Nitric oxide synthase and structure-based inhibitor design.

Nitric oxide synthase and structure-based inhibitor design.
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一氧化氮合酶和基于结构的抑制剂设计。

DOI:
10.1016/j.niox.2016.11.004
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发表时间:
2017-02-28
期刊:
Nitric oxide : biology and chemistry
影响因子:
--
通讯作者:
Li H
Li H
中科院分区:
其他
文献类型:
--
作者:
Poulos TL;Li H

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一旦发现一氧化氮合酶(NOS)负责一氧化氮的生物合成,NOS就成为了药物靶点。特别重要的是,在各种神经退行性疾病中,神经元NOS (nNOS)过量产生NO。在确定了各种NOS亚型后,抑制剂的开发进展迅速。然而,很快就发现,同工异构体的选择性是一个重大挑战。所有3种人类NOS异构体,nNOS、eNOS(内皮型NOS)和iNOS(诱导型NOS)具有几乎相同的活性位点结构,因此选择性抑制剂设计尤其困难。特别重要的是避免抑制eNOS,因为它在心血管系统中的重要作用。本文综述了NOS抑制剂发展的一些历史,以及主要基于结构的方法开发同种异构体选择性抑制剂的最新进展。
Once it was discovered that the enzyme nitric oxide synthase (NOS) is responsible for the biosynthesis of NO, NOS became a drug target. Particularly important is the over production of NO by neuronal NOS (nNOS) in various neurodegenerative disorders. After the various NOS isoforms were identified, inhibitor development proceeded rapidly. It soon became evident, however, that isoform selectivity presents a major challenge. All 3 human NOS isoforms, nNOS, eNOS (endothelial NOS), and iNOS (inducible NOS) have nearly identical active site structures thus making selective inhibitor design especially difficult. Of particular importance is the avoidance of inhibiting eNOS owing to its vital role in the cardiovascular system. This review summarizes some of the history of NOS inhibitor development and more recent advances in developing isoform selective inhibitors using primarily structure-based approaches.
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