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Hertz S, Anderson JM, Nielsen HL, Schachtschneider C, McCauley KE, Özçam M, Larsen L, Lynch SV, Nielsen H. Fecal microbiota is associated with extraintestinal manifestations in inflammatory bowel disease. Ann Med 2024; 56:2338244. [PMID: 38648495 PMCID: PMC11036898 DOI: 10.1080/07853890.2024.2338244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 03/17/2024] [Indexed: 04/25/2024] Open
Abstract
INTRODUCTION A large proportion of patients with inflammatory bowel disease (IBD) experience IBD-related inflammatory conditions outside of the gastrointestinal tract, termed extraintestinal manifestations (EIMs) which further decreases quality of life and, in extreme cases, can be life threatening. The pathogenesis of EIMs remains unknown, and although gut microbiota alterations are a well-known characteristic of patients with IBD, its relationship with EIMs remains sparsely investigated. This study aimed to compare the gut microbiota of patients with IBD with and without EIMs. METHODS A total of 131 Danish patients with IBD were included in the study, of whom 86 had a history of EIMs (IBD-EIM) and 45 did not (IBD-C). Stool samples underwent 16S rRNA sequencing. Amplicon sequence variants (ASVs) were mapped to the Silva database. Diversity indices and distance matrices were compared between IBD-EIM and IBD-C. Differentially abundant ASVs were identified using a custom multiple model statistical analysis approach, and modules of co-associated bacteria were identified using sparse correlations for compositional data (SparCC) and related to patient EIM status. RESULTS Patients with IBD and EIMs exhibited increased disease activity, body mass index, increased fecal calprotectin levels and circulating monocytes and neutrophils. Microbiologically, IBD-EIM exhibited lower fecal microbial diversity than IBD-C (Mann-Whitney's test, p = .01) and distinct fecal microbiota composition (permutational multivariate analysis of variance; weighted UniFrac, R2 = 0.018, p = .01). A total of 26 ASVs exhibited differential relative abundances between IBD-EIM and IBD-C, including decreased Agathobacter and Blautia and increased Eggerthella lenta in the IBD-EIM group. SparCC analysis identified 27 bacterial co-association modules, three of which were negatively related to EIM (logistic regression, p < .05) and included important health-associated bacteria, such as Agathobacter and Faecalibacterium. CONCLUSIONS The fecal microbiota in IBD patients with EIMs is distinct from that in IBD patients without EIM and could be important for EIM pathogenesis.
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Affiliation(s)
- Sandra Hertz
- Department of Infectious Diseases, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
- Department of Medicine, Division of Gastroenterology, University of California San Francisco, San Francisco, CA, USA
| | - Jacqueline Moltzau Anderson
- Department of Medicine, Division of Gastroenterology, University of California San Francisco, San Francisco, CA, USA
| | - Hans Linde Nielsen
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
- Department of Clinical Microbiology, Aalborg University Hospital, Aalborg, Denmark
| | - Claire Schachtschneider
- Department of Medicine, Division of Gastroenterology, University of California San Francisco, San Francisco, CA, USA
| | - Kathryn E. McCauley
- Department of Medicine, Division of Gastroenterology, University of California San Francisco, San Francisco, CA, USA
| | - Mustafa Özçam
- Department of Medicine, Division of Gastroenterology, University of California San Francisco, San Francisco, CA, USA
| | - Lone Larsen
- Department of Gastroenterology, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Center for Molecular Prediction of Inflammatory Bowel Disease, PREDICT, Aalborg University, Aalborg, Denmark
| | - Susan V. Lynch
- Department of Medicine, Division of Gastroenterology, University of California San Francisco, San Francisco, CA, USA
| | - Henrik Nielsen
- Department of Infectious Diseases, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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Yan J, Zeng Y, Guan Z, Li Z, Luo S, Niu J, Zhao J, Gong H, Huang T, Li Z, Deng A, Wen Q, Tan J, Jiang J, Bao X, Li S, Sun G, Zhang M, Zhi M, Yin Z, Sun WY, Li YF, He RR, Cao G. Inherent preference for polyunsaturated fatty acids instigates ferroptosis of Treg cells that aggravates high-fat-diet-related colitis. Cell Rep 2024; 43:114636. [PMID: 39154340 DOI: 10.1016/j.celrep.2024.114636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Revised: 07/12/2024] [Accepted: 07/30/2024] [Indexed: 08/20/2024] Open
Abstract
Inflammatory bowel disease (IBD) has high prevalence in Western counties. The high fat content in Western diets is one of the leading causes for this prevalence; however, the underlying mechanisms have not been fully defined. Here, we find that high-fat diet (HFD) induces ferroptosis of intestinal regulatory T (Treg) cells, which might be the key initiating step for the disruption of immunotolerance and the development of colitis. Compared with effector T cells, Treg cells favor lipid metabolism and prefer polyunsaturated fatty acids (PUFAs) for the synthesis of membrane phospholipids. Therefore, consumption of HFD, which has high content of PUFAs such as arachidonic acid, cultivates vulnerable Tregs that are fragile to lipid peroxidation and ferroptosis. Treg-cell-specific deficiency of GPX4, the key enzyme in maintaining cellular redox homeostasis and preventing ferroptosis, dramatically aggravates the pathogenesis of HFD-induced IBD. Taken together, these studies expand our understanding of IBD etiology.
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Affiliation(s)
- Junjie Yan
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University), Jinan University, Zhuhai 519000, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou 510632, China; Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou 510632, China
| | - Yingying Zeng
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University), Jinan University, Zhuhai 519000, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou 510632, China; Department of Laboratory Medicine, Nanfang Hospital Baiyun Branch, Southern Medical University, Guangzhou 510420, China
| | - Zerong Guan
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University), Jinan University, Zhuhai 519000, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou 510632, China; Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou 510632, China
| | - Zhenhua Li
- Department of Systems Biomedical Sciences, School of Medicine, Jinan University, Guangzhou, China
| | - Shunchang Luo
- Department of Pediatrics, the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jie Niu
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China
| | - Junzhang Zhao
- Department of Gastroenterology, the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510632, China
| | - Haibiao Gong
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China
| | - Ting Huang
- Department of Clinical Pathology, the First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - Zhongzhen Li
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University), Jinan University, Zhuhai 519000, China
| | - Anyi Deng
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University), Jinan University, Zhuhai 519000, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou 510632, China; Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou 510632, China
| | - Qiong Wen
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University), Jinan University, Zhuhai 519000, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou 510632, China; Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou 510632, China
| | - Jingyi Tan
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University), Jinan University, Zhuhai 519000, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou 510632, China; Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou 510632, China
| | - Jun Jiang
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University), Jinan University, Zhuhai 519000, China
| | - Xiucong Bao
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Sitao Li
- Department of Pediatrics, the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Guodong Sun
- Guangdong Provincial Key Laboratory of Spine and Spinal Cord Reconstruction, The Fifth Affiliated Hospital (Heyuan Shenhe People's Hospital), Jinan University, Heyuan 517000, China
| | - Min Zhang
- Department of Gastroenterology, the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510632, China
| | - Min Zhi
- Department of Gastroenterology, the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510632, China.
| | - Zhinan Yin
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University), Jinan University, Zhuhai 519000, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou 510632, China; Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou 510632, China.
| | - Wan-Yang Sun
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China.
| | - Yi-Fang Li
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China.
| | - Rong-Rong He
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China.
| | - Guangchao Cao
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University), Jinan University, Zhuhai 519000, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou 510632, China; Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou 510632, China.
