Chenjun Zhai

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In the present study, the effects and mechanisms of mesenchymal stem cells (MSCs) on interleukin (IL)-1β-stimulated rat chondrocytes, as well as cartilage from a rat model of osteoarthritis (OA) induced by anterior cruciate ligament transection and medial meniscectomy were investigated. Confluent rat chondrocytes were treated with IL-1β (10 ng/ml), then(More)
BACKGROUND/AIMS Periodic mechanical stress activates integrin β1-initiated signal pathways to promote chondrocyte proliferation and matrix synthesis. Integrin β1 overexpression has been demonstrated to play important roles in improving the activities and functions of several non-chondrocytic cell types. Therefore, in the current study, we evaluated the(More)
The inflammatory cytokine interleukin 17 (IL-17) is an important contributor of rheumatoid arthritis (RA) chronicity. Although several microRNAs (miRNAs) have been shown to regulate RA pathogenesis, the function of miRNAs in articular chondrocytes during rheumatoid arthritis pathogenesis is unclear. Here we showed that miR-23a was downregulated in articular(More)
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