- Microbiota
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Relationship between the gut microbiota and bile acid composition in the ileal mucosa of Crohn’s disease
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Shigeki Bamba, Osamu Inatomi, Atsushi Nishida, Masashi Ohno, Takayuki Imai, Kenichiro Takahashi, Yuji Naito, Junichi Iwamoto, Akira Honda, Naohiro Inohara, Akira Andoh
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Intest Res 2022;20(3):370-380. Published online May 14, 2021
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DOI: https://doi.org/10.5217/ir.2021.00054
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 Abstract
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- Background/Aims
Crosstalk between the gut microbiota and bile acid plays an important role in the pathogenesis of gastrointestinal disorders. We investigated the relationship between microbial structure and bile acid metabolism in the ileal mucosa of Crohn’s disease (CD).
Methods
Twelve non-CD controls and 38 CD patients in clinical remission were enrolled. Samples were collected from the distal ileum under balloon-assisted enteroscopy. Bile acid composition was analyzed by liquid chromatography-mass spectrometry. The gut microbiota was analyzed by 16S rRNA gene sequencing.
Results
The Shannon evenness index was significantly lower in endoscopically active lesions than in non-CD controls. β-Diversity, evaluated by the UniFrac metric, revealed a significant difference between the active lesions and non-CD controls (P=0.039). The relative abundance of Escherichia was significantly higher and that of Faecalibacterium and Roseburia was significantly lower in CD samples than in non-CD controls. The increased abundance of Escherichia was more prominent in active lesions than in inactive lesions. The proportion of conjugated bile acids was significantly higher in CD patients than in non-CD controls, but there was no difference in the proportion of primary or secondary bile acids. The genera Escherichia and Lactobacillus were positively correlated with the proportion of conjugated bile acids. On the other hand, Roseburia, Intestinibacter, and Faecalibacterium were negatively correlated with the proportion of conjugated bile acids.
Conclusions
Mucosa-associated dysbiosis and the alteration of bile acid composition were identified in the ileum of CD patients. These may play a role in the pathophysiology of ileal lesions in CD patients.
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Citations
Citations to this article as recorded by  - hUCMSCs Regulate Bile Acid Metabolism to Prevent Heart Failure–Induced Intestinal Injury by Inhibiting the Activation of the STAT3/NF‐κB/MAPK Signaling Pathway via TGR5
Zetian Wang, Wei Luo, Qing Wang, Chunzheng Liu, Yanshan Gong, Baitian Li, Xuejiao Zeng, Jiaqi Lin, Zehua Su, Xin Li, Yongze Yu, Zhongmin Liu, Ling Gao, Lijun Liao
Food Frontiers.2025; 6(1): 575. CrossRef - Effect of Probiotics on Improving Intestinal Mucosal Permeability and Inflammation after Surgery
Min-Jae Kim, Young Ju Lee, Zahid Hussain, Hyojin Park
Gut and Liver.2025; 19(2): 207. CrossRef - A critical review on inflammatory bowel diseases risk factors, dietary nutrients regulation and protective pathways based on gut microbiota during recent 5 years
Pengkui Xia, Tao Hou, Hong Jin, Yaqi Meng, Jing Li, Fuchao Zhan, Fang Geng, Bin Li
Critical Reviews in Food Science and Nutrition.2024; 64(24): 8805. CrossRef - Gut microbiota disparities between active Crohn's disease and healthy controls: A global systematic review
Rupa Tharu, Geetika Malik Ahlawat, Savitesh Kushwaha, Poonam Khanna
Clinical Epidemiology and Global Health.2024; 25: 101497. CrossRef - Gut microbes improve prognosis of Klebsiella pneumoniae pulmonary infection through the lung-gut axis
Yuxiu Tang, Liquan Chen, Jin Yang, Suqing Zhang, Jun Jin, Yao Wei
Frontiers in Cellular and Infection Microbiology.2024;[Epub] CrossRef - Integrated Analysis of Microbiome and Metabolome Reveals Disease-Specific Profiles in Inflammatory Bowel Diseases and Intestinal Behçet’s Disease
