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Diet–Microbiome–Immune Crosstalk in Mice | ||
| Al-Qadisiyah Journal of Veterinary Medicine Sciences | ||
| Volume 24, Special Issue ( 3 ) The 1st National and International Scientific Conference November 26 / 2025, January 2026, Pages 76-81 PDF (392.7 K) | ||
| Document Type: Al-Qadisiyah Conference 2025 | ||
| DOI: 10.29079/qjvms.2025.166156.1127 | ||
| Authors | ||
| Hussein I. Kareem1; Ali Hassan Daghir Janabi* 2 | ||
| 1Department of Veterinary Microbiology, College of Veterinary Medicine, University of Al-Qadisiyah, Iraq | ||
| 2Department of Microbiology, College of veterinary medicine, University of Al-Qadisiyah, Al-Diwaniyah City, Iraq | ||
| Abstract | ||
| The microbiome steers mucosal and systemic immunity. Recent mouse and translational studies are connecting nutrients to barrier control and immune tone. High fat diets increase permeability, endotoxemia, and inflammation. Fiber and prebiotics enrich immune tolerant, short-chain-fatty-acid producers. Bile acids act as microbes and host signals. Polyphenols restructure communities and lower pro-inflammatory signals. Specific strains and humanized communities allow testing of causal relationships. Purified diets reduce variability and increase reproducibility. Modern analytics delineate the diet, metabolite, and immune response triad. They include metagenomics, metatranscriptomics, targeted metabolomics, and flow cytometry. Protocols now align feeding schedules with sampling periods to capture early immune shifts and microbial changes. It suggests employing precise diets and tracking microbial metabolites over time. Immune responses should be evaluated with specific assays. The intestinal barrier must be protected and reinforced. High fiber and polyphenol diets are preferable. Type of fat and bile-acid signals deserve scrutiny. For causal questions, gnotobiotic and humanized models are the most dependable. Combined, multi-omics tools and immune phenotyping should be used. Versions of code and protocol need to be published. These increase strength and reproducibility of studies on diet, microbiome, and immune associations. They assist in the translational progression of laboratory data towards both preventive and therapeutic applications. | ||
| Keywords | ||
| bile acids; diet; gut microbiome; immunity; short-chain fatty acids | ||
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