journal article Open Access Jan 29, 2024

Osteoclasts and osteoarthritis: Novel intervention targets and therapeutic potentials during aging

Aging Cell Vol. 23 No. 4 · Wiley
View at Publisher Save 10.1111/acel.14092
Abstract
AbstractOsteoarthritis (OA), a chronic degenerative joint disease, is highly prevalent among the aging population, and often leads to joint pain, disability, and a diminished quality of life. Although considerable research has been conducted, the precise molecular mechanisms propelling OA pathogenesis continue to be elusive, thereby impeding the development of effective therapeutics. Notably, recent studies have revealed subchondral bone lesions precede cartilage degeneration in the early stage of OA. This development is marked by escalated osteoclast‐mediated bone resorption, subsequent imbalances in bone metabolism, accelerated bone turnover, and a decrease in bone volume, thereby contributing significantly to the pathological changes. While the role of aging hallmarks in OA has been extensively elucidated from the perspective of chondrocytes, their connection with osteoclasts is not yet fully understood. There is compelling evidence to suggest that age‐related abnormalities such as epigenetic alterations, proteostasis network disruption, cellular senescence, and mitochondrial dysfunction, can stimulate osteoclast activity. This review intends to systematically discuss how aging hallmarks contribute to OA pathogenesis, placing particular emphasis on the age‐induced shifts in osteoclast activity. It also aims to stimulate future studies probing into the pathological mechanisms and therapeutic approaches targeting osteoclasts in OA during aging.
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References
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Oxidative stress and inflammation in osteoarthritis pathogenesis: Role of polyphenols

Mohammad Yunus Ansari, Nashrah Ahmad, Tariq M Haqqi

Biomedicine & Pharmacotherapy 10.1016/j.biopha.2020.110452

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Published
Jan 29, 2024
Vol/Issue
23(4)
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Funding
National Natural Science Foundation of China Award: 82100936
Taishan Scholar Foundation of Shandong Province Award: tsqnz20221170
Natural Science Foundation of Shandong Province Award: ZR2021QH077
Cite This Article
Haojue Wang, Tao Yuan, Yi Wang, et al. (2024). Osteoclasts and osteoarthritis: Novel intervention targets and therapeutic potentials during aging. Aging Cell, 23(4). https://doi.org/10.1111/acel.14092