Article
CpG motifs in bacterial DNA delay apoptosis of neutrophil granulocytes
2 Sept 2004
Abstract excerpt
Human neutrophil granulocytes die rapidly, and their survival is contingent upon rescue from programmed cell death by signals from the environment. We now show that a novel signal for delaying neutrophil apoptosis is unmethylated CpG motifs prevalent in bacterial DNA (CpG- DNA). Human neutrophils express toll-like receptor 9 that recognizes these motifs. CpG-DNA, but not mammalian DNA or methylated bacterial DNA,...
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