Effect of MDR modulators verapamil and promethazine on gene expression levels of MDR1 and MRP1 in doxorubicin-resistant MCF-7 cells


Donmez Y., Akhmetova L., Iseri O. D., Kars M. D., GÜNDÜZ U.

CANCER CHEMOTHERAPY AND PHARMACOLOGY, cilt.67, sa.4, ss.823-828, 2011 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 67 Sayı: 4
  • Basım Tarihi: 2011
  • Doi Numarası: 10.1007/s00280-010-1385-y
  • Dergi Adı: CANCER CHEMOTHERAPY AND PHARMACOLOGY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.823-828
  • Anahtar Kelimeler: MDR reversal, MCF-7, Promethazine, Verapamil, BREAST-CANCER CELLS, MULTIDRUG-RESISTANCE, P-GLYCOPROTEIN, MEMBRANE-FLUIDITY, DRUG-RESISTANCE, REVERSAL, PHENOTHIAZINES, TRANSPORTERS, MECHANISMS, STRATEGIES
  • Orta Doğu Teknik Üniversitesi Adresli: Evet

Özet

One of the major problems of cancer chemotherapy is the development of multidrug resistance (MDR) phenotype. Among the numerous mechanisms of MDR, a prominent one is the increased expression of membrane transporter proteins, the action of which leads to decreased intracellular drug concentration and cytotoxicity of drugs. Among them, P-gp and MRP1, encoded by MDR1 and MRP1 genes, respectively, have been associated with MDR phenotype. Chemical modulators can be used to reverse MDR. These chemicals can either modulate MDR due to their substrate analogy (such as calcium channel blocker verapamil) or interact with phospholipid membranes (such as antihistaminic drug promethazine). This study focuses on the effect of verapamil and promethazine on the expression levels of MDR1 and MRP1 genes and the drug transport activity in doxorubicin-resistant MCF-7 breast carcinoma cell line.