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Qin X, Zhao Q, Zhao Q, Yang L, Li W, Wu J, Liu T, Zhong W, Jiang K, Liu W, Wang B, Wang S, Cao H. A Saccharomyces boulardii-derived antioxidant protein, thioredoxin, ameliorates intestinal inflammation through transactivating epidermal growth factor receptor. Pharmacol Res 2024; 208:107372. [PMID: 39182661 DOI: 10.1016/j.phrs.2024.107372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 08/15/2024] [Accepted: 08/22/2024] [Indexed: 08/27/2024]
Abstract
Saccharomyces boulardii (Sb) is a probiotic yeast for the treatment of gastrointestinal disorders, including inflammatory bowel disease (IBD). Little is known about the modulatory capacity of the Sb in IBD. Here, we found that oral gavage of Sb supernatant (SbS) alleviated gut inflammation, protected the intestinal barrier, and reversed DSS-induced down-regulated activation of epidermal growth factor receptor (EGFR) in colitis. Mass spectrum analysis showed that thioredoxin (Trx) is one of the critical secreted soluble proteins participating in EGFR activation detected in SbS. Trx exerted an array of significant effects on anti-inflammatory activity, including alleviating inflammation, protecting gut barrier, suppressing apoptosis, as well as reducing oxidative stress. Mechanistically, Trx promoted EGFR ligand gene expression and transactivated EGFR in a concentration-dependent manner. EGFR kinase inhibitor could block Trx-mediated preventive effects of intestinal epithelial injury. Our data suggested that Sb-derived soluble protein Trx could serve as a potential prophylactic, as a novel postbiotic against colitis, which provides a new strategy for the precision prevention and treatment of IBD.
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Affiliation(s)
- Xiali Qin
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China
| | - Qing Zhao
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China
| | - Qianjing Zhao
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China
| | - Lijiao Yang
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China
| | - Wanyu Li
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China
| | - Jingyi Wu
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China
| | - Tianyu Liu
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China
| | - Weilong Zhong
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China
| | - Kui Jiang
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China
| | - Wentian Liu
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China
| | - Bangmao Wang
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China
| | - Sinan Wang
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China.
| | - Hailong Cao
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin 300052, China.
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4
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Zhang C, Fan X, Li Z, Hu Z, He C, Wang S, Li M. Causal association between inflammatory bowel disease and acute pancreatitis: a two-sample bidirectional mendelian randomization study. Front Genet 2024; 15:1324893. [PMID: 39205942 PMCID: PMC11349681 DOI: 10.3389/fgene.2024.1324893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 07/22/2024] [Indexed: 09/04/2024] Open
Abstract
Background Acute pancreatitis (AP) is an extraintestinal manifestation of inflammatory bowel disease (IBD). Numerous observational studies have reported an increased risk of AP in patients diagnosed with IBD. However, the causal association and directionality between IBD or its subtypes and the development of AP remains unclear due to the limitations of observational research. This study aims to explore the relationship between IBD or its subtypes and AP risk using Mendelian Randomization (MR) method. Methods A two-sample bidirectional MR study was conducted, selecting genetic variants associated with IBD and AP as instrumental variables from the International Inflammatory Bowel Disease Genetics Consortium (IIBDGC) and FinnGen databases, respectively. The inverse-variance weighted (IVW) method used as the primary approach for causal inference. The Cochran Q test was employed for heterogeneity assessment. Sensitivity analyses were performed using the MR Egger intercept test, MR-Presso, and Leave-one-out method. Results The results revealed that IBD (OR = 1.049, 95% CI = 1.010-1.090, p = 0.013) and ulcerative colitis (UC) (OR = 1.057, 95% CI = 1.013-1.102, p = 0.011) were significantly associated with an increased risk of AP. However, Crohn's disease (CD) (OR = 1.023, 95% CI = 0.993-1.055, p = 0.134) did not show a causal association with the risk of AP. Interestingly, AP was suggestively associated with a decreased risk of CD (OR = 0.797, 95% CI = 0.637-0.997, p = 0.047). Furthermore, there was no causal association between AP and the risk of IBD (OR = 0.886, 95% CI = 0.753-1.042, p = 0.144) or UC (OR = 0.947, 95% CI = 0.773-1.159, p = 0.595). Conclusion In conclusion, this study provides genetic evidence supporting the causal influence of IBD (specifically UC) on AP, while CD does not appear to have a causal impact on AP.
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Affiliation(s)
- Cong Zhang
- Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Department of Gastroenterology, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
- Department of Gastroenterology, The First People’s Hospital of Foshan, Foshan, China
| | - Xiujing Fan
- Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Department of Gastroenterology, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Zhijun Li
- Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Department of Gastroenterology, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Zongyi Hu
- Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Department of Gastroenterology, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Chengcheng He
- Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Department of Gastroenterology, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Shanping Wang
- Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Department of Gastroenterology, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Mingsong Li
- Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Department of Gastroenterology, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
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Alexandrescu L, Nicoara AD, Tofolean DE, Herlo A, Nelson Twakor A, Tocia C, Trandafir A, Dumitru A, Dumitru E, Aftenie CF, Preotesoiu I, Dina E, Tofolean IT. Healing from Within: How Gut Microbiota Predicts IBD Treatment Success-A Systematic Review. Int J Mol Sci 2024; 25:8451. [PMID: 39126020 PMCID: PMC11313389 DOI: 10.3390/ijms25158451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2024] [Revised: 07/29/2024] [Accepted: 07/30/2024] [Indexed: 08/12/2024] Open
Abstract
Recent research indicates that the microbiome has a significant impact on the progression of inflammatory bowel disease (IBD) and that creating therapies that change its composition could positively impact the outcomes of IBD treatment. This review summarizes the results of extensive studies that examined IBD patients undergoing several therapies, including anti-TNF medication, vedolizumab, ustekinumab, probiotics, and fecal microbiota transplantation (FMT), and the alterations in their gut microbiota's composition and function. The objective was to investigate the variety and effectiveness of microbial species in order to discover new biomarkers or therapeutic targets that could improve the outcome of treatment for these patients. This research aimed to offer useful insights into personalized medicine techniques for managing IBD. Beneficial bacteria such as Faecalibacterium prausnitzii and Roseburia have been consistently linked to favorable clinical outcomes, whereas pathogenic bacteria such as Escherichia coli and Clostridioides difficile are associated with worsening disease conditions. Although many studies have examined the role of gut microbiota in IBD, there is still a need for more targeted research on the connection between specific microbial communities and treatment outcomes. This study sought to address this gap by exploring the intricate relationship between the gut microbiota composition and the effectiveness of IBD medications.
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Affiliation(s)
- Luana Alexandrescu
- Gastroenterology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania; (L.A.); (C.T.); (A.D.); (E.D.); (E.D.); (I.T.T.)
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
| | - Alina Doina Nicoara
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
- Internal Medicine Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania;
| | - Doina Ecaterina Tofolean
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
- Pneumology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania
| | - Alexandra Herlo
- Department XIII, Discipline of Infectious Diseases, “Victor Babes” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Square, 300041 Timisoara, Romania;
| | - Andreea Nelson Twakor
- Internal Medicine Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania;
| | - Cristina Tocia
- Gastroenterology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania; (L.A.); (C.T.); (A.D.); (E.D.); (E.D.); (I.T.T.)
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
| | - Anamaria Trandafir
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
| | - Andrei Dumitru
- Gastroenterology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania; (L.A.); (C.T.); (A.D.); (E.D.); (E.D.); (I.T.T.)
| | - Eugen Dumitru
- Gastroenterology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania; (L.A.); (C.T.); (A.D.); (E.D.); (E.D.); (I.T.T.)
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
- Academy of Romanian Scientist, 3 Ilfov Street, 050044 Bucharest, Romania
| | - Cristian Florentin Aftenie
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
| | - Ionela Preotesoiu
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
| | - Elena Dina
- Gastroenterology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania; (L.A.); (C.T.); (A.D.); (E.D.); (E.D.); (I.T.T.)
| | - Ioan Tiberiu Tofolean
- Gastroenterology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania; (L.A.); (C.T.); (A.D.); (E.D.); (E.D.); (I.T.T.)
