[Author: Chae, S W] AND [Keyword: Caspase] : Search

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Yuk-Hap-Tang Induces Apoptosis by Intervening Mn-SOD in Human Cervical Carcinoma HeLa Cells
- H. J. Chae,
- J. M. Park,
- G. Y. Lee,
- H. R. Park,
- S. W. Chae,
- G. S. Jeong,
- H. M. Kim,
- S. B. Kim,
- S. K. Yoo, and
- H. R. Kim
The American Journal of Chinese Medicine01 Jan 2004
Preview Abstract
Yuk-Hap-Tang (YHT) induces cell death in human cervical carcinoma HeLa cells. Caspase-3, -6 and -9 were markedly activated in HeLa cells treated with YHT. The preferred substrate for caspase-3 cysteine protease, PARP, was cleaved to its 85-kDa cleavage product. YHT increased the amount of the anti-apoptotic protein, Bcl-2, and the pro-apoptotic protein, Bax. Although p53 has been reported to accumulate in cancer cells in response to anticancer agents, the p53 expression level was not changed in HeLa cells treated with YHT. Manganese (Mn)-TBAP, a mitochondria-specific SOD mimetic agent and NAC/GSH (N-acetyl cysteine/reduced glutathione) reduced the YHT-induced cytotoxicity and decreased the number of the YHT-induced apoptotic cells. Furthermore, YHT reduced the expression of Mn-SOD protein and its activity in HeLa cells. The data demonstrate that YHT induces the apoptosis of human cervical carcinoma HeLa cells by intervening Mn-SOD.

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