医学
白塞病
皮肤病科
内科学
疾病
白塞病
菌群(微生物学)
胃肠病学
作者
Javzandulam Balt,Osamu Uehara,Yoshihiro Abiko,Baasankhuu Jamyanjav,Sarantuya Jav,Toshiyuki Nagasawa,Mari Mori,Yukihiro Horie,Mari Fujita,Anton Lennikov,Tohru Ohta,Miki Hiraoka,Daiju Iwata,Kenichi Namba,Shigeaki Ohno,Nobuyoshi Kitaichi
出处
期刊:Clinical and Experimental Rheumatology
日期:2020-12-10
卷期号: (5): 80-85
摘要
Objectives Behcet's disease (BD) is characterised by repeated acute inflammatory attacks with aphthous ulcers of the oral mucosa, uveitis of the eyes, skin symptoms, and genital ulcers. Although its aetiology is still unknown, there is evidence of the involvement of oral bacteria in systemic diseases. Various types of oral bacteria may be involved in the development and progression of BD. The present study investigated alterations in the oral flora of patients with BD in Mongolia. We collected saliva samples from the Mongolian BD group and healthy control (HC) group, and the oral flora were analysed using next-generation sequencer (NGS). Methods DNA was extracted from the unstimulated saliva samples from the 47 BD and 48 HC subjects. The DNA was amplified from the V3-V4 region of 16S rRNA using PCR, and the data were acquired using NGS. Based on the obtained data, we analysed the alpha diversity, beta diversity, and bacterial taxonomy of the salivary flora. Results Beta diversity differed significantly between the BD and HC flora, but no significant differences were observed in alpha diversity. We found that the proportions of three genera - an S24-7 family unknown species, a mitochondria family unknown species, and Akkermansia species associated with IL-10 production - were significantly lower in the BD than in the HC group. Conclusions The reduced proportions of the S24-7 family and symbiotic Akkermansia species may be key phenomena in the oral flora of patients with BD.
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