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
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Minea H, Singeap AM, Minea M, Juncu S, Muzica C, Sfarti CV, Girleanu I, Chiriac S, Miftode ID, Stanciu C, Trifan A. The Contribution of Genetic and Epigenetic Factors: An Emerging Concept in the Assessment and Prognosis of Inflammatory Bowel Diseases. Int J Mol Sci 2024; 25:8420. [PMID: 39125988 PMCID: PMC11313574 DOI: 10.3390/ijms25158420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2024] [Revised: 07/25/2024] [Accepted: 07/27/2024] [Indexed: 08/12/2024] Open
Abstract
Inflammatory bowel disease (IBD) represents heterogeneous and relapsing intestinal conditions with a severe impact on the quality of life of individuals and a continuously increasing prevalence. In recent years, the development of sequencing technology has provided new means of exploring the complex pathogenesis of IBD. An ideal solution is represented by the approach of precision medicine that investigates multiple cellular and molecular interactions, which are tools that perform a holistic, systematic, and impartial analysis of the genomic, transcriptomic, proteomic, metabolomic, and microbiomics sets. Hence, it has led to the orientation of current research towards the identification of new biomarkers that could be successfully used in the management of IBD patients. Multi-omics explores the dimension of variation in the characteristics of these diseases, offering the advantage of understanding the cellular and molecular mechanisms that affect intestinal homeostasis for a much better prediction of disease development and choice of treatment. This review focuses on the progress made in the field of prognostic and predictive biomarkers, highlighting the limitations, challenges, and also the opportunities associated with the application of genomics and epigenomics technologies in clinical practice.
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Affiliation(s)
- Horia Minea
- Department of Gastroenterology, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (H.M.); (S.J.); (C.V.S.); (I.G.); (S.C.); (C.S.); (A.T.)
- Institute of Gastroenterology and Hepatology, “St. Spiridon” University Hospital, 700111 Iasi, Romania
| | - Ana-Maria Singeap
- Department of Gastroenterology, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (H.M.); (S.J.); (C.V.S.); (I.G.); (S.C.); (C.S.); (A.T.)
- Institute of Gastroenterology and Hepatology, “St. Spiridon” University Hospital, 700111 Iasi, Romania
| | - Manuela Minea
- Department of Microbiology, The National Institute of Public Health, 700464 Iasi, Romania;
| | - Simona Juncu
- Department of Gastroenterology, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (H.M.); (S.J.); (C.V.S.); (I.G.); (S.C.); (C.S.); (A.T.)
- Institute of Gastroenterology and Hepatology, “St. Spiridon” University Hospital, 700111 Iasi, Romania
| | - Cristina Muzica
- Department of Gastroenterology, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (H.M.); (S.J.); (C.V.S.); (I.G.); (S.C.); (C.S.); (A.T.)
- Institute of Gastroenterology and Hepatology, “St. Spiridon” University Hospital, 700111 Iasi, Romania
| | - Catalin Victor Sfarti
- Department of Gastroenterology, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (H.M.); (S.J.); (C.V.S.); (I.G.); (S.C.); (C.S.); (A.T.)
- Institute of Gastroenterology and Hepatology, “St. Spiridon” University Hospital, 700111 Iasi, Romania
| | - Irina Girleanu
- Department of Gastroenterology, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (H.M.); (S.J.); (C.V.S.); (I.G.); (S.C.); (C.S.); (A.T.)
- Institute of Gastroenterology and Hepatology, “St. Spiridon” University Hospital, 700111 Iasi, Romania
| | - Stefan Chiriac
- Department of Gastroenterology, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (H.M.); (S.J.); (C.V.S.); (I.G.); (S.C.); (C.S.); (A.T.)
- Institute of Gastroenterology and Hepatology, “St. Spiridon” University Hospital, 700111 Iasi, Romania
| | - Ioana Diandra Miftode
- Department of Radiology, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania;
- Department of Radiology, “St. Spiridon” University Hospital, 700111 Iasi, Romania
| | - Carol Stanciu
- Department of Gastroenterology, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (H.M.); (S.J.); (C.V.S.); (I.G.); (S.C.); (C.S.); (A.T.)
- Institute of Gastroenterology and Hepatology, “St. Spiridon” University Hospital, 700111 Iasi, Romania
| | - Anca Trifan
- Department of Gastroenterology, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (H.M.); (S.J.); (C.V.S.); (I.G.); (S.C.); (C.S.); (A.T.)
- Institute of Gastroenterology and Hepatology, “St. Spiridon” University Hospital, 700111 Iasi, Romania
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7
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Haque PS, Kapur N, Barrett TA, Theiss AL. Mitochondrial function and gastrointestinal diseases. Nat Rev Gastroenterol Hepatol 2024; 21:537-555. [PMID: 38740978 DOI: 10.1038/s41575-024-00931-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/10/2024] [Indexed: 05/16/2024]
Abstract
Mitochondria are dynamic organelles that function in cellular energy metabolism, intracellular and extracellular signalling, cellular fate and stress responses. Mitochondria of the intestinal epithelium, the cellular interface between self and enteric microbiota, have emerged as crucial in intestinal health. Mitochondrial dysfunction occurs in gastrointestinal diseases, including inflammatory bowel diseases and colorectal cancer. In this Review, we provide an overview of the current understanding of intestinal epithelial cell mitochondrial metabolism, function and signalling to affect tissue homeostasis, including gut microbiota composition. We also discuss mitochondrial-targeted therapeutics for inflammatory bowel diseases and colorectal cancer and the evolving concept of mitochondrial impairment as a consequence versus initiator of the disease.
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Affiliation(s)
- Parsa S Haque
- Division of Gastroenterology and Hepatology, Department of Medicine and the Mucosal Inflammation Program, University of Colorado School of Medicine, Aurora, CO, USA
| | - Neeraj Kapur
- Department of Medicine, Division of Digestive Diseases and Nutrition, University of Kentucky College of Medicine, Lexington, KY, USA
| | - Terrence A Barrett
- Department of Medicine, Division of Digestive Diseases and Nutrition, University of Kentucky College of Medicine, Lexington, KY, USA
- Lexington Veterans Affairs Medical Center Kentucky, Lexington, KY, USA
| | - Arianne L Theiss
- Division of Gastroenterology and Hepatology, Department of Medicine and the Mucosal Inflammation Program, University of Colorado School of Medicine, Aurora, CO, USA.
- Rocky Mountain Regional Veterans Affairs Medical Center, Aurora, CO, USA.
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8
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Li X, Di Q, Li X, Zhao X, Wu H, Xiao Y, Tang H, Huang X, Chen J, Chen S, Gao Y, Gao J, Xiao W, Chen W. Kumujan B suppresses TNF-α-induced inflammatory response and alleviates experimental colitis in mice. Front Pharmacol 2024; 15:1427340. [PMID: 39148547 PMCID: PMC11324439 DOI: 10.3389/fphar.2024.1427340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Accepted: 07/02/2024] [Indexed: 08/17/2024] Open
Abstract
Treatments of inflammatory bowel disease (IBD) are diverse, but their efficacy is limited, and it is therefore urgent to find better therapies. Controlling mucosal inflammation is a must in IBD drug treatment. The occurrence of anti-tumor necrosis factor α (TNF-α) monoclonal antibodies has provided a safer and more efficacious therapy. However, this kind of treatment still faces failure in the form of loss of response. β-Carboline alkaloids own an anti-inflammatory pharmacological activity. While Kumujan B contains β-carboline, its biological activity remains unknown. In this study, we attempted to determine the anti-inflammatory effects of Kumujan B using both the TNF-α- induced in vitro inflammation and DSS-induced in vivo murine IBD models. Our data show that Kumujan B attenuated the expression of interleukin 1β (IL-1β) and interleukin 6 (IL-6) induced by TNF-α in mouse peritoneal macrophages. Kumujan B suppressed c-Jun N-terminal protein kinases (JNK) signaling, especially c-Jun, for anti-inflammatory response. Furthermore, Kumujan B promoted K11-linked ubiquitination and degradation of c-Jun through the proteasome pathway. In an in vivo study, Kumujan B inhibited the expression of IL-1β, IL-6, and TNF-α and improved the colon barrier function in dextran sulfate sodium salt (DSS)-induced experimental mice colitis. Kumujan B exhibited in vivo and in vitro anti-inflammatory effects, making it a potential therapeutic candidate for treating IBD.
