Human Heme Oxygenase (HO)-1 Deficiency and the Oxidative Injury of Vascular Endothelial Cells

Human Heme Oxygenase (HO)-1 Deficiency and the Oxidative Injury of Vascular Endothelial Cells
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人血红素加氧酶(HO)-1缺乏与血管内皮细胞氧化损伤

DOI:
10.1007/978-1-4615-0741-3_28
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发表时间:
2002
期刊:
影响因子:
4.8
通讯作者:
S. Koizumi
S. Koizumi
中科院分区:
生物学3区
文献类型:
--
作者:
A. Yachie;T. Toma;S. Shimura;L. Yue;K. Morimoto;K. Maruhashi;Y. Niida;K. Ohta;Y. Kasahara;Y. Saikawa;S. Koizumi

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血红素加氧酶-1(HO-1)是HO的三种同工酶之一,可催化血红素降解为胆绿素、一氧化碳(CO)和游离铁。1,2,3,4,5最近的实验数据表明,血红素降解产物之一CO作用于细胞代谢,保护细胞免受氧化应激,并调节炎症分子的产生。6,7,8因此,CO直接控制给定组织的炎症状态,同时调节靶器官内的微循环水平,作为气体血管扩张剂。9,10,11在具有相似酶活性的三种同工酶中,HO-1是唯一一种在各种氧化应激刺激下快速诱导的蛋白质。12,13,14因此,提示其功能上的任何缺陷将导致在某些外源性损伤(例如感染和溶血)下不可控制的炎症反应。
Heme oxygenase-1 (HO-1) constitutes one of the three isozymes of HO, which catalyze the degradation of heme into biliverdin, carbon monoxide (CO) and free iron.1, 2, 3, 4, 5 Recent experimental data indicate that one of the heme degradation products, CO acts on cellular metabolism to protect cells from oxidative stress and regulate production of inflammatory molecules.6, 7, 8 As a result, CO directly controls the inflammatory state of a given tissue and at the same time, regulates the level of microcirculation within the target organs acting as a gaseous vasodilator.9, 10, 11 Among three isozymes with similar enzyme activities, HO-1 is the only protein which is rapidly induced upon stimulation with various oxidative stresses.12, 13, 14 Therefore, it is suggested that any defect in its function will lead to uncontrollable inflammatory responses upon certain exogenous insults, such as infection and hemolysis.
DOI: 10.1111/j.1432-1033.1997.00725.x
发表时间: 1997-07-15
期刊: EUROPEAN JOURNAL OF BIOCHEMISTRY
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发表时间: 1998
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