ArticleJournal of animal science and biotechnology2022
Bacillus licheniformis PF9 improves barrier function and alleviates inflammatory responses against enterotoxigenic Escherichia coli F4 infection in the porcine intestinal epithelial cells.
Article in Journal of animal science and biotechnology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 29 citations in OpenAlex.
- Isolation, Characterization, and Anti-Inflammatory Effects ofFoods (Basel, Switzerland) · 2026Article
- A Functional Limosilactobacillus reuteri ZY18 Strain: Probiotic Properties and Associated Anti-inflammatory Responses Against ETEC K88 Infection.Probiotics and antimicrobial proteins · 2026Article
- Dietary anti- Escherichia coli K88 IgY enhances immune response and intestinal barrier function in piglets challenged with Escherichia coli K88.BMC veterinary research · 2026Article
- Effects and Mechanisms of Lactiplantibacillus plantarum G83 on Enterotoxigenic Escherichia coli (ETEC)-Induced Intestinal Inflammation.Probiotics and antimicrobial proteins · 2026Article
- Bacillus licheniformis B410 Alleviates Inflammation Induced by Lipopolysaccharide and Salmonella by Inhibiting NF-κB and IRF Signaling Pathways in Macrophages.Probiotics and antimicrobial proteins · 2025Article
- Linarin alleviates enterotoxigenic Escherichia coli-induced small intestinal mucosal barrier damage in a piglet model by modulating the gut microbiota.Animal microbiome · 2025Article
- Article
- Antiviral Activity of Marine BacteriumInternational journal of molecular sciences · 2025Article
- Effect of Lactiplantibacillus plantarum N-1 and isomaltose-oligosaccharide on promoting growth performance and modulating the gastrointestinal microbiota in newborn Hu sheep.Animal microbiome · 2025Article
- Complex probiotics can reduce diarrhea by boosting immunity and balancing gut microbiota in weaned piglets.Frontiers in immunology · 2025Article
- L-Alanine promotes anti-infectious properties of Bacillus subtilis S-2 spores via the germination receptor gerAA.Probiotics and antimicrobial proteins · 2024Article
- Effects of Luteolin in an In Vitro Model of Porcine Intestinal Infections.Animals : an open access journal from MDPI · 2024Article
- Hydroxytyrosol Alleviates Intestinal Oxidative Stress by Regulating Bile Acid Metabolism in a Piglet Model.International journal of molecular sciences · 2024Article
- Article
- Functional evaluation ofTranslational animal science · 2024Article
- Berberine alleviates enterotoxigenicFrontiers in nutrition · 2024Article
- Berberine alleviates ETEC-induced intestinal inflammation and oxidative stress damage by optimizing intestinal microbial composition in a weaned piglet model.Frontiers in immunology · 2024Article
- Review
- DietaryFrontiers in microbiology · 2023Article
- Post-weaning diarrhea and use of feedstuffs in pigs.Animal frontiers : the review magazine of animal agriculture · 2022Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundEnterotoxigenic Escherichia coli (ETEC) F4 commonly colonizes the small intestine and releases enterotoxins that impair the intestinal barrier function and trigger inflammatory responses. Although Bacillus licheniformis (B. licheniformis) has been reported to enhance intestinal health, it remains to be seen whether there is a functional role of B. licheniformis in intestinal inflammatory response in intestinal porcine epithelial cell line (IPEC-J2) when stimulated with ETEC F4.
methodsIn the present study, the effects of B. licheniformis PF9 on the release of pro-inflammation cytokines, cell integrity and nuclear factor-κB (NF-κB) activation were evaluated in ETEC F4-induced IPEC-J2 cells.
resultsB. licheniformis PF9 treatment was capable of remarkably attenuating the expression levels of inflammation cytokines tumor necrosis factor-α (TNF-α), interleukin (IL)-8, and IL-6 during ETEC F4 infection. Furthermore, the gene expression of Toll-like receptor 4 (TLR4)-mediated upstream related genes of NF-κB signaling pathway has been significantly inhibited. These changes were accompanied by significantly decreased phosphorylation of p65 NF-κB during ETEC F4 infection with B. licheniformis PF9 treatment. The immunofluorescence and western blotting analysis revealed that B. licheniformis PF9 increased the expression levels of zona occludens 1 (ZO-1) and occludin (OCLN) in ETEC F4-infected IPEC-J2 cells. Meanwhile, the B. licheniformis PF9 could alleviate the injury of epithelial barrier function assessed by the trans-epithelial electrical resistance (TEER) and cell permeability assay. Interestingly, B. licheniformis PF9 protect IPEC-J2 cells against ETEC F4 infection by decreasing the gene expressions of virulence-related factors (including luxS, estA, estB, and elt) in ETEC F4.
conclusionsCollectively, our results suggest that B. licheniformis PF9 might reduce inflammation-related cytokines through blocking the NF-κB signaling pathways. Besides, B. licheniformis PF9 displayed a significant role in the enhancement of IPEC-J2 cell integrity.
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