细胞核因子-κBp65、环氧合酶-2和基质金属蛋白酶-9在下咽癌中表达的临床意义

目的 研究细胞核因子-κB p65(NF-κB p65)、环氧合酶-2(COX-2)和基质金属蛋白酶-9(MMP-9)在下咽癌中的表达及内在相关性.方法 应用流式细胞术(FCM)对原发下咽癌新鲜癌组织及相应癌旁组织各48例,进行NF-κB p65、COX-2和MMP-9表达的蛋白定量分析,以荧光指数(FI)表示三种蛋白表达的相对含量.结果 NF-κB p65、COX-2和MMP-9在下咽癌组织中的表达量分别为1.16、1.32和1.26,均明显高于癌旁组织的1.03、1.04和1.04.三种蛋白在有淋巴结转移组中的表达高于无淋巴结转移组(P＜0.05).下咽癌组织中NF-κB p65和COX-2的表达呈正相关(P＜0.05).结论 NF-κB p65、COX-2和MMP-9的高表达与下咽癌的发生、发展及淋巴结转移密切相关,NF-κB p65可能促进COX-2的表达.

Expression of NF-κB,COX-2 and the MMP-9 in hypopharyngeal carcinoma

Objective To study the quantitative expression and the correlation of the NF-κB p65,COX-2 and MMP-9 Drotein in the hypopharyngeal carcinoma tissue.Methods FCM method was performed to detect the quantitative expression of the NF-κB p65,COX-2 and MMP-9 protein in 48 cases of hypopharyngeal carcinoma fresh sample and 48 cases of para-carcinoma tissue.Fluorescence Index was deftned as the quantitative expression index of the three proteins.Results The quantitative expression of the NF-κB p65,COX-2 and MMP-9 in hypopharyngeal carcinoma tissues(1.16,1.32 and 1.26) was remarkably higher than in para-carcinoma(1.03,1.04 and 1.04).The quantitative expression of three proteins in metastasis group was obviously higher than in non-metastasis group.The expression of NF-κB p65 and COX-2 protein in hypopharvngeal carcinoma tissues was positively related (P＜0.05). Conclusion The high expression of NF-κB p65 and COX-2 is closely related in hypopharyngeal carcinoma tissues.NF-κB p65 might improve the expression of COX-2.