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KMID : 1034820070030010046
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Molecular & Cellular Toxicology
2007 Volume.3 No. 1 p.46 ~ p.52
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Immunoadjuvanticity of Novel CpG ODN (Oligodeoxynucleotide)
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Park Su-Jung
Cho Hyeon-Cheol
Bae Keum-Seok
Kim Soo-Kie
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Abstract
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In the course of novel TLR (Toll like receptor) 9 ligand, we found novel CpG ODN (Oligodeoxynucleotide) was active in augmenting antibody in mice. However, immune mechanism of new CpG ODNs is unclear. To clarify this, we examined immunoadjuvanticity by employing in vitro and in vivo immune profiles. In brief, in vitro treatment of novel CpG ODN upregulated the expression of TNF-, IL-6, and IL-12 mRNA in macrophages as well as that of IFN- mPNA in mouse splenocytes. In parallel, in vivo injection of novel CpG ODN directly activates macrophages and splenocytess, consequently upregulating MHC class II and CD86. Finally, we demonstrated anti-HBs antibody augmentation of novel CpG ODN. Collectively, this data indicates that novel CpG ODN is immunoadjuvant armed with Th1 typed immune machinery.
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KEYWORD
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CpG ODN (Oligodeoxynucleotide), Immunoadjuvanticity TLR (Toll like receptor), Th1 (T helper 1)
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