期刊
BRAIN RESEARCH
卷 863, 期 1-2, 页码 245-248出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0006-8993(00)02127-2
关键词
TNF alpha; protein kinase C; intercelluar adhesion molecule 1; fluid phase endocytosis; brain microvascular endothelial cell
TNF alpha (100 U/ml, 24 h) upregulated intercellular adhesion molecule 1 (ICAM1) expression and fluid phase endocytosis (FPE) of horseradish peroxidase on brain microvascular endothelial cell (BMEC) culture. The protein kinase C (PKC) inhibitor staurosporin (0.5-10 nM) antagonized ICAM1 expression and FPE due to TNF alpha, whereas the protein kinase A inhibitor H89 (0.5-10 nM) did not. These findings indicate that a PKC-dependent mechanism may affect TNFa signalling on different barrier properties of BMECs. (C) 2000 Elsevier Science B.V. All rights reserved.
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