Macrophages in organ fibrosis: from pathogenesis to therapeutic targets

Abstract Fibrosis, an excessive self-repair response, is an age-related pathological process that universally affects various major organs such as the heart, liver, kidney, and lungs. Continuous accumulation of pathological tissue fibrosis destroys structural integrity and causes loss of function, w...

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Bibliographic Details
Main Authors: Yuanyuan Jiang, Rong Cai, Yu Huang, Like Zhu, Long Xiao, Caihong Wang, Lihong Wang
Format: Article
Language:English
Published: Nature Publishing Group 2024-12-01
Series:Cell Death Discovery
Online Access:https://doi.org/10.1038/s41420-024-02247-1
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Summary:Abstract Fibrosis, an excessive self-repair response, is an age-related pathological process that universally affects various major organs such as the heart, liver, kidney, and lungs. Continuous accumulation of pathological tissue fibrosis destroys structural integrity and causes loss of function, with consequent organ failure and increased mortality. Although some differences exist in the triggering mechanisms and pathophysiologic manifestations of organ-specific fibrosis, they usually share similar cascading responses and features, including chronic inflammatory stimulation, parenchymal cell injury, and macrophage recruitment. Macrophages, due to their high plasticity, can polarize into different phenotypes in response to varied microenvironments and play a crucial role in the development of organ fibrosis. This review examined the relationship between macrophages and the pathogenesis of organ fibrosis. Moreover, it analyzed how fibrosis can be modulated by targeting macrophages, which may become a novel and promising therapeutic strategy for fibrosis.
ISSN:2058-7716