期刊
FLUIDS AND BARRIERS OF THE CNS
卷 10, 期 -, 页码 -出版社
BMC
DOI: 10.1186/2045-8118-10-27
关键词
Blood-brain barrier; Transcriptome; Cytokines; Transporter systems; Inter-brain endothelial junctions; Integrin-focal adhesions
资金
- Multiple Sclerosis Society of Great Britain and Northern Ireland
Background: The human cerebral microvascular endothelial cell line, hCMEC/D3, has been used extensively to model the blood- brain barrier (BBB) in vitro. Recently, we reported that cytokine-treatment induced loss of brain endothelial barrier properties. In this study, we further determined the gene expression pattern of hCMEC/D3 cells in response to activation with TNF alpha and IFN gamma. Findings: Using a microarray approach, we observed that expression of genes involved in the control of barrier permeability, including inter-brain endothelial junctions (e.g. claudin- 5, MARVELD-2), integrin-focal adhesions complexes (e.g. integrin beta 1, ELMO-1) and transporter systems (e.g. ABCB1, SLC2A1), are altered by pro-inflammatory cytokines. Conclusions: Our study shows that previously-described cytokine-induced changes in the pattern of gene expression of endothelium are reproduced in hCMEC/D3 cells, suggesting that this model is suitable to study inflammation at the BBB, while at the same time it has provided insights into novel key molecular processes that are altered in brain endothelium during neuroinflammation, such as modulation of cell-to-matrix contacts.
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