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Affiliation(s)
- Xunwei Li
- School of Pharmaceutical Sciences, Marshall Laboratory of Biomedical Engineering, Shenzhen University, Shenzhen, China
| | - Qianqian Di
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Institute of Biological Therapy, Shenzhen University Medical School, Shenzhen University, Shenzhen, China
| | - Xiaoli Li
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Characteristic Plant Extraction Laboratory, Yunnan Provincial Center for Research and Development of Natural Products, School of Pharmacy and School of Chemical Science and Technology, Yunnan University, Kunming, China
| | - Xibao Zhao
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Institute of Biological Therapy, Shenzhen University Medical School, Shenzhen University, Shenzhen, China
| | - Han Wu
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Institute of Biological Therapy, Shenzhen University Medical School, Shenzhen University, Shenzhen, China
| | - Yue Xiao
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Institute of Biological Therapy, Shenzhen University Medical School, Shenzhen University, Shenzhen, China
| | - Haimei Tang
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Institute of Biological Therapy, Shenzhen University Medical School, Shenzhen University, Shenzhen, China
| | - Xucan Huang
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Institute of Biological Therapy, Shenzhen University Medical School, Shenzhen University, Shenzhen, China
| | - Jin Chen
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Institute of Biological Therapy, Shenzhen University Medical School, Shenzhen University, Shenzhen, China
| | - Shaoying Chen
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Institute of Biological Therapy, Shenzhen University Medical School, Shenzhen University, Shenzhen, China
| | - Yuli Gao
- School of Pharmaceutical Sciences, Marshall Laboratory of Biomedical Engineering, Shenzhen University, Shenzhen, China
| | - Junbo Gao
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Characteristic Plant Extraction Laboratory, Yunnan Provincial Center for Research and Development of Natural Products, School of Pharmacy and School of Chemical Science and Technology, Yunnan University, Kunming, China
| | - Weilie Xiao
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Characteristic Plant Extraction Laboratory, Yunnan Provincial Center for Research and Development of Natural Products, School of Pharmacy and School of Chemical Science and Technology, Yunnan University, Kunming, China
- Southwest United Graduate School, Kunming, China
| | - Weilin Chen
- School of Pharmaceutical Sciences, Marshall Laboratory of Biomedical Engineering, Shenzhen University, Shenzhen, China
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Institute of Biological Therapy, Shenzhen University Medical School, Shenzhen University, Shenzhen, China
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9
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Zhang T, Guo Z, Cheng X, Xia R, Lai S, Liao L. Protective properties of Ophiopogonin D in DSS-induced colitis: insights into microbiota modulation. Inflammopharmacology 2024:10.1007/s10787-024-01531-x. [PMID: 39039348 DOI: 10.1007/s10787-024-01531-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Accepted: 07/05/2024] [Indexed: 07/24/2024]
Abstract
BACKGROUND Ulcerative colitis (UC), a chronic inflammatory gastrointestinal disorder, is becoming increasingly prevalent worldwide. Ophiopogonin D, which is derived from Ophiopogon japonicus, exhibits anti-inflammatory and antioxidant properties, yet its therapeutic potential in UC remains unclear. METHODS In this study, we employed a mouse model of DSS-induced colitis to assess the impact of Ophiopogonin D on various parameters, including weight loss, bloody stools, and inflammation in the colon. RESULTS Ophiopogonin-D treatment significantly mitigated these DSS-induced effects, improved colon permeability, and modulated inflammatory markers like ZO-1, MUC-2, TNF-α, and IL-1β in mice compared with the control. Furthermore, compared to the DSS-treatment group, Ophiopogonin-D treatment improved the α- and β-diversity indices of the mouse intestinal microbiota, along with an increase in the abundance of genera such as Akkermansia (AKK) and a decrease in the abundance of genera such as Enterobacter. Notably, propionic acid, a metabolite of AKK, demonstrated significant improvement in the symptoms of DSS-induced colitis in mice compared to the control. Moreover, propionic-acid administration also resulted in alterations in the levels of inflammatory factors and calreticulin within the intestinal tissues. CONCLUSION Overall, Ophiopogonin D significantly affects intestinal microbiota composition, thereby improving symptoms of DSS-induced colitis in mice. These findings present promising therapeutic strategies and potential pharmaceutical candidates for the treatment of ulcerative colitis.
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Affiliation(s)
- Tao Zhang
- Department of Gastroenterology, Nanchong Central Hospital, The Second Clinical Medical College, North Sichuan Medical College, Nanchong, 637000, China.
| | - Zhiguo Guo
- Department of Gastroenterology, Suzhou Hospital of Anhui Medical University, Suzhou, 234000, China
| | - Xianhui Cheng
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, 350122, China
| | - Rongmu Xia
- Department of Gastroenterology, The Second Affiliated Hospital of Fujian University of Traditional Chinese Medicine, No.13 Hudongzhi Road, Gulou District, Fuzhou, 350003, China.
| | - Sicong Lai
- Department of General Surgery, The Sixth Affiliated Hospital, Sun Yat-Sen University, No.26 Yuancunerheng Road, Tianhe District, Guangzhou, 510000, China.
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, 510000, China.
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, 510000, China.
| | - Lijun Liao
- Department of Pain Management, Shanghai East Hospital, School of Medicine, Tongji University, No. 1800 Yuntai Road, Pudong New District, Shanghai, 200120, China.
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10
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Su P, Wang Y, Huang H, Lu Q, Wu Q, Li Z. Association between inflammatory bowel disease and the risk of parenteral malignancies: A two-sample Mendelian randomization study. Clinics (Sao Paulo) 2024; 79:100421. [PMID: 38943703 PMCID: PMC11260596 DOI: 10.1016/j.clinsp.2024.100421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 05/27/2024] [Accepted: 06/10/2024] [Indexed: 07/01/2024] Open
Abstract
AIM Using Mendelian Randomization (MR) analysis to investigate the potential causal association between Inflammatory Bowel Disease (IBD) and the occurrence of parenteral malignancies, in order to provide some reference for the parenteral malignancy prevention in patients with IBD. METHODS This was a two-sample MR study based on independent genetic variants strongly linked to IBD selected from the Genome-Wide Association Study (GWAS) meta-analysis carried out by the International Inflammatory Bowel Disease Genetics Consortium (IIBDGC). Parenteral malignancy cases and controls were obtained from the FinnGen consortium and the UK Biobank (UKB) release data. Inverse Variance Weighted (IVW), weighted median, MR-Egger, and strength test (F) were utilized to explore the causal association of IBD with parenteral malignancies. In addition, Cochran's Q statistic was performed to quantify the heterogeneity of Instrumental Variables (IVs). RESULTS The estimates of IVW showed that patients with IBD had higher odds of diffuse large B-cell lymphoma (OR = 1.2450, 95% CI: 1.0311‒1.5034). UC had potential causal associations with non-melanoma skin cancer (all p < 0.05), melanoma (OR = 1.0280, 95% CI: 0.9860‒1.0718), and skin cancer (OR = 1.0004, 95% CI: 1.0001‒1.0006). Also, having CD was associated with higher odds of non-melanoma skin cancer (all p < 0.05) and skin cancer (OR = 1.0287, 95% CI: 1.0022‒1.0559). In addition, results of pleiotropy and heterogeneity tests indicated these results are relatively robust. CONCLUSIONS IBD has potential causal associations with diffuse large B-cell lymphoma and skin cancers, which may provide some information on the prevention of parenteral malignancies in patients with IBD. Moreover, further studies are needed to explore the specific mechanisms of the effect of IBD on skin cancers.
