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11.
目的:探讨Ezrin在大肠癌中的表达特点及其与临床病理参数的关系.方法:应用免疫组织化学S-P法检测100例大肠癌组织及11例癌旁正常黏膜中Ezrin的表达情况.结果:Ezrin阳性表达率在大肠正常粘膜、大肠癌组织中分别为36.4%、75%,差异有统计学意义(P<0.05);淋巴结转移组Ezrin阳性率(89.6%)显著高于无淋巴结转移组(61.5%)(P<0.05);在大肠癌中,Ezrin异常表达与大肠癌患者的年龄、性别、肿瘤的发生部位以及分化程度无关(P>0.05).结论:Ezrin表达水平提高提示癌组织具有更高的浸润、侵袭能力和淋巴结转移风险,检测 Ezrin有望成为判断大肠癌患者预后的新指标或治疗肿瘤转移的一个靶点. 相似文献
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目的：探讨金属硫蛋白（Metallothionein,MT）在乳腺癌中过表达的意义及其与乳腺癌化疗方案选择的相关性。方法：利用SP免疫组织化学技术,检测88例乳腺癌组织中MT表达率。结果：MT在乳腺癌中总阳性率为67.05%（59/88）。MT在髓样癌、小叶癌和导管癌中的阳性率分别为41.67%,85.71%和62.50%。在浸润型乳腺癌组阳性率明显高于非浸润型癌组（P〈0.05） 在小叶癌组阳性率高于髓样癌组和导管癌组（P〈0.05） 淋巴结转移组阳性率高于非转移组（P〈0.05）。结论：MT表达与乳腺癌的病理类型及有否淋巴结转移相关,检测MT对乳腺癌化疗方案的制定有指导意义。 相似文献
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MMP-9和CD15s与胃癌血管生成的相关性研究及其临床意义 总被引：2，自引：0，他引：2
目的:探讨基质金属蛋白酶9(MMP-9)和唾液酸化Lewis X(CD15s)抗原与胃癌侵袭转移的相关性。方法:采用CD105,MMP-9,CD15s进行免疫组化S-P法染色,对47例胃癌根治性切除手术标本病理组织切片进行标记,检测CD105的微血管密度(MVD),并对MVD与MMP-9、CD15s的关系进行统计分析。结果:MMP-9、CD15s表达都呈阳性的胃癌组织微血管密度高于MMP-9和CD15s单阳性及二者均阴性的胃癌组织。结论:MMP-9高表达有利于癌组织局部浸润,CD15s高表达有利于癌细胞血行转移,MMP-9及CD15s检测对临床诊治胃癌及判断预后具有一定意义。 相似文献
14.
Guo-qing Ding Yan-lan Yu Zhou-jun Shen Xie-lai Zhou Shan-wen Chen Guo-dong Liao Yue Zhang 《Journal of Zhejiang University. Science. B》2012,13(5):335-341
Objective:Our objective was to construct a recombinant bacillus Calmette-Guérin vaccine(rBCG) that secretes human interferon-alpha 2b(IFNα-2b) and to study its immunogenicity and in vitro antitumor activity against human bladder cancer cell lines T24 and T5637.Methods:The signal sequence BCG Ag85B and the gene IFNα-2b were amplified from the genome of BCG and human peripheral blood,respectively,by polymerase chain reaction(PCR).The two genes were cloned in Escherichia coli-BCG shuttle-vector pMV261 to obtain a new recombinant plasmid pMV261-Ag85B-IFNα-2b.BCG was transformed with the recombinant plasmid by electroporation and designated rBCG-IFNα-2b.Mononuclear cells were isolated from human peripheral blood(PBMCs) and stimulated with rBCG-IFNα-2b or wild type BCG for 3 d,and then cultured with human bladder cancer cell lines T24 and T5637.Their cytotoxicities were measured by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT) assay.Results:BCG was successfully transformed with the recombinant plasmid pMV261-Ag85B-IFNα-2b by electroporation and the recombinant BCG(rBCG-IFNα-2b) was capable of synthesizing and secreting cytokine IFNα-2b.PBMC proliferation was enhanced significantly by rBCG-IFNα-2b,and the cytotoxicity of PBMCs stimulated by rBCG-IFNα-2b to T24 and T5627 was significantly stronger in comparison to wild type BCG.Conclusions:A recombinant BCG,secreting human IFNα-2b(rBCG-IFNα-2b),was constructed successfully and was superior to control wild type BCG in inducing immune responses and enhancing cytotoxicity to human bladder cancer cell lines T24 and T5637.This suggests that rBCG-IFNα-2b could be a promising agent for bladder cancer patients in terms of possible reductions in both clinical dosage and side effects of BCG immunotherapy. 相似文献
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目的:观察Survivin和Ki67在食管鳞癌中的表达,并探讨Survivin与Ki67的表达关系及其临床意义.方法:应用免疫组织化学法检测70例食管鳞癌组织石蜡切片Survivin和Ki67的表达,分析Survivin表达与临床病理因素及Ki67的关系.结果:Survivin在食管鳞癌组织中的表达率为72.9%(51/70),Ki67在食管鳞癌组织中的表达率为67.1%(47/70).Survivin表达和Ki67表达与食管鳞癌分化程度、淋巴结转移、TNM分期明显相关(P＜0.05).Survivin表达和Ki67表达呈正相关(P＜0.05).结论:Survivin和Ki67可作为判断食管癌组织恶性程度和预后的指标之一. 相似文献
