TL1A deficiency attenuates osteoarthritis by regulating oxidative stress-induced senescence in articular chondrocytes [II]

Osteoarthritis (OA) is a prevalent degenerative joint disease characterized by progressive cartilage degradation, chronic inflammation, and chondrocyte senescence. Tumor necrosis factor-like cytokine 1A (TL1A), a member of the TNF superfamily, has recently been implicated in regulating inflammatory processes and tissue remodeling. However, its precise role in OA pathogenesis remains incompletely understood. In this study, we investigated the impact of TL1A deficiency on OA progression and its underlying mechanism with a focus on oxidative stress-induced chondrocyte senescence.