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ID:25758873
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页数:6页
时间:2018-11-22
《子宫内膜热休克蛋白70和90表达与er表达的关系论文》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、子宫内膜热休克蛋白70和90表达与ER表达的关系论文.freeletrialcarcinoma;heatshockprotein;im-munohistochemistry;imaginganalysissystemAbstract:AIMToinvestigatetheexpressionofheatshockprotein70,90indifferentendometriumandthecorrelationbet-plesofnormalendometrium,30samplesofendometrialhy-perplasiaand53samplesofendometrialcarc
2、inomatakenfromXijingHospitalinedforHSP70,90andERexpres-sionbyusingEnvisionimmunohistochemicalanalysisandputerizedimaginganalysissystem.RESULTSExpres-sionofHSP90andERinproliferativephase(62.1±6.0)%,and(67.8±4.2)%isstrongerthaninsecretoryphaseofnormalendometrium(42.0±5.3)%and(40.2±7.8)%,P0.05,andbeca
3、mestrongestinendometrailhyperplasia(74.2±2.2)%and(72.6±2.8)%,P0.05,butdecreasedclearlyinendometrialcarcinoma(51.3±2.6)%and(48.6±5.2)%,P0.05.ExpressionofHSP70insecretoryphase(65.2±1.3)%isstrongerthaninproliferativephase(44.1±3.2)%,P0.05,andstronglyincreasedinendome-trialcarcinoma(75.3±3.8)%,P0.05.Ex
4、pressionofHSP90etrioidcarcinoma(51.2±3.2)%isloetrioidcarcinoma(67.2±6.0)%,P0.05andHSP70(74.1±4.2)%etrium(r=0.5715,tr=7.3369,P0.01)andexpressionofHSP70hasinversecorrelationetrium.HSP70mighthasaroleintheproliferativeandsecretoryendometrium,mailnlyinthesecretoryendometri-um.HSP90mighthasanimportantrol
5、einthegroetrialcarcinoma.HSP70mighthasaprotectiveroleintheapoptosisofcellofendometrialcarcino-ma.ExpressionofHSP90hasdirectcorrelationetriumandHSP70hasinversecorre-lation.兔抗人HSP70,HSP90多克隆抗体为美国MaxinBiotechInc产品,小鼠抗人ER单克隆抗体为美国AntibodyDiagnosticaInc产品,山羊抗兔Envision二抗为美国Dako公司产品.1.2方法石蜡切片经二甲苯脱蜡,梯度乙醇致水,
6、磷酸盐缓冲生理盐水(PBS,pH=7.2)冲洗.微波炉0.01molL-1枸橼酸钠缓冲液(pH=6.0)行抗原修复(5min×2次),自然冷却.30gL-1过氧化氢封闭内源性过氧化物酶,室温,30min.正常山羊血清封闭非特异性抗原,室温,10min,滤纸吸去封闭血清.兔抗人HSP70,90抗体,小鼠抗人ER抗体,37℃,120min.山羊抗兔Envision二抗,37℃,30min,DAB显色,苏木精复染、脱水、透明、树胶封片.阳性对照采用已知阳性结果的肝癌切片,阴性对照用PBS代替一抗.用LeicaQ500Mc图像分析仪测阳性结果的相对染色强度,每张片子选5个高倍视野(×200),以颜色
7、为标准作图像分割,测阳性结果的相对不透光度(%).结果用SPSS统计软件处理.2结果2.1子宫内膜HSP,ER的表达HSPs阳性信号为上皮和基质细胞的胞质和/或胞核内出现棕黄色颗粒,ER阳性信号为上皮和/或基质细胞的胞核内出现棕黄色颗粒,阳性细胞呈局灶性或弥漫性分布(Fig1).增生期内膜中HSP90,ER表达(62.1±6.0)%和(67.80±4.2)%,明显强于分泌期内膜(42.0±5.2)%和(40.
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