|
|
||||||||
Departments of 1 Experimental Internal Medicine, 2 Intensive Care Medicine, 3 Pathology, and 6 Infectious Diseases, Tropical Medicine, and AIDS, Academic Medical Center of Amsterdam, 1105 AZ Amsterdam, The Netherlands; 4 Amgen, Incorporated, Thousand Oaks, California 91320; and 5 University of Colorado Health Sciences Center, Denver, Colorado 80262
Pneumonia is associated with elevated
concentrations of the proinflammatory cytokine interleukin (IL)-1 in
the pulmonary compartment. To study the role of IL-1 in the
pathogenesis of Pseudomonas pneumonia, IL-1 receptor type 1 gene-deficient (IL-1R
/
) mice and wild-type mice were
intranasally inoculated with Pseudomonas aeruginosa. The
absence of the IL-1 signal attenuated the outgrowth of
Pseudomonas in lungs, as reflected by an increasing number
of colony-forming units (cfu) during Pseudomonas
pneumonia in wild-type mice and a concurrently decreasing number of cfu
during pulmonary infection in IL-1R
/
mice
(P < 0.05, IL-1R
/
mice vs. wild-type
mice). Influx of neutrophils was decreased in bronchoalveolar lavage fluids in IL-1R
/
mice compared with wild-type mice.
Similarly, lung levels of cytokines (tumor necrosis factor-
, IL-6)
and chemokines (macrophage inflammatory protein-2 and KC) were lower in
IL-1R
/
mice 24 h postinoculation. Consistent with
results obtained in IL-1R
/
mice, treatment of wild-type
mice with IL-1R antagonist also diminished outgrowth of
Pseudomonas when compared with wild-type mice treated with
vehicle (P < 0.05). These results demonstrate that an
absence or reduction in endogenous IL-1 activity improves host defense
against Pseudomonas pneumonia while suppressing the inflammatory response.
tumor necrosis factor-
; cytokines
This article has been cited by other articles:
![]() |
D. Kafka, E. Ling, G. Feldman, D. Benharroch, E. Voronov, N. Givon-Lavi, Y. Iwakura, R. Dagan, R. N. Apte, and Y. Mizrachi-Nebenzahl Contribution of IL-1 to resistance to Streptococcus pneumoniae infection Int. Immunol., September 1, 2008; 20(9): 1139 - 1146. [Abstract] [Full Text] [PDF] |
||||
![]() |
F. S. Sutterwala, L. A. Mijares, L. Li, Y. Ogura, B. I. Kazmierczak, and R. A. Flavell Immune recognition of Pseudomonas aeruginosa mediated by the IPAF/NLRC4 inflammasome J. Exp. Med., December 24, 2007; 204(13): 3235 - 3245. [Abstract] [Full Text] [PDF] |
||||
![]() |
N. Reiniger, M. M. Lee, F. T. Coleman, C. Ray, D. E. Golan, and G. B. Pier Resistance to Pseudomonas aeruginosa Chronic Lung Infection Requires Cystic Fibrosis Transmembrane Conductance Regulator-Modulated Interleukin-1 (IL-1) Release and Signaling through the IL-1 Receptor Infect. Immun., April 1, 2007; 75(4): 1598 - 1608. [Abstract] [Full Text] [PDF] |
||||
![]() |
S. J. Skerrett, C. B. Wilson, H. D. Liggitt, and A. M. Hajjar Redundant Toll-like receptor signaling in the pulmonary host response to Pseudomonas aeruginosa Am J Physiol Lung Cell Mol Physiol, January 1, 2007; 292(1): L312 - L322. [Abstract] [Full Text] [PDF] |
||||
![]() |
S. L. Mueller-Ortiz, T. J. Hollmann, D. L. Haviland, and R. A. Wetsel Ablation of the complement C3a anaphylatoxin receptor causes enhanced killing of Pseudomonas aeruginosa in a mouse model of pneumonia Am J Physiol Lung Cell Mol Physiol, August 1, 2006; 291(2): L157 - L165. [Abstract] [Full Text] [PDF] |
||||
![]() |
