Reversal of multidrug resistance in murine lymphoma cells by amphiphilic dihydropyridine antioxidant derivative

Autor: Marina, Cindric, Ana, Cipak, Julianna, Serly, Aiva, Plotniece, Morana, Jaganjac, Lidija, Mrakovcic, Tomislava, Lovakovic, Azra, Dedic, Ivo, Soldo, Gunars, Duburs, Neven, Zarkovic, József, Molnár
Rok vydání: 2010
Předmět:
Zdroj: Anticancer research. 30(10)
ISSN: 1791-7530
Popis: Multidrug resistance, the principal mechanism by which cancer cells develop resistance to chemotherapy drugs, is a major factor in the failure of many forms of chemotherapies.The aim of the study was to investigate the effect of K-2-11 on the reversal of multidrug resistance.The effects of amphiphilic dihydropyridine derivative K-2-11 were tested on MDR1-expressing mouse lymphoma cells and their parental control. The effects of K-2-11 with and without doxorubicin were studied by determination of cell viability, cell proliferation and production of reactive oxygen species.K-2-11 caused complete reversal of multidrug resistance of the MDR cells, being much more efficient than the positive control verapamil. Accordingly, the cytotoxic effects of doxorubicin were enhanced by K-2-11, both in the MDR and in parental cell line, while K-2-11 alone did not affect cell viability. K-2-11 also acted as an antioxidant, reducing the cellular generation of reactive oxygen species.Our results indicate the high potential of K-2-11 as a novel antioxidant with potent MDR-blocking ability that should be studied further for development in adjuvant anticancer treatments.
Databáze: OpenAIRE