ArticleScientific reports2024
PPAR-γ agonist mitigates intestinal barrier dysfunction and inflammation induced by Clostridioides difficile SlpA in vitro.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Chromatin accessibility of the jejunum in two high-yielding laying hen strains under divergent mineral phosphorus supply during the transition to egg laying.Animal nutrition (Zhongguo xu mu shou yi xue hui) · 2026Article
- Phytotherapeutic potential of Gossypium barbadense L. root as an alternative therapy for colitis: a comprehensive review with network pharmacology insights.Inflammopharmacology · 2026Review
- Sub-inhibitory concentrations of metronidazole alter the proteomic profile and biological effects of extracellular vesicles from Clostridioides difficile.BMC microbiology · 2026Article
- Phytochemistry, Biological Synthesis, and Pharmacology of Flavonoids from GenusMolecules (Basel, Switzerland) · 2026Review
- The impact of polystyrene nanoplastics on the chicken gut and liver: Based on transcriptomics and microbiomics.Poultry science · 2026Article
- Ellagic Acid Prevents Obesity in High-Fat Diet-Fed Rats by Ameliorating Oxidative Stress via Modulation of the PPARG/STAT3/p-AKT1 Axis.Foods (Basel, Switzerland) · 2026Article
- Article
- Transcriptome and microbiota analysis reveal differences in the cecum of weaning pigs in response to different dietary crude protein levels.Animal bioscience · 2026Article
- Neoepitopes at the crossroads of immunometabolism: metabolic remodeling of antigen presentation in type 1 diabetes.Frontiers in immunology · 2026Review
- Nanoparticle-Mediated PPAR Modulation of Macrophage Polarization in Radiation Enteritis: A Narrative Review.Drug design, development and therapy · 2026Review
- Gut feelings and sweet teeth: nutritional solutions to the gut damage in inflammatory bowel disease and HIV infection.Frontiers in nutrition · 2026Review
- Microbial Metabolites in Allergic Diseases: Beyond Short-Chain Fatty Acids.Current allergy and asthma reports · 2025Review
- C. difficile Infection in Colorectal Cancer: Risk Determinants, Outcomes, and Evolving Management Approaches.Journal of gastrointestinal cancer · 2025Review
- Clostridium difficile as a potent trigger of colorectal carcinogenesis.Discover oncology · 2025Review
- Targeting gut microbiota for diabetic nephropathy treatment: probiotics, dietary interventions, and fecal microbiota transplantation.Frontiers in endocrinology · 2025Review
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Authors and funding
6 authors.
Funding
Abstract
Clostridioides difficile is the leading cause of healthcare- and antibiotic-associated diarrhea. Surface layer protein A (SlpA), an essential component of the bacterium's outermost layer, contributes to colonization and inflammation. The peroxisome proliferator-activated receptor gamma (PPAR-γ) has been demonstrated to improve intestinal integrity and prevent inflammation in host cells. Here, we investigated the role of PPAR-γ in SlpA-mediated inflammation in Caco-2 cells and THP-1 derived macrophages. The extraction of SlpA was carried out for three toxigenic C. difficile clinical strains (RT126, RT001, RT084) and a non-toxigenic strain (ATCC 700057). The gene expression of tight junction (TJ) proteins and inflammatory markers was determined using RT-qPCR. The production of proinflammatory cytokines and nitric oxide was measured by ELISA and Griss reaction, respectively. Western blotting was performed to detect PPAR-γ level before and after adding its agonist, pioglitazone. SlpA of C. difficile strains enhanced the expression of TLR-4, NF-κB, MyD88, IL-17, MCP-1, IL-8, IL-6, TNF-α, IL-1β, whilst the gene expression level of JAM-A, claudin-1, occludin, PPAR-γ and its receptor (CD36) was decreased in both Caco-2 cells and THP-1 derived macrophages. Moreover, pioglitazone caused a notable elevation in the expression level of PPAR-γ, only following treatment with RT126 SlpA. Besides, pioglitazone pretreatment improved TJ impairment in Caco-2 cells and attenuated proinflammatory cytokine expression in both SlpA-treated cell lines. SlpA can attenuate PPAR-γ expression, trigger TJ disruption, and stimulate inflammatory response in host cells. Notably, these events could be reversed by pretreatment of cells with PPAR-γ agonist. Further experiments are required to corroborate the present findings.
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