Wang L, Deng Q, Wang J, Bai X, Xiao X, Lv HR, Zhao MF, Liu PJ. Effect of CIK on multidrug-resistance reversal and increasing the sensitivity of ADR in K562/ADR cells.
Oncol Lett 2014;
8:1778-1782. [PMID:
25202409 PMCID:
PMC4156179 DOI:
10.3892/ol.2014.2337]
[Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2013] [Accepted: 05/15/2014] [Indexed: 11/21/2022] Open
Abstract
Leukemia is a leading cause of cancer-related mortality in children worldwide, and multidrug-resistance (MDR) is a main reason for tumor chemotherapy failure. The present study investigated the effects of ADR following incubation with cytokine-induced killer (CIK) cells on reversing MDR in K562/ADR cells. Mononuclear cells were isolated from the peripheral blood of healthy individuals and cultured in vitro in the presence of a combination of cytokines to generate CIK for K562/ADR cell treatment. A decreased level of P-glycoprotein expression and glutathione (GSH), an increased intracellular Rh-123 content, decreased mRNA and protein expression levels of MDR gene 1, MDR-associated protein 1, GSH S-transferase-π, B-cell lymphoma 2 and Survivin, and the decreased phosphorylation of AKT and the transcriptional activity of nuclear factor-κB and activator protein 1 were detected following ADR treatment in CIK co-cultured K562/ADR cells. Additionally, the level of ADR sensitivity and the apoptosis rate were increased in the CIK co-cultured K562/ADR cells. These results indicate that pre-treatment with CIK could reverse the MDR of K562/ADR cells, and that patients would be most likely to benefit from the combination of chemotherapy and CIK therapy.
Collapse