资源描述:
《skp2和pten在人脑星形细胞瘤中的表达及临床意义》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Skp2和PTEN在人脑星形细胞瘤中的表达及临床意义生垦塞旦经瘟盘查8年1月第11卷第1期ChineseJournalofPracticalNervousDiseasesJan.2008,Vo1.1INo.1Skp2和PTEN在人脑星形细胞瘤中的表达及临床意义郑杰宋来君孙红卫杜伟党博郑州大学第一附属医院神经外科郑州450052?9?【摘要】目的探讨Skp2和PTEN在人脑星形细胞瘤中的表达及与病理分级的关系.方法免疫组化S-P法检测7O例I~Ⅳ级脑星形细胞瘤和8例正常脑组织标本中Skp2和PTEN的表达.结果(1)
2、Skp2,PTEN在人脑星形细胞瘤组中阳性表达率分别为47.1%和50.0%,而在正常脑组织组中阳性表达率分别为0%和100%.从星形细胞瘤I,II级组,III级组到IV级组,Skp2的阳性表达率呈增高趋势,分别为9.1,45.5%,80.8%,而PTEN的阳性表达率呈降低趋势,分别为90.9%,50.0%,15.4.(2)Spearman等级相关检验证实病理分级和Skp2标记指数呈正相关,和PTEN标记指数呈负相关.人脑星形细胞瘤中Skp2和PTEN的表达呈负相关.结论Skp2和PTEN蛋白的表达情况可作为人脑星
3、形细胞瘤的诊断和恶性程度评估的参考资料,可能成为人脑星形细胞瘤治疗的新靶点.【关键词】星形细胞瘤;Skp2;PTEN;免疫组织化学【中图分类号】R730.264【文献标识码】A【文章编号】1673—5110(2008)01—0009—03ExpressionandclinicalsignificanceofSkp2andPTENinastrocytomaZhengJie,SongLaijun,SunHongwei,eta1.DepartmentofNeurosurgery.theFirstAliatedHospit
4、altoZhengzhouUniversity.Zhengzhou450052[Abstract]ObjectiveToinvestigatetheexpressionofSkp2andPTENintheastrocytoma,therelationshipbetweenthetowandpathologicalclassification.MethodsTheexpressionsofSkp2andPTENweredetectedbyusingimmunohistochemicalSPstainingin70ca
5、sesofastrocytoma(gradeItoIV)and8casesofnormalbraintissues.Results(1)ThepositiverateoftheexpressionofSkp2andPTENinastrocytomawere47.1and50.0.andthoseinnormalbraintissueswere0and100respectively.FromastrocytomaofgradeI,II,gradeIIItogradeIV,thepositiveexpressionof
6、Skp2raisedgradually,thepositiverateswere9.1%,45.5and80.8.respectively.AndPTENpositiveexpressiondecreasedgradually,thepositiverateswere90.9,50.0and15.4%,respectively.(2)UsingSpearmanrankcorrelationtest,itcouldbeconfirmedthatpathologicclassificationwaspositively
7、cor—relatedwithSkp2expressionindexandnegativelycorrelatedwithPTENexpressionindex.Skp2expressionwasnegativelycorrelatedwithPTENexpressioninastrocytoma.ConclusionTheexpressionofSkp2andPTENcanberegardedasdiagnosticandassessmentreferencesofastrocytomaandprovideane
8、wtargetgeneforeffectiveremedytoastrocytoma.[Keywords]Astrocytoma;Skp2;PTEN;Immunohistochemistry2O世纪9O年代,已认识到肿瘤是一种细胞周期调控异常性疾病,几乎所有的癌基因,抑癌基因的功能效应均与细胞生命活动异常有关,肿瘤的发生和发展与细胞周期分子调控异常密切相关.