Molecular Target Therapy of AKT and NF-kB Signaling Pathways and Multidrug Resistance by Specific Cell Penetrating Inhibitor Peptides in HL-60 Cells

Davoudi, Zahra; Akbarzadeh, Abolfazl; Rahmatiyamchi, Mohammad; Movassaghpour, Ali Akbar; Alipour, Mohsen; Nejati-Koshki, Kazem; Sadeghi, Zohre; Dariushnejad, Hassan; Zarghami, Nosratollah

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저자정보: Davoudi, Zahra (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) Akbarzadeh, Abolfazl (Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) Rahmatiyamchi, Mohammad (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) Movassaghpour, Ali Akbar (Hematology and Oncology Research Center, Tabriz University of Medical Sciences) Alipour, Mohsen (Department of Physiology, Faculty of Medicine, Zanjan University of Medical Sciences) Nejati-Koshki, Kazem (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) Sadeghi, Zohre (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) Dariushnejad, Hassan (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) Zarghami, Nosratollah (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences)

저널정보: 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제15권 제10호

발행연도: 2014.1

수록면: 4,353 - 4,358 (6page)

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Background: PI3/AKT and NF-kB signaling pathways are constitutively active in acute myeloid leukemia and cross-talk between the two has been shown in various cancers. However, their role in acute myeloid leukemia has not been completely explored. We therefore used cell penetrating inhibitor peptides to define the contributions of AKT and NF-kB to survival and multi drug resistance (MDR) in HL-60 cells. Materials and Methods: Inhibition of AKT and NF-kB activity by AKT inhibitor peptide and NBD inhibitor peptide, respectively, resulted in decreased expression of mRNA for the MDR1 gene as assessed by real time PCR. In addition, treatment of HL-60 cells with AKT and NBD inhibitor peptides led to inhibition of cell viability and induction of apoptosis in a dose dependent manner as detected by flow cytometer. Results: Finally, co-treatment of HL-60 cells with sub-optimal doses of AKT and NBD inhibitor peptides led to synergistic apoptotic responses in AML cells. Conclusions: These data support a strong biological link between NF-kB and PI3-kinase/AKT pathways in the modulation of antiapoptotic and multi drug resistant effects in AML cells. Synergistic targeting of these pathways using NF-kB and PI3-kinase/AK inhibitor peptides may have a therapeutic potential for AML and possibly other malignancies with constitutive activation of these pathways.

#AKT/PKB #NF-kB #cell penetrating peptides #AML #MDR #therapy

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Davoudi, Zahra

소속기관 Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medi