华西口腔医学杂志

• 基础研究 • 上一篇    下一篇

肝细胞生长因子对牙髓细胞增殖的影响

叶 玲1,凌均1,彭 栗2,谭 红2,周学东2   

  1. 1.中山大学光华口腔医院 牙体牙髓科,广东 广州510060; 2.口腔生物医学工程教育部重点实验室,四川大学,四川 成都610041
  • 收稿日期:2005-06-25 修回日期:2005-06-25 出版日期:2005-06-20 发布日期:2005-06-20
  • 通讯作者: 周学东,Tel:028-85501480
  • 作者简介:叶 玲(1975-),女,重庆人,讲师,博士

Effect of Hepatocyte Growth Factor on the Proliferation of Dental Pulp Cell

YE Ling1,LING Jun-qi1,PENG Li2,TAN Hong2,ZHOUXue-dong2   

  1. 1.Dept.ofDentisty and Endodontics,Guanghua College ofStomatology,Sun Yat-Sen University, Guangzhou,510060,China;2.Key.Laboratory of Oral Biomedical Engineering Ministry of Education,Sichuan University, Chengdu610041,China
  • Received:2005-06-25 Revised:2005-06-25 Online:2005-06-20 Published:2005-06-20

摘要: 目的 探讨肝细胞生长因子对牙髓细胞生长增殖的影响。方法 以体外培养的牙髓细胞为实验对象,以 不同浓度肝细胞生长因子作用于牙髓细胞,通过二甲基噻唑二苯基四唑溴盐比色法对细胞的增殖情况进行研究, 用流式细胞术对细胞的周期进行分析。结果 1~200μg/L的肝细胞生长因子可明显促进牙髓细胞的增殖 (P<0·05),100μg/L为最大效应浓度。100μg/L的肝细胞生长因子作用牙髓细胞3 d对其细胞周期无显著性影响, 作用5 d缩短了G1期,增加了S期比例。结论 肝细胞生长因子对牙髓细胞的增殖有促进作用。

关键词: 肝细胞生长因子, 牙髓细胞, 细胞增殖, 细胞周期

Abstract:

Objective to studythe effect of hepatocyte growth factor on the proliferation of dental pulp cell.Methods the 4th generation dental pulp cell cultured in vitro was used as target cell. 1~200μg/L hepatocyte growth factor was added in the test group while the pure cell culture DMEMas control. TheMTTmethod and flowcytometrywere applied to assay the proliferation and cell cycle of dental pulp cell of different groups.Results 1~200μg/L hepatocyte growth factor showed promoting effect to the proliferation of pulp cell since the 5th day (P<0·05). 100μg/Lwas found to be the optimal concentration. Also on the 5th day, 100μg/L hepatocyte growth factor decreased the G1 subcycle and increased the S subcycle of dental pulp cell (P<0·05). While on the 3rd day, it had no effect on the cell cycle.Conclusion hepatocyte growth factor had positive effect on the proliferation of dental pulp cell, with 100μg/L as the optimal concentration.

Key words: hepatocyte growth factor, dental pulp cell, cell proliferation, cell cycle