E-钙黏蛋白异常表达与鼻咽癌临床病理关系的Meta分析

目的: 探讨E-钙黏蛋白(E-cadherin)在鼻咽癌组织中的异常表达与临床病理的关系,为临床提供参考。方法: 计算机检索Cochrane Library、Pubmed、EMbase数据库以及中国生物医学文献数据库、中国学术期刊全文数据库中有关E-cadherin与鼻咽癌研究的文献,采用STATA 11.0软件包进行分析。异常表达、分化程度、T分期、淋巴结转移状况及临床分期采用优势比(OR)及95%可信区间(CI)作为效应量进行分析。结果: 入选16篇文献共包括1040例鼻咽癌患者,结果显示E-cadherin在鼻咽癌组织中的异常表达较正常对照组明显增加(OR=0.096,95% CI:0.036~0.252,P=0.000);E-cadherin异常表达与分化程度、淋巴结转移及临床分期明显相关(OR=0.232,95% CI:0.061~0.884,P=0.032;OR=0.324,95% CI:0.198~0.531,P=0.000;OR=0.441,95% CI:0.232~0.835,P=0.012)。E-cadherin异常表达者肿瘤分化程度低,更易出现淋巴结转移,肿瘤分期偏晚。结论: E-cadherin在鼻咽癌组织中存在异常表达。E-cadherin可以作为鼻咽癌患者分化程度、淋巴结转移及临床分期的判断指标,值得进一步深入研究。     

E-钙黏蛋白在三阴性乳腺癌组织中的表达

目的检测E-钙黏蛋白（E-cad）在三阴性乳腺癌（TNBC）组织中的表达,探讨其评估预后的价值。方法采用免疫组化方法检测经手术病理确诊的147例TNBC患者的E—cad的表达情况。结果TNBC组织中E．cad的阳性率为32％（47／147）。E-cad阳性表达与肿块大小、组织学分级、淋巴结转移均有关（P均〈0．05）。E—cad阴性患者的5a总生存率和无病生存率均低于E-cad阳性患者（61％vs89％,27％vs65％,P均〈0．05）。结论TNBC中E-cad阳性者预后好,上调E—cad表达可能成为TNBC新的治疗手段。     

E-钙黏蛋白在鼻咽癌组织中的表达水平及其与颈部淋巴结转移的关系

目的 探讨E-钙黏蛋白(E-cadherin)在鼻咽癌组织中的表达水平以及与鼻咽癌颈部淋巴结转移的关系.方法 应用免疫组织化学SP法,检测80例鼻咽癌组织中E-cadherin的表达水平.结果 80例鼻咽癌组织中,E-cadherin低表达48例,高表达32例.随着N分期的进展,E-eadherin的表达水平越低(P=0.018).鼻咽癌颈部转移淋巴结的大小与E-cadherin的表达水平无关(χ2=1.666,P=0.435).颈部转移淋巴结局限于单个区域者的E-cadherin高表达率(69.2%)明显高于分散于多个区域者(25.9%,P=0.000),且在单个区域内单枚淋巴结转移者的E-cadherin高表达率(48.1%)明显高于多枚转移者(25.0%,P=0.044).Ⅱ、Ⅲ、Va区转移者的E-cadherin的高表达率(48.0%)虽高于Ⅰ、Ⅳ、Vb、Ⅵ区转移者(26.7%),但差异并无统计学意义(P=0.059).颈部转移淋巴结与鼻咽癌位于同侧者的E-cadherin高表达率(56.5%)和双侧转移者(32.6%)差异无统计学意义(P=0.059).结论 E-cadherin的表达水平影响鼻咽癌颈部淋巴结转移的区域;E-cadherin的表达水平越低,颈淋巴结转移数目越多,转移距离越远,N分期越晚.E-cadherin的表达水平对鼻咽癌颈部淋巴结自上而下转移的影响较其向对侧淋巴结转移的影响更为显著.     