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Affiliation(s)
- Peizhu Su
- Department of Digestive Disease, The First People's Hospital of Foshan City, Guangdong, P.R. China
| | - Yilin Wang
- Department of Digestive Disease, The First People's Hospital of Foshan City, Guangdong, P.R. China
| | - Huiwen Huang
- Department of Digestive Disease, The First People's Hospital of Foshan City, Guangdong, P.R. China
| | - Qinghua Lu
- Department of Digestive Disease, The First People's Hospital of Foshan City, Guangdong, P.R. China
| | - Qinyan Wu
- Department of Digestive Disease, The First People's Hospital of Foshan City, Guangdong, P.R. China
| | - Zhaotao Li
- Department of Digestive Disease, The First People's Hospital of Foshan City, Guangdong, P.R. China.
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11
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Kilian C, Ulrich H, Zouboulis VA, Sprezyna P, Schreiber J, Landsberger T, Büttner M, Biton M, Villablanca EJ, Huber S, Adlung L. Longitudinal single-cell data informs deterministic modelling of inflammatory bowel disease. NPJ Syst Biol Appl 2024; 10:69. [PMID: 38914538 PMCID: PMC11196733 DOI: 10.1038/s41540-024-00395-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 06/14/2024] [Indexed: 06/26/2024] Open
Abstract
Single-cell-based methods such as flow cytometry or single-cell mRNA sequencing (scRNA-seq) allow deep molecular and cellular profiling of immunological processes. Despite their high throughput, however, these measurements represent only a snapshot in time. Here, we explore how longitudinal single-cell-based datasets can be used for deterministic ordinary differential equation (ODE)-based modelling to mechanistically describe immune dynamics. We derived longitudinal changes in cell numbers of colonic cell types during inflammatory bowel disease (IBD) from flow cytometry and scRNA-seq data of murine colitis using ODE-based models. Our mathematical model generalised well across different protocols and experimental techniques, and we hypothesised that the estimated model parameters reflect biological processes. We validated this prediction of cellular turnover rates with KI-67 staining and with gene expression information from the scRNA-seq data not used for model fitting. Finally, we tested the translational relevance of the mathematical model by deconvolution of longitudinal bulk mRNA-sequencing data from a cohort of human IBD patients treated with olamkicept. We found that neutrophil depletion may contribute to IBD patients entering remission. The predictive power of IBD deterministic modelling highlights its potential to advance our understanding of immune dynamics in health and disease.
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Affiliation(s)
- Christoph Kilian
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf (UKE), D-20246, Hamburg, Germany
| | - Hanna Ulrich
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf (UKE), D-20246, Hamburg, Germany
| | - Viktor A Zouboulis
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf (UKE), D-20246, Hamburg, Germany
| | - Paulina Sprezyna
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf (UKE), D-20246, Hamburg, Germany
| | - Jasmin Schreiber
- Leibniz Institute for the Analysis of Biodiversity Change, D-20146, Hamburg, Germany
| | - Tomer Landsberger
- Department of statistics and data science, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Maren Büttner
- Calico Life Sciences, LLC, South San Francisco, CA, USA
| | - Moshe Biton
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Eduardo J Villablanca
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet and University Hospital, Stockholm, Sweden
- Center of Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Samuel Huber
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf (UKE), D-20246, Hamburg, Germany
| | - Lorenz Adlung
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf (UKE), D-20246, Hamburg, Germany.
- Hamburg Center for Translational Immunology (HCTI) and Center for Biomedical AI (bAIome), University Medical Center Hamburg-Eppendorf (UKE), D-20246, Hamburg, Germany.
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12
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Zulqarnain F, Zhao X, Setchell KD, Sharma Y, Fernandes P, Srivastava S, Shrivastava A, Ehsan L, Jain V, Raghavan S, Moskaluk C, Haberman Y, Denson LA, Mehta K, Iqbal NT, Rahman N, Sadiq K, Ahmad Z, Idress R, Iqbal J, Ahmed S, Hotwani A, Umrani F, Amadi B, Kelly P, Brown DE, Moore SR, Ali SA, Syed S. Machine-learning-based integrative -'omics analyses reveal immunologic and metabolic dysregulation in environmental enteric dysfunction. iScience 2024; 27:110013. [PMID: 38868190 PMCID: PMC11167436 DOI: 10.1016/j.isci.2024.110013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 02/18/2024] [Accepted: 05/14/2024] [Indexed: 06/14/2024] Open
Abstract
Environmental enteric dysfunction (EED) is a subclinical enteropathy challenging to diagnose due to an overlap of tissue features with other inflammatory enteropathies. EED subjects (n = 52) from Pakistan, controls (n = 25), and a validation EED cohort (n = 30) from Zambia were used to develop a machine-learning-based image analysis classification model. We extracted histologic feature representations from the Pakistan EED model and correlated them to transcriptomics and clinical biomarkers. In-silico metabolic network modeling was used to characterize alterations in metabolic flux between EED and controls and validated using untargeted lipidomics. Genes encoding beta-ureidopropionase, CYP4F3, and epoxide hydrolase 1 correlated to numerous tissue feature representations. Fatty acid and glycerophospholipid metabolism-related reactions showed altered flux. Increased phosphatidylcholine, lysophosphatidylcholine (LPC), and ether-linked LPCs, and decreased ester-linked LPCs were observed in the duodenal lipidome of Pakistan EED subjects, while plasma levels of glycine-conjugated bile acids were significantly increased. Together, these findings elucidate a multi-omic signature of EED.
