CXCR4表达与三阴性乳腺癌的相关性研究
2020-09-01唐超莉
唐超莉


[摘要]目的 探讨趋化因子受体4(CXCR4)在三阴性乳腺癌中的表达及与复发转移预后的关系。方法 收集我院2015年5月~2018年1月的160例三阴性乳腺癌患者的组织,利用免疫组化法对CXCR4的表达进行分析,对其临床病理特征及CXCR4与无疾病进展时间、总生存时间的关系进行分析。结果 三阴性乳腺癌患者的年龄、腋窝淋巴结、CXCR4组间无病生存期(DFS)比较,差异有统计学意义(P<0.001)。年龄≤45岁、腋窝淋巴结阳性、CXCR4阳性有较短的DFS。CXCR4阳性较CXCR4阴性有更短的总生存期(OS)。结论 CXCR4过表达不仅是肿瘤侵袭性的标志,也可能是三阴性乳腺癌患者预后不良的标志。
[关键词]三阴性乳腺癌;趋化因子受体4;无疾病进展期;总生存期
[中图分类号] R737.9 [文献标识码] A [文章编号] 1674-4721(2020)7(a)-0118-04
Correlation study between CXCR4 expression and triple negative breast cancer
TANG Chao-li
Department of Oncology, Chongzuo People′s Hospital, Guangxi Zhuang Autonomous Region, Chongzuo 532200, China
[Abstract] Objective To investigate the expression of the chemokine receptor 4 (CXCR4) in triple negative breast cancer and its relationship with the prognosis of recurrence and metastasis. Methods A total of 160 cases of triple negative breast cancer from May 2015 to January 2018 in our hospital were collected, immunohistochemistry was used to analyze the expression of CXCR4. The clinicopathological features and the relationship between CXCR4, time of disease progression and total survival were analyzed. Results There were significant differences in the age, axillary lymph nodes and disease-free survival (DFS) of CXCR4 group (P<0.001). There were shorter DFS with age ≤ 45 years old, axillary lymph node positive and CXCR4 positive. The overall survival (OS) of CXCR4 positive patients was shorter than that of CXCR4 negative patients. Conclusion CXCR4 overexpression is not only a marker of tumor invasiveness, but also a marker of poor prognosis in triple negative breast cancer patients.
[Key words] Triple negative breast cancer; Chemokine receptor 4; Disease free survival; Overall survival
三阴性乳腺癌是指缺乏雌激素受体(ER)、孕激素受体(PR)和人类表皮生长因子受体2(HER2)的表达,占乳腺癌总数的15%~20%[1]。三阴性乳腺癌即使早期治疗复发的可能性也较高,尤其是远处转移,这种表型的转移进展通常以早期复发和肝、肺和中枢神经系统转移为主[2]。因此,找寻三阴性乳腺癌复发转移的靶点尤为重要。趋化因子受体4(chemokine receptor 4,CXCR4)是一种进化高度保守的G蛋白偶联受体,表达于外周血单核细胞、B细胞和幼稚T细胞。其配体CXCL12是一种稳态趋化因子,能够控制造血细胞的运输、黏附、免疫监视和发育[3]。CXCR4在三阴性乳腺癌中的表达鲜少报道。本研究对三阴性乳腺癌组中的CXCR4基因表达水平进行分析,旨在探讨CXCR4表达与患者临床病理特征、疾病复发转移及预后的关系。
1资料与方法
1.1一般资料
收集我院2015年5月~2018年1月收治的160例三阴性乳腺癌患者,年龄21~75岁,中位年龄51.6岁。160例三阴性乳腺癌病例為治疗过程中或治疗完成后发生首次复发转移的三阴乳腺癌患者,复发转移的部位包括胸壁(52例)、脑(36例)、肺(89例)、肝(103例)、骨转移(78例)、其他转移(41例),其他单个部位转移62例,多个部位转移98例。……
