• Biomed. Pharmacother. · Nov 2020

    Review

    Macrophages in pancreatitis: Mechanisms and therapeutic potential.

    • Fenglin Hu, Ni Lou, Juying Jiao, Fangyue Guo, Hong Xiang, and Dong Shang.
    • Laboratory of Integrative Medicine, First Affiliated Hospital of Dalian Medical University, Dalian, 116000, Liaoning, China; Institute (College) of Integrative Medicine, Dalian Medical University, Dalian, 116000, Liaoning, China; Department of General Surgery, Pancreatic-Biliary Center, First Affiliated Hospital of Dalian Medical University, Dalian, 116000, Liaoning, China.
    • Biomed. Pharmacother. 2020 Nov 1; 131: 110693.

    AbstractMacrophages play a crucial role in the pathogenesis of pancreatitis that is a common gastrointestinal disease. Particularly, macrophages differentiate into different phenotypes and exert diverse functions in acute pancreatitis (AP) and chronic pancreatitis (CP), respectively. In AP, macrophages in the pancreas and other related organs are mainly activated and differentiated into a pro-inflammatory M1 phenotype, and furthermore secrete inflammatory cytokines and mediators, causing local inflammation of the pancreas, and even intractable systemic inflammatory response or multiple organ failure. In CP, macrophages often exhibit a M2 polarisation and interact with pancreatic stellate cells (PSCs) in an autocrine and paracrine cytokine-dependent manner to promote the progression of pancreatic fibrosis. As the severity of pancreatic fibrosis aggravates, the proportion of M2/M1 macrophage cytokines in the pancreas increases. The discovery of macrophages in the pathogenesis of pancreatitis has promoted the research of targeted drugs, which provides great potential for the effective treatment of pancreatitis. This paper provides an overview of the roles of various macrophages in the pathogenesis of pancreatitis and the current research status of pancreatitis immunotherapy targeting macrophages. The findings addressed in this review are of considerable significance for understanding the pivotal role of macrophages in pancreatitis.Copyright © 2020 The Author(s). Published by Elsevier Masson SAS.. All rights reserved.

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