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논문 기본 정보

자료유형
학술저널
저자정보
Choi, Hong-Seok (Department of Pharmacology, College of Pharmacy, Drug Development Research Center , Chonnam National University) Cho, Dong-Im (Department of Pharmacology, College of Pharmacy, Drug Development Research Center , Chonnam National University) Choi, Hoo-Kyun (College of Pharmacy, Chosun University) Im, Suhn-Yong (Department of Biological Sciecnces, Chonnam National University) Ryu, Shi-Yong (Korea Research Institute of Chemical Technology) Kim , Kyeong-Man (Department of Pharmacology, College of Pharmacy, Drug Development Research Center , Chonnam National 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 제27권 제12호
발행연도
2004.1
수록면
1,233 - 1,237 (5page)

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The effects of four tanshinones isolated from Tanshen (the root of Salvia miltiorrhiza Bunge, Labiatae) were tested for their inhibition of nitric oxide production in macrophage cells, and the underlying molecular mechanisms studied. Of the four tanshinones used, 15, 16-dihydrotanshinone- I, tanshinone-IIA and cryptotanshinone, but not tanshinone I, demonstrated significant inhibition of the LPS-induced nitric oxide production in RAW 264.7 cells, with calculated $IC_{50}$ values of 5, 8, and 1.5 ${\mu}M$ , respectively. Tanshinones exerted inhibitory activities on the LPS-induced nitric oxide production only when applied concurrently with LPS, and tanshinone- IIA and cryptotanshinone were found to inhibit LPS-induced NF-$_KB$ mobilization and extracellular- regulated kinase (ERK) activation, respectively. These results suggest that tanshinones inhibit LPS-induced nitric oxide generation by interfering with the initial stage of LPS-induced expression of certain genes. NF-$_KB$ and ERK could be the molecular targets for tanshinones for the inhibition of LPS-induced nitric oxide production in macrophage cells.

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