1.南京医科大学连云港临床学院//连云港市第一人民医院消化内科,江苏 连云港 222061
2.南京医科大学上海松江临床医学院消化内科,上海201600
梁旭阳,博士生,主治医师,研究方向:消化道肿瘤筛查及基础研究,E-mail :aaznrtzmbb@163.com
收稿:2020-11-11,
纸质出版:2021-05-20
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梁旭阳,徐萍,吕胜祥等.TLR4和MyD88在食管鳞癌组织中的表达及临床意义[J].中山大学学报(医学科学版),2021,42(03):475-481.
LIANG Xu-yang,XU Ping,LV Sheng-xiang,et al.Expression and Clinical Significance of TLR4 and MyD88 in Esophageal Squamous Cell Carcinoma[J].Journal of Sun Yat-sen University(Medical Sciences),2021,42(03):475-481.
梁旭阳,徐萍,吕胜祥等.TLR4和MyD88在食管鳞癌组织中的表达及临床意义[J].中山大学学报(医学科学版),2021,42(03):475-481. DOI: 10.13471/j.cnki.j.sun.yat-sen.univ(med.sci).2021.0120.
LIANG Xu-yang,XU Ping,LV Sheng-xiang,et al.Expression and Clinical Significance of TLR4 and MyD88 in Esophageal Squamous Cell Carcinoma[J].Journal of Sun Yat-sen University(Medical Sciences),2021,42(03):475-481. DOI: 10.13471/j.cnki.j.sun.yat-sen.univ(med.sci).2021.0120.
目的
2
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
2
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
2
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
2
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。
Objectives
2
To investigate the protein expressions of toll-like receptor 4 (TLR4) and myeloid differentiation factor 88 (MyD88) in esophageal squamous cell carcinoma (ESCC) and their relationship to the related pathological factors and the clinical significance.
Methods
2
Totally 72 ESCC specimens and paracancerous normal tissue specimens were selected. EnVision immunohistochemical staining was used to detect the protein expression levels of TLR4, MyD88, proliferating cell nucleus antigen (PCNA) and vascular endothelial growth factor (VEGF) in ESCC and in paracancerous normal tissue, and Multivariate Logistic stepwise regression analysis was used to analyze their expressions and clinicopathological factors.
Results
2
The protein expressions of TLR4, MyD88, PCNA and VEGF in ESCC were significantly higher than those in normal tissues (
P
=0.031,
P
=0.011,
P
=0.012,
P
=0.022). Multivariate Logistic stepwise regression analysis showed that the independent risk factors of TLR4, MyD88, PCNA and VEGF protein expression levels were TNM stage (
P=
0.032,
P=
0.005,
P=
0.000,
P=
0.003), rather than the genders, ages, depth of tumor invasion, or degree of differentiation. There was a positive correlation between the protein expressions of TLR4 and MyD88 in ESCC (
r
= 0.618,
P
˂0.01). The protein expressions of MyD88 and PCNA, MyD88 and VEGF were positively correlated (
r
= 0.516,
P
˂0.01;
r
= 0.708,
P
˂0.01).
Conclusions
2
TNM stage is an independent risk factor of the protein expression levels of TLR4, MyD88, PCNA and VEGF, and the expression of MyD88 protein is positively correlated with expression of TLR4, PCNA and VEGF. It indicates that TLR4-MyD88 signaling pathway can promote the occurrence and development of ESCC. The combined detection of TLR4 and MyD88 may be helpful to evaluate the malignant degree of ESCC. Therefore, TLR-MyD88 signaling pathway may be used as an important biological indicator to reflect the prognosis of ESCC and an important target of anti ESCC.
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