{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T19:18:27Z","timestamp":1790882307982,"version":"4.1.0"},"reference-count":93,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,2,23]],"date-time":"2026-02-23T00:00:00Z","timestamp":1771804800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["ebm-journal.org"],"crossmark-restriction":true},"short-container-title":["Exp. Biol. Med."],"abstract":"<jats:p>Current therapies slow down advanced features but do not halt or reverse degeneration and neovascularization in dry and wet age-related macular degeneration (AMD). Recent research implicates the gastrointestinal microbiome as a potential critical modulator in AMD pathogenesis through the gut-retina axis. Dysbiosis, characterized by imbalanced microbial diversity, composition and function, can exacerbate systemic and retinal inflammation through microglial priming, inflammasome activation, and secretion of pro-angiogenic cytokines (IL-6, IL-1\u03b2, TNF-\u03b1, VEGF). Additionally, microbiome-derived metabolites such as short-chain fatty acids and bile acids may exert modulatory roles in host immunity and homeostasis. Their depletion in conjunction with enrichment of specific microbial taxa have been linked to progression of advanced AMD. Together, these complex systems of immune crosstalk in relation to dysbiosis highlight the gut-retina axis as a promising therapeutic target. Dietary modifications, particularly Mediterranean and high-fiber diets, enhance production of protective metabolites and are associated with decreased AMD progression risk compared to Western dietary patterns. Experimental strategies such as fecal microbiota transplantation in animal models and drug repurposing strategies show promise in modulating disease severity. This review synthesizes current mechanistic insights into microbial-immune crosstalk in AMD, emphasizing the interplay of dysbiosis, immune activation, and metabolite signaling.<\/jats:p>","DOI":"10.3389\/ebm.2026.10847","type":"journal-article","created":{"date-parts":[[2026,2,23]],"date-time":"2026-02-23T06:10:14Z","timestamp":1771827014000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":3,"title":["The gut-retina axis in age-related macular degeneration: immune crosstalk and metabolite production"],"prefix":"10.3389","volume":"251","author":[{"given":"Beryl","family":"Zhou","sequence":"first","affiliation":[{"name":"Pritzker School of Medicine, University of Chicago","place":["Chicago, IL, United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zaid","family":"Parekh","sequence":"additional","affiliation":[{"name":"Pritzker School of Medicine, University of Chicago","place":["Chicago, IL, United 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