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《天麻素对化疗药肝脏毒性预防作用的实验研究-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、LISHIZHENMEDICINEANDMATERIAMEDICARESEARCH2014VOL.25NO.3时珍国医国药2014年第25卷第3期天麻素对化疗药肝脏毒性预防作用的实验研究刘洋,饶亮,郑卫红,陈梦宇,张梦妮(三峡大学医学院国家中药药理三级实验室,湖北宜昌443002)摘要:目的研究天麻素对化疗药致大鼠肝损伤的预防作用。方法用长春新碱隔日腹腔注射建立大鼠肝损伤模型,共5次;实验组每日腹腔注射不同剂量的天麻素(30,60,120mg/kg),共9天,对照组和模型组用生理盐水同步对照,观察各组大鼠的一般状况;并于末次给药的第2天眼球取血,同时迅速取出肝脏,称湿重,计算肝指数(肝
2、脏湿重/体重);检测大鼠血清谷丙转氨酶(ALT)、谷草转氨酶(AST);并观察肝组织病理切片。结果与对照组比较,模型组的肝脏指数、ALT、AST和AST/ALT均明显升高(P<0.05);大鼠的毛发凌乱、活动减少、饮食和精神状况较差;肝组织病理切片显示肝索排列不规则,细胞有脂肪变性及气球样变等,甚至出现细胞核脱失,细胞坏死;而与模型组比较,各剂量天麻素组的上述指标均有不同程度的改善(P<0.05,P<0.01),其中高剂量天麻素的改善最明显,呈剂量依赖性。结论天麻素可剂量依赖性预防长春新碱引起的肝损伤,减轻其肝脏毒性。关键词:天麻素;长春新碱;化疗药物性肝损伤DOI标识:doi:10.
3、3969/i.issn.1008-0805.2014.03.028中图分类号:R285.5文献标识码:A文章编号:1008-0805(2014)03-0587-02ExperimentStudyofthepreventiveeffectofGastrodinonchemotherapydrughepatotox-icityLIUYang,RAOLiang,ZHENGWei—hong,CHENMeng-yu,ZHANGMeng-nif一gradePharmacologyLaboratoryonTraditionalChineseMedicineApprovedbyStateAdminis
4、trationofTraditionalChineseMedicine,MedicalScienceCollegeofChinaThreeGorgesUniversity,Yichang,Hubei,443002。China)Abstract:ObjectiveTostudythepreventiveeffectofgastrodinonchemotherapydrugsinducedliverinjuryinrats.Methods—Vineristinewasadministeredbyintra—peritonealinjectiononalternatedays,5timest
5、otally,toestablishliverinjurymode1.Inthemeantime,theexperimentalgroupsratswereinjecteddifferentdosesofgastrodin(30、60、120mg/kg),9daystotally.Theratsofcontrolgroupandmodelgroupwereinjectedsalinesynchronously.Toobservethegeneralsituationofrats;At10thday,totakebloodfromeyeballsandtakeoutliverquickl
6、yandweighthewetweightofliverandcounttheliverindex(1iverwetweight/bodyweight),todetectserumalanineaminotransferase(A),aspartateaminotransferase(AST),toobservelivertissuepathologicalslices.ResultsComparedwithcontrolgroup,inthemodelgroup,theliverindex,ALTandASTandAST/ALTincreasedsignifi—candy(P<0.0
7、5).Thegeneralconditionshowedthathairwasmessy,activitiesweredecreased,dietandmentalhealthwerepoor.Livertissuepathologyslicesshowedthathepaticcordwereirregularandhadcellfattydegenerationandballooningchange,cellnucleusattrition
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