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KMID : 1201620100030030089
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Journal of Women s Medicine
2010 Volume.3 No. 3 p.89 ~ p.95
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Isoliquiritigenin inhibited cell proliferation and triggered apoptosis in human endometrial cancer cell line
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Kim Yoon-Geon
Ramachandran Sabarish
Kim Dong-Chul
Hong Young-Bin
Kim Eun-Ha
Kwon Sang-Hoon
Shin So-Jin
Cha Soon-Do
Bae In-Soo
Cho Chi-Heum
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Abstract
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Objective: To determine the anti-tumor effect of isoliquiritigenin (ISL) on endometrial cancer cell and to evaluate its effect on apoptosis in Hec1A endometrial cancer cell lines.
Methods: Human endometrial cancer cell lines (Hec1A) and Ishikawa, and normal endometrial cell line (T-HESCS) were cultured in vitro. The viabilities of three cell lines on ISL were measured. Cell cycle distribution and induction of apoptosis were measured in Hec1A cells after ISL treatment.
Results: ISL significantly reduced cell viabilities of endometrial cancer cell lines but not normal cell line in a dose-dependent manner. Cell cycle analysis indicated that ISL treatment increased the proportion of cells in the sub-G0/G1 phase. DNA fragmentation and fluorometric TUNEL assays also revealed apoptotic cell death after ISL incubation. ISL treatment markedly up-regulated the expression of cyclin-dependent kinase inhibitor, p21Cip1/Waf1 in a p53 independent manner and down regulated the expressions of cyclins and CDKs, with concomitant increase in FAS and cleavage of caspase 7, caspase 8, and caspase 9. In addition, elevation of caspase 3 activity also observed in a dose and time dependent manner.
Conclusion: ISL inhibited cell proliferation and triggered apoptosis in human endometrial cancer cell line Hec1A. Hence, ISL can be used as a potentially potent clinical chemotherapeutic agent for treating endometrial cancer.
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KEYWORD
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Endometrial cancer cell line, Hec1A, Isoliquiritigenin, Apoptosis
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