首都医科大学学报 ›› 2002, Vol. 23 ›› Issue (3): 202-205.

• 基础研究 • 上一篇    下一篇

BDNF和NT-3对胚胎大鼠脊髓神经元生长发育的影响

刘丽敏1, 黄海霞1, 高建新2   

  1. 1. 首都医科大学生理学教研室;2. 山东大学医学院生理学教研室
  • 收稿日期:2001-12-30 修回日期:1900-01-01 出版日期:2002-07-15 发布日期:2002-07-15

Effects of BDNF and NT-3 on Growth and Development of Fetal Rats′Spinal Cord Neurons

Liu Limin1, Huang Haixia1, Gao Jianxin 2   

  1. 1. Department of Physiology, Capital University of Medical SciencesDepartment of Physiology, Medical School of Shandong University;2. Department of Physiology, Medical School of Shandong University
  • Received:2001-12-30 Revised:1900-01-01 Online:2002-07-15 Published:2002-07-15

摘要: 为研究脑源性神经营养因子(BDNF)和神经营养因子-3(NT-3)对体外培养的胚胎大鼠脊髓神经元存活和生长发育的影响,在倒置相差显微镜下观察原代培养的神经细胞存活和生长发育情况,计数并进行显微测量.实验数据均以均数±标准差表示,进行方差分析和SNK检验.结果:BDNF和NT-3均能促进培养的胚胎大鼠脊髓神经元的存活,BDNF的作用更显着.两者还促进脊髓神经元的生长发育,BDNF主要促进胞体的发育,NT-3主要促进突起的生长.提示:BDNF和NT-3对培养的胚胎大鼠脊髓神经元的存活和生长发育有促进作用,其作用具有选择性.

关键词: 脑源性神经营养因子(BDNF), 神经营养因子-3(NT-3), 脊髓, 神经元, 胚胎大鼠

Abstract: The objective was to study the effects of brain-derived neurotrophic factor(BDNF)and neurotrophin-3(NT-3)on the growth and development of cultured spinal cord neurons of fetal rats. The survival and growth condition of cultured spinal cord neurons were observed under phase-contract microscope. The cell numbers were counted. The body diameter and process were measured. All data obtained were expressed by x±s and analyzed by variance analysis and SNK test. Both BDNF and NT-3 can increase survival rate of neurons in vitro. Effect of BDNF is more significant than NT-3. BDNF can enhance the development of cell bodies and NT-3 can promote the outgrowth of processes. BDNF and NT-3 have specific effects on growth and development of cultured spinal cord neurons.

Key words: BDNF, NT-3, spinal cord, neurons, embryonic rat

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