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논문 기본 정보

자료유형
학술저널
저자정보
Choi, Jung-Jin (College of Medicine, Medical Research Center, Ewha Womans University) Yoon, Keum-Na (College of Medicine, Medical Research Center, Ewha Womans University) Lee, Seung-Ki (College of Pharmacy, Seoul National University) Lee, Yong-Hee (College of Pharmacy, Seoul National University) Park, Jeong-Hill (College of Pharmacy, Seoul National University) Kim, Wang-Yu (College of Pharmacy, Seoul National University) Kim, Joon-Kyum (Chong Kun Dang Corp.) Kim, Won-Ki (College of Medicine, Medical Research Center, Ewha Womans University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제21권 제3호
발행연도
1998.1
수록면
266 - 272 (7page)

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The present study investigated the antitumor activity of the aqueous-alcoholic extracts from unripe cotton balls of Gossypium indicum. An Exposure of murine B16 melanoma and L1210 lymphoma cells to the extracts resulted in their severe deaths in time- and concentration-dependent manners. Of the extracts, hydrophilic fractions were most efficacious for the antitumor activity and found to contain certain amounts of catechin and its derivatives. The hydrophilic extract fraction C36B2-8 had approximately 10 times more cytotoxic effects on B12 and L1210 cells than on isolated murine thymocytes. High concentrations (>150 $\mu$g/ml) of C 36B3-8 mainly induced necrotic cell death. At low concentrations (<100 $\mu$g/ml), however, C 36B3-8 induced not only necrosis but also apoptosis of the two tumor cell lines, which was proved by the TUNEL staining and DNA fragmentation techniques. The data indicate that certain ingredients of the cotton ball extract of G. indicum have an antitumor activity.

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