Journal
JOURNAL OF LEUKOCYTE BIOLOGY
Volume 106, Issue 2, Pages 345-358Publisher
WILEY
DOI: 10.1002/JLB.3RU1018-378RR
Keywords
Autoimmunity; Chemokines; Disease pathogenesis; Inflammation; Manipulation of immune response; Monocyte; Macrophage
Categories
Funding
- National Natural Science Foundation of China [81503313, 81530102]
- Natural Science Foundation of Guangdong Province [2018A030310403]
- Medical Scientific Research Foundation of Guangdong Province [A2018068]
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Macrophages play an important role in a wide variety of physiologic and pathologic processes. Plasticity and functional polarization are hallmarks of macrophages. Macrophages commonly exist in two distinct subsets: classically activated macrophages (M1) and alternatively activated macrophages (M2). M2b, a subtype of M2 macrophages, has attracted increasing attention over the past decade due to its strong immune-regulated and anti-inflammatory effects. A wide variety of stimuli and multiple factors modulate M2b macrophage polarization in vitro and in vivo. M2b macrophages possess both protective and pathogenic roles in various diseases. Understanding the mechanisms of M2b macrophage activation and the modulation of their polarization might provide a great perspective for the design of novel therapeutic strategies. The purpose of this review is to discuss current knowledge of M2b macrophage polarization, the roles of M2b macrophages in a variety of diseases and the stimuli to modulate M2b macrophage polarization.
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