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1)  Topoisomerase-Ⅱ
拓扑异构酶-Ⅱ
1.
Objective:To investigate the expression of Topoisomerase-Ⅱ(Topo-Ⅱ)and explore its clinicopathological and prognostic significance in neuroblastoma.
目的:探讨神经母细胞瘤中拓扑异构酶-Ⅱ(Topo-Ⅱ)表达的临床病理及预后意义。
2)  TopoisomeraseⅡ
拓扑异构酶Ⅱ
1.
Background &Objective:Multi-drug resistance(MDR)is the most important failing reason of tumor chemotherapy,the substance that P-glycoprotein(P-gp),glutathione S-transferase-π(GST-π),TopoisomeraseⅡ(TopoⅡ)etc was the fundamental substances p roducing MDR.
背景与目的:P糖蛋白(P-gp)、谷胱甘肽-S-转移酶(GST-π)和拓扑异构酶Ⅱ(Topo-Ⅱ)等多种细胞内物质是恶性肿瘤产生多药耐药的物质基础,胃癌是比较常见的恶性肿瘤,应用免疫组化方法检测化疗前P-gp、GST-π和Topo-Ⅱ三因素在胃癌中表达的报告还比较少,为此,本文检测P-糖蛋白(P-gp)、谷胱甘肽-S-转移酶(GST-π)和拓扑异构酶II(Topo-Ⅱ)在胃癌组织中的表达,探讨其与胃癌分化、转移的关系。
2.
Objective To explore the expression and clinical significance of P-glycoprotein(P-gp), Glutathione-transferase pi(GST-π) and TopoisomeraseⅡ(TopoⅡ) in cervical cancer.
目的:探讨P-糖蛋白(P-glycoprotein,P-gp)、谷胱甘肽S-转移酶-π(Glutathione-transferase pi,GST-π)和DNA拓扑异构酶Ⅱ(TopoisomeraseⅡ,TopoⅡ)在宫颈癌组织中的表达及其临床意义。
3.
TopoisomeraseⅡ is an enzyme,important for DNA replication,transcription,mitosis and other vital process.
在DNA复制,转录和有丝分裂等重要的生命过程中,拓扑异构酶Ⅱ是一种重要的酶。
3)  TopoisomeraseⅡ
DNA拓扑异构酶Ⅱ
1.
Objective To examine the expression of Glutathione-s-transferase-π(GST-π),TopoisomeraseⅡ(TopoⅡ),Estrogen receptor(ER),Progesterone receptor(PR) in breast carcinoma tissues and study on clinical relationship between GST-π,TopoⅡ,ER and PR in breast carcinoma.
目的检测谷胱甘肽-S-转移酶-π(GST-π)、DNA拓扑异构酶Ⅱ(TopoⅡ)及雌、孕激素受体(ER、PR)在乳腺癌组织中的表达,分析其在乳腺癌临床病理特征间的关系。
2.
[Objective]To study clinical significance of topoisomeraseⅡ(TopoⅡ),proliferating cell nuclear antigen(PCNA) expression in gastric mucosal of chronic atrophic gastritis(CAG) patients.
目的观察慢性萎缩性胃炎(CAG)患者胃黏膜标本中DNA拓扑异构酶Ⅱ(ToPoⅡ)和增殖细胞核抗原(PCNA)的表达及意义。
4)  topoisomerase Ⅱ
拓扑异构酶Ⅱ
1.
Anticancer drugs targeting DNA topoisomerase Ⅱ;
以DNA拓扑异构酶Ⅱ为靶点的抗癌药物
2.
The mRNA and protein level of topoisomerase Ⅱ(Topo Ⅱ) and transcript fa.
方法用MTT法,测定H446小细胞肺癌细胞24 h抑制率;AO/EB双荧光染色观察细胞活率;琼脂糖凝胶电泳检测DNA断裂条带;半定量RT-PCR及蛋白印迹检测DNA拓扑异构酶Ⅱ(TopoⅡ)及特化蛋白1(SP1)的表达。
3.
Objective To investigate the expression of lung resistance protein(LRP) and topoisomerase Ⅱ(TOPOⅡ) in stomach cancer and evaluate its clinical significance.
目的探讨胃癌中肺耐药蛋白(LRP)、拓扑异构酶Ⅱ(TOPOⅡ)的表达及临床意义,以期为选择化疗方案提供参考,获得更有效的化疗效果。
5)  DNA topoisomerases-Ⅱ
DNA拓扑异构酶-Ⅱ
6)  DNA topoisomerase Ⅱ
DNA拓扑异构酶Ⅱ
1.
Expression and Significance of DNA Topoisomerase Ⅱin Esophageal Carcinoma;
DNA拓扑异构酶Ⅱ在食管癌的表达及意义
2.
Expression of P-glycoprotein, DNA topoisomerase Ⅱ, glutathione S-transferase π in malignant digestive canal carcinomas;
消化道恶性肿瘤组织中P糖蛋白、DNA拓扑异构酶Ⅱ及谷胱甘肽转移酶π亚型的表达
3.
Objective:To evaluate the clinicopathological significance of expressions of c-erbB-2,p53,proliferating cell nuclear antigen(PCNA),DNA topoisomerase Ⅱ(TopoⅡ),estrogen receptor(ER) and progesterone receptor(PR) in breast cancer.
目的:探讨c-erbB-2、p53、增殖细胞核抗原(proliferating cell nuc lear antigen,PCNA)和DNA拓扑异构酶Ⅱ(DNAtopoisom eraseⅡ,TopoⅡ)及雌激素受体(estrogen receptor,ER)和孕激素受体(progesterone receptor,PR)在乳腺癌的表达和临床病理关系。
补充资料:DNA拓扑异构酶抑制剂
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性质:一类能够抑制DNA拓扑异构酶活性的化合物。DNA拓扑异构酶参与催化各种遗传过程中DNA链的断开和再连接。DNA拓扑异构酶抑制剂有助于研究异构酶的作用方式和功能,已发现许多这种抑制剂可作为抗肿瘤药,如鬼臼素(epipodophyllotoxins)等一些拓扑酶Ⅱ的特异性抑制剂。

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