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Affiliation(s)
| | - Xueheng Zhao
- Cincinnati Children’s Hospital Medical Center, University of Cincinnati School of Medicine, Cincinnati, OH, USA
| | - Kenneth D.R. Setchell
- Cincinnati Children’s Hospital Medical Center, University of Cincinnati School of Medicine, Cincinnati, OH, USA
| | - Yash Sharma
- University of Virginia, Charlottesville, VA, USA
| | | | | | | | | | - Varun Jain
- University of Virginia, Charlottesville, VA, USA
| | | | | | - Yael Haberman
- Cincinnati Children’s Hospital Medical Center, University of Cincinnati School of Medicine, Cincinnati, OH, USA
| | - Lee A. Denson
- Cincinnati Children’s Hospital Medical Center, University of Cincinnati School of Medicine, Cincinnati, OH, USA
| | - Khyati Mehta
- Cincinnati Children’s Hospital Medical Center, University of Cincinnati School of Medicine, Cincinnati, OH, USA
| | | | | | | | | | | | | | | | | | | | | | - Paul Kelly
- University Teaching Hospital, Lusaka, Zambia
- Queen Mary University of London, London, UK
| | | | | | | | - Sana Syed
- University of Virginia, Charlottesville, VA, USA
- Aga Khan University, Karachi, Pakistan
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13
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Tao Y, Li M, Gao H, Sun Y, Zhang F, Wu J, Liang H, He L, Gong M, Niu J, Miao Y. The hospitalization burden of inflammatory bowel disease in a southwestern highland region of China: a territory-wide study from 2015 to 2020. Front Med (Lausanne) 2024; 11:1410714. [PMID: 38912335 PMCID: PMC11190343 DOI: 10.3389/fmed.2024.1410714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Accepted: 05/23/2024] [Indexed: 06/25/2024] Open
Abstract
Background Yunnan, a southwest highland and newly industrialized region of China, has an unknown hospitalization burden of inflammatory bowel disease (IBD). The study was conducted to explore territorial hospitalization burden of IBD. Methods The formatted medical records of patients with IBD were collected from a territory-wide database in Yunnan Province, China, from 2015 to 2020. General characteristics of the study population were reported using descriptive statistics. To evaluate the length of stay, hospitalization costs, surgery, complications, and trends in patients with inflammatory bowel disease. The logistic regression analysis was established to explore the factors affecting the hospitalization costs. Results A total of 12,174 records from 8192 patients were included. The annual hospitalization cost of IBD in Yunnan Province increased significantly from 2015 to 2020. From 2015 to 2020, the regional hospitalization burden of IBD increased, but it represented a decline in cost per hospitalization (r = -0.024, P = 0.008) and the length of stay (r = -0.098, P < 0.001). Surgery rates for hospitalized patients with Crohn's disease (CD) did not decrease (r = -0.002, P = 0.932), and even increased for patients with ulcerative colitis (UC) (r = 0.03, P = 0.002). The costs per hospitalization were $ 827.49 (540.11-1295.50) for UC and $ 1057.03 (644.26-1888.78) for CD. Among the identifiable cost items during the period, drug costs accounted for the highest proportion, accounting for 33% and 37.30% in patients with UC and CD, respectively. Surgical intervention [OR 4.87 (3.75-6.31), P < 0.001], comorbidities [OR 1.72 (1.52-1.94), P < 0.001], complications [OR 1.53 (1.32-1.78), P < 0.001], and endoscopy [OR 2.06 (1.86-2.28), P < 0.001] were predictor of high hospitalization costs. Conclusion The increasing burden of IBD is noteworthy a newly industrialized region of China. Interventions targeting surgery, complications, and comorbidities may be effective means of controlling the increasing hospitalization costs of IBD in the regions.
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Affiliation(s)
- Yan Tao
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, Yunnan, China
| | - Maojuan Li
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, Yunnan, China
| | - Huabin Gao
- Yunnan Evaluation Center for Medical Service and Administration, Kunming, Yunnan, China;
| | - Yang Sun
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, Yunnan, China
| | - Fengrui Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, Yunnan, China
| | - Jing Wu
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, Yunnan, China
| | - Hao Liang
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, Yunnan, China
| | - Liping He
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Min Gong
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, Yunnan, China
| | - Junkun Niu
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, Yunnan, China
| | - Yinglei Miao
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, Yunnan, China
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14
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Wang Q, Chen S, Zhou J, Zhao L. Bidirectional associations between periodontitis and inflammatory bowel disease: A systematic review of longitudinal studies with meta-analysis and trial sequential analysis. J Periodontal Res 2024. [PMID: 38837416 DOI: 10.1111/jre.13291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 05/11/2024] [Accepted: 05/13/2024] [Indexed: 06/07/2024]
Abstract
The bidirectional associations between periodontitis and inflammatory bowel disease (IBD) with temporal directionality remain inconclusive. This study aims to evaluate the bidirectional associations between periodontitis and IBD through a systematic review and meta-analysis. Five databases (PubMed, Embase, Web of Science, Scopus and Cochrane Library) were systematically searched from inception to 27 February 2024. Two independent reviewers performed a review of the retrieved studies. Longitudinal studies, including cohort and nested case-control studies, were considered eligible for the study design. The pooled risk ratio (RR) and hazard ratio (HR) derived from the meta-analysis were used to assess whether periodontitis (or IBD) was a risk factor for IBD (or periodontitis). Trial sequential analysis (TSA) was performed to evaluate the reliability of the results. Four studies (n = 10 270 912) on the risk of IBD in patients with periodontitis and two (n = 33 420) on the risk of periodontitis in patients with IBD were included. The result suggested that periodontitis did not increase the risk of IBD (pooled RR = 1.04, 95% confidence interval [CI]: 0.99-1.09; p = .164; I-squared statistic [I2] = 27%). For subtypes of IBD, periodontitis was associated with the occurrence of ulcerative colitis (UC) (pooled RR = 1.12, 95% CI: 1.04-1.21; p = .003; I2 = 38%), but not with Crohn's disease (CD) (pooled RR = 0.98, 95% CI: 0.92-1.04; p = .475; I2 = 0%). Specifically, the risk of UC was higher among men (pooled HR = 1.11, 95% CI: 1.01-1.22; p = .025; I2 = 0%) and smokers (pooled HR = 1.23, 95% CI: 1.07-1.42; p = .004; I2 = 0%) with periodontitis than their counterparts without periodontitis. Patients with IBD may have a higher risk of developing periodontitis (pooled HR = 1.37, 95% CI: 1.26-1.49; p < .001; I2 = 18%); however, whether IBD subtypes increased the occurrence of periodontitis remained uncertain. The TSA results confirmed the reliability of the primary findings. Based on limited longitudinal evidence, patients with periodontitis do not exhibit an increased risk of developing IBD overall, but they are at increased risk of UC (not CD). On the contrary, patients with IBD have a higher risk of developing periodontitis over time. More high-quality longitudinal studies are needed to determine the effect of specific subtypes of IBD on periodontitis.
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Affiliation(s)
- Qiuhao Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shuze Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jieyu Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Lei Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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15
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Wetwittayakhlang P, Kotrri G, Bessissow T, Lakatos PL. How close are we to a success stratification tool for improving biological therapy in ulcerative colitis? Expert Opin Biol Ther 2024; 24:433-441. [PMID: 38903049 DOI: 10.1080/14712598.2024.2371049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Accepted: 06/18/2024] [Indexed: 06/22/2024]
Abstract
INTRODUCTION Biological therapies have become the standard treatment for ulcerative colitis (UC). However, clinical remission rates post-induction therapy remain modest at 40-50%, with many initial responders losing response over time. Current treatment strategies frequently rely on a 'trial and error' approach, leading to prolonged periods of ineffective and costly therapies for patients, accompanied by associated treatment complications. AREA COVERED This review discusses current evidence on risk stratification tools for predicting therapeutic efficacy and minimizing adverse events in UC management. Recent studies have identified predictive factors for biologic therapy response. In the context of personalized medicine, the goal is to identify patients at high risk of progression and complications, as well as those likely to respond to specific therapies. Essential risk stratification tools include clinical decision-making aids, biomarkers, genomics, multi-omics factors, endoscopic, imaging, and histological assessments. EXPERT OPINION Employing risk stratification tools to predict therapeutic response and prevent treatment-related complications is essential for precision medicine in the biological management of UC. These tools are necessary to select the most suitable treatment for each individual patient, thereby enhancing efficacy and safety.
