目的探讨白花蛇舌草对Ramos细胞增殖和凋亡的影响。方法使用0、10、20、40 m L·L-1白花蛇舌草处理Ramos细胞24 h后收获细胞;采用细胞增殖检测试剂盒检测白花蛇舌草对Ramos细胞增殖的影响,并检测Ramos细胞线粒体膜电位的变化;流式...目的探讨白花蛇舌草对Ramos细胞增殖和凋亡的影响。方法使用0、10、20、40 m L·L-1白花蛇舌草处理Ramos细胞24 h后收获细胞;采用细胞增殖检测试剂盒检测白花蛇舌草对Ramos细胞增殖的影响,并检测Ramos细胞线粒体膜电位的变化;流式细胞术检测白花蛇舌草对Ramos细胞凋亡的影响,并检测Ramos细胞中caspase-3、caspase-9活性的变化;Western blot法检测Ramos细胞Bax、Bcl-2蛋白的表达。结果细胞增殖实验结果证明白花蛇舌草处理的Ramos细胞增殖受到明显抑制;20、40 m L·L-1白花蛇舌草干预Ramos细胞24 h后,Ramos细胞线粒体膜电位低于0 m L·L-1(P<0.05,P<0.01);流式细胞术检测结果表明细胞凋亡增加;与0 m L·L-1白花蛇舌草比较,20 m L·L-1白花蛇舌草处理Ramos细胞24 h,caspase-3和caspase-9活性增加了96%和37%(P<0.05),40 m L·L-1白花蛇舌草处理Ramos细胞24 h,caspase-3和caspase-9活性增加了148%和115%(P<0.01)。Western blot法证实Bax蛋白表达量增强,而Bcl-2蛋白表达量减弱,且呈现一定程度的剂量依赖性。结论白花蛇舌草可通过活化调控胱天蛋白依赖的线粒体途径,诱导Ramos细胞凋亡。展开更多
The occlusal force and masticatory efficiency in twenty-one patients (mandibular prognathism =11, mandibular retrognathism = 10) undergone sagittal split
China and Cuba established diplomatic relations on Sept 28,1960,making Cuba the first country in Latin America and the Western Hemisphere to forge diplomatic ties with China.Since then,the two countries have maintaine...China and Cuba established diplomatic relations on Sept 28,1960,making Cuba the first country in Latin America and the Western Hemisphere to forge diplomatic ties with China.Since then,the two countries have maintained friendly exchanges.Mr Ambassador,what do you think is the best way for China and Cuba to carry out practical cooperation in various fields under the new situation where China has put forward the initiative of jointly building One Belt and One Road?展开更多
AT the end of the UN Fourth World Conference on Women, Leticia Ramos Shahani, a Senator of the Philippines, gave a speech on behalf of the Group of 77 and China. Ms. Shahani said this Conference proves one fact, that ...AT the end of the UN Fourth World Conference on Women, Leticia Ramos Shahani, a Senator of the Philippines, gave a speech on behalf of the Group of 77 and China. Ms. Shahani said this Conference proves one fact, that the fate of women has a great bearing On world development. She hopes the Platform展开更多
文摘目的探讨白花蛇舌草对Ramos细胞增殖和凋亡的影响。方法使用0、10、20、40 m L·L-1白花蛇舌草处理Ramos细胞24 h后收获细胞;采用细胞增殖检测试剂盒检测白花蛇舌草对Ramos细胞增殖的影响,并检测Ramos细胞线粒体膜电位的变化;流式细胞术检测白花蛇舌草对Ramos细胞凋亡的影响,并检测Ramos细胞中caspase-3、caspase-9活性的变化;Western blot法检测Ramos细胞Bax、Bcl-2蛋白的表达。结果细胞增殖实验结果证明白花蛇舌草处理的Ramos细胞增殖受到明显抑制;20、40 m L·L-1白花蛇舌草干预Ramos细胞24 h后,Ramos细胞线粒体膜电位低于0 m L·L-1(P<0.05,P<0.01);流式细胞术检测结果表明细胞凋亡增加;与0 m L·L-1白花蛇舌草比较,20 m L·L-1白花蛇舌草处理Ramos细胞24 h,caspase-3和caspase-9活性增加了96%和37%(P<0.05),40 m L·L-1白花蛇舌草处理Ramos细胞24 h,caspase-3和caspase-9活性增加了148%和115%(P<0.01)。Western blot法证实Bax蛋白表达量增强,而Bcl-2蛋白表达量减弱,且呈现一定程度的剂量依赖性。结论白花蛇舌草可通过活化调控胱天蛋白依赖的线粒体途径,诱导Ramos细胞凋亡。
文摘China and Cuba established diplomatic relations on Sept 28,1960,making Cuba the first country in Latin America and the Western Hemisphere to forge diplomatic ties with China.Since then,the two countries have maintained friendly exchanges.Mr Ambassador,what do you think is the best way for China and Cuba to carry out practical cooperation in various fields under the new situation where China has put forward the initiative of jointly building One Belt and One Road?
文摘AT the end of the UN Fourth World Conference on Women, Leticia Ramos Shahani, a Senator of the Philippines, gave a speech on behalf of the Group of 77 and China. Ms. Shahani said this Conference proves one fact, that the fate of women has a great bearing On world development. She hopes the Platform