三阴性乳腺癌中miRNA-124表达与E-钙黏蛋白及雄激素受体的关系

目的 研究三阴性乳腺癌(Triple-negative breast cancer,TNBC)中miRNA-124(miR-124)的表达与E-钙黏蛋白(E-cadherin)及雄激素受体(Androgen receptor,AR)的关系。方法 采用RT-PCR在TNBC组织和癌旁正常乳腺组织中检测miR-124的表达,免疫组化检测TNBC中E-cadherin及雄激素受体(AR)的表达。结果 与癌旁正常乳腺组织相比,TNBC组织中miR-124表达明显降低(P＜0.05);TNBC组织中,miR-124表达与组织分级、E-cadherin表达有关(P＜0.05),与AR表达无关(P＞0.05)。结论 在TNBC中,miR-124可能通过调节E-cadherin的表达发挥抑癌作用。     

E-钙黏蛋白在鼻咽癌组织中的表达水平及其与颈部淋巴结转移的关系

Objective To investigate the expression of E-cadherin in nasopharyngeal carcinoma ( NPC) and its relationship with cervical lymph node metastasis. Methods The expression of E-cadherin in 80 patients with NPC was detected by immunohistochemistry. Results Lower expression of E-cadherin was associated with advanced N-stage of the tumor ( P = 0. 018 ). There was no significant correlation between the expression of E-cadherin and lymph node size ( P = 0.435 ). The expression of E-cadherin was higher in patients with cervical lymph node metastasis limited to a single area than that distributing in some scattered areas (P = 0. 000). There was a trend that the expression of E-cadherin in the cases with the tumor and lymph nodes in the same side was higher (56. 5% ) than that in the patients with bilateral lymph node metastases (32. 6% ) , however, the difference was not significant (P =0. 059). The expression rates of E-cadherin in patients with lymph node metastasis in levels Ⅱ , Ⅲ and Ⅴa were higher than that in levels Ⅰ , Ⅳ, Vb and Ⅵ, but with a non-significant difference (P = 0.059). Conclusion The expression of E-cadherin has influence on the lymph node metastasis in nasopharyngeal carcinoma. E-cadherin expression is negatively correlated with the numbers of the lymph node metastases and the metastasis distance, i. e. a lower expression of E-cadherin leads to an advanced N-stage. The lymph node metastasis of nasopharyngeal cancer from above to below is more considerably influenced by E-cadherin expression than the metastasis towards contralateral lymph nodes.     

E-钙黏蛋白在鼻咽癌组织中的表达水平及其与颈部淋巴结转移的关系

Objective To investigate the expression of E-cadherin in nasopharyngeal carcinoma ( NPC) and its relationship with cervical lymph node metastasis. Methods The expression of E-cadherin in 80 patients with NPC was detected by immunohistochemistry. Results Lower expression of E-cadherin was associated with advanced N-stage of the tumor ( P = 0. 018 ). There was no significant correlation between the expression of E-cadherin and lymph node size ( P = 0.435 ). The expression of E-cadherin was higher in patients with cervical lymph node metastasis limited to a single area than that distributing in some scattered areas (P = 0. 000). There was a trend that the expression of E-cadherin in the cases with the tumor and lymph nodes in the same side was higher (56. 5% ) than that in the patients with bilateral lymph node metastases (32. 6% ) , however, the difference was not significant (P =0. 059). The expression rates of E-cadherin in patients with lymph node metastasis in levels Ⅱ , Ⅲ and Ⅴa were higher than that in levels Ⅰ , Ⅳ, Vb and Ⅵ, but with a non-significant difference (P = 0.059). Conclusion The expression of E-cadherin has influence on the lymph node metastasis in nasopharyngeal carcinoma. E-cadherin expression is negatively correlated with the numbers of the lymph node metastases and the metastasis distance, i. e. a lower expression of E-cadherin leads to an advanced N-stage. The lymph node metastasis of nasopharyngeal cancer from above to below is more considerably influenced by E-cadherin expression than the metastasis towards contralateral lymph nodes.     

