复方中药萃液对卷烟的生物学减害作用研究
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摘要
目的:研究复方中药萃液对卷烟的生物学减害作用。方法:分别检测卷烟烟气对CHO细胞的细胞毒性、鼠伤寒沙门氏菌诱变性和体外细胞微核率、BEP2D细胞增殖、及对动物卷烟烟气暴露30天后外周血细胞改变、致咳反应、泌痰反应的影响,并观察复方中药萃液对这些影响的作用。结果:复方中药萃液添加后不增加卷烟烟气对鼠伤寒沙门氏菌诱变性及对体外细胞微核的诱导作用,并能抑制卷烟烟气对CHO细胞的细胞毒作用;复方中药萃液添加后对卷烟烟气对人呼吸道上皮细胞的损伤具有良好的保护作用;可以逆转在动物烟气暴露30天气引起的血红蛋白下降,血小板数量增加状况(P<0.05);逆转卷烟烟气引起的动物咳嗽潜伏期降低、咳嗽次数增加、酚红排泌量降低等症状(p<0.05)。结论:复方中药萃液不增加卷烟烟气的体外毒性且有一定减轻毒性的作用或趋势;可以通过减轻吸烟引起的咳嗽、痰液粘稠咳出困难、外周血液学改变等症状,及对呼吸道上皮细胞的直接的保护作用减轻卷烟烟气对机体损伤。
Objective: To study the effect of Chinese herbal compound extract on Reducing Biological Harmful in Cigarette. Method: Detect the effect of Cigarette Mainstream smoke on cytotoxicity toward chinese hamster ovarian cells(CHO cells), thesalmonella mutagenicitytest, micronucleus test, proliferation of BEP2 D cells in vitro, and on peripheral blood cells, ammonia induced cough, phenolsulfanphthalein excretion test in vivo. Observe intervention effects of Chinese herb compound on all these test. Result: Chinese herbal compound extract does not increase thesalmonella mutagenicitytest and micronucleus frequency and could reduce the cytotoxicity toward CHO cells induced by Cigarette smoke. Chinese herbal compound extract could reduce the injury of human respiratory epithelial cells and reverse the changes of peripheral blood cells induced by Cigarette smoke. Chinese herbal compound extract could reverse the shorten of latent period of cough and the increasing of times of cough(p<0.05),and reverse the decrease of excretion of phenolsulfonphthalein(p<0.05) caused by cigarette smoke in mice. Conclusion: Chinese herbal compound extract doesn't increase the in vitro cyto-toxicity of cigarette smoke and even shows reducing effect or tendency, Chinese herbal compound extract could reduce the injury of cigarette smoke by reducing the cough, thick sputum and change of peripheral blood cells induced by smoking, and though directly protective effect on respiratory epithelial cells.
引文
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