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ID:32267892
大小:4.64 MB
页数:55页
时间:2019-02-02
《川芎嗪对血管平滑肌细胞增殖抑制作用的机理探讨》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、摘要中文摘要目的:观察川芎嗪对血管平滑肌细胞增殖的抑制作用:探讨其作用机理。方法:(1)体内实验:将实验大鼠分为4组:假手术组(N组)、模型组(M缀)、高剂量药物作用组(H组)、低剂量药物作用组(L组)。行PCNA、I型胶原、Iv型胶原组化检测:FGF、PDGF、Bcl一2、Bax、cmyc原位杂交检测:TUNEL染色。结果用MIAS图象分析系统分析,计算每张片子的平均光密度,药物作用组分别与模型组进行比较,行单因素方差分析,计算P值。(2)体外实验:取八脐带血管平滑肌细胞做原代细胞培养,传代培养3~5代后,随机分成四组:对照组和高、中、低浓度药物作用组。行PCNA、
2、I型胶原、IV型胶原组化检测;Bcl一2、Bax原位杂交检测;TUNEL细胞凋亡染色。结果用MIAs图象分析系统分析,计算每张片子的平均光密度,药物作用组分别与对照组进行比较,行单因素方差分析,计算P值。结果;(1)体内实验:高剂量药物作用组和馁手术组PCNA、Iv胶原、PDGF的表达低于模型组,P0.05。离、低剂量药物作用组和假手术组的I型胶原、盹F、Bcl一2、e—nyc、和TUNEL的表达低于模型组,P3、浓度药物作用组的PCNA表达低于对照组,P4、BSTRACT0bjectlve:ToexploretheinfluenceofTMPonvascularsmoothmusclecellproliferationanditsmechanism.Methods:(1)Invivotest:40wistarratsweredividedinto4groups:bigdosedruggroup,smalldosedruggroup,modegroup,falseoperationgroup.Icollagen,IVcollagen,PCNAweredetectedbyhistochemistryandweredetect5、edinFGF、PDGF、c—myc、Bcl一2、BAXbyinsituhibridizationandTUNELtestsintheseparaffinslices.Theaveragelightdensityofeverysliceweredetectedbycomputerimageanalysissjcstem.Theresultswereanalyzedbyone—wayanalysisofvariance.AndthentheresultsofeverygroupwerecomparedwiththoseofmodegroupbyusingDunnet-t6、test.(2)Invitrotest:PrimarycellcultureofVascularsmoothmusclecellwereobtainedfromhumanumbilicalartery.TheculturedVSMCafterthreemorethangenerationsaredividedintofourgroups:highconcentrationdruggroup(5000I_tg/m1),middleconcentrationdruggroup(5001JJg/m1),lowconcentrationdruggroup(50I_tg/m1)7、,controlgroup.Thefourgroups,aftertakingdrug,weredetectedinIcollagen,IVcollagen,PCNAbyhistochemistryandweredetectedinBCL一2,BAXbyinsituhibridizationandTUNELtests.Theaveragelightdensityofeverysliceweredetectedbycompmerimageanalysissystem.Theresultswereanalyzedbyone-wayanalysisofva
3、浓度药物作用组的PCNA表达低于对照组,P4、BSTRACT0bjectlve:ToexploretheinfluenceofTMPonvascularsmoothmusclecellproliferationanditsmechanism.Methods:(1)Invivotest:40wistarratsweredividedinto4groups:bigdosedruggroup,smalldosedruggroup,modegroup,falseoperationgroup.Icollagen,IVcollagen,PCNAweredetectedbyhistochemistryandweredetect5、edinFGF、PDGF、c—myc、Bcl一2、BAXbyinsituhibridizationandTUNELtestsintheseparaffinslices.Theaveragelightdensityofeverysliceweredetectedbycomputerimageanalysissjcstem.Theresultswereanalyzedbyone—wayanalysisofvariance.AndthentheresultsofeverygroupwerecomparedwiththoseofmodegroupbyusingDunnet-t6、test.(2)Invitrotest:PrimarycellcultureofVascularsmoothmusclecellwereobtainedfromhumanumbilicalartery.TheculturedVSMCafterthreemorethangenerationsaredividedintofourgroups:highconcentrationdruggroup(5000I_tg/m1),middleconcentrationdruggroup(5001JJg/m1),lowconcentrationdruggroup(50I_tg/m1)7、,controlgroup.Thefourgroups,aftertakingdrug,weredetectedinIcollagen,IVcollagen,PCNAbyhistochemistryandweredetectedinBCL一2,BAXbyinsituhibridizationandTUNELtests.Theaveragelightdensityofeverysliceweredetectedbycompmerimageanalysissystem.Theresultswereanalyzedbyone-wayanalysisofva
4、BSTRACT0bjectlve:ToexploretheinfluenceofTMPonvascularsmoothmusclecellproliferationanditsmechanism.Methods:(1)Invivotest:40wistarratsweredividedinto4groups:bigdosedruggroup,smalldosedruggroup,modegroup,falseoperationgroup.Icollagen,IVcollagen,PCNAweredetectedbyhistochemistryandweredetect
5、edinFGF、PDGF、c—myc、Bcl一2、BAXbyinsituhibridizationandTUNELtestsintheseparaffinslices.Theaveragelightdensityofeverysliceweredetectedbycomputerimageanalysissjcstem.Theresultswereanalyzedbyone—wayanalysisofvariance.AndthentheresultsofeverygroupwerecomparedwiththoseofmodegroupbyusingDunnet-t
6、test.(2)Invitrotest:PrimarycellcultureofVascularsmoothmusclecellwereobtainedfromhumanumbilicalartery.TheculturedVSMCafterthreemorethangenerationsaredividedintofourgroups:highconcentrationdruggroup(5000I_tg/m1),middleconcentrationdruggroup(5001JJg/m1),lowconcentrationdruggroup(50I_tg/m1)
7、,controlgroup.Thefourgroups,aftertakingdrug,weredetectedinIcollagen,IVcollagen,PCNAbyhistochemistryandweredetectedinBCL一2,BAXbyinsituhibridizationandTUNELtests.Theaveragelightdensityofeverysliceweredetectedbycompmerimageanalysissystem.Theresultswereanalyzedbyone-wayanalysisofva
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