E-钙黏蛋白、Ki-67、A20在浸润性乳腺癌患者中的表达及其临床价值

目的 探讨E-钙黏蛋白、Ki-67、A20在浸润性乳腺癌患者中的表达及其临床价值.方法 选取浸润性乳腺癌患者73例,检测治疗1个月后E-钙黏蛋白、Ki-67、A20在患者乳腺癌组织和癌旁组织中的阳性表达水平,分析其与患者临床症状间的相关性,对可能影响患者预后的相关因素进行单因素和多因素Cox分析.结果(1)Ki-67和...     

E-钙黏蛋白及Ki67在三阴性乳腺癌中的表达及临床意义

目的探讨E-钙黏蛋白、Ki67在三阴性乳腺癌(TNBC)中的表达及临床意义。 方法回顾性分析陆军军医大学新桥医院2010年1月至2013年12月收治的77例女性TNBC患者临床资料。采用免疫组织化学方法检测E-钙黏蛋白和Ki67的表达情况,通过χ²检验分析其与患者临床病理资料的关系。由于77例患者中有5例失访,本研究仅对随访资料完整的72例患者采用Kaplan-Meier法、Log-rank检验、Cox逐步回归模型进行生存分析和危险因素分析。 结果在77例患者中,E-钙黏蛋白的表达与淋巴结状态有关(χ²＝16.428,P<0.001),而Ki67表达与组织学分级有关(χ²＝7.218,P＝0.007)。中位随访59个月,72例患者的DFS率和OS率分别为58.3%、68.1%。其中,E-钙黏蛋白高表达者DFS率和OS率均高于低表达者(DFS率：75.9%比46.5%,χ²＝7.553,P＝0.006;OS率：82.8%比58.1%,χ²＝5.132,P＝0.023),而Ki67低表达者DFS率和OS率均高于高表达者(DFS率：84.0%比44.7%,χ²＝9.486,P＝0.002;OS率：92.0%比55.3%,χ²＝9.006,P＝0.003)。Cox逐步回归模型分析显示,淋巴结转移、组织学分级高是患者DFS的独立危险因素(OR＝4.030, 95%CI：1.854～8.757, P<0.001; OR＝2.879,95%CI：1.359～6.100,P＝0.006),Ki67高表达、淋巴结转移是OS的独立危险因素(OR＝5.067,95%CI：1.179～21.768, P＝0.029; OR＝6.253,95%CI：2.296～17.034, P<0.001)。 结论E-钙黏蛋白高表达和Ki67低表达的TNBC预后良好,这对于乳腺癌的个体化治疗具有一定的指导意义。     

MACC1表达与乳腺癌临床病理学特征相关性的Meta分析

目的:探讨MACC1表达与乳腺癌临床病理学特征的相关性。方法:检索2020年05月13日前发表于PubMed、Cochrane Library等数据库中关于MACC1表达与乳腺癌的相关性研究,依次通过浏览标题、摘要和全文进行文献筛选,由2名研究者对符合纳入标准的文献进行Meta分析。结果:经筛选后采纳8项研究,共收集乳腺癌组织911例及癌旁正常组织429例。Meta分析结果示:MACC1在乳腺癌组织中阳性表达显著高于癌旁正常组织（OR=10.14,95%CI 5.32~19.32,P＜0.000 01）。MACC1在乳腺癌组织中阳性表达与肿瘤大小、远处转移、HER-2表达阳性、组织学分级显著相关,与ER、PR表达水平、患者是否绝经无统计学差异。结论:MACC1在乳腺癌中阳性表达明显高于癌旁正常组织,MACC1与肿瘤大小、组织学分级、远处转移及HER-2过表达相关,提示MACC1可作为乳腺癌患者预后不良的指标,尤其在HER-2型乳腺癌中有更重要的意义。     

