ArticleInflammatory intestinal diseases2021
Epithelial-Specific TLR4 Knockout Challenges Current Evidence of TLR4 Homeostatic Control of Gut Permeability.
Article in Inflammatory intestinal diseases, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 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.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Intestinal epithelial TLR4 knock out induces sex-specific effects on gut barrier and microbiome in an activity-based anorexia model.Gut microbes · 2026Article
- Cell-free hemoglobin triggers macrophage cytokine production via TLR4 and MyD88.American journal of physiology. Lung cellular and molecular physiology · 2024Article
- Microbial Metabolites as Ligands to Xenobiotic Receptors: Chemical Mimicry as Potential Drugs of the Future.Drug metabolism and disposition: the biological fate of chemicals · 2023Review
- Toll-like receptor 4 deletion partially protects mice from high fat diet-induced arterial stiffness despite perturbation to the gut microbiota.Frontiers in microbiomes · 2023Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionToll-like receptor 4 (TLR4) is a highly conserved immunosurveillance protein of innate immunity, displaying well-established roles in homeostasis and intestinal inflammation. Current evidence shows complex relationships between TLR4 activation, maintenance of health, and disease progression; however, it commonly overlooks the importance of site-specific TLR4 expression. This omission has the potential to influence translation of results as previous evidence shows the differing and distinct roles that TLR4 exhibits are dependent on its spatiotemporal expression.
methodsAn intestinal epithelial TLR4 conditional knockout (KO) mouse line (
resultsThere was no impact of the intestinal epithelial TLR4 KO, with no differences in (1) tissue resistance-ileum (mean ± standard error of mean [SEM]): WT 22 ± 7.2 versus
conclusionsThese data have 2 important implications. First, these data refute the assumption that epithelial TLR4 exerts physiological control of intestinal physiology and immunity in health. Second, and most importantly, these data support the use of the
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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.