S. Kirschnek and E. Gulbins Phospholipase A2 Functions in Pseudomonas aeruginosa- Induced Apoptosis Infect. Immun., February 1, 2006; 74(2): 850 - 860. [Abstract] [Full Text] [PDF] |
||||
![]() |
S. Knapp, C. W. Wieland, S. Florquin, R. Pantophlet, L. Dijkshoorn, N. Tshimbalanga, S. Akira, and T. van der Poll Differential Roles of CD14 and Toll-like Receptors 4and 2 in Murine Acinetobacter Pneumonia Am. J. Respir. Crit. Care Med., January 1, 2006; 173(1): 122 - 129. [Abstract] [Full Text] [PDF] |
||||
![]() |
A. M. Hajjar, H. Harowicz, H. D. Liggitt, P. J. Fink, C. B. Wilson, and S. J. Skerrett An Essential Role for Non-Bone Marrow-Derived Cells in Control of Pseudomonas aeruginosa Pneumonia Am. J. Respir. Cell Mol. Biol., November 1, 2005; 33(5): 470 - 475. [Abstract] [Full Text] [PDF] |
||||
![]() |
R. T. Sadikot, T. S. Blackwell, J. W. Christman, and A. S. Prince Pathogen-Host Interactions in Pseudomonas aeruginosa Pneumonia Am. J. Respir. Crit. Care Med., June 1, 2005; 171(11): 1209 - 1223. [Abstract] [Full Text] [PDF] |
||||
![]() |
L. Allen, D. H. Dockrell, T. Pattery, D. G. Lee, P. Cornelis, P. G. Hellewell, and M. K. B. Whyte Pyocyanin Production by Pseudomonas aeruginosa Induces Neutrophil Apoptosis and Impairs Neutrophil-Mediated Host Defenses In Vivo J. Immunol., March 15, 2005; 174(6): 3643 - 3649. [Abstract] [Full Text] [PDF] |
||||
![]() |
M. Tanabe, T. Matsumoto, K. Shibuya, K. Tateda, S. Miyazaki, A. Nakane, Y. Iwakura, and K. Yamaguchi Compensatory response of IL-1 gene knockout mice after pulmonary infection with Klebsiella pneumoniae J. Med. Microbiol., January 1, 2005; 54(1): 7 - 13. [Abstract] [Full Text] [PDF] |
||||
![]() |
J. T. Giles and J. M. Bathon Serious Infections Associated with Anticytokine Therapies in the Rheumatic Diseases J Intensive Care Med, November 1, 2004; 19(6): 320 - 334. [Abstract] [PDF] |
||||
![]() |
J. P. Mizgerd, M. M. Lupa, J. Hjoberg, J. C. Vallone, H. B. Warren, J. P. Butler, and E. S. Silverman Roles for early response cytokines during Escherichia coli pneumonia revealed by mice with combined deficiencies of all signaling receptors for TNF and IL-1 Am J Physiol Lung Cell Mol Physiol, June 1, 2004; 286(6): L1302 - L1310. [Abstract] [Full Text] [PDF] |
||||
![]() |
M. Levi, J. Dorffler-Melly, P. Reitsma, H. Buller, S. Florquin, T. van der Poll, and P. Carmeliet Aggravation of endotoxin-induced disseminated intravascular coagulation and cytokine activation in heterozygous protein-C-deficient mice Blood, June 15, 2003; 101(12): 4823 - 4827. [Abstract] [Full Text] [PDF] |
||||
![]() |
V. Jendrossek, S. Fillon, C. Belka, I. Muller, B. Puttkammer, and F. Lang Apoptotic Response of Chang Cells to Infection with Pseudomonas aeruginosa Strains PAK and PAO-I: Molecular Ordering of the Apoptosis Signaling Cascade and Role of Type IV Pili Infect. Immun., May 1, 2003; 71(5): 2665 - 2673. [Abstract] [Full Text] [PDF] |
||||
![]() |
T.-J. Lin, R. Garduno, R. T. M. Boudreau, and A. C. Issekutz Pseudomonas aeruginosa Activates Human Mast Cells to Induce Neutrophil Transendothelial Migration Via Mast Cell-Derived IL-1{alpha} and {beta} J. Immunol., October 15, 2002; 169(8): 4522 - 4530. [Abstract] [Full Text] [PDF] |
||||
| HOME | HELP | FEEDBACK | SUBSCRIPTIONS | ARCHIVE | SEARCH | TABLE OF CONTENTS |
| Visit Other APS Journals Online |