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Cited by 243

The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.

Innate immunity in the retina: Toll-like receptor (TLR) signaling in human retinal pigment epithelial cells

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Kumar, Matam Vijay, Nagineni, Chandrasekharam N, Chin, Marian S, Hooks, John J, Detrick, Barbara·2004·Journal of Neuroimmunology

Abstract

Toll-like receptors (TLRs) are crucial components of innate immunity that participate in host defense against microbial pathogens. We evaluated the expression and function of TLRs in human retinal pigment epithelial (RPE) cells. Real time PCR analysis revealed gene expression for TLRs 1–7, 9, and 10 in RPE cells. TLRs 1 and 3 were the most highly expressed TLRs. Protein expression for TLRs 2, 3, and 4 was observed on RPE cells and this expression was augmented by treatment with poly I:C or interferon-γ (IFN-γ). TLR 3 is the receptor for dsRNA, an intermediate of virus replication. Because RPE cells express TLR 3 and are frequently the site of virus replication within the retina, we evaluated TLR 3 signaling. RPE cells treated with poly I:C produced IFN-β but not IFN-α, and this was inhibited by the treatment of RPE cells with anti-TLR 3 antibody. Human recombinant IFN-β was shown to be biologically active on RPE cells by inhibiting viral replication. Poly I:C treatment of RPE resulted in an increase in the production of IL-6, IL-8, MCP-1, and sICAM-1. The presence of TLRs on RPE cells and the resultant TLR signaling in RPE cells suggest that these molecules may play an important role in innate and adaptive immune responses within the retina.

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Metadata

Authors
Kumar, M. V., Nagineni, C. N., Chin, M. S., Hooks, J. J., & Detrick, B.
Venue
Journal of Neuroimmunology
Publisher
Elsevier BV
Published
2004-08
Volume
153
Issue
1-2
Pages
7-15
ISSN
0165-5728 (ISSN-L)
OpenAlex
W2047694702
Cited by
243
References
5
FWCI
3.11
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Innate immunity in the retina: Toll-like receptor (TLR) signaling in human retinal pigment epithelial cells. https://app.cochat.ai/papers/10.1016/j.jneuroim.2004.04.018
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Kumar, M. V., Nagineni, C. N., Chin, M. S., Hooks, J. J., & Detrick, B. (2004). Innate immunity in the retina: Toll-like receptor (TLR) signaling in human retinal pigment epithelial cells. Journal of Neuroimmunology. https://doi.org/10.1016/j.jneuroim.2004.04.018

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