KAI1和E-钙黏蛋白在75例胃癌中的表达

[目的]探讨KAI1、E-钙黏蛋白在胃癌中的表达及意义。[方法]用免疫组织化学S-P法检测75例胃癌及癌旁组织中KAI1和E-钙黏蛋白的表达。[结果]胃癌组织中KAI1和E-钙黏蛋白的表达为52．00％和46．67％，癌旁组织为98．52％和92．43％，有显著性差异（P均〈0．01）；胃癌组织中KAI1和E-钙黏蛋白的表达与胃癌的临床分期、浸润深度和有无淋巴结转移密切相关（P均〈0．05）．与肿瘤分化程度无关（P均〉0．05）。KAI1与E-钙黏蛋白的表达呈正相关（r=-0．417，P〈0．05）。[结论]KAI1和E-钙黏蛋白表达与胃癌的浸润转移有关，联合检测这两项指标有助于判断胃癌的生物学行为。     

粘附分子E-cadherin在乳腺肿瘤中的异常表达及其意义

E—cadherin是介导上皮细胞间粘附的一种粘附分子,其功能异常与肿瘤的浸润和转移密切相关。乳腺肿瘤中,E—cadherin表达缺失或下降,在肿瘤的浸润转移过程中起着非常重要的作用。基因突变、基因启动子区甲基化或转录抑制等是E—cadherin表达异常的原因。     

A meta-analysis of the relationship between lymphatic microvessel density and clinicopathological parameters in breast cancer

BackgroundBreast cancer is a common malignant neoplasm that is a leading cause of cancer death in women despite recent advances in treatment and research. The role of lymphangiogenesis in breast cancer development remains a source of controversy in current research.ObjectiveThe relationship between lymphatic microvessel density (LMVD) and the clinicopathological parameters of breast cancer can be effectively examined by meta-analysis of recent studies.MethodsA total of 10 relevant studies consisting of 1,044 total patients were examined by electronic searches of PubMed and Embase databases. Weighted mean difference (WMD) and 95% confidence intervals (CI) were estimated and pooled according to standard methods. LMVD data was pooled by tumor size, lymphatic node metastases, and tumor hormone receptor status of estrogen receptors (ER) and progesterone receptors (PR).ResultsA remarkable correlation between LMVD and lymph node metastases was observed in pooled analyses using a random-effects model (WMD: 2.72; 95%CI: 2.27, 3.16; P = 0.000). LMVD and tumor size showed a pooled WMD value of 0.00 (95%CI: -0.49, 0.50; P = 0.009), indicating no significant correlation between LMVD and tumor size. LMVD and either ER or PR status showed pooled WMD values of 0.24 (95%CI: -0.30, 0.79; P = 0.004) and -0.12 (95%CI: -0.81, 0.56, P = 0.301), respectively, also indicating no significant correlation between LMVD and ER or PR status.ConclusionA close relationship was observed between LMVD and lymph node metastases, though no correlation between LMVD and other important clinicopathological parameters was apparent. The current meta-analysis suggests that LMVD may be associated with increased metastatic activity in breast cancer, though the full role of lymphangiogenesis in breast cancer remains uncertain.     

E-钙黏附蛋白表达与乳腺癌及三阴性乳腺癌预后的相关性研究

目的探讨E-钙黏附蛋白表达对判断乳腺癌及三阴性乳腺癌预后的意义。方法用随机数字法调取本院2003～2005年浸润性乳腺癌（浸润性小叶癌除外）280例,用免疫组化法检测E．钙黏附蛋白表达情况。Log Rank法对比生存曲线,分析E-钙黏附蛋白表达与乳腺癌及三阴性乳腺癌预后的相关性。结果在280例乳腺癌患者中,E-钙黏附蛋白表达阴性患者较E-钙黏附蛋白表达阳性患者预后差（生存率对比Log Rank=19．99,P=0．00;无瘤生存率对比Log Rank=21．42,P=0．00）。在32例三阴性乳腺癌患者中,E-钙黏附蛋白表达阴性患者较E．钙黏附蛋白表达阳性患者预后差（生存率对比Log Rank=4．67,P=0．03;无瘤生存率对比：Log Rank=6．54,P=0．01）。结论E-钙黏附蛋白是乳腺癌及三阴性乳腺癌的预后因子,有助于进一步划分三阴性乳腺癌的亚型。     