Yehyun Park, Jae Bum Ahn, Da Hye Kim, I Seul Park, Mijeong Son, Ji Hyung Kim, Hyun Woo Ma, Seung Won Kim, Jae Hee Cheon
International Journal of Molecular Sciences.2024; 25(12): 6697. CrossRef - Gut Bacterial Composition and Nutritional Implications in Mexican and Spanish Individuals with Inflammatory Bowel Disease Compared to Healthy Controls
Ricardo García-Gamboa, Osiris Díaz-Torres, Misael Sebastián Gradilla-Hernández, Vicente Pérez-Brocal, Andrés Moya, Marisela González-Avila
International Journal of Molecular Sciences.2024; 25(22): 11887. CrossRef - Bile acid–induced metabolic changes in the colon promote Enterobacteriaceae expansion and associate with dysbiosis in Crohn’s disease
Ravi Holani, Haggai Bar-Yoseph, Zakhar Krekhno, Antonio Serapio-Palacios, Kyung-Mee Moon, Richard G. Stacey, Katherine A. Donald, Wanyin Deng, Brian Bressler, Armando A. Magaña, Leonard J. Foster, Michael G. Atser, James D. Johnson, Barton Finlay
Science Signaling.2024;[Epub] CrossRef - Compositional changes in fecal microbiota associated with clinical phenotypes and prognosis in Korean patients with inflammatory bowel disease
Seung Yong Shin, Young Kim, Won-Seok Kim, Jung Min Moon, Kang-Moon Lee, Sung-Ae Jung, Hyesook Park, Eun Young Huh, Byung Chang Kim, Soo Chan Lee, Chang Hwan Choi
Intestinal Research.2023; 21(1): 148. CrossRef - Meta-Analysis Reveals Compositional and Functional Microbial Changes Associated with Osteoporosis
Oluwamayowa S. Akinsuyi, Luiz F. W. Roesch, Olubukola Oluranti Babalola
Microbiology Spectrum.2023;[Epub] CrossRef - Crohn’s disease: Why the ileum?
Nicolas Richard, Guillaume Savoye, Mathilde Leboutte, Asma Amamou, Subrata Ghosh, Rachel Marion-Letellier
World Journal of Gastroenterology.2023; 29(21): 3222. CrossRef - The Emerging Role of Raman Spectroscopy as an Omics Approach for Metabolic Profiling and Biomarker Detection toward Precision Medicine
Gabriel Cutshaw, Saji Uthaman, Nora Hassan, Siddhant Kothadiya, Xiaona Wen, Rizia Bardhan
Chemical Reviews.2023; 123(13): 8297. CrossRef - Current insights on the roles of gut microbiota in inflammatory bowel disease-associated extra-intestinal manifestations: pathophysiology and therapeutic targets
Yizhe Tie, Yongle Huang, Rirong Chen, Li Li, Minhu Chen, Shenghong Zhang
Gut Microbes.2023;[Epub] CrossRef - Comments on Efficacy of a Synbiotic Containing Lactobacillus paracasei DKGF1 and Opuntia humifusa in Elderly Patients with Irritable Bowel Syndrome: A Randomized, Double-Blind, Placebo-Controlled Trial
Kwang Woo Kim
Gut and Liver.2023; 17(6): 954. CrossRef - Evaluation of gut dysbiosis using serum and fecal bile acid profiles
Tadakuni Monma, Junichi Iwamoto, Hajime Ueda, Makoto Tamamushi, Fumio Kakizaki, Naoki Konishi, Shoichiro Yara, Teruo Miyazaki, Takeshi Hirayama, Tadashi Ikegami, Akira Honda
World Journal of Clinical Cases.2022; 10(34): 12484. CrossRef - Microbial Modulation in Inflammatory Bowel Diseases
Jongwook Yu, Jae Hee Cheon
Immune Network.2022;[Epub] CrossRef
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- Endoscopy
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Prototype single-balloon enteroscopy with passive bending and high force transmission improves depth of insertion in the small intestine
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Yasuhiro Morita, Shigeki Bamba, Osamu Inatomi, Kenichiro Takahashi, Takayuki Imai, Masaki Murata, Masashi Ohno, Masaya Sasaki, Tomoyuki Tsujikawa, Akira Andoh
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Intest Res 2020;18(2):229-237. Published online April 9, 2020
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DOI: https://doi.org/10.5217/ir.2019.09150
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Abstract
PDFSupplementary MaterialPubReaderePub
- Background/Aims
We retrospectively analyzed Crohn’s disease (CD) patients with small intestinal strictures who underwent single-balloon enteroscopy (SBE) to ascertain whether prototype SBEs with a passive bending mechanism and high force transmission insertion tube had better insertability in the small intestine than a conventional SBE.
