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中华妇幼临床医学杂志(电子版) ›› 2014, Vol. 10 ›› Issue (02) : 204 -209. doi: 10.3877/cma.j.issn.1673-5250.2014.02.017

所属专题: 文献

论著

宫颈鳞癌中基质细胞衍生因子-1、CXC趋化因子受体4、基质金属蛋白酶-2和Ki-67的表达及意义
马会清1,*,*(), 杨秀凤1, 程海燕1   
  1. 1. 266042,青岛大学医学院第二附属医院妇科
  • 收稿日期:2013-10-05 修回日期:2014-02-06 出版日期:2014-04-01
  • 通信作者: 马会清

Expression and Significance of Stromal Cell Derived Factor-1, Chemokine CXC Motif Receptor-4, Matrix Metalloproteinase-2 and Ki-67 in Cervical Squamous Cancer

Huiqing Ma1(), Xiufeng Yang1, Haiyan Cheng1   

  1. 1. Department of Gynecology, Second Affiliated Hospital, Medical School of Qingdao University, Qingdao 266042, Shandong Province, China
  • Received:2013-10-05 Revised:2014-02-06 Published:2014-04-01
  • Corresponding author: Huiqing Ma
  • About author:
    (Corresponding author: Ma Huiqing, Email: )
引用本文:

马会清, 杨秀凤, 程海燕. 宫颈鳞癌中基质细胞衍生因子-1、CXC趋化因子受体4、基质金属蛋白酶-2和Ki-67的表达及意义[J/OL]. 中华妇幼临床医学杂志(电子版), 2014, 10(02): 204-209.

Huiqing Ma, Xiufeng Yang, Haiyan Cheng. Expression and Significance of Stromal Cell Derived Factor-1, Chemokine CXC Motif Receptor-4, Matrix Metalloproteinase-2 and Ki-67 in Cervical Squamous Cancer[J/OL]. Chinese Journal of Obstetrics & Gynecology and Pediatrics(Electronic Edition), 2014, 10(02): 204-209.

目的

探讨基质细胞衍生因子(SDF)-1、CXC趋化因子受体(CXCR) 4、基质金属蛋白酶(MMP)-2和Ki-67在宫颈鳞癌中的表达,以及SDF-1对MMP-2和Ki-67表达的影响。

方法

选取2010年1月至2012年9月在青岛大学医学院第二附属医院接受宫颈癌手术(初治)的60例宫颈癌患者的60例切除癌组织标本(术后经组织病理学检查证实均为宫颈鳞癌)纳入研究组,选取同期在该院因子宫肌瘤行子宫切除术的60例患者的正常宫颈组织标本60例纳入对照组。两组患者的年龄等一般临床资料比较,差异无统计学意义(P>0.05)(本研究遵循的程序符合青岛大学医学院第二附属医院人体试验委员会制定的伦理学标准,得到该委员会批准,分组征得受试对象的知情同意,并与之签署临床研究知情同意书)。采用免疫组化SP法检测SDF-1、CXCR4、MMP-2和Ki-67在两组标本中的表达,并进行相关性分析。

结果

SDF-1、CXCR4、MMP-2和Ki-67在研究组标本中阳性表达率分别为90.00%,68.33%,70.00%,86.67%,显著高于对照组的40.00% ,8.33%,13.33%,1.67%,且差异均有统计学意义(χ2 =9.63, 7.04,4.00, 4.00;P<0.05);在研究组中,SDF-1、CXCR4、MMP-2和Ki-67的表达水平在淋巴结转移呈阳性标本中的表达均显著高于淋巴结转移呈阴性者(χ2 =16.692,P<0.001;χ2 =8.496,P<0.01;χ2 =4.762,P< 0.001;χ2=6.125 ,P<0.05);SDF-1的表达水平与CXCR4、MMP-2和Ki-67的表达水平均呈正相关(r= 0.586,P=0.002;r=0.419,P=0.025;r=0.645,P<0.001)。

结论

SDF-1、CXCR4、MMP-2和Ki-67的表达水平与宫颈鳞癌的发生、侵袭及淋巴结转移密切相关,或许可作为预测宫颈鳞癌淋巴结转移及预后的指标。SDF-1 /CXCR4轴可通过加强肿瘤细胞MMP-2和Ki-67分泌的途径促进肿瘤的浸润和转移,提示SDF-1可能是药物治疗该病的重要靶点。

Objective

To study the expression of stromal cell derived factor (SDF)-1, chemokine CXC motif receptor(CXCR)-4, matrix metalloproteinase (MMP)-2 and Ki-67 and their association with clinical pathological features in human cervical squamous cancer tissues.

Methods

From January 2010 to September 2012, a total of 60 cases samples with squamous carcinoma of the cervix which were confirmed by histopathology were enrolled into this study (study group) . At the same time, another 60 cases samples with benign uterine diseases were included into control group. There had no significant differences among age and other clinical information between two groups (P>0.05) . The expression of SDF-1, CXCR4, MMP-2 and Ki-67 were detected between two groups by immunohistochemistry and the correlation analysis was conducted. The study protocol was approved by the Ethical Review Board of Investigation in Second Affiliated Hospital, Medical School of Qingdao University. Informed consent was obtained from all participates .

