Therapeutic Potential of the Nitrite-Generated NO Pathway in Vascular Dysfunction.

Therapeutic Potential of the Nitrite-Generated NO Pathway in Vascular Dysfunction.
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DOI:
10.3389/fimmu.2013.00174
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发表时间:
2013
影响因子:
7.3
通讯作者:
Zuckerbraun B
Zuckerbraun B
中科院分区:
医学2区
文献类型:
--
作者:
Madigan M;Zuckerbraun B

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内皮型一氧化氮合酶(eNOS)通过l -精氨酸代谢产生一氧化氮(NO)是血管壁的重要调节剂。该系统的失调与各种病理性血管状况有关,包括动脉粥样硬化、血管生成、动脉生成、内膜增生和肺动脉高压。病理生理学涉及到通过精氨酸酶对l -精氨酸的竞争性利用和“eNOS解耦”降低血管壁内NO的生物利用度。通过还原硝酸盐和亚硝酸盐生成一氧化氮是另一种途径,可用于增加血管壁内一氧化氮的生物利用度。我们综述了硝酸盐/亚硝酸盐/一氧化氮通路在血管功能障碍中的治疗潜力。
Nitric oxide (NO) generated through L-arginine metabolism by endothelial nitric oxide synthase (eNOS) is an important regulator of the vessel wall. Dysregulation of this system has been implicated in various pathological vascular conditions, including atherosclerosis, angiogenesis, arteriogenesis, neointimal hyperplasia, and pulmonary hypertension. The pathophysiology involves a decreased bioavailability of NO within the vessel wall by competitive utilization of L-arginine by arginase and “eNOS uncoupling.” Generation of NO through reduction of nitrate and nitrite represents an alternative pathway that may be utilized to increase the bioavailability of NO within the vessel wall. We review the therapeutic potential of the nitrate/nitrite/NO pathway in vascular dysfunction.
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