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时间:2020-05-07
《外源性三碘甲状腺原氨酸对小鼠肝脏增生的影响-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、中华肝脏外科手术学电子杂志2014年8月第3卷第4期ChinJHeoatSur~(ElectronicEdition),August2014,Vo1.3,No.4·基础研究·外源性三碘甲状腺原氨酸对小鼠肝脏增生的影响姚志成胡昆鹏黄品助陈新桂黄河王庆亮杨培生刘波【摘要】目的探讨外源性三碘甲状腺原氨酸(T)对小鼠肝脏增生的影响。方法健康SPF级雌性C57BL/6小鼠45只,按随机数字表法随机分为A组、B组和对照组,每组15只。A、B组小鼠分别按每公斤体重10、5gg经腹腔内注射外源性T12ml,对照组注射生理盐水2ml。3组分别于处
2、理后0、7、14、21、42d时各处死3只小鼠。处死后测量小鼠全肝脏重量。采用免疫组织化学方法检测肝细胞增殖情况。实验数据间比较采用t检验或方差分析。结果与对照组相比,处理后7、14、21、42dA组的肝脏重量明显增加(t=3.298,6.760,7.119,6.128;P<0.05),处理后14、21、42dB组的肝脏重量明显增加(t=4.188,4.570,2.978;P<0.05o处理后7、14、21、42dA组增加的肝脏重量均比B组明显多(t=-4.935,4.303,4.033,4.480;P<0.05o其中处理后21
3、d,A、B组的肝脏重量增加至高峰(/:-21.480,11.244;P<0.05o与对照组相比,处理后0、7、14、21、42dA组肝细胞数明显增加(t=28.383,23.842,40.194,31.059,15.841;P4、,P<0.05);处理后21d,B组的肝细胞数增加至高峰(F=90.460,P<0.05o处理后A、B组肝细胞均发生广泛性增殖。结论外源性r1可有效促进小鼠肝脏增生,随着浓度的升高,增生更为明显。【关键词】增生;肝;肝再生;三碘甲状腺原氨酸;小鼠Impactofexogenoustrii0dOthyrOnineontheliverhyperplasiaofmouseYaoZhicheng,HuKunpeng,HuangPinzhu,ChenXingui,HuangHe,WangQingliang,,Peisheng,LiuBo.5、DepartmentofGeneralSurgery,LingnanHospitaltheThirdAfiliatedHospitalofSunYat-senUniversity,Guangzhou510530,ChinaCorrespondingauthor.。LiuBo,Email.jakebobo@foxmail.com【Abstract】0bjectiveToinvestigatetheimpactofexogenousoftriiodothyronine(T3)ontheliverhyperplasiaofmouse.6、MethodsForty—fivehealthyspecificpathogenfree(SPF)C57BL/6miceweredividedintogroupA,Bandcontrolgroupusingrandomnumbertablemethodwith15miceineachgroup.MiceingroupA,Bwererespectivelyinjectedwith2mlexogenousT3solutions10,5gg/kgintraperitoneally.Miceincontrolgroupwereinjec7、tedwith2mlnormalsaline.Threemiceofeachgroupwereputtodeathrespectivelyonday0,7,14,21,42aRertreatment.Thetotalliverweightofthemicewasmeasuredafterdeath.Theproliferationoflivercellswasdetectedbyimmunohistochemistry.Theexperimentaldatawerecomparedusingttestoranalysisofva8、riance.ResultsComparedwithcontrolgroup,theliverweightofmiceingroupAincreasedsignificantlyonday7,14,21,42aftertreatment(t=3.298,6.76
4、,P<0.05);处理后21d,B组的肝细胞数增加至高峰(F=90.460,P<0.05o处理后A、B组肝细胞均发生广泛性增殖。结论外源性r1可有效促进小鼠肝脏增生,随着浓度的升高,增生更为明显。【关键词】增生;肝;肝再生;三碘甲状腺原氨酸;小鼠Impactofexogenoustrii0dOthyrOnineontheliverhyperplasiaofmouseYaoZhicheng,HuKunpeng,HuangPinzhu,ChenXingui,HuangHe,WangQingliang,,Peisheng,LiuBo.
5、DepartmentofGeneralSurgery,LingnanHospitaltheThirdAfiliatedHospitalofSunYat-senUniversity,Guangzhou510530,ChinaCorrespondingauthor.。LiuBo,Email.jakebobo@foxmail.com【Abstract】0bjectiveToinvestigatetheimpactofexogenousoftriiodothyronine(T3)ontheliverhyperplasiaofmouse.
6、MethodsForty—fivehealthyspecificpathogenfree(SPF)C57BL/6miceweredividedintogroupA,Bandcontrolgroupusingrandomnumbertablemethodwith15miceineachgroup.MiceingroupA,Bwererespectivelyinjectedwith2mlexogenousT3solutions10,5gg/kgintraperitoneally.Miceincontrolgroupwereinjec
7、tedwith2mlnormalsaline.Threemiceofeachgroupwereputtodeathrespectivelyonday0,7,14,21,42aRertreatment.Thetotalliverweightofthemicewasmeasuredafterdeath.Theproliferationoflivercellswasdetectedbyimmunohistochemistry.Theexperimentaldatawerecomparedusingttestoranalysisofva
8、riance.ResultsComparedwithcontrolgroup,theliverweightofmiceingroupAincreasedsignificantlyonday7,14,21,42aftertreatment(t=3.298,6.76
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