Změny střevního mikrobiomu u pacientů s idiopatickými střevními záněty

Schierová, Dagmar

(EN) Microbes have coevolved with humans forming symbiotic communities that constantly challenge the immune system and, when imbalanced, could lead to diseases like inflammatory bowel disease (IBD). Patients with IBD suffer from microbial dysbiosis and chronic inflammation which could be potentiated by immune system reaction to the commensal microbiota. In the research presented here, firstly I have focused on the description of the gut and skin microbiome from patients with IBD and secondly, I investigated the process of antimicrobial defense. Patients with IBD on two different biological therapies targeting TNFα, IL-12 and IL-23 cytokines were tracked for changes in their gut and skin microbiome features. Although, neither differences in gut microbial diversity nor composition were linked with the progression of the therapies, an increased similarity to the healthy control group at week 38 of anti-TNFα therapy was found. This shift in microbiome could be considered beneficial and could be attributed to the inflammation reducing effect of the therapy. While analyzing the microbiome features, various patient characteristics were taken into account and the sources microbiome of variability were uncovered, out of which the interindividual variability stood out the most. Regarding the skin microbiome,...

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