In order to investigate the roles of MTA2 in the pathogenesis of ovarian epithelial cancer, the expression of MTA2 in 4 ovarian cell lines were detected by semi-quantitative RT-PCR and Western-blot assays. MTA2 expres...In order to investigate the roles of MTA2 in the pathogenesis of ovarian epithelial cancer, the expression of MTA2 in 4 ovarian cell lines were detected by semi-quantitative RT-PCR and Western-blot assays. MTA2 expression in normal, borderline, benign and malignant epithelial ovarian tissues was immunohistochemically examined. The expression of MTA2 mRNA and protein was detected in all of 4 cell lines of ovarian epithelial cancer. The expression of MTA2 mRNA and protein was higher in strong migration cell lines than in weak migration ones. In borderline and ma lignant ovarian tissues tested, MTA2 staining was dramatically stronger than in normal and benign tissues （P〈0. 01）. The expression levels in malignant ovarian tissues were significantly higher than that in borderline epithelial ovarian tissues （P〈0.01）. The expression of MTA2 was correlated with clinical stage, histopathological grade and lymph node metastasis. It was concluded that the high expression of MTA2 was associated with more aggressive behaviors of epithelial ovarian cancer. MTA2 provides a novel indicator of ovarian cancer.展开更多
目的:检测正常腮腺组织、腮腺多形性腺瘤(Pleomorphic adenoma,PA)和癌在多形性腺瘤中(Carcinoma in pleomorphic adenoma,CPA)β-连环蛋白(β-catenin)和细胞周期蛋白D1(CyclinD1)的表达情况,探讨β-catenin、CyclinD1在腮腺多形性腺...目的:检测正常腮腺组织、腮腺多形性腺瘤(Pleomorphic adenoma,PA)和癌在多形性腺瘤中(Carcinoma in pleomorphic adenoma,CPA)β-连环蛋白(β-catenin)和细胞周期蛋白D1(CyclinD1)的表达情况,探讨β-catenin、CyclinD1在腮腺多形性腺瘤发生、复发及恶变中的可能作用。方法:用免疫组化S-P法结合计算机图像分析技术检测10例正常腮腺组织、10例腮腺多形性腺瘤、10例腮腺多形性腺瘤瘤旁组织、15例腮腺多形性腺瘤复发、11例癌在多形性腺瘤中β-catenin及CyclinD1的表达情况。结果:β-catenin在10例正常腮腺组织中均呈正常表达,而CyclinD1表达均呈阴性;,β-catenin、CyclinD1在腮腺PA瘤旁组织、PA、PA复发、CPA组织中的表达率及表达水平逐渐升高,且CPA组与其它各组相比均有显著性差异。结论:腮腺PA、CPA中均存在β-catenin异常表达和CyclinD1的过表达,提示β-catenin的异常表达激活CyclinD1引起细胞增殖和分化失控,在腮腺PA及CPA发生中可能具有一定作用。展开更多
文摘In order to investigate the roles of MTA2 in the pathogenesis of ovarian epithelial cancer, the expression of MTA2 in 4 ovarian cell lines were detected by semi-quantitative RT-PCR and Western-blot assays. MTA2 expression in normal, borderline, benign and malignant epithelial ovarian tissues was immunohistochemically examined. The expression of MTA2 mRNA and protein was detected in all of 4 cell lines of ovarian epithelial cancer. The expression of MTA2 mRNA and protein was higher in strong migration cell lines than in weak migration ones. In borderline and ma lignant ovarian tissues tested, MTA2 staining was dramatically stronger than in normal and benign tissues （P〈0. 01）. The expression levels in malignant ovarian tissues were significantly higher than that in borderline epithelial ovarian tissues （P〈0.01）. The expression of MTA2 was correlated with clinical stage, histopathological grade and lymph node metastasis. It was concluded that the high expression of MTA2 was associated with more aggressive behaviors of epithelial ovarian cancer. MTA2 provides a novel indicator of ovarian cancer.
文摘目的:检测正常腮腺组织、腮腺多形性腺瘤(Pleomorphic adenoma,PA)和癌在多形性腺瘤中(Carcinoma in pleomorphic adenoma,CPA)β-连环蛋白(β-catenin)和细胞周期蛋白D1(CyclinD1)的表达情况,探讨β-catenin、CyclinD1在腮腺多形性腺瘤发生、复发及恶变中的可能作用。方法:用免疫组化S-P法结合计算机图像分析技术检测10例正常腮腺组织、10例腮腺多形性腺瘤、10例腮腺多形性腺瘤瘤旁组织、15例腮腺多形性腺瘤复发、11例癌在多形性腺瘤中β-catenin及CyclinD1的表达情况。结果:β-catenin在10例正常腮腺组织中均呈正常表达,而CyclinD1表达均呈阴性;,β-catenin、CyclinD1在腮腺PA瘤旁组织、PA、PA复发、CPA组织中的表达率及表达水平逐渐升高,且CPA组与其它各组相比均有显著性差异。结论:腮腺PA、CPA中均存在β-catenin异常表达和CyclinD1的过表达,提示β-catenin的异常表达激活CyclinD1引起细胞增殖和分化失控,在腮腺PA及CPA发生中可能具有一定作用。
