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Synthesis of flavone-based compounds as ros-dependent apoptosis inducers in colorectal cancer

Shamsudin, Nur Farisya and Leong, Sze-Wei and Chia, Suet Lin and Suriya, Utid and Rungrotmongkol, Thanyada and Mohd Aluwi, Mohd Fadhlizil Fasihi and Redzwan, Irna Elina and Bakhtiar, M. Taher and Haris @ Harith, Muhammad Salahuddin and Wai, Lam Kok and Rullah, Kamal (2022) Synthesis of flavone-based compounds as ros-dependent apoptosis inducers in colorectal cancer. In: International Conference on Pharmaceutical Sciences ICOPS@IIUM2022, 08-09 August 2022, IIUM, Kuantan., 08-09 August 2022, Kuantan (online). (Unpublished)

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Apoptosis is essential for maintaining cell homeostasis. It hinders the cancer cells survival and excessive ROS can induce DNA damage in cancer cells, which lead to apoptosis. Therefore, targeting apoptosis may be a universal cancer therapeutic technique. Twelve flavone-based compounds were synthesised and characterised. All compounds were evaluated for cytotoxicity against four human cancer cell lines: kidney, breast, colorectal, and bladder cancer cells. Only compound 8 exhibited excellent cytotoxicity against all investigated cancer cell lines, with notably potent cytotoxicity against colorectal (SW620) cells (IC50: 3.2 μM) and higher cytotoxicity than control (IC50: 4.2 μM). Mechanistic analyses such as colony formation, cell cycle arrests and flow cytometry analyses demonstrated an increase in intracellular ROS-induced apoptosis in SW620 cells, which is a potential mode of action for compound 8. Western blot research confirmed the apoptotic mechanism of 8 by showing overexpression of c-PARP, BAD, BAK, and AMPK and downregulation of BCL-2 and AKT. Taken together, the data showed that 8 induces apoptosis by increasing ROS. According to this study, a 4-chloromethyl substituent at the C3-phenyl group may be required for 8's cytotoxicity since other para substituents are inactive. Therefore, structure-activity analysis of 8 in related proteins can be studied.

Item Type: Conference or Workshop Item (Slide Presentation)
Subjects: R Medicine > RS Pharmacy and materia medica > RS403 Materia Medica-Pharmaceutical Chemistry
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Pharmacy
Depositing User: Dr Kamal Rullah
Date Deposited: 09 Dec 2022 08:25
Last Modified: 09 Dec 2022 08:25
URI: http://irep.iium.edu.my/id/eprint/101465

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