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山东大学学报(医学版) ›› 2014, Vol. 52 ›› Issue (2): 20-24.doi: 10.6040/j.issn.1671-7554.0.2013.699

• 基础医学 • 上一篇    下一篇

SU11274对人结肠癌LOVO细胞裸鼠移植瘤的抑制作用

孟宪鹏1,刘杰2,苏娅3,邴雪4,高卫2   

  1. 1.山东省东平县人民医院内三科, 山东 东平 271500;
     2.山东大学附属济南市中心医院肿瘤科, 济南 250013;
    3.复旦大学上海医学院临床医学系, 上海 200032; 4.潍坊医学院研究生部, 山东 潍坊 261053
  • 收稿日期:2013-11-20 出版日期:2014-02-10 发布日期:2014-02-10
  • 通讯作者: 高卫, E-mail:gjygw-1994@163.com
  • 基金资助:

    济南市科技发展计划(201003115)

Inhibitive effect of SU11274 on human colon cancer (LOVO cell line)transplanted in nude mice

MENG Xian-peng1, LIU Jie2, SU Ya3, BING Xue4, GAO Wei2   

  1. 1. the 3rd Department of Medical Oncology, People′s Hospital of Dongping County, Dongping 271500, Shandong, China;
    2. Department of Oncology, Jinan Central Hospital Affiliated to Shandong University, Jinan 250013, China;
    3. M. D. Program, Shanghai Medical College of Fudan University, Shanghai 200032, China;
    4. Graduate Department of Weifang Medical College, Weifang 261053, Shandong, China
  • Received:2013-11-20 Online:2014-02-10 Published:2014-02-10

摘要:

目的  观察小分子酪氨酸激酶抑制剂SU11274对人结肠癌LOVO细胞裸鼠移植瘤的抑制作用。方法   建立人结肠癌LOVO细胞裸鼠移植瘤模型,18只裸鼠随机分成对照组、大剂量组和小剂量组,每组6只。采用腹腔注射,对照组给予灭菌生理盐水,大剂量组和小剂量组分别给予0.09mg/kg、0.0225mg/kg剂量的SU11274(SU11274溶解于1% DMSO中),观察各组裸鼠肿瘤的生长情况,称体质量并计算抑瘤率。免疫组化法检测c-Met的表达,并进行HE染色。结果   SU11274 大剂量组肿瘤体积较对照组明显减小,差异有统计学意义(P<0.05),SU11274小剂量组肿瘤体积较对照组差异无统计学意义(P>0.05);SU11274大剂量组对人结肠癌LOVO细胞裸鼠移植瘤生长具有明显的抑制作用,抑瘤率为56.25%,SU11274 小剂量组裸鼠肿瘤生长的抑制作用不明显,抑瘤率为25.00%;SU11274大剂量组c-Met阳性表达率为(45.83±8.61)%,明显低于对照组(66.67±16.63)%(P<0.05),SU11274小剂量组中c-Met阳性表达率为(63.33±8.16)%,与对照组相比差异无统计学意义(P>0.05)。结论    SU11274可显著抑制人结肠癌裸鼠移植瘤的生长。

关键词: 结肠癌, 抑瘤率, SU11274, 裸鼠, 移植瘤, c-Met

Abstract:

Objective   To investigate the inhibitive effect of tyrosine kinase inhibitor SU11274 on the growth of human colon cancer (LOVO cell line) using a nude mice transplanted model. Methods  LOVO cancer cells were xenografted into 18 nude mice, which were then randomly divided into 3 groups: control group, high dose SU11274 treatment group (0.09mg/kg) and low dose SU11274 treatment group (0.0225mg/kg). Tumor growth was observed, the mice were weighed, and the tumor inhibition rate was calculated. The expression of c-Met was detected with immunohistochemical method, and HE staining was conducted. Results  The mean tumor volume in the high dose SU11274 treatment group was significantly lower than that in the control group (P<0.05). The tumor inhibition rate of the high dose SU11274 treatment group was much higher than that of the control group (56.25% vs 25.00%, P<0.05). Furthermore, the positive rate of c-Met expression was (45.83±8.61) % in the high dose SU11274 treatment group, and (66.67±16.63) % in the control group, with significant difference between the two groups (P<0.05). Conclusion  SU11274 could inhibit the human colon cancer cell transplanted tumor in nude mice.

Key words: Transplantation model of carcinoma, c-Met, SU11274, Colon cancer, Nude mice, Tumor inhibition rate

中图分类号: 

  • R735.3+5
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