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Expression of Nogo mRNA at the different developing stages of rats
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF NEUROMEDICINE
- Issue:
- 5
- DOI:
- 10.3760/cma.j.issn.1671-8925.2005.05.004
- Key Word:
- Nogo;大鼠;中枢神经系统;生长和胚胎发育
Abstract： 目的研究神经再生抑制性蛋白Nogo在不同发育阶段大鼠中枢神经系统(CNS)中的表达.方法采用RT-PCR方法半定量分析不同发育阶段大鼠(胚胎期14d～成年,共7个时间点)脊髓中Nogo mRNA的表达变化.结果 Nogo-A mRNA和Nogo-B mRNA在胚胎期14 d就可以检测到,在所检查的时间点内,Nogo-A mRNA和Nogo-B mRNA的扩增表现出很恒定的水平,其表达并未有任何特定的时间模式;Nogo-CmRNA的表达比前两者稍晚,在胚胎期21 d检测到. 结论 Nogo在神经系统发育期就已存在,说明Nogo-A分子与髓鞘的成熟化进程关系可能并不很密切,提示Nogo分子在发育阶段具有不同于神经再生抑制作用的其他功能.
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