Abstract
A key rate-limiting step in the adaptive immune response at peripheral challenge sites is the transmission of antigen signals to T cells in regional lymph nodes. Recent evidence suggests that specialized dendritic cells (DC) fulfill this surveillance function in the resting state, but their relatively slow turnover in most peripheral tissues brings into question their effectiveness in signaling the arrival of highly pathogenic sources of antigen which require immediate mobilization of the full range of host defenses for maintenance of homeostasis. However, the present report demonstrates that recruitment of a wave of DC into the respiratory tract mucosa is a universal feature of the acute cellular response to local challenge with bacterial, viral, and soluble protein antigens. Consistent with this finding, we also demonstrate that freshly isolated respiratory mucosal DC respond in vitro to a variety of CC chemokines as well as complementary cleavage products and N-formyl-methionyl-leucine-phenylalanine. This suggests that rapid amplification of specific antigen surveillance at peripheral challenge sites is an integral feature of the innate immune response at mucosal surfaces, and serves as an “early warning system” to alert the adaptive immune system to incoming pathogens.
Bibliography
McWilliam, A. S., Napoli, S., Marsh, A. M., Pemper, F. L., Nelson, D. J., Pimm, C. L., Stumbles, P. A., Wells, T. N. C., & Holt, P. G. (1996). Dendritic Cells Are Recruited into the Airway Epithelium during the Inflammatory Response to a Broad Spectrum of Stimuli. The Journal of Experimental Medicine, 184(6), 2429â2432.
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Dates
Type | When |
---|---|
Created | 21 years, 2 months ago (June 24, 2004, 3:56 a.m.) |
Deposited | 2 years, 1 month ago (July 28, 2023, 3:53 p.m.) |
Indexed | 1 week, 3 days ago (Aug. 23, 2025, 1 a.m.) |
Issued | 28 years, 9 months ago (Dec. 1, 1996) |
Published | 28 years, 9 months ago (Dec. 1, 1996) |
Published Online | 28 years, 9 months ago (Dec. 1, 1996) |
Published Print | 28 years, 9 months ago (Dec. 1, 1996) |
@article{McWilliam_1996, title={Dendritic Cells Are Recruited into the Airway Epithelium during the Inflammatory Response to a Broad Spectrum of Stimuli}, volume={184}, ISSN={1540-9538}, url={http://dx.doi.org/10.1084/jem.184.6.2429}, DOI={10.1084/jem.184.6.2429}, number={6}, journal={The Journal of Experimental Medicine}, publisher={Rockefeller University Press}, author={McWilliam, Andrew S. and Napoli, Sylvia and Marsh, Amanda M. and Pemper, Francis L. and Nelson, Delia J. and Pimm, Carolyn L. and Stumbles, Philip A. and Wells, Timothy N.C. and Holt, Patrick G.}, year={1996}, month=dec, pages={2429–2432} }