胃腺癌中胎盘型谷胱甘肽转移酶π、P-糖蛋白、拓扑异构
酶Ⅱ及胸苷酸合成酶的表达及其临床意义
杨东杰;姚宏;茅青;冯晓星;谢碧琛
【期刊名称】《肿瘤研究与临床》 【年(卷),期】2013(025)009
【摘要】目的 探讨胎盘型谷胱甘肽转移酶π(GST-π)、P-糖蛋白(P-gp)、拓扑异构酶Ⅱ(TopoⅡ)及胸苷酸合成酶(TS)在胃腺癌组织中的表达特点及其临床意义.方法 应用免疫组织化学Envision法联合检测GST-π、P-gp、TopoⅡ及TS在64例胃腺癌组织和12例正常胃黏膜组织中的表达,并结合其临床资料进行综合分析.结果 胃腺癌组织中GST-π、P-gp、TopoⅡ及TS的表达阳性率分别为76.6%(49/64)、64.1%(41/64)、84.4%(50/64)和53.1%(34/64),均高于其在正常胃黏膜组织中的8.3%(1/12)、8.3%(1/12)、16.7%(2/12)、0,其差异均有统计学意义(P<0.01);它们在胃腺癌组织中的表达与患者的性别、年龄、肿瘤大小、临床分期、侵袭深度及淋巴结转移情况均无关(P>0.05),而与肿瘤的分化程度有关(P<0.05),GST-π、P-gp及TS在高、中分化腺癌中的表达均高于低分化腺癌,而TopoⅡ在高、中分化腺癌中的表达低于低分化腺癌(P<0.05).结论 GST-π、P-gp、TopoⅡ及TS在胃腺癌中过表达与胃腺癌的多药耐药相关.联合检测GST-π、P-gp、TopoⅡ及TS在胃腺癌组织中的表达,对化疗药物的选择及预后的判断有一定的临床指导意义.%Objective To explore the expression of
glutathione-S-transferase-π(GST-π),P-glycoprotein
(P-
gp),topoisomerase Ⅱ (Topo Ⅱ) and thymidylate synthase (TS) in gastric adenocarcinoma tissues and the clinical significance.Methods Envision
method of immunohistochemistry was used to detect the expression of GST-π,P-gp,Topo Ⅱ and TS in sample of 64 gastric adenocarcinoma tissues and 12 normal gastric mucosas,and their corresponding clinical data were comprehensive analyzed.Results The expression positive rates of GST-π,P-gp,Topo Ⅱand TS were respectively 76.6 %(49/64),64.1% (41/64),84.4 % (50/64) and 53.1% (34/64),that were all higher than in gastric mucosa [8.3 % (1/12),8.3 %(1/12),16.7 % (2/12),0],the differences were statistically significant respectively (P < 0.01).Their positive expression rates were closely relevant to the degree of differentiation (P < 0.05),but not to the patients' gender,age,tumour size,clinical staging,invasive depth and lymph node metastasis (P > 0.05).The expressions of GST-π,P-gp and TS in high and middle differentiation
adenocarcinoma
were
high.er
than
in
low
differentiation,but the expression of Topo Ⅱ in high and middle differentiation adenocarcinoma was lower than in low differentiation (P < 0.05).Conclusion GST-π,P-gp,Topo Ⅱ and TS are over-expressed in gastric adenocarcinoma,which is related to the multidrug resistance of gastric adenocarcinoma.The joint detection of the expression of GST-π,P-gp,Topo Ⅱ and TS in gastric adenocarcinoma can be looked as an important symbol for guiding its chemotherapy drug and prognosis. 【总页数】4页(595-598)
【关键词】胃肿瘤;多药耐药;谷胱甘肽转移酶π;P-糖蛋白;拓扑异构酶Ⅱ;胸苷酸
合成酶
【作者】杨东杰;姚宏;茅青;冯晓星;谢碧琛
【作者单位】214041 无锡,南通大学第三附属医院病理科;太原市人民医院病理科;214041 无锡,南通大学第三附属医院病理科;214041 无锡,南通大学第三附属医院病理科;214041 无锡,南通大学第三附属医院病理科 【正文语种】中文 【中图分类】 【文献来源】
https://www.zhangqiaokeyan.com/academic-journal-cn_cancer-research-clinic_thesis/0201236878550.html 【相关文献】
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