Methods
Among 253 CD patients who underwent SBE, we identified 94 CD patients who had undergone attempted endoscopic balloon dilatation (EBD) for small intestinal stenosis for inclusion in this study. We analyzed whether the type of scope used for their initial procedure affected the cumulative surgery-free rate. For the insertability analysis, patients who underwent SBE at least twice were divided into 3 groups according to the type of scope used: conventional SBE only, prototype SBE only, and both conventional and prototype SBEs. For each group, depth of insertion, procedure time, and number of EBDs were compared in the same patient at different time points.
Results
The success rate of EBD was 88.3%. The 5- and 10-year cumulative surgery-free rate was 75.7% and 72.8%, respectively. Cox regression analysis indicated that the factors contributing to surgery were long stricture (≥2 cm), EBD failure, and elevated Crohn’s Disease Activity Index, but not the type of scope used for EBD. The prototype SBEs significantly improved the depth of insertion (P=0.03, Wilcoxon’s signed-rank test).
Conclusions
In CD patients with small intestinal stenosis, the prototype SBEs with a passive bending mechanism and high force transmission insertion tube did not improve long-term EBD outcome but did improve deep insertability. (Clinical Trial Registration No. UMIN000037102)
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Citations
Citations to this article as recorded by - Leucine-rich alpha-2 glycoprotein as a superior biomarker to C-reactive protein for detecting small bowel lesions in Crohn’s disease
Masashi Ohno, Atsushi Nishida, Akinori Otsuki, Yoshihiro Yokota, Takayuki Imai, Shigeki Bamba, Osamu Inatomi
World Journal of Gastrointestinal Endoscopy.2025;[Epub] CrossRef - Role of Device-Assisted Enteroscopy in Crohn’s Disease
Giulia Catassi, Clelia Marmo, Antonio Gasbarrini, Maria Elena Riccioni
Journal of Clinical Medicine.2024; 13(13): 3919. CrossRef - Performance of Balloon-Assisted Enteroscopy for Non-ERCP Indications in Patients with Surgically Altered Gastrointestinal Anatomy
Ji Hee Song, Seong Ran Jeon, Jin Su Kim, Bo-In Lee, Jin-Oh Kim, Han Hee Lee
Digestive Diseases and Sciences.2023; 68(6): 2545. CrossRef - Rebleeding Rate and Risk Factors for Rebleeding after Device-Assisted Enteroscopy in Patients with Obscure Gastrointestinal Bleeding: A KASID Multicenter Study
Yuna Kim, Jae-Hyun Kim, Eun-Ae Kang, Soo-Jung Park, Jae-Jun Park, Jae-Hee Cheon, Tae-Il Kim, Jihye Park, Seong-Ran Jeon
Diagnostics.2022; 12(4): 954. CrossRef - Intestinal stricture in Crohn's disease: A 2020 update
Xiao Xuan Lin, Yun Qiu, Xiao Jun Zhuang, Fen Liu, Xiao Min Wu, Min Hu Chen, Ren Mao
Journal of Digestive Diseases.2021; 22(7): 390. CrossRef - Factors Affecting Route Selection of Balloon-Assisted Enteroscopy in Patients with Obscure Gastrointestinal Bleeding: A KASID Multicenter Study
Dong Hoon Baek, Seonyeong Hwang, Chang Soo Eun, Seong Ran Jeon, Jinsu Kim, Eun Ran Kim, Dong-Hoon Yang, Hyun Joo Jang, Jong Pil Im, Soo Jung Park, Sung Hoon Jung
Diagnostics.2021; 11(10): 1860. CrossRef
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