APPARENT ANTEROGRADE TRANSPORT OF BASIC FIBROBLAST GROWTH-FACTOR IN THE RAT NIGROSTRIATAL DOPAMINE SYSTEM

被引：12
作者：
MCGEER, EG [1 ]
SINGH, EA [1 ]
MCGEER, PL [1 ]
机构：
[1] UNIV BRITISH COLUMBIA, CTR NEURODEGENERAT DISORDER, VANCOUVER V6T 1Z3, BC, CANADA
来源：
NEUROSCIENCE LETTERS | 1992年 / 148卷 / 1-2期
基金：
英国医学研究理事会;
关键词：
GROWTH FACTOR; SUBSTANTIA-NIGRA; NEOSTRIATUM; 6-HYDROXYDOPAMINE; EXCITOTOXIN;
D O I：
10.1016/0304-3940(92)90797-B
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
Five hours after the stereotaxic injection of approximately 1 ng of [I-125]basic fibroblast growth factor (bFGF) into rat substantia nigra (SN), small but consistent amounts of radioactivity were found in the ipsilateral striatum (CP). None was found in the ipsilateral thalamus or contralateral CP, SN or thalamus. The amount found in the ipsilateral CP was very markedly reduced in rats injected 5-7 days after 6-hydroxydopamine-induced lesions of the nigrostriatal dopaminergic tract but was unaffected by prior kainic acid lesion of the CP. No radioactivity was found in the ipsilateral SN 5 h after injections of similar amounts of radioactive bFGF into the CP. These results are consistent with anterograde transport of bFGF in the dopaminergic nigrostriatal tract.
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收藏
页码：31 / 33
页数：3
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