乳腺癌组织Ezrin表达及其与临床病理特征关系的研究

目的:研究Ezrin表达与乳腺癌临床病理特征的关系。方法:应用组织芯片技术和免疫组织化学方法检测117例浸润性乳腺癌和41例乳腺良性增生中,Ezrin、ER、PR、c-erbB-2、MMP-2及MMP-9的表达。结果:Ezrin在91.89%(34/37)的乳腺良性增生中表达于导管腔缘上皮顶膜,在细胞质内无表达;在76.99%(87/113)的乳腺癌组织中,Ezrin表现为细胞质中弥散表达,未见顶膜表达,两者差异有统计学意义,P=0.000。在乳腺癌组织中,Ezrin表达与肿瘤最大直径、TNM分期、淋巴结转移以及基质细胞中MMP-2和MMP-9的表达呈正相关,P值分别为0.016、0.002、0.036、0.007和0.002;而与年龄、组织学分级、ER、PR、c-erbB-2、肿瘤细胞中MMP-2及MMP-9表达无明显相关性。结论:Ezrin在乳腺良恶性病变中有明显不同的亚细胞定位,其表达情况对乳腺病变性质的判断具有重要价值。高表达Ezrin的乳腺癌具有更高的侵袭性和淋巴结转移能力,在乳腺癌组织中检测Ezrin的表达能为患者的预后和淋巴结转移风险评估提供重要参考。     

Significance of E-cadherin expression in triple-negative breast cancer

Purpose:

Triple-negative breast cancer (TNBC), a subtype of breast cancer that is oestrogen receptor (ER) negative, progesterone receptor (PR) negative, and human epidermal growth factor receptor 2 (HER2) negative, has a poor prognosis. Although a correlation between E-cadherin expression level and outcome has been demonstrated among all types of breast cancer, little is known about the significance of E-cadherin expression levels in TNBC.

Methods:

A total of 574 patients who had undergone a resection of a primary breast cancer except for invasive lobular carcinomas were enrolled in this study. Expressions of ER, PR, HER2, and E-cadherin were assessed by immunohistochemistry. We examined the association between TNBC and other clinicopathological variables and evaluated the significance of the E-cadherin expression.

Results:

Among the 574 breast cancer cases, 123 (21.4%) revealed a triple-negative phenotype. Patients with TNBC experienced more frequent lymph node metastasis (P=0.024) and a poorer prognosis (P<0.001) in comparison with non-TNBC patients. Triple-negative breast cancer was an independent prognostic factor. Reduced levels of E-cadherin were observed in 238 (41.5%) of the 574 breast cancer cases. E-cadherin reduction was significantly frequent in cases of TNBC (P<0.001) and lymph node metastasis (P=0.032). Furthermore, in the 123 TNBC cases, the prognosis of patients with an E-cadherin-negative expression was significantly worse than that of E-cadherin-positive patients (P=0.0265), especially for those in clinical stage II (P=0.002). A multivariate logistic regression analysis showed a reduction of the E-cadherin expression to be an independent prognostic factor (P=0.046).

Conclusion:

E-cadherin expression may be a useful prognostic marker for classifying subgroups of TNBC.     

DNA-PKcs表达与乳腺癌临床病理特征关系的研究

目的：研究DNA依赖蛋白激酶催化亚单位（DNA-PKcs）表达与浸润性乳腺癌临床病理特征的关系。方法：应用组织芯片技术和免疫组织化学方法检测101例浸润性乳腺癌中DNA-PKcs以及ER、PR、c-erbB-2的表达情况,采用χ2检验及Spearman秩和相关检验分析结果。结果：DNA-PKcs表达与浸润性乳腺癌的肿瘤大小、淋巴结转移数量、TNM分期均呈负相关（分别为r=-0.319,P=0.001;r=-0.378,P=0.000;rs=-0.428,P=0.000）;与ER表达呈正相关（rs=0.279,P=0.005）;与患者年龄、肿瘤组织学分级、及PR、c-erbB-2表达的关系无统计学意义（P〉0.05）。结论：DNA-PKcs低表达与浸润性乳腺癌的进展及淋巴结转移关系密切,有可能成为预测乳腺癌预后重要的生物学指标。     