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Affiliation(s)
- Panu Wetwittayakhlang
- Gastroenterology and Hepatology Unit, Division of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand
- Division of Gastroenterology and Hepatology, McGill University Health Center, Montreal, QC, Canada
| | - Gynter Kotrri
- Division of Gastroenterology and Hepatology, McGill University Health Center, Montreal, QC, Canada
| | - Talat Bessissow
- Division of Gastroenterology and Hepatology, McGill University Health Center, Montreal, QC, Canada
| | - Peter L Lakatos
- Division of Gastroenterology and Hepatology, McGill University Health Center, Montreal, QC, Canada
- Department of Oncology and Medicine, Semmelweis University, Budapest, Hungary
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16
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Chen M, Chen Y, Fu R, Liu S, Li H, Shen T. Atox1 regulates macrophage polarization in intestinal inflammation via ROS-NLRP3 inflammasome pathway. J Transl Med 2024; 22:497. [PMID: 38796413 PMCID: PMC11128112 DOI: 10.1186/s12967-024-05314-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 05/20/2024] [Indexed: 05/28/2024] Open
Abstract
BACKGROUND Inflammation and oxidative stress play an important role in the pathophysiology of inflammatory bowel disease (IBD). This study aimed to explore the effects of copper chaperone Antioxidant-1 (Atox1) on macrophages in a mouse model of intestinal inflammation. METHODS A mouse model of TNBS-induced colitis was established and verified using the disease activity index. Atox1 conditional knockout mice were applied. The proportion of macrophages in colonic lamina propria mononuclear cells and ROS production were analyzed using flow cytometry. Inflammatory cytokines were measured using ELISA. Expression of macrophage M1/M2 polarization markers, p47phox, NLRP3, and Caspase-1 p20 was measured using quantitative RT-PCR and Western blotting. RESULTS Atox1 expression was up-regulated in colon tissues of TNBS-induced colitis mice. Macrophages isolated from TNBS-induced colitis mice showed M1 polarization and nuclear translocation of Atox1. Inhibiting copper chaperone activity decreased p47phox, ROS production, and M1 polarization induced by CuCl2 in macrophages. TNBS induced up-regulation of inflammatory cytokines, M1 polarization markers, and p47phox expression in mice, an effect which was preempted by Atox1 knockout. Inflammatory cytokines and expression of M1 polarization markers, p47phox, NLRP3, Caspase-1 p20 were also increased in macrophages isolated from TNBS-induced colitis mice. These changes were alleviated in mice with Atox1 knockout. The effects of Atox1 on macrophage polarization were mediated via the ROS-NLRP3 inflammasome pathway. CONCLUSION Atox1 plays a pro-inflammatory role, promotes M1 polarization of macrophages, and increases the concentrations of pro-inflammatory cytokines in intestinal tissue by regulating the ROS-NLRP3 inflammasome pathway. Atox1 is a potential therapeutic target in IBD.
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Affiliation(s)
- MingXian Chen
- Department of Gastroenterology, Tongde Hospital of Zhejiang Province, No. 234, Gucui road, Hangzhou, 310012, China
- Institute of Integrated Chinese and Western Medicine on Spleen-Stomach Diseases, Zhejiang Province Academy of Traditional Chinese Medicine, Hangzhou, 310012, China
| | - Yu Chen
- Laboratory Animal Center, Zhejiang Province Academy of Traditional Chinese Medicine, Hangzhou, 310012, China
| | - Rui Fu
- Department of Gastroenterology, Tongde Hospital of Zhejiang Province, No. 234, Gucui road, Hangzhou, 310012, China
| | - SaiYue Liu
- Department of Adverse Drug Reaction Monitoring, Zhejiang Province Center of Adverse Drug Reaction Monitoring, No. 39, Yile road, Hangzhou, 310012, China.
| | - HaiXia Li
- Department of Cardiology, Guanganmen Hospital of China Academy of Chinese Medical Sciences, No. 5, Beixian Ge, Xicheng District, Beijing, 100053, China.
| | - TangBiao Shen
- Department of Gastroenterology, Tongde Hospital of Zhejiang Province, No. 234, Gucui road, Hangzhou, 310012, China.
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17
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Lin Z, Luo W, Zhang K, Dai S. Environmental and Microbial Factors in Inflammatory Bowel Disease Model Establishment: A Review Partly through Mendelian Randomization. Gut Liver 2024; 18:370-390. [PMID: 37814898 PMCID: PMC11096900 DOI: 10.5009/gnl230179] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/09/2023] [Accepted: 07/24/2023] [Indexed: 10/11/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a complex condition resulting from environmental, microbial, immunologic, and genetic factors. With the advancement of Mendelian randomization research in IBD, we have gained new insights into the relationship between these factors and IBD. Many animal models of IBD have been developed using different methods, but few studies have attempted to model IBD by combining environmental factors and microbial factors. In this review, we examine how environmental factors and microbial factors affect the development and progression of IBD, and how they interact with each other and with the intestinal microbiota. We also summarize the current methods for creating animal models of IBD and compare their advantages and disadvantages. Based on the latest findings from Mendelian randomization studies on the role of environmental factors in IBD, we discuss which environmental and microbial factors could be used to construct a more realistic and reliable IBD experimental model. We propose that animal models of IBD should consider both environmental and microbial factors to better mimic human IBD pathogenesis and to reveal the underlying mechanisms of IBD at the immune and genetic levels. We highlight the importance of environmental and microbial factors in IBD pathogenesis and offer new perspectives and suggestions for improving experimental animal modeling. Our goal is to create a model that closely resembles the clinical picture of IBD.
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Affiliation(s)
- Zesheng Lin
- The First Clinical Medical School, Southern Medical University, Guangzhou, China
| | - Wenjing Luo
- The Second Clinical Medical School, Southern Medical University, Guangzhou, China
| | - Kaijun Zhang
- Department of Gastroenterology, Guangdong Provincial Geriatrics Institute, Guangzhou, ChinaNational Key Clinical Specialty, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
| | - Shixue Dai
- Department of Gastroenterology, Guangdong Provincial Geriatrics Institute, Guangzhou, ChinaNational Key Clinical Specialty, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
- Department of Gastroenterology, Geriatric Center, National Regional Medical Center, Ganzhou Hospital Affiliated to Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Ganzhou, China
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Qiao Y, Tang X, Liu Z, Ocansey DKW, Zhou M, Shang A, Mao F. Therapeutic Prospects of Mesenchymal Stem Cell and Their Derived Exosomes in the Regulation of the Gut Microbiota in Inflammatory Bowel Disease. Pharmaceuticals (Basel) 2024; 17:607. [PMID: 38794176 PMCID: PMC11124012 DOI: 10.3390/ph17050607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 05/05/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024] Open
Abstract
Mesenchymal stem cells (MSCs) have shown great potential in the treatment of several inflammatory diseases due to their immunomodulatory ability, which is mediated by exosomes secreted by MSCs (MSC-Exs). The incidence of inflammatory bowel disease (IBD) is increasing globally, but there is currently no long-term effective treatment. As an emerging therapy, MSC-Exs have proven to be effective in alleviating IBD experimentally, and the specific mechanism continues to be explored. The gut microbiota plays an important role in the occurrence and development of IBD, and MSCs and MSC-Exs can effectively regulate gut microbiota in animal models of IBD, but the mechanism involved and whether the outcome can relieve the characteristic dysbiosis necessary to alleviate IBD still needs to be studied. This review provides current evidence on the effective modulation of the gut microbiota by MSC-Exs, offering a basis for further research on the pathogenic mechanism of IBD and MSC-Ex treatments through the improvement of gut microbiota.
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Affiliation(s)
- Yaru Qiao
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang 212013, China; (Y.Q.); (Z.L.); (D.K.W.O.); (M.Z.)
- Department of Laboratory Medicine, Lianyungang Clinical College, Jiangsu University, Lianyungang 222006, China;
| | - Xiaohua Tang
- The People’s Hospital of Danyang, Affiliated Danyang Hospital of Nantong University, Zhenjiang 212300, China;
| | - Ziyue Liu
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang 212013, China; (Y.Q.); (Z.L.); (D.K.W.O.); (M.Z.)
| | - Dickson Kofi Wiredu Ocansey
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang 212013, China; (Y.Q.); (Z.L.); (D.K.W.O.); (M.Z.)
- Department of Medical Laboratory Science, School of Allied Health Sciences, College of Health and Allied Sciences, University of Cape Coast, Cape Coast CC0959347, Ghana
| | - Mengjiao Zhou
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang 212013, China; (Y.Q.); (Z.L.); (D.K.W.O.); (M.Z.)
| | - Anquan Shang
- Department of Laboratory Medicine, Lianyungang Clinical College, Jiangsu University, Lianyungang 222006, China;
| | - Fei Mao
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang 212013, China; (Y.Q.); (Z.L.); (D.K.W.O.); (M.Z.)
