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Infect. Immun., 01 1998, 376-379, Vol 66, No. 1
KA Kernacki, DJ Goebel, MS Poosch and LD Hazlett
Using a multiprobe RNase protection assay, we examined cytokine and
chemokine mRNAs that were expressed after corneal infection with
Pseudomonas aeruginosa in mice. Cytokines that were upregulated included
interleukin-1alpha (IL-1alpha) and -1beta, IL-1 receptor antagonist, IL-6,
IL-11, granulocyte colony-stimulating factor, granulocyte-macrophage
colony-stimulating factor, macrophage colony- stimulating factor, stem cell
factor, lymphotoxin beta, transforming growth factor beta1, and tumor
necrosis factor alpha. Chemokine transcripts that were upregulated included
Eotaxin; gamma-interferon- inducible protein 10; monocyte chemoattractant
protein 1; macrophage inflammatory proteins 1alpha, 1beta, and 2; and
RANTES. Peak expression of these cytokines and chemokines was observed
between 1 and 3 days after infection. These responses returned to or
approached baseline preinfection levels by 7 days after ocular challenge.
Identification of the various cytokines and chemokines upregulated during
corneal infection provides important information relevant to unraveling the
pathogenesis induced by this bacterium and provides hope that specific
molecules can be targeted for therapy.
Copyright © 1998, American Society for Microbiology
Early cytokine and chemokine gene expression during Pseudomonas aeruginosa corneal infection in mice
Department of Anatomy/Cell Biology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA.
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