一氧化氮:中性粒细胞免疫反应的调节和功能。

IF 5.9 2区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Antioxidants & redox signaling Pub Date : 2024-06-01 Epub Date: 2024-03-08 DOI:10.1089/ars.2022.0220
Sachin Kumar, Madhu Dikshit
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引用次数: 0

摘要

意义重大:中性粒细胞是先天性免疫系统的重要组成部分,可对抗入侵的病原体并维持体内平衡。一氧化氮(NO-)通过自分泌和旁分泌等多种机制对中性粒细胞的滚动、粘附、氧化猝灭、趋化、吞噬、胞吞、凋亡和NETosis产生调节作用:最新研究发现,NO- 在中性粒细胞祖细胞的增殖、分化、存活和其他功能中起着关键作用。此外,NO-的反应取决于浓度、邻近性和氧化还原环境,凸显了NO-影响中性粒细胞反应的错综复杂的环境依赖性机制:中性粒细胞表达两种组成型一氧化氮合酶(NOS)异构体,即 iNOS 和 nNOS。这些异构体产生的一氧化氮或超氧化物(O2--)自由基取决于底物 L-精氨酸和氧以及 NADPH、FAD、FMN 和氧化还原敏感性 BH4 等辅助因子的水平。重要的是,NO-和超氧化物之间的相互作用会在吞噬溶酶体内产生强效氧化剂。NO-和O2-的协调合作和调节对氧化还原信号和中性粒细胞特性至关重要:中性粒细胞 NOS 的活性在多个水平上受到调控,包括转录调控、辅助因子的可用性、蛋白质之间的相互作用以及翻译后修饰。然而,我们对中性粒细胞各种功能过程中的调控机制的了解仍然有限。虽然我们现在认识到了中性粒细胞的异质性、新陈代谢适应性和抗肿瘤能力;但是,有关 NOS/NO- 在感染、炎症和免疫抑制中的作用的报道在很大程度上仍未得到探讨。未来针对这些有趣领域的研究将对揭示 NO/NOS 信号在中性粒细胞不同病理中的作用至关重要,并可能带来治疗机会。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Nitric Oxide: Regulation and Function in Neutrophil Immune Responses.
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来源期刊
Antioxidants & redox signaling
Antioxidants & redox signaling 生物-内分泌学与代谢
CiteScore
14.10
自引率
1.50%
发文量
170
审稿时长
3-6 weeks
期刊介绍: Antioxidants & Redox Signaling (ARS) is the leading peer-reviewed journal dedicated to understanding the vital impact of oxygen and oxidation-reduction (redox) processes on human health and disease. The Journal explores key issues in genetic, pharmaceutical, and nutritional redox-based therapeutics. Cutting-edge research focuses on structural biology, stem cells, regenerative medicine, epigenetics, imaging, clinical outcomes, and preventive and therapeutic nutrition, among other areas. ARS has expanded to create two unique foci within one journal: ARS Discoveries and ARS Therapeutics. ARS Discoveries (24 issues) publishes the highest-caliber breakthroughs in basic and applied research. ARS Therapeutics (12 issues) is the first publication of its kind that will help enhance the entire field of redox biology by showcasing the potential of redox sciences to change health outcomes. ARS coverage includes: -ROS/RNS as messengers -Gaseous signal transducers -Hypoxia and tissue oxygenation -microRNA -Prokaryotic systems -Lessons from plant biology
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