lining, and this was inhibited by pretreatment with the NO synthase (NOS) inhibitorNω-nitro-l-arginine methyl ester (l-NAME). The CO-induced elevations of aortic nitrotyrosine were not altered by neutropenia or thrombocytopenia, and CO caused no change in the concentration of endothelial NOS. Consequences from NO-derived stress on the vasculature included an enhanced transcapillary efflux of albumin within the first 3 h after CO exposure and leukocyte sequestration that became apparent 18 h after CO exposure. Oxidized plasma low-density lipoprotein was found immediately after CO exposure, but this was not inhibited byl-NAME pretreatment. We conclude that exposure to relatively low CO concentrations can alter vascular status by several mechanisms and that many changes are linked to NO-derived oxidants.
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DOI:
--
发表时间:
1993
期刊:
影响因子:
--
作者:
Godin Dv;D. Dm
通讯作者:
D. Dm
DOI:
10.1164/ajrccm.149.1.8111586
发表时间:
1994
影响因子:
24.7
作者:
Thom,SR;Mendiguren,I;VanWinkle,T;Fisher,D;Fisher,AB
通讯作者:
Fisher,AB
影响因子:
56.9
作者:
A. Hexter;J. Goldsmith
通讯作者:
J. Goldsmith
影响因子:
3.9
作者:
ISCHIROPOULOS, H;ZHU, L;BECKMAN, JS
通讯作者:
BECKMAN, JS
影响因子:
3.8
作者:
D. Penney;P. Sodt;A. Cutilletta
通讯作者:
A. Cutilletta