MDR multidrug resistance
MDR (multidrug resistance) is a property that first identified in tumor cell, hat the resistance of tumor cell is to a variety of chemotherapy agent due to active efflux via transporter proteins.
- Pyronaridine TetraphosphateCatalog No. :A1931Antimalarial agent
Pyronaridine (PND), a synthetic quinolone derivative frequently prescribed for the treatment of malaria, is a selective and potent multidrug resistance (MDR) modulator of Pgp-mediated MDR that inhibits the proliferation of a variety of tumor cells, including myeloid leukemia (K562 and K562/A02), epidermoid carcinoma (KB and KBV200), breast carcinoma (MCF-7 and MCF-7/ADR), ovarian carcinoma (SKOV3, ES-2 and PA-1), gastric carcinoma (BGC-823), colon carcinoma (LoVo), hepatocellular carcinoma (SMMZ-7721 and QGY-7703), with the half maximal inhibition concentration IC50 values of 8.3 μM, 5.6 μM, 20.8 μM, 14.5 μM, 9.5 μM, 11 μM, 9.7 μM, 12.9 μM, 15.7 μM, 14.9 μM, 21.4 μM, 10.9 μM and 17.1 μM respectively .