Folate-modified liposomal celastrol for rheumatoid arthritis: therapeutic efficacy and modulation of ROS/NF-κB/COX-2-related inflammatory signaling
BackgroundRheumatoid arthritis (RA) is a chronic autoimmune disorder characterized by severe synovial inflammation, joint deformities, and progressive tissue destruction. Celastrol (Cel), a natural triterpenoid with anti-inflammatory and antioxidant ac…