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16.08.2017 | Short Communication

Inhibitory growth evaluation and apoptosis induction in MCF-7 cancer cells by new 5-aryl-2-butylthio-1,3,4-oxadiazole derivatives

verfasst von: Rashmin Khanam, Kamal Ahmad, Iram I. Hejazi, Ibrar A. Siddique, Vikash Kumar, Abdul Roouf Bhat, Amir Azam, Fareeda Athar

Erschienen in: Cancer Chemotherapy and Pharmacology | Ausgabe 5/2017

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Abstract

Background

Cancer has become one of the global health issues and it is the life-threatening disease characterized by unrestrained growth of cells. Despite various advances being adopted by chemotherapeutic management, the use of the current anticancer drugs such as Doxorubicin, Asparginase, Methotrexate, Vincristine remains limited due to high toxicity, side effects and developing drug resistance. Apoptosis is a crucial cellular process and improper regulation of apoptotic signaling pathways may lead to cancer formation. Subsequently, the synthesis of effective chemotherapeutic agents that can induce apoptosis in tumor cell has emerged as a significant approach in cancer drug discovery.

Methods

The goal of this work is to develop a potential antitumor agent exerting significant inhibitory effects on cancer cell and low cytotoxicity, for which we focused on the structural features of 1,3,4-oxadiazoles as it a privileged scaffold in modern medicinal chemistry and have the ability to inhibit growth factors, enzymes and kinases potentially involved in the attainment of cellular immortality and carcinogenesis.

Result

In vitro MTT screening assay showed the compound 5-aminophenyl-2-butylthio-1,3,4-oxadiazole (5e) showing the highest inhibitory effect against MCF-7 cancer cell with IC₅₀ value 10.05 ± 1.08 µM while it is much safer and less toxic on normal cell line (HEK-293). The dose-dependent treatment of MCF-7 cells with 5e resulted in inhibition of cell migration in the wound healing assay. The flow-cytometry analysis showed the cells arrested in G0/G1 phase of the cell cycle. Compound 5e induced apoptosis of MCF-7 cells was characterized using DAPI staining and Annexin V-PE/7-AAD dual binding assay. Reduction of NBT by compound 5e showed a reduced generation of ROS. Western blotting studies showed high activation of apoptotic protein Caspase3 and decrease in expression of anti-apoptotic protein BCL-2.

Conclusion

Based on the results of in vitro studies, it could be concluded that compound 5e showed a significant inhibitory growth effect on MCF-7 cells and have the potential to be developed as lead molecule and further structural modifications may result in promising new anticancer agents.

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Titel: Inhibitory growth evaluation and apoptosis induction in MCF-7 cancer cells by new 5-aryl-2-butylthio-1,3,4-oxadiazole derivatives
verfasst von: Rashmin Khanam
Kamal Ahmad
Iram I. Hejazi
Ibrar A. Siddique
Vikash Kumar
Abdul Roouf Bhat
Amir Azam
Fareeda Athar
Publikationsdatum: 16.08.2017
Verlag: Springer Berlin Heidelberg
Erschienen in: Cancer Chemotherapy and Pharmacology / Ausgabe 5/2017
Print ISSN: 0344-5704
Elektronische ISSN: 1432-0843
DOI: https://doi.org/10.1007/s00280-017-3414-6

Springer Medizin

Inhibitory growth evaluation and apoptosis induction in MCF-7 cancer cells by new 5-aryl-2-butylthio-1,3,4-oxadiazole derivatives