CD147和PTEN在非小细胞肺癌中的表达及与临床病理因素的相关性分析

目的：分析细胞外基质金属蛋白酶诱导因子（CD147）和第10号染色体同源缺失性磷酸酶‐张力蛋白（PTEN）在非小细胞肺癌（NSCLC ）中的表达，并探讨两者的相关性及其蛋白表达水平与多个临床病理因素的关系。方法采用免疫组织化学链霉素标记生物素过氧化物酶法（SP法）检测64例NSCLC患者组织中CD147和PTEN的表达情况，另选取10例患者的癌旁正常肺组织作为对照，并分析CD147和PT EN表达与临床病理参数的关系。结果 CD147在NSCLC组织中的表达率（75．00％）明显高于癌旁正常肺组织（0．00％），差异有统计学意义（ P＜0．05）。CD147蛋白表达与肺癌组织分化程度、有无淋巴结转移及TNM分期相关（P＜0．05）。PTEN在肺癌组织中的表达率（32．81％）明显低于癌旁正常肺组织（80．00％），差异有统计学意义（P＜0．05）。PTEN表达与TNM分期相关（P＜0．05）。Spearman相关分析结果显示NSCLC组织中CD147和 PTEN表达呈明显负相关（r＝－0．442，P＜0．05）。结论 CD147和PTEN异常表达在NSCLC的发生、发展过程中起着重要作用。

The expression of CD147 and PTEN in non small cell lung cancer and their correlation with clinical pathological factors

Objective To analyze the expression of extracellular matrix metalloproteinase inducer (CD147)and phosphatase and tensin homolog deleted on chromosome ten(PTEN)in non small cell lung cancer (NSCLC) ,and to explore the correlations be‐tween expressions of CD147 and PTEN and those with clinicopathological factors .Methods The expressions of CD147 and PTEN proteins in tissues of 64 cases of patients with NSCLC and 10 cases of normal paracancerous tissues were determined by using im‐munohistochemical SP method .The correlations between expressions of CD147 and PTEN with clinicopathological factors were ana‐lysed ,as well .Results The expression of CD147 in NSCLC tissues(75 .00% )was significantly higher than that in paracancerous tissues(0 .00% ,P<0 .05) .The expression of CD147 was strongly associated with degrees of differentiation ,lymph node metastasis and TNM stage(P<0 .05) .The expression of PTEN in NSCLC tissues (32 .81% )was significantly lower than that in paracancerous tissues(80 .00% ,P<0 .05) .Expression of PTEN was strongly associated with TNM stage (P<0 .05) .Spearman correlation analy‐sis shown that CD147 expression was negatively correlated with PTEN expression (r= -0 .442 ,P<0 .05) .Conclusion The abnor‐mal expression of CD147 and PTEN might play an important role in the malignant progression of NSCLC .