Journal
MICROORGANISMS
Volume 9, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/microorganisms9071449
Keywords
Behcet's disease; dysbiosis; microbiome; recurrent aphthous stomatitis; saliva; stool
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Funding
- National Research Foundation of Korea (NRF) - Korea government [2019R1A2C2003577]
- National Research Foundation of Korea [2019R1A2C2003577] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The study revealed a correlation between the composition of microbiome in Behcet's disease patients and disease activity and symptoms, suggesting a potential role of gut microbiome in the pathogenesis of BD. Active BD patients showed distinct fecal microbiome composition compared to inactive patients and healthy controls.
The human microbiome plays an important role in various diseases, including Behcet's disease (BD). However, the effects of disease activity and covariates influencing the microbial composition have not yet been investigated. Therefore, we investigated the fecal and salivary microbiomes of BD patients compared to those of recurrent aphthous ulcer (RAU) patients, as well as dietary habit-matched healthy controls (HCs) selected from immediate family members using 16S rRNA gene sequencing. The fecal microbiome alpha diversity of BD patients was not different from that of their matched HCs, although it was higher than that of unrelated HCs and decreased in BD patients with disease activity. A tendency toward clustering in the beta diversity of the fecal microbiome was observed between the active BD patients and their matched HCs. Active BD patients had a significantly higher abundance of fecal Bacteroides uniformis than their matched HCs and patients with the disease in an inactive state (p = 0.038). The abundance of salivary Rothia mucilaginosa group was higher in BD patients than in RAUs patients. BD patients with uveitis had different abundances of various taxa, compared to those without uveitis. Our results showed an association of fecal microbiome composition with BD disease activity and symptoms, suggesting the possible role of the gut microbiome in BD pathogenesis.
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