Stroke-induced gut microbiome dysbiosis accelerates Alzheimer's disease progression.

Results Stroke donor microbiota exhibits reduced diversity and dysbiosis signatures Simpson alpha diversity, reflecting microbial richness and evenness, was modestly lower in stroke donors (SD; 0.92 ± 0.04) compared with healthy donors (HD; 0.95 ± 0.02), although this difference did not reach statistical significance (mean difference = 0.025; 95% CI: −0.015 to 0.064; p = 0.19; Figure 2(a) ).

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