Celastrol (Tripterin) is a plant-derived triterpene. Celastrol(Tripterin) has anti-inflammatory and immunosuppressive activity. Celastrol(Tripterin) is Antioxidant and anti-inflammatory agent. Potently inhibits lipid peroxidation in mitochondria and inhibits TNF-α-induced NFκB activation. Also shown to inhibit topoisomerase II activity in vitro (IC50 = 7.41 μM).