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rhaFGF改构体对SH-SY5Y细胞兴奋性氨基酸毒性损伤的作用
引用本文:曹定国,周汝滨,廖霞,陈小萍,李校堃. rhaFGF改构体对SH-SY5Y细胞兴奋性氨基酸毒性损伤的作用[J]. 江西医学院学报, 2007, 47(1): 18-21
作者姓名:曹定国  周汝滨  廖霞  陈小萍  李校堃
作者单位:[1]广东医学院遗传学研究室,广东湛江524023 [2]暨南大学药学院,广州510632
基金项目:广东医学院校科研和教改项目
摘    要:
目的 探讨rhaFGF的改构体对谷氨酸损伤神经细胞的干预作用. 方法 制备SH-SY5Y损伤模型,将实验分为空白组、Glu组、rhaFGF组和rhaFGF改构体组,利用流式细胞仪分析rhaFGF改构体对正常培养的神经细胞细胞周期的影响:形态观察以及MTT法检测各实验组的细胞活力、LDH法检测乳酸脱氢酶的释放率、NO法检测NO的产生. 结果 rhaFGF改构体组细胞S期的DNA含量为25.98%,比rhaFGF组(46.31%)显著降低(P<0.01),与空白组没有差异(P>0.05);与损伤组比较,rhaFGF改构体组(3个浓度)细胞OD值降低,LDH的释放减少,NO的过量产生减少,且均表现出一定的量效关系. 结论 rhaFGF改构体具有相对低的促分裂活性,仍能拮抗Glu毒性导致的细胞损伤,促进神经细胞生存,对神经细胞具有保护作用.

关 键 词:酸性成纤维细胞生长因子  SH-SY5Y细胞  兴奋性氨基酸  rhaFGF  改构  细胞生存  兴奋性氨基酸  毒性损伤  作用  Excitatory Amino Acids  Impaired  Modified  保护  神经  细胞损伤  拮抗  促分裂活性  量效关系  表现  浓度  比较  差异  含量
文章编号:23976396
修稿时间:2006-12-26

The Effect of Modified rhaFGF to SH-SY5Y Impaired by Excitatory Amino Acids
CAO Ding-guo,ZHOU Ru-bin,LIAO Xia,CHEN Xiao-ping,LI Xiao-kun. The Effect of Modified rhaFGF to SH-SY5Y Impaired by Excitatory Amino Acids[J]. Acta Academiae Medicinae Jiangxi, 2007, 47(1): 18-21
Authors:CAO Ding-guo  ZHOU Ru-bin  LIAO Xia  CHEN Xiao-ping  LI Xiao-kun
Affiliation:1. Medical Genetics Department ,Guangdong Medical College , Zhanjiang 524023,China; 2. Phamarceutical College, J inan Univercity , Guangzhou 510632, China
Abstract:
Objective To investigate the protective effect of Modified rhaFGF on SH-SY5Y cell impaired by excitatory anmino acids. Methods The cellular damage model in vitro was established by citatory amino acids. The effect of Modified rhaFGF on DNA synthesis was observed by Flowcytometer and the protective effect of Modified rhaFGF by different methods involved MTT, LDH and NO. Results Modified rhaFGF showed its less than mitogenic activities, and improved the survival rate of SH-SYSY and inhibited the damage of excitatory amino acids. Conclusion Modified rhaFGF could improve the survival rate of cell and protect neural cells.
Keywords:aFGF   SH-SYSY   excitatory anmino acids
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