Article: CD83 expression induced by CpG-DNA stimulation in a macrophage cell line RAW 264.7 Min Chul Park1, Dongbum Kim2, Younghee Lee3 & Hyung-Joo Kwon1,2,*
Biochemistry and Molecular Biology reports
(Sep 2013) Volume v. 46, Issue (9), Page(s) p. 448–453
Abstract: CpG-DNA has various immunomodulatory effects in dendritic cells, B cells, and macrophages. While induction of cytokines by CpG-DNA has been well documented in macrophages, the expression of costimulatory molecules in CpG-DNA treated macrophages has not ... ...
Abstract | CpG-DNA has various immunomodulatory effects in dendritic cells, B cells, and macrophages. While induction of cytokines by CpG-DNA has been well documented in macrophages, the expression of costimulatory molecules in CpG-DNA treated macrophages has not yet been defined. Therefore, we investigated the effects of CpG-DNA on the expression of costimulatory molecules in RAW 264.7 cells. The surface expression of CD80 was slightly increased and CD83 expression was significantly increased in response to CpG-DNA. However, the expression of CD86 and MHC class II was not changed. As expression of CD83 mRNA was also increased by CpG-DNA, CD83 expression is regulated at a transcriptional level. To understand the contribution of signaling pathways to CD83 induction, we used pathway specific inhibitors. The NF-κB inhibitor significantly reduced surface expression of CD83 as well as phagocytic activity of RAW 264.7 cells. Therefore, CD83 expression may contribute to the immunostimulatory effects of CpG-DNA in macrophage cells |
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Keywords | MACROPHAGE ; MACROFAGOS ; MACROPHAGES |
Language | English |
Document type | Article |
ISSN | 1976-6696 |
Database | AGRIS - International Information System for the Agricultural Sciences and Technology |
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