中国组织工程研究 ›› 2015, Vol. 19 ›› Issue (24): 3865-3869.doi: 10.3969/j.issn.2095-4344.2015.24.018

• 组织构建基础实验 basic experiments in tissue construction • 上一篇    下一篇

脂多糖激活基质金属蛋白酶表达诱导MC3T3-E1细胞的增殖

闫广华1,秦  花2   

  1. 成都医学院第一附属医院,1医务科,2内分泌代谢科,四川省成都市  610500
  • 出版日期:2015-06-11 发布日期:2015-06-11
  • 通讯作者: 秦花,主管护师,成都医学院第一附属医院内分泌代谢科,四川省成都市 610500
  • 作者简介:闫广华,男,1977年生,河北省衡水市人,汉族,2012年四川大学毕业,硕士,讲师,主要从事临床骨外科脊柱创伤研究。

Activated expression of matrix metalloproteinase is involved in the proliferation of MC3T3-E1 cells induced by lipopolysaccharide 

Yan Guang-hua1, Qin Hua2   

  1. 1Department of Health Services, First Affiliated Hospital, Chengdu Medical College, Chengdu 610500, Sichuan Province, China; 
    2Department of Endocrinology and Metabolism, First Affiliated Hospital, Chengdu Medical College, Chengdu 610500, Sichuan Province, China
  • Online:2015-06-11 Published:2015-06-11
  • Contact: Qin Hua, Nurse-in-charge, Department of Endocrinology and Metabolism, First Affiliated Hospital, chengdu Medical College, Chengdu 610500, Sichuan Province, China
  • About author:Yan Guang-hua, Master, Lecturer, Department of Health Services, First Affiliated Hospital, Chengdu Medical College, Chengdu 610500, Sichuan Province, China

摘要:

背景:基质金属蛋白酶及其抑制剂是一种含Zn+的蛋白水解酶,参与了多种组织的细胞外基质降解与组织重塑过程。
目的:观察基质金属蛋白酶在脂多糖诱导的MC3T3-E1细胞增殖中的参与作用。
方法:MC3T3-E1细胞随机分为4组:对照组、脂多糖低剂量组(1 μmol/L)、脂多糖中剂量组(10 μmol/L)和脂多糖高剂量组(100 μmol/L)。分析各组细胞的细胞增殖率,并检测基质金属蛋白酶2,3,9及基质金属蛋白酶组织抑制因子1,2的表达。
结果与结论:脂多糖处理MC3T3细胞后细胞的增殖率明显增强,且具有时间依赖性和浓度依赖性,且处理后基质金属蛋白酶及其抑制剂的表达均明显增强,差异有显著性意义。结果提示,基质金属蛋白酶表达的增强参与了脂多糖诱导的MC3T3-E1细胞增殖过程。

  中国组织工程研究杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松组织工程

关键词: 组织构建, 骨细胞, 脂多糖, 基质金属蛋白酶, 抑制剂, 增殖, 成骨细胞

Abstract:

BACKGROUND: Matrix metalloproteinases and their inhibitors are proteolytic enzymes contaning Zn+, and involved in extracellular matrix degradation and tissue remodeling of a variety of tissues.
OBJECTIVE: To observe the effects of matrix metalloproteinases in the proliferation of MC3T3-E1 cells induced by lipopolysaccharide. 
METHODS: MC3T3-E1 cell line was divided into four groups randomly: control group, low-dose lipopolysaccharide group (1 μmol/L), moderate-dose lipopolysaccharide group (10 μmol/L), and high-dose lipopolysaccharide group (100 μmol/L). The proliferation rate in each group was analyzed. Matrix metalloproteinase 2, 3, 9 and matrix metalloproteinase inhibitor 1 and 2 expressions were detected.
RESULTS AND CONCLUSION: The proliferation rate was increased greatly after medication of lipopolysaccharide in time-dependent and concentration-dependent manners. Moreover, the expressions of matrix metalloproteinases and their inhibitors were apparently enhanced, and showed significant differences. Results indicate that the enhanced expressions of matrix metalloproteinases participated in the proliferation of MC3T3-E1 cells induced by lipopolysaccharide.

 中国组织工程研究杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松组织工程

Key words: Lipopolysaccharides, Matrix Metalloproteinases, Osteoblasts

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