Involvement of Toll-Like Receptor 4 in Innate Immunity to Respiratory Syncytial Virus-Reference-Cited by-同舟云学术

Involvement of Toll-Like Receptor 4 in Innate Immunity to Respiratory Syncytial Virus

Published:2001-11-15 Issue:22 Volume:75 Page:10730-10737
ISSN:0022-538X
Container-title:Journal of Virology
language:en
Short-container-title:J Virol

Author:

Haynes Lia M.¹,Moore Deborah D.¹,Kurt-Jones Evelyn A.²,Finberg Robert W.²,Anderson Larry J.¹,Tripp Ralph A.¹

Affiliation:

1. Respiratory and Enteric Virus Branch, Division of Viral and Rickettsial Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 30333,1 and

2. Department of Medicine, University of Massachusetts Medical Center, Worcester, Massachusetts 016052

Abstract

ABSTRACT The mammalian Toll-like receptor 4, TLR4, is an important component in the innate immune response to gram-negative bacterial infection. The role of TLR4 in antiviral immunity has been largely unexplored. In this study, the in vivo immune responses to respiratory syncytial virus (RSV) and influenza virus infection were examined in TLR4-deficient (C57BL/10ScNCr) and TLR4-expressing (C57BL/10Sn) mice. TLR4-deficient mice challenged with RSV, but not influenza virus, exhibited impaired natural killer (NK) cell and CD14 + cell pulmonary trafficking, deficient NK cell function, impaired interleukin-12 expression, and impaired virus clearance compared to mice expressing TLR4. These findings suggest that Toll signaling pathways have an important role in innate immunity to RSV.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

Link

https://journals.asm.org/doi/pdf/10.1128/JVI.75.22.10730-10737.2001

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