| Alleviation of DSS-induced colitis via Lactobacillus acidophilus treatment in mice | |
|---|---|
| 년도 | 2021 |
| 날짜 | 2021 Jan 7 |
| 페이지 / 학회지명 |
12(1):340-350 / Food and Function |
| 논문저자 | Woon-Ki Kim 1, Dae Hee Han 2, You Jin Jang 2, SungJun Park 3, Sung Jae Jang 4, Giljae Lee 2, Hyuk Seung Han 2, GwangPyo Ko 5 |
| Link |
https://pubs.rsc.org/en/content/articlelanding/2021/FO/D0FO01724H
139회 연결
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2 Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea. gko@snu.ac.kr. 3 Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea. gko@snu.ac.kr and N-Bio, Seoul National University, Seoul, Republic of Korea and KoBioLabs, Inc., Seoul, Republic of Korea. 4 Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea. gko@snu.ac.kr and KoBioLabs, Inc., Seoul, Republic of Korea. 5 Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea. gko@snu.ac.kr and Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea and N-Bio, Seoul National University, Seoul, Republic of Korea and KoBioLabs, Inc., Seoul, Republic of Korea and Center for Human and Environmental Microbiome, Seoul National University, Seoul, Republic of Korea. Abstract Gut microbiota play a major role in host physiology and immunity. Inflammatory bowel diseases (IBDs), the important immune-related diseases, can occur through immune system malfunction originating due to dysregulation of the gut microbiota. The aim of this study was to investigate the capabilities and mechanisms of Lactobacillus acidophilus (L. acidophilus) KBL402 and KBL409 treatment in the alleviation of colitis using the in vivo dextran sodium sulfate (DSS)-induced colitis mice model. Various colitis symptoms of mice, including disease activity index score [4.55 ± 0.99 (P < 0.001) and 5.12 ± 0.94 (P < 0.001), respectively], colon length [6.18 ± 0.43 mm (P < 0.001) and 6.62 ± 0.47 mm (P < 0.001), respectively], and colon histological score [(5.33 ± 1.03 (P < 0.001) and 4.00 ± 0.89 (P < 0.01), respectively)], were significantly restored with L. acidophilus KBL402 or KBL409 administration (1 × 109 colony-forming units) for 8 days. Moreover, inflammatory cytokines, chemokines, and myeloperoxidase were downregulated in mice with L. acidophilus treatment. Upregulation of anti-inflammatory cytokine IL-10 or regulatory T cells were discovered with L. acidophilus KBL402 (12.90 ± 7.87 pg mL-1) (P < 0.05) or L. acidophilus KBL409 treatment (10.63 ± 2.70%) (P < 0.05), respectively. Expressions of inflammation-related micro-RNAs (miRs) were also significantly altered in mice with L. acidophilus. Finally, L. acidophilus treatment could restore the diversity of the gut microbiota. Mice with L. acidophilus KBL402 treatment showed a high relative abundance of the genus Akkermansia (0.022 ± 0.017) and Prevotella (0.010 ± 0.006) (P < 0.01). Butyrate and propionate, the major short-chain fatty acids, in the ceca of DSS + KBL402-treated mice were significantly higher than in that of the mice with DSS-induced colitis (0.03 ± 0.02 ng mg-1 and 0.03 ± 0.01 ng mg-1, respectively) (P < 0.05). Our study suggests that L. acidophilus KBL402 and KBL409 could be useful for the prevention or treatment of IBDs in various ways including the modulation of immune responses and miR expression, restoration of the gut microbiota, and production of metabolites. |
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