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Updated: Aug 6, 2026
Ameliorating Osteoarthritis in Mice Using Silver Nanoparticles
Published on: June 2, 2023
Multimodal modulation of metal-based nanomaterials in osteoarthritis immunotherapy: current landscape and future
Jiayi Chen1, Jun Ma1, Zhuoming Xu1
1Jiaxing Key Laboratory of Basic Research and Clinical Translation on Orthopedic Biomaterials, Department of Orthopedics, The Second Affiliated Hospital of Jiaxing University, Jiaxing, China.
Abstract:
Osteoarthritis (OA) is a degenerative joint disease characterized by immune-metabolic dysregulation, oxidative stress, and chronic inflammation. Current therapies offer symptomatic relief but do not halt disease progression. Metal-based nanomaterials (MNMs) have recently emerged as innovative immunomodulatory agents for OA treatment. This review summarizes key immune-pathological mechanisms in OA, such as macrophage polarization imbalance, NLRP3 inflammasome activation, and ferroptosis, and examines how MNMs mitigate these processes via ROS scavenging, macrophage reprogramming, and targeted inhibition of inflammatory signaling. We also highlight advanced material design strategies such as surface functionalization and stimulus-responsive drug release for improved targeting and efficacy. Despite promising preclinical results, challenges related to long-term biosafety and clinical translation remain. Future efforts should focus on rational nanomaterial design, mechanistic studies using advanced omics technologies, and the development of more physiologically relevant disease models to facilitate clinical application.
Insights
Metal-based nanomaterials (MNMs) show promise for treating osteoarthritis (OA) by modulating immune responses and reducing inflammation. Further research is needed for safe clinical application of these novel OA therapies.
Area of Science:
- Biomedical Engineering
- Immunology
- Nanomedicine
Background:
- Osteoarthritis (OA) is a degenerative joint disease driven by immune-metabolic dysregulation, oxidative stress, and chronic inflammation.
- Current OA treatments provide only symptomatic relief and do not impede disease progression.
- Metal-based nanomaterials (MNMs) are emerging as a novel therapeutic strategy for OA due to their immunomodulatory properties.
Purpose of the Study:
- To review the immune-pathological mechanisms underlying osteoarthritis.
- To examine the potential of metal-based nanomaterials (MNMs) in mitigating these pathological processes.
- To discuss advanced MNM design strategies and future directions for clinical translation.
Main Methods:
- Literature review of immune-pathological mechanisms in OA, including macrophage polarization, NLRP3 inflammasome activation, and ferroptosis.
- Analysis of how MNMs address these mechanisms through ROS scavenging, macrophage reprogramming, and anti-inflammatory signaling.
- Exploration of material design strategies like surface functionalization and stimulus-responsive release.
Main Results:
- MNMs demonstrate potential in scavenging reactive oxygen species (ROS), reprogramming macrophages, and inhibiting inflammatory signaling pathways implicated in OA.
- Advanced design strategies enhance MNM targeting and efficacy for OA treatment.
- Promising preclinical data suggest MNMs can effectively target key OA pathologies.
Conclusions:
- MNMs offer a promising therapeutic avenue for osteoarthritis by targeting key immune and metabolic dysregulations.
- Challenges in long-term biosafety and clinical translation require focused research.
- Future work should prioritize rational MNM design, omics-based mechanistic studies, and improved disease models for successful clinical application.
