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TLR4和MyD88在食管鳞癌组织中的表达及临床意义
Authors
任玲
吕胜祥
+6 more
张志梅
张树贤
徐萍
梁旭阳
王璐
马艳芹
Publication date
1 May 2021
Publisher
Editorial Office of Journal of Sun Yat-sen University
Doi
Abstract
目的探讨Toll样受体4(TLR4)和髓样分化因子88(MyD88)在食管鳞状细胞癌(食管鳞癌)组织中的蛋白表达及其与相关病理学因素的关系与临床意义。方法选择72例食管鳞癌石蜡标本和癌旁正常组织石蜡标本,采用EnVision免疫组化染色法检测TLR4、MyD88、增殖细胞核抗原(PCNA)和血管内皮生长因子(VEGF)在食管鳞癌组织及癌旁正常组织中的蛋白表达水平,并应用多因素Logistic逐步回归分析对其表达与临床病理因素进行分析。结果食管鳞癌组织中TLR4、MyD88、PCNA和VEGF蛋白表达显著高于正常组织(P=0.031,P=0.011,P=0.012,P=0.022)。多因素Logistic逐步回归分析得出TLR4、MyD88、PCNA和VEGF蛋白表达水平的独立危险因素为TNM分期(P=0.032,P=0.005,P=0.000,P=0.003),而不是性别、年龄、肿瘤浸润深度、分化程度等。食管鳞癌组织TLR4和MyD88的蛋白表达呈正相关,差异有统计学意义(r=0.618,P˂0.01);MyD88和PCNA及MyD88和VEGF的蛋白表达均呈正相关,差异均有统计学意义(r =0.516,P˂0.01;r =0.708,P ˂0.01)。结论TNM分期为TLR4、MyD88、PCNA和VEGF蛋白表达水平高低的独立危险因素,且MyD88与TLR4及PCNA、VEGF的蛋白表达均呈正相关,说明TLR4-MyD88信号通路可以促进食管鳞癌的发生和发展,联合检测TLR4和MyD88可能有助于评估食管鳞癌的恶性程度。因此,TLR-MyD88信号转导通路有可能参与了食管鳞癌的发生发展,成为治疗食管鳞癌的靶基因
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Last time updated on 15/10/2024