Journal
MICROBES AND INFECTION
Volume 4, Issue 9, Pages 897-901Publisher
EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/S1286-4579(02)01614-3
Keywords
CpG DNA; monocytes; activation
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Unmethylated CpG motifs present in bacterial DNA rapidly trigger an innate immune response characterized by the activation of Ig- and cytokine-secreting cells. Synthetic oligonucleotides (ODNs) containing CpG motifs mimic this activity, triggering monocytes to proliferate, secrete and/or differentiate. Analysis of hundreds of novel ODNs led to the identification of two structurally distinct classes of CpG motif that differentially activate human monocytes. ODNs of the K-type interact with Toll-like receptor 9 and induce monocytes to proliferate and secrete IL-6. In contrast, D-type ODNs trigger monocytes to differentiate into mature dendritic cells. Published by Editions scientifiques et medicales Elsevier SAS.
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