Results

The positive expression rates of SDF-1, CXCR4, MMP-2 and Ki-67 were 90.00%, 68.33 %, 70.00% and 86.67% in study group, 40.00%, 8.33%, 13.33% and 1.67% in control group, respectively. Significant differences were observed between two groups (χ2 =9.63, 7.04, 4.00, 4.00; P< 0.05) . Expressions of SDF-1, CXCR4, MMP-2 and Ki-67 in cervical cancer tissues with pelvic lymph nodes metastasis were higher than those in cervical cancer tissues without pelvic lymph node metastasis, which were closely associated with pelvic lymph node metastasis (χ2 =16.692, P<0.001; χ2=8.496, P<0.01; χ2 =4.762, P<0.001; χ2 =6.125, P<0.05) . The expression of SDF-1 was significantly correlated with CXCR4, MMP-2 and Ki-67 (r=0.586, P =0.002; r =0.419, P =0.025; r =0.645, P <0.001) .

Conclusions

Expressions of SDF-1, CXCR4, MMP-2 and Ki-67 of cervical squamous cancer tissues are involved in tumor genesis and associated with invasion and lymphnode metastasis of cervical cancer, which can serve as biomarkers for diagnosis and prediction of lymph node metastasis. Furthermore, the expression of SDF-1/ CXCR4 in cervical cancer may promote the tumor invasion and metastasis through the secretion of MMP-2 and Ki-67, suggesting that SDF-1 may be an important target for drug therapy.

图1 SDF-1在宫颈癌组织中的表达(10 × 10)
Figure 1 Positive expression of SDF-1 in cervical squamous cancer (10 × 10)
图2 CXCR4在宫颈癌组织中的表达(10 × 10)
Figure 2 Positive expression of CXCR4 in cervical squamous cancer (10 × 10)
表1 SDF-1在宫颈鳞癌组织和正常宫颈组织中的表达[n(%)]
Table 1 Expression of SDF-1 in cervical squamous cancer and normal cervix tissue [n(%)]
表2 CXCR4在宫颈鳞癌组织和正常宫颈组织中的表达[n(%)]
Table 2 Expression of CXCR4 in cervical squamous cancer and normal cervix tissue [n(%)]
表3 SDF-1、CXCR4的表达水平与宫颈鳞癌的临床病理因素的关系[n (%)]
Table 3 Relationship between clinicopathological features and expression levels of SDF-1,CXCR4 in cervical squamous cancer[n(%)]
临床病理参数 n SDF-1表达 χ2 P CXCR4表达 χ2 P
(-) (+ ) (+ + ) (+ + + ) (-) (+ ) (+ + ) (+ + + )
组织学分级                          
  19 3(15.79) 2(10.53) 5(26.32) 9(47.37) 0.509 >0.05 5(26.32) 3(15.79) 5(26.32) 6(31.58) 0.201 >0.05
  23 1 (4.35) 5(21.74) 8(34.72) 9(39.13)     8(34.78) 2 (8.70) 7(30.43) 6(26.09)    
  18 2(11.11) 4(22.22) 6(33.33) 6(33.33)     6(33.33) 1 (5.06) 7(38.89) 4(22.22)    
肿瘤直径(cm)                          
  <2 27 3(11.11) 4(14.81) 9(33.33) 11(40.74) -0.988 >0.05 12(44.44) 1 (3.70) 9(33.33) 5(18.52) -118.030 >0.05
  2~4 22 1 (4.55) 5(22.73) 6(27.27) 10(45.45)     5(22.73) 3(13.64) 7(31.82) 7(31.82)    
  >4 11 2(18.18) 2(18.18) 4(36.36) 3(27.27)     2(18.18) 2(18.18) 3(27.27) 4(36.36)    
临床分期                          
  A2 16 1 (6.25) 2(12.50) 6(37.50) 7(43.75) 5.582 >0.05 5(31.25) 1 (6.25) 5(31.25) 5(31.25) -32.003 >0.05
  B 30 3(10.00) 4(13.33) 8(26.67) 15(50.00)     10(33.33) 3(10.00) 9(30.00) 8(26.67)    
  A 14 2(14.29) 5(35.71) 5(35.71) 2(14.29)     4(28.57) 2(14.29) 5(35.71) 3(21.43)    
淋巴结转移                          
  31 2 (6.45) 3 (9.68) 9(29.03) 17(54.84) 16.692 <0.001 12(38.71) 1 (3.23) 9(29.03) 5(16.13) 8.496 <0.01
  29 5(17.24) 9(31.03) 11(37.93) 4(13.79)     5(17.24) 3(10.34) 7(24.14) 7(24.14)    
图3 MMP-2在宫颈癌组织中的表达(10 × 10)
Figure 3 Positive expression of MMP-2 in cervical squamous cancer (10 × 10)
图4 Ki-67在宫颈癌组织中的表达(10 × 10)
Figure 4 Positive expression of Ki67 in cervical squamous cancer (10 × 10)
表4 MMP-2、Ki-67在宫颈鳞癌组织和正常宫颈组织中的表达[n(%)]
Table 4 Expression of MMP-2, Ki-67 in cervical squamous cancer and normal cervix tissue [n(%)]
表5 MMP-2、Ki-67的表达水平与宫颈鳞癌的临床病理特征的关系[n(%)]
Table 5 Relationship between clinicopathological features and expression levels of MMP-2, Ki-67 in cervical squamous cancer [n(%)]
表6 宫颈鳞癌组织中SDF-1表达水平与CXCR4、MMP-2及Ki-67表达水平的相关性比较(n
Table 6 Correlation between the expression levels of SDF-1 and CXCR4, MMP-2, Ki-67 in cervical squamous cancer tissues (n
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