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机械刺激对肝癌细胞形态及增殖周期的影响
引用本文:黄岂平,王红兵,卢晓,秦建,王远亮,蔡绍皙.机械刺激对肝癌细胞形态及增殖周期的影响[J].中国生物医学工程学报,2004,23(1):37-39.
作者姓名:黄岂平  王红兵  卢晓  秦建  王远亮  蔡绍皙
作者单位:重庆大学生物工程学院,生物力学与组织工程教育部重点实验室,重庆,400044
基金项目:国家自然科学基金重点项目“应力 生长关系及其应用”( 1973 2 0 0 3 )
摘    要:本研究采用“四点弯曲梁加载装置” ,对培养的人肝癌细胞株SMMC 772 1施以拉伸刺激 ,通过显微计算机图像处理系统了解其形态变化 ,流式细胞仪了解其增殖行为 ,结果发现 (1)加载 2 4h后SMMC 772 1G2 -M期 8.6 3% ,对照组 15 .92 %。 (2 )加载 72h后SMMC 772 1铺展投影面积缩小。 (3)加载 2 4h后SMMC 772 1分裂指数 0 .4 6 ,对照组 0 .5 5。加载可部分抑制SMMC 772 1的生长。

关 键 词:SMMC-7721  机械拉伸  生长抑制
文章编号:0258-8021(2004)-01-37-03
修稿时间:2001年5月15日

THE EFFECT OF MECHANICAL STRETCH ON THE GROWTH AND MORPHOLOGY OF HEPATOCELLULAR CARCINOMA CELL
HUANG Qi-ping,WANG Hong-bing,LU Xiao,QIN Jian,WANG Yuan-liang,CAI Shao-xi.THE EFFECT OF MECHANICAL STRETCH ON THE GROWTH AND MORPHOLOGY OF HEPATOCELLULAR CARCINOMA CELL[J].Chinese Journal of Biomedical Engineering,2004,23(1):37-39.
Authors:HUANG Qi-ping  WANG Hong-bing  LU Xiao  QIN Jian  WANG Yuan-liang  CAI Shao-xi
Abstract:In this work, the four-point supporting bending system was applied to stretch the SMMC-7721 hepatocellular carcinoma cells. The proliferation of the cells was determined by FCM, and the morphology was analyzed by computer-image-processing. The results show that (1) the ercentage of G 2-M phase of SMMC-7721 is reduced after 24h (8.63% in 24h stretched group and 15.92% in control); (2) the projected area of SMMC-7721 is reduced after 72h; (3) the proliferation of SMMC-7721 is inhibited by the mechanical stretch (the division index of SMMC-7721 in 24h streched group is 0.46, in control group is 0.55).
Keywords:SMMC-7721  Proliferation inhibition  Stretch
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