Macrophage Polarization in the Osteoarthritis Pathogenesis and Treatment

ABSTRACT Osteoarthritis (OA) is a prevalent degenerative disorder that severely impacts quality of life due to pain and disability. Although the pathophysiology of OA remains incompletely understood, recent research highlights the role of synovial inflammation in OA onset and progression, driven pri...

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Main Authors: Xiongfei Zou, Hongjun Xu, Wenwei Qian
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Orthopaedic Surgery
Subjects:
Online Access:https://doi.org/10.1111/os.14302
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author Xiongfei Zou
Hongjun Xu
Wenwei Qian
author_facet Xiongfei Zou
Hongjun Xu
Wenwei Qian
author_sort Xiongfei Zou
collection DOAJ
description ABSTRACT Osteoarthritis (OA) is a prevalent degenerative disorder that severely impacts quality of life due to pain and disability. Although the pathophysiology of OA remains incompletely understood, recent research highlights the role of synovial inflammation in OA onset and progression, driven primarily by inflammatory infiltrates, especially macrophages, in the synovium. These macrophages respond to the local microenvironment, polarizing into either pro‐inflammatory (M1) or anti‐inflammatory (M2) subtypes. This review focuses on the role of macrophage polarization in OA pathogenesis and treatment, emphasizing how M1/M2 polarization is influenced by pathways such as STAT, NF‐κB, caspase, and MAPK. These pathways induce low‐grade inflammation within OA‐affected joints, altering chondrocyte metabolism, inhibiting cartilage repair, and impairing mesenchymal stem cell chondrogenesis, thereby contributing to OA progression. Additionally, this review discusses potential therapies targeting macrophage polarization, encompassing compounds, proteins, cells, and microRNAs, to offer insights into novel treatment strategies for OA.
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institution Kabale University
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language English
publishDate 2025-01-01
publisher Wiley
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series Orthopaedic Surgery
spelling doaj-art-750647c622ce42d188c36f72a8489da92025-01-16T05:31:15ZengWileyOrthopaedic Surgery1757-78531757-78612025-01-01171223510.1111/os.14302Macrophage Polarization in the Osteoarthritis Pathogenesis and TreatmentXiongfei Zou0Hongjun Xu1Wenwei Qian2Department of Orthopedic Surgery Peking Union Medical College Hospital Beijing ChinaDepartment of Orthopedic Surgery Peking Union Medical College Hospital Beijing ChinaDepartment of Orthopedic Surgery Peking Union Medical College Hospital Beijing ChinaABSTRACT Osteoarthritis (OA) is a prevalent degenerative disorder that severely impacts quality of life due to pain and disability. Although the pathophysiology of OA remains incompletely understood, recent research highlights the role of synovial inflammation in OA onset and progression, driven primarily by inflammatory infiltrates, especially macrophages, in the synovium. These macrophages respond to the local microenvironment, polarizing into either pro‐inflammatory (M1) or anti‐inflammatory (M2) subtypes. This review focuses on the role of macrophage polarization in OA pathogenesis and treatment, emphasizing how M1/M2 polarization is influenced by pathways such as STAT, NF‐κB, caspase, and MAPK. These pathways induce low‐grade inflammation within OA‐affected joints, altering chondrocyte metabolism, inhibiting cartilage repair, and impairing mesenchymal stem cell chondrogenesis, thereby contributing to OA progression. Additionally, this review discusses potential therapies targeting macrophage polarization, encompassing compounds, proteins, cells, and microRNAs, to offer insights into novel treatment strategies for OA.https://doi.org/10.1111/os.14302macrophagesosteoarthritispathogenesispolarizationprogressiontreatment
spellingShingle Xiongfei Zou
Hongjun Xu
Wenwei Qian
Macrophage Polarization in the Osteoarthritis Pathogenesis and Treatment
Orthopaedic Surgery
macrophages
osteoarthritis
pathogenesis
polarization
progression
treatment
title Macrophage Polarization in the Osteoarthritis Pathogenesis and Treatment
title_full Macrophage Polarization in the Osteoarthritis Pathogenesis and Treatment
title_fullStr Macrophage Polarization in the Osteoarthritis Pathogenesis and Treatment
title_full_unstemmed Macrophage Polarization in the Osteoarthritis Pathogenesis and Treatment
title_short Macrophage Polarization in the Osteoarthritis Pathogenesis and Treatment
title_sort macrophage polarization in the osteoarthritis pathogenesis and treatment
topic macrophages
osteoarthritis
pathogenesis
polarization
progression
treatment
url https://doi.org/10.1111/os.14302
work_keys_str_mv AT xiongfeizou macrophagepolarizationintheosteoarthritispathogenesisandtreatment
AT hongjunxu macrophagepolarizationintheosteoarthritispathogenesisandtreatment
AT wenweiqian macrophagepolarizationintheosteoarthritispathogenesisandtreatment