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©The Author(s) 2025.
World J Gastroenterol. Dec 28, 2025; 31(48): 111301
Published online Dec 28, 2025. doi: 10.3748/wjg.v31.i48.111301
Figure 3
Figure 3 Gut-brain axis comparison between healthy individuals and Alzheimer's disease patients with inflammatory bowel disease. Healthy individuals maintain intact blood-brain barrier (BBB), balanced neurotransmitters, and diverse gut microbiota, while Alzheimer’s disease patients with inflammatory bowel disease exhibit disrupted BBB, neuroinflammation, dysbiosis, and reduced short-chain fatty acids. SCFAs: Short-chain fatty acids; GABA: γ-aminobutyric acid.


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