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应用免疫组化SP法对94例乳腺癌、41例乳腺良性病变和10例正常乳腺组织进行了细胞粘附分子CD_(15)检测。结果发现,CD_(15)。在乳腺癌和乳腺良性病变的阳性率分别为79.8％和58.3％,两者有显著差异性(P<0 01),10例正常乳腺组织仅4例呈CD_(15)弱阳性反应。CD_(15)表达与患者年龄和肿瘤大小无显著关系。CD_(15)表达阳性率在浸润性导管癌中显著高于单纯癌(P<0.05),组织学Ⅱ～Ⅲ级显著高于Ⅰ级者(P<0.05),临床Ⅲ一Ⅳ期显著高于Ⅰ期和Ⅱ期者(P<0.05),淋巴结转移阳性组显著高于阴性组(P<0.01)。在一组原发部位和淋巴结转移性乳腺癌配对标本中,CD_(15)表达无明显差异性。CD_(15)阳性的乳腺癌Cath-D和c-erbB-2的表达阳性率均显著高于CD_(15)阴性者(P<0.001)。结果提示,CD_(15)的表达与乳腺癌的发生发展、浸润转移及预后有密切关系。 相似文献
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先天性胆管囊状扩张症是一种少见病,儿童多见,本病的典型临床表现为腹痛、黄疸和腹部包块,但临床上具有典型的三联征者非常少见。此病保守治疗效果差,一经确诊尽早手术治疗是本病唯一有效的治疗方法。术后严密观察病情变化,及时发现和处理异常情况可避免严重并发症的发生。应做好患儿的心理护理、饮食护理及各种引流管的护理,指导患儿及早下床活动,提高手术疗效。 相似文献
18.
探讨mdm-2基因与睾丸肿瘤发生及预后的关系．应用免疫组化方法检测27例睾丸肿瘤中mdm-2蛋白表达水平．发现有12例标本mdm-2蛋白阳性表达，并且与睾丸肿瘤的病理分级和临床分期有关，提示睾丸肿瘤恶性程度与mdm-2蛋白表达具有明显相关性．mdm-2蛋白表达可能成为睾丸肿瘤预后的指标。 相似文献
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Purpose: To investigate the relationship between expression of cell cycle-related protein cyclin D1, p27kipl and the pathogenesis of bronchioloalveolar carcinoma (BAC) and the value of prediction of prognosis. Methods: Cyclin D 1 and p27kip 1 protein were detected by immunohistochemical En Vision method in 43 BACs. Results: The positivity of cyclin D 1 in BAC was 65.1% (28/43), which was significantly higher than that in normal pulmonary tissue (0/13), P＜0.01. No statistically significant association was found between cyclin D1 expression data and sex, age, tobacco-use history, histologic subtype (mucinous vs nonmucinous), stromal fibrosis, lymph node metastasis, clinical stage or postoperative survival period (P＞0.05), while cyclin D1 expression was found to be negatively correlated with tumor size (P＜0.05). The positivity of p27kipl in BACs was 51.2% (22/43), significantly lower than that in normal pulmonary tissue (12/13), P＜0.01. p27kipl expression level was not associated with sex, age, tobacco-use history, tumor size or histologic subtype (P＞0.05), but was negatively correlated with stromal fibrosis, lymph node metastasis and clinical stage (P＜0.05); and positively associated with postoperative survival period (P＜0.01). The survival rate of p27kipl positive group was significantly higher than that of p27kipl negative group (P＜0.01). No statistically significant correlation was found between cyclin D 1 and p27kipl expression. Conclusions: Increased cyclin D1 expression and decreased p27kip 1 expression are related to the pathogenesis of BAC;decreased p27kipl expression is associated with metastasis progression; immunodetection ofp27kip 1 is useful for assessment of prognosis. 相似文献
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INTRODUCTION Bronchioloalveolar carcinoma (BAC) is a par-ticular subtype of pulmonary adenocarcinoma de-rived from clara cell and type II pneumocyte. BAC cells grow along and within alveolar spaces while the alveolar framework of the lung is preserved. The incidence of BAC appears to be rising recently. The etiology and pathogenesis of this unique neoplastic disease are still unclear; many studies of oncogene and tumor suppressor gene expression include BAC with all adenocarcinoma o… 相似文献