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胚胎干细胞联合碱性成纤维细胞生长因子移植对大鼠急性心肌梗死的影响 被引量：1

THE EFFECT OF INTRAMYOCARDIAL TRANSPLANTATION OF EMBRYONIC STEM CELLS COMBINED WITH BASIC FIBROBLAST GROWTH FACTOR INTO MYOCARDIAL INFARCTION MODELS ON THE CARDIAC FUNCTION IN POSTINFARCTED RATS
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摘要 目的探讨胚胎干细胞-D3株(ES-D3)联合碱性成纤维细胞生长因子(bFGF)移植治疗大鼠急性心肌梗死,是否有利于心脏结构的恢复和心功能的改善。方法Wistar大鼠40只随机均分成5组,分别为正常对照组(组1)、梗死未治疗组(组2)、培养基注射组(组3)、ES-D3移植组(组4)、ES-D3+bFGF移植组(组5)。大鼠急性心肌梗死造模后1周移植体外分化并经标记的ES-D3,4周后进行心功能及组织学检测。结果ES-D3体外能分化为心肌样细胞。梗死后4周检测表明,移植细胞在大鼠体内稳定存活。心功能及组织学检测表明,组2与组3大鼠无显著差异(P>0.05)。与组2比较,组4和组5大鼠心肌梗死面积均显著减小,左心室重量减轻(P<0.01);毛细血管密度显著增高(P<0.01);左心室功能显著改善。结论急性心肌梗死后移植ES-D3可以促进大鼠心血管新生、阻止心室重构、减少瘢痕面积、显著改善心功能,联合应用bFGF可进一步获益。 Objective To investigate the feasibility of recovering the cardiac structure and improving the cardiac function after the transplantation of embryonic stem cells-D3 （ES-D3） combined with basic fibroblast growth factor （b-FGF） into the acute myocardial infarction （AMI） . Methods Forty Wistar rats were used and randomly divided into 5 groups equally, including the normal control group （group 1）, the myocardial infarction without treatment group （group 2）, the medium injected group （group 3）, the ES-D3 transplanted group （group 4）, the combination of ES-D3 and bFGF transplanted group （group 5）. One week after the acute myocardial infarction （AMI）, rats were injected with the in vitro differentiated ES-D3 labeled by BrdU. Then the cardiac function and histology were measured in week 4 after the transplantation. Results ES-D3 could differentiate into cardiomyocytes in vitro, and could survive steadily for 4 weeks in vivo after the transplantation into AMI＇s model. There were no significant difference between group 2 and group 3 in cardiac function（P〉0.05）. Compared with group 2, the infarction size and left ventricular weight（LVW） were reduced significantly（P〈0.01）in group 4 and group 5, and capillary density was increased significantly（P〈0.01）. The functions of the left ventricle were remarkably improved. Conclusion The transplantation of ES-D3 can promote angiogenesis, improve the cardiac function, prevent the remodeling process of the left ventricle and reduce the infarct size, and further benefits can be obtained by co-administration of bFGF.
作者 蒙艳斌 潘爱华 贺莉萍 钱海燕 谢应桂 曹秋生 黄河 罗学港
机构地区 中南大学湘雅医学院人体解剖学与神经生物学系 湘南学院流行病与统计学研室 中国医学科学院阜外心血管病医院冠心病诊治中心 湘南学院解剖教研室
出处 《解剖学报》 CAS CSCD 北大核心 2008年第1期88-92,共5页 Acta Anatomica Sinica
基金 国家自然科学基金资助项目(30600224,30700438,30771135) 中国博士后基金资助项目(2005037701,20060390886) 湖南省自然科学基金资助项目(06JJ30014) 湖南省教育厅资助项目(05C626)
关键词 胚胎干细胞 碱性成纤维细胞生长因子 急性心肌梗死 心功能 组织化学 大鼠 Embryonic stem cells Basic fibroblast growth factor Acute myocardial infarction Cardiac function Histo-chemistry Rat
分类号 R363 [医药卫生—病理学]
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参考文献10

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共引文献5

同被引文献10

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解剖学报
2008年 第1期

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