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网络首发:2012-11-20,
纸质出版:2012
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埃兹蛋白与直肠癌发生和局部复发的关系及意义[J]. 中山大学学报(医学科学版), 2012,33(6).
Ezrin Expression Predicts Carcinogenesis and Local Recurrence of Rectal Cancer[J]. Journal of Sun Yat-sen University (Medical Sciences), 2012, 33(6).
埃兹蛋白与直肠癌发生和局部复发的关系及意义[J]. 中山大学学报(医学科学版), 2012,33(6). DOI:
Ezrin Expression Predicts Carcinogenesis and Local Recurrence of Rectal Cancer[J]. Journal of Sun Yat-sen University (Medical Sciences), 2012, 33(6). DOI:
【目的】 探讨埃兹蛋白(ezrin)的表达在直肠癌发生和局部复发中的关系及意义。【方法】 收集中山大学附属第六医院和中山大学附属第一医院2002年8月至2009年2月间术后复发的直肠癌石蜡标本148例、癌旁正常组织30例和随访5年内未见肿瘤复发的直肠癌组织30例,应用免疫组化的方法检测埃兹蛋白的在癌组织及癌旁组织中的表达差异,分析埃兹蛋白与直肠癌发生和局部复发的关系。【结果】 埃兹蛋白在肿瘤中的高表达率为72.3%(107/148),而在癌旁组织中的高表达率仅为20%(6/30),两者的差异有统计学意义(P < 0.001);埃兹蛋白在非局部复发组的直肠癌原发灶组织中的高表达率为53.3%(16/30),而其在局部复发组直肠癌原发灶组织中的高表达率为72.3%(107/148),两者的差异有统计学意义(P = 0.04);在局部复发组中,埃兹蛋白的表达与年龄、性别、肿瘤的大小、分化程度、距肛缘的距离、TNM分期等临床病理特征均无关(P > 0.05);在局部复发直肠癌中,埃兹蛋白低表达组的中位复发时间为2.0年,而埃兹蛋白高表达组的中位复发时间为1.2年,两者的差异有统计学意义(P < 0.001)。【结论】 埃兹蛋白与直肠癌的发生和局部复发有关,可能是个促进直肠癌发生和局部复发的因素之一。
【Objective】 To investigate the expression of ezrin in primary rectal cancer and determine the association between ezrin expression and carcinogenesis and local recurrence of rectal cancer. 【Methods】 Immunohistochemical expression of ezrin was analyzed in 148 primary rectal cancers from patients who developed local recurrence after radical resection, 30 normal intestinal tissues and 30 primary rectal cancers from patients without local recurrence within 5 years after surgery. And the relationship between ezrin expression and carcinogenesis and local recurrence of rectal cancer was analyzed. 【Results】 The high expression rate of ezrin in primary rectal cancer and normal intestinal tissue were 72.3% (107/148) and 20.0% (6/30) (P < 0.001). The high expression rate of ezrin in primary rectal cancer with local recurrence and without local recurrence were 53.3% (16/30) and 72.3% (107/148) (P = 0.04). The correlation was not found between ezrin expression and clinicopathological features of patients developing local recurrence including age, sex, tumor size, histological differentiation, tumor height, and TNM stage. And the time to develop local recurrence was shorter in patient with high ezrin expression than low ezrin expression (2.0 years vs 1.2 years, P < 0.001). 【Conclusion】 Ezrin is associated with carcinogenesis and local recurrence of rectal cancer, and patients with high expression of ezrin may need further individualize therapy after radical resection because of the higher risk of local recurrence.
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