期刊
FRONTIERS IN IMMUNOLOGY
卷 14, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2023.1117548
关键词
macrophage polarization; polarization regulation; immunometabolism; metabolic reprogramming; acute lung injury; acute respiratory distress syndrome
类别
Lung macrophages play a crucial role in defending against airborne particles and microbes. They are also involved in the development of acute lung injury and acute respiratory distress syndrome by modulating inflammatory responses and repairing damaged lung tissues. Macrophage polarization, which is regulated by immunometabolism and its intermediates, may provide new therapeutic targets for ALI/ARDS.
Lung macrophages constitute the first line of defense against airborne particles and microbes and are key to maintaining pulmonary immune homeostasis. There is increasing evidence suggesting that macrophages also participate in the pathogenesis of acute lung injury (ALI)/acute respiratory distress syndrome (ARDS), including the modulation of inflammatory responses and the repair of damaged lung tissues. The diversity of their functions may be attributed to their polarized states. Classically activated or inflammatory (M1) macrophages and alternatively activated or anti-inflammatory (M2) macrophages are the two main polarized macrophage phenotypes. The precise regulatory mechanism of macrophage polarization is a complex process that is not completely understood. A growing body of literature on immunometabolism has demonstrated the essential role of immunometabolism and its metabolic intermediates in macrophage polarization. In this review, we summarize macrophage polarization phenotypes, the role of immunometabolism, and its metabolic intermediates in macrophage polarization and ALI/ARDS, which may represent a new target and therapeutic direction.
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