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Updated: May 4, 2026

Differentiation of Functional Osteoclasts from Human Peripheral Blood CD14+ Monocytes
Published on: January 27, 2023
The osteoclast: a potential therapeutic target of bone and joint destruction in rheumatoid arthritis
1Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033 , Japan.
Abstract:
Abstract There is accumulating evidence that osteoclasts, the primary cells responsible for bone resorption, are involved in bone and joint destruction in rheumatoid arthritis (RA). Recent progress in bone cell biology has revealed the molecular mechanism of osteoclast differentiation and bone resorption by mature osteoclasts. We here highlight the potential role of RANKL-RANK pathways in bone destruction in RA. We also describe our recent trials on gene therapy of arthritic joint disease targeting osteoclasts by regulating Src kinase activity in the cells.
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