ACTIN MOLECULES PROMOTE NEURITE OUTGROWTH OF CHICK TELENCEPHALIC NEURONS INVITRO

被引:8
作者
NOBUSADA, H [1 ]
TAGUCHI, T [1 ]
机构
[1] OSAKA UNIV,FAC ENGN SCI,DEPT BIOPHYS ENGN,TOYONAKA,OSAKA 560,JAPAN
关键词
D O I
10.1016/S0006-291X(05)80109-3
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Chick brain extract contains protein factors for neurite outgrowth from embryonic chick telencephalic neurons in dissociated cell cultures. In the course of purification of the factors using a bioassay system, a 41 kDa protein was detected to be one of the factors. Immunoblot analysis showed that this protein is identical to actin. In addition, G-actin purified from rabbit skeletal muscle exhibits neurite outgrowth activity in the same dose-dependent manner as the 41 kDa protein. The same bioassay carried with other purified proteins did not show such a remarkable activity. © 1992 Academic Press, Inc.
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页码:39 / 44
页数:6
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