ArticleInfection and immunity2005
Central role of toll-like receptor 4 signaling and host defense in experimental pneumonia caused by Gram-negative bacteria.
Article in Infection and immunity, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 64 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
64 citing papers in PubMed.
- Malvidin-3-O-Rhamnoside Alleviates Klebsiella pneumoniae -Induced Acute Lung Injury by Regulating Macrophage-Mediated Inflammatory and Oxidative Pathways.Phytotherapy research : PTR · 2026Article
- Immunoinformatics based design of a multiepitope vaccine targetingOpen medicine (Warsaw, Poland) · 2026Article
- Best Practices in the Development and Use of Experimental Models of Bacterial Pneumonia: An Official American Thoracic Society Workshop Report.American journal of respiratory cell and molecular biology · 2025Article
- Insights into the roles of macrophages in Klebsiella pneumoniae infections: a comprehensive review.Cellular & molecular biology letters · 2025Review
- Role of endosomal toll-like receptors in immune sensing ofFrontiers in immunology · 2025Article
- STAT1 Employs Myeloid Cell-Extrinsic Mechanisms to Regulate the Neutrophil Response and Provide Protection against Invasive Klebsiella pneumoniae Lung Infection.ImmunoHorizons · 2024Article
- Immunometabolic control byImmunometabolism (Cobham, Surrey) · 2023Review
- Role of toll-like receptors and nod-like receptors in acute lung infection.Frontiers in immunology · 2023Review
- Effect of Zinc Oxide Nanoparticles on Capsular Gene Expression inBiomimetics (Basel, Switzerland) · 2022Article
- 5,2'-Dibromo-2,4',5'-trihydroxydiphenylmethanone Inhibits LPS-Induced Vascular Inflammation by Targeting the Cav1 Protein.Molecules (Basel, Switzerland) · 2022Article
- Impairment of Mitochondrial ATP Synthesis Induces RIPK3-dependent Necroptosis in Lung Epithelial Cells During Lung Injury by Lung Inflammation.Immune network · 2022Article
- Adenovirus-α-Defensin Complexes Induce NLRP3-Associated Maturation of Human Phagocytes via Toll-Like Receptor 4 Engagement.Journal of virology · 2022Article
- Surfactant Protein A Enhances the Degradation of LPS-Induced TLR4 in Primary Alveolar Macrophages Involving Rab7, β-arrestin2, and mTORC1.Infection and immunity · 2022Article
- Variability of murine bacterial pneumonia models used to evaluate antimicrobial agents.Frontiers in microbiology · 2022Review
- Host defense against the infection ofFrontiers in cellular and infection microbiology · 2022Review
- Article
- Anti-Inflammatory and Anti-Oxidant Activity ofMolecules (Basel, Switzerland) · 2019Article
- Mechanism-Based Disease Progression Model Describing Host-Pathogen Interactions During the Pathogenesis of Acinetobacter baumannii Pneumonia.CPT: pharmacometrics & systems pharmacology · 2018Article
- Aberrant Th2 inflammation drives dysfunction of alveolar macrophages and susceptibility to bacterial pneumonia.Cellular & molecular immunology · 2018Article
- CD36 Provides Host Protection Against Klebsiella pneumoniae Intrapulmonary Infection by Enhancing Lipopolysaccharide Responsiveness and Macrophage Phagocytosis.The Journal of infectious diseases · 2016Article
4 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
Abstract
Toll-like receptor 4 (TLR4) has been identified as a receptor for lipopolysaccharide. However, the precise role of TLR4 in regulating gene expression in response to an infection caused by gram-negative bacteria has not been fully elucidated. The role of TLR4 signaling in coordinating gene expression was assessed by gene expression profiling in lung tissue in a mouse model of experimental pneumonia with a low-dose infection of Klebsiella pneumoniae. We analyzed four mouse strains: C57BL/6 mice, which are resistant to bacterial dissemination; 129/SvJ mice, which are susceptible; C3H/HeJ mice, which are susceptible and have defective TLR4 signaling; and their respective control strain, C3H/HeN (intermediate resistance). At 4 h after infection, C57BL/6 and C3H/HeN mice demonstrated the greatest number of genes, with 67 shared induced genes which were TLR4 dependent and highly associated with the resistance phenotype. These genes included cytokine and chemokine genes required for neutrophil activation or recruitment, growth factor receptors, MyD88 (a critical adaptor protein for TLR signaling), and adhesion molecules. TLR4 signaling accounted for over 74% of the gene expression in the C3H background. These data suggest that early TLR4 signaling controls the vast majority of gene expression in the lung in response to an infection caused by gram-negative bacteria and that this subsequent gene expression determines survival of the host.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.