Regulation of innate immunity by NADPH oxidase.

Regulation of innate immunity by NADPH oxidase.
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DOI:
10.1016/j.freeradbiomed.2012.04.022
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发表时间:
2012-07-01
影响因子:
7.4
通讯作者:
Blackwell, Timothy S.
Blackwell, Timothy S.
中科院分区:
医学1区
文献类型:
--
作者:
Segal, Brahm H.;Grimm, Melissa J.;Khan, A. Nazmul H.;Han, Wei;Blackwell, Timothy S.

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NADPH 氧化酶是抗菌宿主防御和炎症的关键调节剂。吞噬细胞 NADPH 氧化酶在自然界中被微生物和微生物衍生产物激活,快速组装,并生成反应性氧化剂中间体 (ROI) 以应对感染威胁。慢性肉芽肿病 (CGD) 是一种 NADPH 氧化酶遗传性疾病,其特征是反复出现严重的细菌和真菌感染,以及与过度炎症相关的病理。对 CGD 患者和 CGD 小鼠模型的研究表明,NADPH 氧化酶在调节炎症和损伤方面发挥着与其抗菌功能不同的关键作用。 NADPH 氧化酶介导杀死病原体和调节炎症的机制与我们对正常生理免疫反应和病理状态(例如急性肺损伤和细菌或真菌感染)的理解具有广泛的相关性。
NADPH oxidase is a critical regulator of both antimicrobial host defense and inflammation. Activated in nature by microbes and microbial-derived products, the phagocyte NADPH oxidase is rapidly assembled, and generates reactive oxidant intermediates (ROIs) in response to infectious threat. Chronic granulomatous disease (CGD) is an inherited disorder of the NADPH oxidase characterized by recurrent and severe bacterial and fungal infections, and pathology related to excessive inflammation. Studies in CGD patients and CGD mouse models indicate that NADPH oxidase plays a key role in modulating inflammation and injury that is distinct from its antimicrobial function. The mechanisms by which NADPH oxidase mediates killing of pathogens and regulation of inflammation has broad relevance to our understanding of normal physiological immune responses and pathological states, such as acute lung injury and bacterial or fungal infections.
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