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:: Volume 7, Issue 3 (Int J Mol Cell Med [In press] 2018) ::
Int J Mol Cell Med 2018, 7(3): 0-0 Back to browse issues page
Stimulatory Effect of Indolic Hormone on As2O3 Cytotoxicity in Breast Cancer Cells: NF-κB-dependent Mechanism of Action of Melatonin
AVa Safaroghli-Azar 1, Atieh Pourbagheri-Sigaroodi 2, Davood Bashash * 3, Elaheh Nooshinfar 4, Ali Anjam-Najmedini 1, Soroush Sadeghi 1, Mostafa Rezaie-Tavirani 5, Mohammad Esmaeil Akbari 4
1- Student Research Committee, Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2- Department of Biotechnology, Faculty of Advanced Sciences and Technology, Pharmaceutical Sciences Branch, Islamic Azad University (IAUPS), Tehran, Iran.
3- Department of Hematology and Blood banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran. , david_5980@yahoo.com
4- Cancer Research Center, Shohada Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
5- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Abstract:   (171 Views)
The advent of combination therapy unprecedentedly shifted the paradigm of cancer treatment by reconstructing the conventional protocols. By identifying the anti-tumoral activity for different natural products, recent interest has focused on inventing the combined-modality strategies in order to increase the cure rates of cancer, while reducing the toxic side effects of current intensive regimens. To evaluate whether melatonin, the indolic hormone produced mainly by the pineal gland, could enhance the pro-apoptotic effect of arsenic trioxide (As2O3) in breast cancer, MCF-7 cells were treated with As2O3-plus-melatonin and then the survival, proliferative rate, caspase-3 activity, and mRNA expression level of anti-apoptosis target genes of NF-κB were investigated. Our results delineated that exposure of MCF-7 cells to As2O3 not only reduced the survival of the cells but also induced a caspase-3-dependent apoptotic cell death. Noteworthy, an enhanced induction of apoptosis was found using As2O3 in combination with melatonin. Moreover, RQ-PCR analysis revealed that the enhanced cytotoxic effect of As2O3 in the presence of melatonin is mediated, at least partly, through suppressing the expression of NF-κB anti-apoptotic target genes such as MCL-1, BCL-2, survivin, XIAP, and c-IAP1 in breast cancer cells. The resulting data showed that As2O3, either alone or in combination with melatonin, exerted significant cytotoxic effect against MCF-7 cells. However, further investigations are needed to provide valuable clues for expediting this combination as a therapeutic strategy for breast cancer. 
Keywords: As2O3, Apoptosis, Combination therapy, Melatonin, NF-κB
Full-Text [PDF 951 kb]   (35 Downloads)    
Type of Study: Original Article | Subject: Hematology
Received: 2018/07/23 | Accepted: 2018/10/18 | Published: 2018/10/25
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Safaroghli-Azar A, Pourbagheri-Sigaroodi A, Bashash D, Nooshinfar E, Anjam-Najmedini A, Sadeghi S, et al . Stimulatory Effect of Indolic Hormone on As2O3 Cytotoxicity in Breast Cancer Cells: NF-κB-dependent Mechanism of Action of Melatonin. Int J Mol Cell Med. 2018; 7 (3)
URL: http://ijmcmed.org/article-1-909-en.html


Volume 7, Issue 3 (Int J Mol Cell Med [In press] 2018) Back to browse issues page
International Journal of Molecular and Cellular Medicine (IJMCM) International Journal of Molecular and Cellular Medicine (IJMCM)
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