E-cadherin、claudin-1联合检测与乳腺癌侵袭转移关系的研究

目的:研究上皮钙黏蛋白(E-cadherin,E-cd)、紧密连接蛋白(claudin-1,CLND)在乳腺癌组织中的表达,探讨E-cd、claudin-1与乳腺癌侵袭转移的关系及临床应用中的意义。方法:应用免疫组织化学染色法,检测60例乳腺癌术后标本的癌组织中E-cd、claudin-1的表达,分析两者联合检测与淋巴结转移及癌基因(CerbB2)的关系。结果:E-cd与claudin-1在乳腺癌中的表达无相关性,但在联合检测时,E-cd(-)/claudin-1(-)组淋巴结受累率80%(3/12例)、CerbB2阳性表达率73.3%(11/15例),明显高于E-cd( )/claudin-1( )组25.5%(4/13例)和31.2%(5/11例),有显著性差异(P<0.05)。结论:E-cd、claudin-1在乳腺癌中的表达无相关性,是相对对立的因素,但两基因联合检测是筛选术后转移高危人群可靠的手段;E-cd、claudin-1在抑制肿瘤侵袭转移中起着重要作用,可作为判断预后的参考指标之一。     

三阴性乳腺癌中MMP-9及E－cadherin表达的意义

目的：探讨三阴性乳腺癌（ TNBC）中基质金属蛋白酶-9（ MMP-9）及E-钙粘蛋白（ E-cadherin）表达情况及二者与TNBC临床病理特征的关系,从而分析MMP-9与E-cadherin在TNBC发生发展中的作用。方法应用免疫组化法检测127例TNBC组织中MMP-9和E-cadherin的表达情况。结果 TNBC中MMP-9阳性表达率为53．54％,E-cadherin阳性表达率为32．28％。 MMP-9的表达与肿瘤大小（P＝0．007）,组织学分级（P＝0．006）,临床分期（P＝0．003）,淋巴结转移（P＝0．000）和淋巴管浸润（P＝0．015）相关。 E-cadherin的表达与淋巴结转移（P＝0．016）和淋巴管浸润（P＝0．021）相关。同时统计结果显示二者表达与其他因素无相关性（ P＞0．05）。结论 MMP-9和E-cadherin与TNBC的浸润和转移有关,可能成为TNBC靶向治疗的研究靶点。     

趋化因子受体CCR3在乳腺癌中的表达及意义

目的 研究趋化因子受体CCR3在人乳腺癌中的表达情况,并分析其与乳腺癌相关临床病理特征的关系.方法 应用免疫组织化学方法检测在150例乳腺癌及相应癌旁正常乳腺组织中CCR3的表达.分析乳腺癌中CCR3表达与患者年龄、临床分期、肿瘤大小、淋巴结转移状况、雌激素受体(estrogen receptor,ER)、孕激素受体(progesterone receptor,PR)、人表皮生长因子受体-2(human epidermal growth factor receptor-2,HER-2)等临床病理特征的相关性.结果 (1) CCR3在乳腺癌组织及癌旁正常乳腺组织中均有表达,150例乳腺癌组织中CCR3的阳性表达率为86.7％,在相应癌旁正常组织中的阳性表达率为14.0％;CCR3在乳腺癌组织的表达明显高于癌旁正常乳腺组织,差异有统计学意义(P ＜0.001);(2) CCR3的表达与患者的年龄、肿瘤大小、临床分期、淋巴结转移与否、ER、PR及HER-2的表达等临床病理特征无关(P＞0.05).结论 CCR3可能对乳腺癌的发展有一定的作用,CCR3在乳腺癌中表达的高低与发生淋巴结转移无明显的相关性,CCR3能否作为预测淋巴结转移的指标有待于进一步的研究.