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Staurosporine induces apoptosis in NG108-15 cells

  
@article{APS9171,
	author = {Bai-Fang Zhang and Fang-Fang Peng and Jiang-Zhou Zhang and Dong-Cheng Wu},
	title = {Staurosporine induces apoptosis in NG108-15 cells},
	journal = {Acta Pharmacologica Sinica},
	volume = {24},
	number = {7},
	year = {2016},
	keywords = {},
	abstract = {AIM: To observe if staurosporine induced apoptosis in NG108-15 cells and its effect on protein expression level of several genes related to apoptosis. 
METHODS: Phase-contrast microscopy, fluorescence microscopy, and transmission electron microscopy were used to observe staurosporine-induced morphological changes. Agarose gel electrophoresis was used to detect DNA fragmentation. Western blots were used to measure protein expression level of several genes related to apoptosis. 
RESULTS: Cells treated with staurosporine 0.1 micromol/L showed typical morphological changes of apoptosis. A \"ladder\" pattern representing fragmentation of DNA into oligonucleosome length fragments was observed after 6 h of staurosporine treatment and sustained until 24 h. The Bax expression increased significantly at 6 h after exposure to staurosporine, peaked at 12 h compared with vehicle cultures, and decreased at 24 h. The Bcl-2 expression increased and reached the highest level at 3 h. It was then decreased gradually but still higher than normal expression level. There was an obvious caspase-3 cleavage at 6 h after exposing the cells to staurosporine. Treatment with staurosporine for 12 h markedly decreased the expression of p53 protein. Cdk5 protein expression did not have obvious changes after the cells were exposed to staurosporine. 
CONCLUSION: Staurosporine induced apoptotic death in NG108-15 cells. Cells might die via a pathway that is dependent on Bax expression but independent of p53, and caspase-3 cleavage was involved.},
	issn = {1745-7254},	url = {http://www.chinaphar.com/article/view/9171}
}