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자료유형
학술저널
저자정보
Wang, Xiao-bo (School of Traditional Chinese Medicines, Shenyang Pharmaceutical University , Department of Pharmacy, Department of traditional Chinese Meedicine) Gao, Hui-Yuan (School of Traditional Chinese Medicines, Shenyang Pharmaceutical University) Hou, Bai-ling (School of Traditional Chinese Medicines, Shenyang Pharmaceutical University) Huangi, Jian (School of Traditional Chinese Medicines, Shenyang Pharmaceutical University) Xi, Rong-gang (School of Traditional Chinese Medicines, Shenyang Pharmaceutical University, Department of Pharmacy, Department of traditional Chinese Meedicine) Wu, Li-Jun (School of Traditional Chinese Medicines, Shenyang Pharmaceutical 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 제30권 제5호
발행연도
2007.1
수록면
653 - 658 (6page)

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School of Traditional Chinese Medicines, Shenyang Pharmaceutical University , Department of Pharmacy, Department of traditional Chinese MeNanoparticle realqar powders (NRP) inhibited U937 cell growth in a time and dose-dependent manner. U937 cells treated with NRP showed typical characteristics of apoptosis including the morphological changes and DNA fragmentation. Caspase family inhibitor (z-VAD-fmk), caspase-8, -9 inhibitor (z-IETD-fmk, Ac-LEHD-CHO, respectively) and caspase-3 inhibiter (z-DEVD-fmk) partially prevented NRP -induced apoptosis. Moreover, the classical substrates of caspase-3 poly-ADP ribose polymerase (PARP) was degraded after U937 cells treatment with NRP. In audition, NRP Increased the ratio of Bax/Bcl-2 protein expression. Although p38 inhibitor (SB203580) and ERK inhibitor (PD98059) failed to block cell death, JNK inhibitor(SP600125) had marked inhibitory effects on NRP -induced apoptosis. Furthermore, the phosphorylation of JNK was up-regulated, suggesting that JNK was responsible for NRP -induced apoptosis in U937 cells. These results suggested that the caspase, mitochondria and MAPK signal pathways were involved in NRP-induced U937 apoptosis.

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