The comprehensive role of apoptosis inhibitor of macrophage (AIM) in pathological conditions

Author:

Yang Huiqing1ORCID,Luo Yan1,Lai Xiaofei1

Affiliation:

1. Department of Laboratory Medicine, the First Affiliated Hospital of Chongqing Medical University , Chongqing 400016 , China

Abstract

Abstract CD5L/AIM (apoptosis inhibitor of macrophage), as an important component in maintaining tissue homeostasis and inflammation, is mainly produced and secreted by macrophages but partially dissociated and released from blood AIM-IgM. AIM plays a regulatory role in intracellular physiological mechanisms, including lipid metabolism and apoptosis. AIM not only increases in autoimmune diseases, directly targets liver cells in liver cancer and promotes cell clearance in acute kidney injury, but also causes arteriosclerosis and cardiovascular events, and aggravates inflammatory reactions in lung diseases and sepsis. Obviously, AIM plays a pleiotropic role in the body. However, to date, studies have failed to decipher the mechanisms behind its different roles (beneficial or harmful) in inflammatory regulation. The inflammatory response is a “double-edged sword,” and maintaining balance is critical for effective host defense while minimizing the adverse side effects of acute inflammation. Enhancing the understanding of AIM function could provide the theoretical basis for new therapies in these pathological settings. In this review, we discuss recent studies on the roles of AIM in lipid metabolism, autoimmune diseases and organic tissues, such as liver cancer, myocardial infarction, and kidney disease.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Chongqing

Publisher

Oxford University Press (OUP)

Subject

Immunology,Immunology and Allergy

Reference97 articles.

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