Unknown,Transcriptomics,Genomics,Proteomics

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Gene expression profile in peritoneal macrophage stimulated with B-DNA or CpG-B

ABSTRACT: Toll-like receptor and RIG-I-like receptor classs may evoke or instruct a distinct type of response that is more reflective of the pathogen encountered. Although this issue may be critical to a better understanding of the regulation of immune responses to microbial infections, it has not been addressed through a direct, side-by-side comparison of the two receptor classes. To address this, we performed microarray analysis of mRNAs from peritoneal macrophages stimulated with a synthetic B-form DNA, poly(dA-dT)M-cM-^CM-;poly(dT-dA) ( B-DNA) or a CpG-B oligonucleotide, which respectively activates RLRs or TLR9, and identified B-DNA inducible genes and CpG-B inducible genes. Peritoneal macrophages from B6 mice were stimulated with B-DNA (10M-NM-

ORGANISM(S): Mus musculus

SUBMITTER: hideo negishi 

PROVIDER: E-GEOD-37854 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Although the mechanisms by which innate pathogen-recognition receptors enhance adaptive immune responses are increasingly well understood, whether signaling events from distinct classes of receptors affect each other in modulating adaptive immunity remains unclear. We found here that the activation of cytosolic RIG-I-like receptors (RLRs) resulted in the selective suppression of transcription of the gene encoding the p40 subunit of interleukin 12 (Il12b) that was effectively induced by the activ  ...[more]

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