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Obes Rev. 2015 Feb;16(2):127-36. doi: 10.1111/obr.12242. Epub 2015 Jan 13.

Macrophage recruitment in obese adipose tissue.

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Division of Environmental Health Sciences, College of Public Health, Ohio State University, Columbus, Ohio, USA; Molecular, Cellular, and Developmental Biology Program, College of Medicine, Ohio State University, Columbus, Ohio, USA.


Obesity is characterized as a chronic state of low-grade inflammation with progressive immune cell infiltration into adipose tissues. Adipose tissue macrophages play critical roles in the establishment of the chronic inflammatory state and metabolic dysfunctions. The novel discovery that pro-inflammatory macrophages are recruited to obese adipose tissue prompted an increased interest in the interplay between immune cells and metabolism. Since this discovery, many works have been published investigating the factors that lead to macrophage recruitment, the phenotypic change of adipose tissue macrophages, and metabolic dysfunctions. Adipokines and chemokines are key mediators that play crucial roles in crosstalk between adipocytes and macrophages and in regulating the adipose tissue inflammation. In the present review, we discuss the obesity-mediated adipose tissue remodelling, and particularly, the role of adipokines/chemokines in macrophage recruitment to obese adipose tissue. This review provides new insights into the physiological role of these factors and identifies a potential therapeutic target for obesity and associated disorders.


Adipokine; chemokine; macrophage; obesity

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