ArticleBMC musculoskeletal disorders2024
A CCL2/MCP-1 antagonist attenuates fibrosis of the infrapatellar fat pad in a rat model of arthritis.
Article in BMC musculoskeletal disorders, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Enrichment of HLA-DRiScience · 2026Article
- Unraveling the pleiotropic effects of CCR2-dependent signal transduction in fibrosis development.Theranostics · 2026Review
- Intra-Articular Delivery of Nanoemulsified Curcumin Ameliorates Joint Degeneration in a Chemically Induced Model of Osteoarthritis.International journal of molecular sciences · 2025Article
- Infrapatellar Fat Pad in Knee Osteoarthritis: A Comprehensive Review of Pathophysiology and Targeted Therapeutic Strategies.International journal of molecular sciences · 2025Review
- Acupotomy Alleviates Capsular Fibrosis in Frozen Shoulder Rats by Modulating CCL2 to Inhibit Macrophage Recruitment and Suppress the Inflammatory Response.Journal of inflammation research · 2025Article
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Authors and funding
4 authors.
Funding
Abstract
backgroundFibrosis of the infrapatellar fat pad (IFP) is a feature of osteoarthritis and contributes substantially to the pain and dysfunction in patients' joints. However, the underlying mechanisms remain unclear. C-C motif chemokine ligand-2 (CCL2) plays a central role in tissue fibrosis. Thus, we aimed to investigate the role of CCL2 in the development of IFP fibrosis in a rat model of arthritis, hypothesizing that a CCL2 antagonist could mitigate fibrotic progression.
methodsWe induced arthritis in male Wistar rats using intra-articular injections of carrageenan. Furthermore, to evaluate the effects of a CCL2 antagonist on protein expression and collagen deposition in the IFP of the rats, we transferred an N-terminal-truncated CCL2 gene into a rat model via electroporation-mediated intramuscular injection. Macrophage infiltration and collagen deposition in the IFP were analyzed in vivo. Groups were compared using the Mann-Whitney U test and Student's t-test.
resultsWe identified infiltrating macrophages as well as increases in CCL2 and TGF-β levels as collagen deposition progressed. Gene transfer of the CCL2-antagonist before arthritis induction attenuated collagen deposition remarkably.
conclusionsWe provide initial evidence that anti-CCL2 gene therapy can effectively suppress the development of IFP fibrosis in a rat model. Thus, targeting CCL2 holds promise as a therapeutic strategy for managing tissue fibrosis in osteoarthritis patients.
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