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GDNF在先天性肺囊性腺瘤样畸形中的表达及其意义 被引量:1

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摘要 目的:研究胶质细胞源性神经营养因子(Glial cell line derived neutrotrophic factor,GDNF)和细胞增殖指数(Ki-67)在先天性肺囊性腺瘤样畸形(congenital cysticadenomatoid malfor-mation of lung,CCAM)中的表达,探讨其在CCAM病理分型及发病机制中的意义。方法:选择CCAM(CCAM组)58例,儿童正常肺组织(CG1组)10例和囊肿周围相对正常肺组织(CG2组)10例,用免疫组化法检测Ki-67和GDNF的表达,用原位杂交法检测GDNF mRNA的表达,用FFPET PCR提取GDNF DNA进行基因测序。结果:GDNF在CCAM中的表达CCAMⅠ型强于CCAMⅡ和Ⅲ型(P<0.01),CCAMⅡ型强于CCAMⅢ型(P<0.01);CCAM组高于CG1组和CG2组(P<0.01)。CCAM组未发现有GDNF基因表达的异常。CCAM组Ki-67表达较CG1组和CG2组明显升高(P<0.01);Ki-67在CCAMⅠ组中明显较CCAMⅡ、Ⅲ组高(P<0.01)。直线相关分析结果:GDNF与Ki-67在CCAM中表达的关系,R=0.559,P<0.01,呈显著正相关。结论:CCAM和细胞增殖失调有关。GDNF可能是通过影响细胞增殖和凋亡活动来参与CCAM的形成,但CCAM形成和GDNF基因表达异常可能无关。
出处 《温州医学院学报》 CAS 2011年第4期379-381,共3页 Journal of Wenzhou Medical College
基金 温州市科技局科研基金资助项目(Y20080233)
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参考文献9

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同被引文献5

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