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Therapeutic interventions targeting the microbiome in PWH. Left panel: GALT immune function and HIV disruption: healthy conditions, complex microbiome and balanced immune response in the GALT; HIV effects, altered microbiome, damaged enterocyte barrier, increased bacterial translocation, CD4 T-cell loss, CD8 T-cell expansion, neutrophil infiltration, local and systemic inflammation. Right panel: Intervention strategies and future directions: diet and prebiotics, Mediterranean diet and prebiotics promote growth of beneficial bacteria; probiotics, targeted addition of beneficial bacteria; FMT, replacing patient’s microbiota with a donor’s healthy microbiome; current state of evidence, interventions potentially reduce inflammation but lack sufficient clinical backing for recommendation; research prospects, future studies aim to produce targeted microbial consortia or postbiotics with heightened precision and efficacy

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