Algerian Propolis Potentiates Doxorubicin Mediated Anticancer Effect Against Human Pancreatic PANC-1 Cancer Cell Line through Cell Cycle Arrest, Apoptosis Induction and P-Glycoprotein Inhibition

被引:16
作者
Rouibah, Hassiba [1 ]
Kebsa, Wided [1 ]
Lahouel, Mesbah [1 ]
Zihlif, Malek [2 ]
Ahram, Mamoun [2 ]
Aburmeleih, Bachaer [3 ]
Mustafa, Ebtihal [2 ]
El-Amir, Hemzeh [2 ]
机构
[1] Univ Jijel, Lab Mol Toxicol, Fac Sci, Jijel 18000, Algeria
[2] Univ Jordan, Lab Pharmacol, Fac Med, Amman, Jordan
[3] Univ Jordan, Hamdi Mango Ctr Sci Res, Amman, Jordan
关键词
Algerian propolis; doxorubicin; PANC-1; P-gp; apoptosis; cell cycle; anticancer; potentiates; ACID PHENETHYL ESTER; BREAST-CANCER; TURKISH PROPOLIS; ETHANOL EXTRACT; IN-VITRO; CONSTITUENTS; STATISTICS; COLON;
D O I
10.2174/1871520618666180110143239
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Background: Pancreatic cancer is one of the most aggressive and lethal cancers, with poor prognosis and high resistance to current chemotherapeutic agents. Therefore, new therapeutic strategies and targets are underscored. Propolis has been reported to exhibit a broad spectrum of biological activities including anticancer activity. Objective: This study was carried out to assess the possible efficacy of Algerian propolis on the antitumor effect of doxorubicin on human pancreatic cancer cell line (PANC-1). Methods: Modifications in cell viability, apoptosis and cell cycle progression, Pgp activity and intracellular accumulation of DOX were monitored to study the synergistic effect of Algerian propolis on the antitumor effects of DOX in PANC-1 cell line. Results: Both propolis and its combination with doxorubicin inhibited cell growth in a dose-dependent manner by inducing cell cycle arrest and apoptosis. In the presence of 100 mu g/ml of propolis, the IC50 of DOX against PANC-1 cells decreased by 10.9-fold. Propolis combined with DOX increased after 48h, the number of cells in the G0G1 phase with dramatical increase in sub-G1 phase to reach 47% of total cells, corresponding to an increase of senescence or apoptotic state of the cells. Dead cell assay with annexinV/PI staining demonstrated that propolis and propolis-DOX treatment resulted in a remarkable induction of apoptosis as detected by flow cytometry. It was interesting to note that propolis at its 5IC(50) was found as the most potent inducer of apoptosis. Our finding revealed that induced apoptosis in our conditions was caspase-3 and caspase-9 dependent. Flow cytometry showed that propolis increased the accumulation of doxorubicin within PANC-1 cells. Moreover, fluorescent intensity detection revealed that propolis remarkably increased the retention of rhodamine-123, 7-fold compared to 3-fold of verapamil, the most effective P-gp inhibitor. Conclusion: In conclusion, propolis sensitize pancreatic cancer cells to DOX via enhancing the intracellular retention of DOX due to blocking the efflux activity of P-gp pump, inducing cell cycle arrest and increasing apoptosis, finding that improuve the synergism of antitumor effect of Algerian propolis and DOX in pancreatic cancer cell line. Therefore, Algerian propolis may be an effective agent in a combined treatment with doxorubicin for increased therapeutic efficacy against pancreatic cancer.
引用
收藏
页码:375 / 387
页数:13
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