ABCB1-IN-3

ABCB1-IN-3 (Compound K27) is an orally active inhibitor of ABCB1, and induces apoptosis. ABCB1-IN-3 directly binds to ABCB1 to inhibit efflux function, ensuring stable intracellular concentration of Paclitaxel (PTX) without affecting ABCB1 normal expression. ABCB1-IN-3 significantly increases the sensitivity of ABCB1-mediated multidrug resistance (MDR) to Paclitaxel in vitro, enhances cell cycle arrest, and inhibits proliferation. BCB1-IN-3 combined with Paclitaxel exhibits potent tumor suppression in vivo without generating toxicity[1].