PHOSPHATIDYLCHOLINE-PHOSPHOLIPASE-C MEDIATES THE INDUCTION OF NERVE GROWTH-FACTOR IN CULTURED GLIAL-CELLS

被引:16
|
作者
LAVIADA, ID [1 ]
BAUDET, C [1 ]
GALVEROPERH, I [1 ]
NAVEILHAN, P [1 ]
BRACHET, P [1 ]
机构
[1] CHRU,INSERM,U298,F-49100 ANGERS,FRANCE
关键词
NERVE GROWTH FACTOR; PHOSPHATIDYLCHOLINE; PROTEIN KINASE C; SPHINGOSINE; GLIAL CELL; ASTROCYTE;
D O I
10.1016/0014-5793(95)00414-5
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
Addition of phosphatidylcholine-hydrolyzing phospholipase C (PC-PLC) to cultured glial cells increased the levels of nerve growth factor (NGF) mRNA and the amount of cell-secreted NGF, The effect of PC-PLC was 2.5 times higher than that elicited by 4 beta-phorbol 12 beta-myristate 13 alpha-acetate. In cells in which protein kinase C (PKC) was fully inhibited or downregulated, the effect of PC-PLC was reduced - though still evident - and similar to that exerted by sphingosine. Results thus indicate that PC-PLC induces the synthesis of NGF by glial cells by a PKC-dependent and PKC-independent mechanisms.
引用
收藏
页码:301 / 304
页数:4
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