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《骨尤因肉瘤中分化抑制因子Id2的表达及意义.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、·32·临床与实验病理学杂志JClinExpPathol2015Jan;31(1)网络出版时间:2015—1—2116:43网络出版地址:http://www.cnki.net/kcms/detail/34.1073.R.20150121.1643.008.html骨尤因肉瘤中分化抑制因子Id2的表达及意义丁宜,张娜娜,孙晓淇,王华摘要:目的探讨分化抑制因子2(inhibitorofdifferentiation2,Id2)在骨尤因肉瘤中的表达及其与细胞周期相关蛋白的关系。方法采用免疫组化EnVision法检测45
2、例骨原发尤因肉瘤中Id2、c—Myc、CyclinD1、p53、p16及p27的表达,分析Id2与骨尤因肉瘤临床病理特征及细胞周期蛋白表达的相关性。结果45例骨尤因肉瘤中,Id2阳性率为88.9%,其中15例为强阳性(33.3%);c—Myc、CyclinD1、p53、p16、p27阳性率分别为66.7%、71.1%、20.O%、35.6%、28.9%。Id2强阳性与p27表达呈负相关关系(P<0.05)。获得随访24例,其中16例死亡,1例肺转移,7例无瘤生存,死亡及肺转移病例中Id2强阳性占41.2%,明显高于
3、无进展存活病例14.3%。结论Id2在骨尤因肉瘤中广泛表达,其强阳性与细胞周期蛋白p27表达相关,Id2/p27通路可能在尤因肉瘤的发生、发展中起重要作用。Id2强阳性患者可能预后较差。关键词:骨尤因肉瘤;分化抑制因子-2;细胞周期蛋白;免疫组织化学中图分类号:R738.1文献标志码:A文章编号:1001—7399(2015)01—0032—04doi:10.13315/j.cnki.cjcep.2015.01.008ExpressionofId2inEwingsarcomaofboneanditssignific
4、anceDINGYi,ZHANGNa—na,SUNXiao-qi。,WANGHua(DepartmentofPathology,BeijingJ~huitanHospital,Belting100035,China;DepartmentofPathology,SchoolofBasicMedicalSciences,PekingUniversityHealthScienceCenter,Beijing100191,China)Abstract:PllrposeTostudytheexpressionofinhibi
5、torofdifferentiation2(Id2)inEwingsarcomaofboneaswellasthecorrelationwithcellcycleproteins.MethodsTheexpressionofId2,c—Myc,CyclinD1,p53,p16andp27in45casesofEwingsarcomaweredetectedbyimmunohistochemicalEnVisionmethods,therelationshipbetweentheexpressionofId2andc
6、linicopath01ogiccharacteristicsandthecorrelationwithcellcycleproteinswereanalyzed.ResultsTotalexpressionofId2wasfoundin88.9%ofEwingsarcoma.StrongexpressionofId2wasdetectedin33.3%cases.Higherfrequenciesofc—MycandCyclinD1immunostainingwereobserved(66.7%and71.1%,
7、respectively),butlowerfrequenciesofp53,p16andp27expressionwerepresent(2O.0%,35.6%and28.9%,respectively).Id2overexpressiondisplayedanegativerelationshipwithp27expression(P<0.05).Amongthefollow—up0f24cases,overexpressionofId2wasfoundmore~equencyindeadandmetastas
8、escases(41.2%)whencomparedtothatofprogres—sion—freesurvivalcases(14.3%).ConclusionsId2wasextensivelyexpressedinEwingsarcomaofbone.OverexpressionofId2anditscorelationwithp27expressi
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