Relationship between expression of MMP-2 and prognosis in human laryngeal squamous cell carcinoma
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摘要: 目的: 探讨基质金属蛋白酶2(MMP-2)作为潜在的对人喉鳞状细胞癌的预后因子的作用。方法: 回顾性分析73例进行手术切除的患者肿瘤组织MMP-2的表达。免疫组织化学染色用链霉素抗生物素蛋白过氧化物酶复合法进行。术后随访观察MMP-2表达及临床病理特征,包括年龄、性别、临床分型、病理类型、淋巴结转移和预后之间的关系,均采用SPSS 19.0统计学软件分析。结果: 73例患者MMP-2的阳性表达率为57.53%(42/73)。Kaplan-Meier分析显示MMP-2表达阴性组和表达阳性组间的5年总生存率分别为76.0%和57.5%,差异有统计学意义(P<0.05)。原发灶部位、临床分期、淋巴结转移、T分级与喉癌预后相关(P分别为0.002、0.009、0.034、0.001);病理分化、年龄和性别等与喉癌预后没有统计学意义上的相关性。结论: MMP-2表达与较差的生存相关,可以考虑作为一个潜在的预后不良的标志物。Abstract: Objective: In order to evaluate the potential of matrix metalloproteinase 2(MMP-2) as a prognostic factor for human laryngeal squamous cell carcinoma (HLSCC).Method: Seventy-three surgical specimens from patients with HLSCC were reviewed retrospectively regarding MMP-2 expression via immunohistochemistry. Immunostaining was performed using a streptavidin-biotin peroxidase complex technique. The patients were followed-up till June 2014 and the relationship between MMP-2 and clinical data including age, gender, metastasis, clinical type, pathological type, lymph node metastasis and prognosis were analyzed using SPSS 19.0.Result: The positive expression rate of MMP-2 in 73 patients was 57.53%(42/73). Kaplan-Meier analysis demonstrated statistically significant difference for 5-year overall survival rate between the group with positive and negative MMP-2 expression,the 5-year overall survival rate were 76.0% and 57.5% respectively in the group with negative and positive MMP-2 expression.The site of the primary tumor, clinical stage, lymph node metastasis and T grade were related to the prognosis of HLSCC (P were 0.002, 0.009, 0.034 and 0.001 respectively), and there was no significant correlation between age, sex, pathological differentiation and prognosis of HLSCC.Conclusion: MMP-2 was related with worse overall disease survival and could be considered as a potential marker of poor prognosis.
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Key words:
- laryngeal neoplasms /
- MMP-2 /
- prognosis
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