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- _4 label "Selventa" provenance.
- large_corpus.bel rights "Copyright (c) 2011-2012, Selventa. All rights reserved." provenance.
- _3 value "Neutrophils provide an essential defense against bacterial and fungal infection and play a major role in tissue damage during inflammation. Using oligonucleotide microarrays, we have examined the time course of changes in gene expression induced by stimulation with live, opsonized Escherichia coli, soluble lipopolysaccharide, and the chemoattractant formyl-methionyl-leucyl-phenylalanine. The results indicate that activated neutrophils generate a broad and vigorous set of alterations in gene expression. The responses included changes in the levels of transcripts encoding 148 transcription factors and chromatin-remodeling genes and 95 regulators of protein synthesis or stability. Clustering analysis showed distinct temporal patterns with many rapid changes in gene expression within the first hour of exposure. In addition to the temporal clustering of genes, we also observed rather different profiles associated with each stimulus, suggesting that even a nonvirulent organism such as E. coli is able to play a dynamic role in shaping the inflammatory response. Principal component analysis of transcription factor genes demonstrated clear separation of the neutrophil-response clusters from those of resting and stimulated human monocytes. The present study indicates that combinatorial transcriptional regulation including alterations of chromatin structure may play a role in the rapid changes in gene expression that occur in these terminally differentiated cells." provenance.
- _3 wasQuotedFrom 14634056 provenance.
- assertion hadPrimarySource 14634056 provenance.
- large_corpus.bel title "BEL Framework Large Corpus Document" provenance.
- large_corpus.bel description "Approximately 61,000 statements." provenance.
- assertion wasDerivedFrom _3 provenance.
- assertion wasDerivedFrom large_corpus.bel provenance.
- large_corpus.bel authoredBy _4 provenance.
- large_corpus.bel version "1.4" provenance.