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논문 기본 정보

자료유형
학술저널
저자정보
Hee Jin Son (Seoul National University College of Medicine Seoul) 김나영 (서울대학교) Chin-Hee Song (Seoul National University Bundang Hospital) Ryoung Hee Nam (Seoul National University Bundang Hospital) Soo In Choi (Seoul National University Bundang Hospital) 김주성 (서울대학교) 이동호 (서울대학교)
저널정보
대한암예방학회 대한암예방학회지 대한암예방학회지 제24권 제3호
발행연도
2019.1
수록면
173 - 182 (10page)

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Background: Gut microbiota is closely associated with development and exacerbation of inflammatory bowel diseases (IBD). The aim of this study was to investigate differences in gut microbiota depending on sex and changes of gut microbiota during IBD developments. Methods: 16s rRNA metagenomic sequencing was performed for fecal materials from 8-week-old wild type (WT) and interleukin 10 (IL-10) knockout (KO) C57BL/6 mice of both sexes. Diversity indices, relative abundance of microbiota, and linear discriminant analysis effect size were examined to compare microbial communities between groups. Clustering of groups was performed by principal coordinates analysis (PCoA) and unweighted pair group method with arithmetic mean (UPGMA). Functional capabilities of microbiota were estimated using phylogenetic investigation of communities by reconstruction of unobserved states (PICRUSt) based on Kyoto Encyclopedia of Genes and Genomes database. Results: PCoA and UPGMA tree analysis of beta-diversity demonstrated significant differences in gut microbiota between male and female groups of WT mice, but not of IL-10 KO mice. Firmicutes to Bacteroides ratio was higher in male group than that in female group in both WT mice and IL-10 KO mice. Phylum Proteobacteria significantly increased in female IL-10 KO mice than that in female WT mice. At species level, Lactobacillus murinus, Bacteroides acidifaciens, and Helicobacter hepaticus significantly increased in IL-10 KO mice than in WT mice. The relative abundance of beta-glucuronidase (K01195) was higher in female IL-10 KO mice than that in female WT mice by PICRUSt. Conclusions: Our results suggest that microbiota-host interactions might differ between sexes during development of IBD. (J Cancer Prev 2019;24:173-182)

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