Alteration of Fungal Microbiota After 5-ASA Treatment in UC Patients (original) (raw)
Journal Article
Department of Gastroenterology, Peking University People's Hospital
, Xicheng District, Beijing,
China
Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital
, Xicheng District, Beijing,
China
Institute of Clinical Molecular Biology & Central Laboratory, Peking University People's Hospital
, Xicheng District, Beijing,
China
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Department of Gastroenterology, Peking University People's Hospital
, Xicheng District, Beijing,
China
Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital
, Xicheng District, Beijing,
China
Search for other works by this author on:
Department of Gastroenterology, Peking University People's Hospital
, Xicheng District, Beijing,
China
Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital
, Xicheng District, Beijing,
China
Search for other works by this author on:
Department of Gastroenterology, Peking University People's Hospital
, Xicheng District, Beijing,
China
Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital
, Xicheng District, Beijing,
China
Search for other works by this author on:
Institute of Clinical Molecular Biology & Central Laboratory, Peking University People's Hospital
, Xicheng District, Beijing,
China
Search for other works by this author on:
Department of Gastroenterology, Peking University People's Hospital
, Xicheng District, Beijing,
China
Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital
, Xicheng District, Beijing,
China
Search for other works by this author on:
Department of Gastroenterology, Peking University People's Hospital
, Xicheng District, Beijing,
China
Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital
, Xicheng District, Beijing,
China
Search for other works by this author on:
Department of Gastroenterology, Peking University People's Hospital
, Xicheng District, Beijing,
China
Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital
, Xicheng District, Beijing,
China
Address correspondence to: Liu Yulan, MD, PhD, No. 11, Xizhimen South Street, Xicheng District, 100044 Beijing, China ([email protected]).
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Editorial decision:
17 August 2019
Published:
21 November 2019
Cite
Xu Jun, Chen Ning, Song Yang, Wu Zhe, Wu Na, Zhang Yifan, Ren Xinhua, Liu Yulan, Alteration of Fungal Microbiota After 5-ASA Treatment in UC Patients, Inflammatory Bowel Diseases, Volume 26, Issue 3, March 2020, Pages 380–390, https://doi.org/10.1093/ibd/izz207
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Abstract
The effect of treatment regimens on fungal microbiota is unclear in ulcerative colitis (UC) patients. Here, we aimed to clarify the effect of 5-aminosalicylic acid (5-ASA) treatment on gut fungal microbiota in UC patients. Fifty-seven UC patients, including 20 treatment-naïve and 37 5-ASA-treated, were recruited into an exploration study. We compared the gut fungal profiles of these 2 groups of patients using ITS1-2 rDNA sequencing. Ten out of 20 treatment-naïve UC patients were followed up and enrolled for a validation study and underwent a 5-ASA treatment. We assessed the longitudinal differences of fungal microbiota in these patients before and after 5-ASA treatment. Results acquired from the validation study were accordant to those from the exploration study. Ascomycota was the dominant phylum in both noninflamed and inflamed mucosae. At the phylum level, Ascomycota decreased in inflamed mucosae before 5-ASA treatment. At the genus level, pathogens such as Scytalidium, Morchella, and Paecilomyces increased, and Humicola and Wickerhamomyces decreased in inflamed mucosae. After 5-ASA treatment, Ascomycota and Wickerhamomyces increased and Scytalidium, Fusarium, Morchella, and Paecilomyces decreased in both noninflamed and inflamed mucosae. Additionally, the balanced bacteria–fungi correlation was interrupted in inflamed mucosae, and 5-ASA treatment altered group-specific fungal microbiota and restored bacteria–fungi correlation in UC patients. Our results demonstrated that fungal diversity and composition were altered and the bacteria–fungi correlation was restored in inflamed mucosae after 5-ASA treatment.
© 2019 Crohn’s & Colitis Foundation. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: [email protected].
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