Flavokawain Derivative FLS Induced G2/M Arrest and Apoptosis on Breast Cancer MCF-7 Cell Line

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Norlaily, Mohd Ali and Akhtar, Muhammad Nadeem and Huynh, Ky and Kian, Lam Lim and Nadiah, Abu and Seema, Zareen and Wan, Yong Ho and Han, Kiat Alan-Ong and Sheau, Wei Tan and Noorjahan Banu, Alitheen and Jamil, Ismail and Swee, Keong Yeap and Tunku, Kamarul (2016) Flavokawain Derivative FLS Induced G2/M Arrest and Apoptosis on Breast Cancer MCF-7 Cell Line. Drug Design, Development and Therapy, 10 . pp. 1897-1907. ISSN 1177-8881

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Official URL: http://dx.doi.org/10.2147/DDDT.S102164

Abstract

Known as naturally occurring biologically active compounds, flavokawain A and B are the leading chalcones that possess anticancer properties. Another flavokawain derivative, (E)-1-(2′-Hydroxy-4′,6′-dimethoxyphenyl)-3-(4-methylthio)phenyl)prop-2-ene-1-one (FLS) was characterized with 1H-nuclear magnetic resonance, electron-impact mas spectrometry, infrared spectroscopy, and ultraviolet (1H NMR, EI-MS, IR, and UV) spectroscopic techniques. FLS cytotoxic efficacy against human cancer cells (MCF-7, MDA-MB-231, and MCF-10A) resulted in the reduction of IC50 values in a time- and dose-dependent mode with high specificity on MCF-7 (IC50 of 36 μM at 48 hours) against normal breast cell MCF-10A (no IC50 detected up to 180 μM at 72 hours). Light, scanning electron, and fluorescent microscopic analysis of MCF-7 cells treated with 36 μM of FLS displayed cell shrinkage, apoptotic body, and DNA fragmentation. Additionally, induction of G2/M cell arrest within 24 hours and apoptosis at subsequent time points was discovered via flow cytometry analysis. The roles of PLK-1, Wee-1, and phosphorylation of CDC-2 in G2/M arrest and proapoptotic factors (Bax, caspase 9, and p53) in promotion of apoptosis of FLS against MCF-7 cells were discovered using fluorometric, quantitative real-time polymerase chain reaction, and Western blot analysis. Interestingly, the presence of SCH3 (thiomethyl group) on ring B structure contributed to the selective cytotoxicity against MCF-7 cells compared to other chalcones, flavokawain A and B. Overall, our data suggest potential therapeutic value for flavokawain derivative FLS to be further developed as a new anticancer drug.

Item Type:Article
Uncontrolled Keywords:(E)-1-(2′-Hydroxy-4′,6′-dimethoxyphenyl)-3-(4-methylthio)phenyl)prop-2-ene-1-one (FLS), MCF-7, G2/M arrest, apoptosis, cell cycle, PLK-1, p53, caspase
Subjects:Q Science > QR Microbiology
Divisions:Faculty of Industrial Sciences And Technology
ID Code:16810
Deposited By: Noorul Farina Arifin
Deposited On:23 Feb 2017 14:33
Last Modified:26 Dec 2017 11:19

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