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Cited by 451

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

Toll-like receptor 9–induced type I IFN protects mice from experimental colitis

Open access
Katakura, Kyoko, Lee, Jongdae, Rachmilewitz, Daniel, Li, Gloria, Eckmann, Lars, Raz, Eyal·2005·Journal of Clinical Investigation

Abstract

Experimental colitis is mediated by inflammatory or dysregulated immune responses to microbial factors of the gastrointestinal tract. In this study we observed that administration of Toll-like receptor 9 (TLR9) agonists suppressed the severity of experimental colitis in RAG1-/- but not in SCID mice. This differential responsiveness between phenotypically similar but genetically distinct animals was related to a partial blockade in TLR9 signaling and defective production of type I IFN (i.e., IFN-alpha/beta) in SCID mice upon TLR9 stimulation. The addition of neutralization antibodies against type I IFN abolished the antiinflammatory effects induced by TLR9 agonists, whereas the administration of recombinant IFN-beta mimicked the antiinflammatory effects induced by TLR9 agonists in this model. Furthermore, mice deficient in the IFN-alpha/beta receptor exhibited more severe colitis than wild-type mice did upon induction of experimental colitis. These results indicate that TLR9-triggered type I IFN has antiinflammatory functions in colitis. They also underscore the important protective role of type I IFN in intestinal homeostasis and suggest that strategies to modulate innate immunity may be of therapeutic value for the treatment of intestinal inflammatory conditions.

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Crossref · 10.1172/jci22996

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Metadata

Authors
Katakura, K., Lee, J., Rachmilewitz, D., Li, G., Eckmann, L., & Raz, E.
Venue
Journal of Clinical Investigation
Published
2005-03-01
Volume
115
Issue
3
Pages
695-702
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2101567516
Cited by
451
References
3
FWCI
10.73
Type
journal article
Language
en
Open access
bronze

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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