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1 一氧化氮、一氧化氮合酶及其代谢 ＮＯ是Ｌ 精氨酸在一氧化氮合酶 (Ｎｉｔｒｉｃｏｘｉｄｅｓｙｎｔｈａｓｅ,ＮＯＳ)的作用下氧化生成的一种极不稳定的气体 ,半衰期约5ｓ。ＮＯＳ分为 3型 :Ｉ型ＮＯＳ(ｎＮＯＳ)主要存在于中枢神经、外周神经系统 ;Ⅱ型ＮＯＳ(ｍａｃＮ
Nitric oxide, nitric oxide synthase and their metabolism NO is a very unstable gas oxidized by L-arginine under the action of nitric oxide synthase (NOS) with a half-life of about 5s. NOS is divided into three types: Type I NOS (nNOS) mainly in the central nervous system and peripheral nervous system; Type II NOS (macN