- Department of Laboratory Medicine, Lianyungang Clinical College, Jiangsu University, Lianyungang 222006, China;
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19
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Wang L, Li J, Jiang M, Luo Y, Xu X, Li J, Pan Y, Zhang H, Xiao ZXJ, Wang Y. SIRT1 Stabilizes β-TrCP1 to Inhibit Snail1 Expression in Maintaining Intestinal Epithelial Integrity to Alleviate Colitis. Cell Mol Gastroenterol Hepatol 2024; 18:101354. [PMID: 38729522 PMCID: PMC11227028 DOI: 10.1016/j.jcmgh.2024.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 05/03/2024] [Accepted: 05/03/2024] [Indexed: 05/12/2024]
Abstract
BACKGROUND & AIMS Dysfunction of the intestinal epithelial barrier comprising the junctional complex of tight junctions and adherent junctions leads to increased intestinal permeability, which is a major cause of uncontrolled inflammation related to inflammatory bowel disease (IBD). The NAD+-dependent deacetylase SIRT1 is implicated in inflammation and the pathologic process of IBD. We aimed to elucidate the protective role and underlying mechanism of SIRT1 in cell-cell junction and intestinal epithelial integrity. METHODS The correlation of SIRT1 expression and human IBD was analyzed by GEO or immunohistochemical analyses. BK5.mSIRT1 transgenic mice and wild-type mice were given dextran sodium sulfate (DSS) and the manifestation of colitis-related phenotypes was analyzed. Intestinal permeability was measured by FITC-dextran and cytokines expression was analyzed by quantitative polymerase chain reaction. The expression of the cell junction-related proteins in DSS-treated or SIRT1-knockdown Caco2 or HCT116 cells was analyzed by Western blotting. The effects of nicotinamide mononucleotide in DSS-induced mice colitis were investigated. Correlations of the SIRT1-β-TrCP1-Snail1-Occludin/Claudin-1/E-cadherin pathway with human IBD samples were analyzed. RESULTS Reduced SIRT1 expression is associated with human IBD specimens. SIRT1 transgenic mice exhibit much-reduced manifestations of DSS-induced colitis. The activation of SIRT1 by nicotinamide mononucleotide bolsters intestinal epithelial barrier function and ameliorates DSS-induced colitis in mice. Mechanistically, DSS downregulates SiRT1 expression, leading to destabilization of β-TrCP1 and upregulation of Snail1, accompanied by reduced expression of E-cadherin, Occludin, and Claudin-1, consequently resulting in increased epithelial permeability and inflammation. The deregulated SIRT1-β-TrCP1-Snail1-Occludin/Claudin-1/E-cadherin pathway correlates with human IBD. CONCLUSIONS SIRT1 is pivotal in maintaining the intestinal epithelial barrier integrity via modulation of the β-TrCP1-Snail1-E-cadhein/Occludin/Claudin-1 pathway.
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Affiliation(s)
- Liang Wang
- Institute of Basic Medicine and Forensic Medicine, North Sichuan Medical College, Nanchong, China; Center of Growth, Metabolism and Aging, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Jinsong Li
- Center of Growth, Metabolism and Aging, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Mingshan Jiang
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China
| | - Yue Luo
- Center of Growth, Metabolism and Aging, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Xiaoke Xu
- Center of Growth, Metabolism and Aging, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Juan Li
- Center of Growth, Metabolism and Aging, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Yang Pan
- Center of Growth, Metabolism and Aging, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Hu Zhang
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China.
| | - Zhi-Xiong Jim Xiao
- Center of Growth, Metabolism and Aging, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China.
| | - Yang Wang
- Center of Growth, Metabolism and Aging, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China.
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20
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Jin L, Macoritto M, Wang J, Bi Y, Wang F, Suarez-Fueyo A, Paez-Cortez J, Hu C, Knight H, Mascanfroni I, Staron MM, Schwartz Sterman A, Houghton JM, Westmoreland S, Tian Y. Multi-Omics Characterization of Colon Mucosa and Submucosa/Wall from Crohn's Disease Patients. Int J Mol Sci 2024; 25:5108. [PMID: 38791146 PMCID: PMC11121447 DOI: 10.3390/ijms25105108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/17/2024] [Accepted: 04/25/2024] [Indexed: 05/26/2024] Open
Abstract
Crohn's disease (CD) is a subtype of inflammatory bowel disease (IBD) characterized by transmural disease. The concept of transmural healing (TH) has been proposed as an indicator of deep clinical remission of CD and as a predictor of favorable treatment endpoints. Understanding the pathophysiology involved in transmural disease is critical to achieving these endpoints. However, most studies have focused on the intestinal mucosa, overlooking the contribution of the intestinal wall in Crohn's disease. Multi-omics approaches have provided new avenues for exploring the pathogenesis of Crohn's disease and identifying potential biomarkers. We aimed to use transcriptomic and proteomic technologies to compare immune and mesenchymal cell profiles and pathways in the mucosal and submucosa/wall compartments to better understand chronic refractory disease elements to achieve transmural healing. The results revealed similarities and differences in gene and protein expression profiles, metabolic mechanisms, and immune and non-immune pathways between these two compartments. Additionally, the identification of protein isoforms highlights the complex molecular mechanisms underlying this disease, such as decreased RTN4 isoforms (RTN4B2 and RTN4C) in the submucosa/wall, which may be related to the dysregulation of enteric neural processes. These findings have the potential to inform the development of novel therapeutic strategies to achieve TH.
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Affiliation(s)
- Liang Jin
- AbbVie Bioresearch Center, Worcester, MA 01605, USA; (L.J.)
| | | | - Jing Wang
- Immunology Research, AbbVie, Cambridge, MA 02139, USA (A.S.-F.)
| | - Yingtao Bi
- AbbVie Bioresearch Center, Worcester, MA 01605, USA; (L.J.)
| | - Fei Wang
- AbbVie Bioresearch Center, Worcester, MA 01605, USA; (L.J.)
| | | | | | - Chenqi Hu
- Alnylam Pharmaceuticals, Cambridge, MA 02139, USA
| | - Heather Knight
- AbbVie Bioresearch Center, Worcester, MA 01605, USA; (L.J.)
| | | | | | | | - Jean Marie Houghton
- Division of Gastroenterology, Department of Medicine, UMass Chan Medical School, Worcester, MA 01655, USA;
| | | | - Yu Tian
- AbbVie Bioresearch Center, Worcester, MA 01605, USA; (L.J.)
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21
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Zhang Y, Wu Z, Zhao Q, Liu Y, Huang Q, Zhang M, Li S, Wang D, Li N, Chi Y, Liu Y. Mesenteric Lymphatic B Cells Migrate to the Intestine and Aggravate DSS-Induced Colitis via the CXCR5-CXCL13 Axis. BIOLOGY 2024; 13:322. [PMID: 38785804 PMCID: PMC11117591 DOI: 10.3390/biology13050322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/29/2024] [Accepted: 05/02/2024] [Indexed: 05/25/2024]
Abstract
The pathogenesis of inflammatory bowel disease (IBD) is still unknown. Mesenteric lymphatics (MLs), which are closely related to the intestine in both anatomy and physiology, have been suggested to be involved in IBD. In the present study, we aim to investigate the effects of ML immune cells on IBD and explore the potential associated mechanisms. Acute colitis was induced in rats using dextran sulfate sodium salt (DSS). Mesenteric lymphangiogenesis, ML stenosis, and dilation were observed, with an increased proportion of MLB cells in DSS-induced colitis rats. The adoptive transfer of B cells isolated from ML (MLB) was employed to investigate their effects on colitis. MLB cells derived from DSS-induced colitis rats exhibited a higher propensity to migrate to the intestine. The proportion of colonic T cells was altered, along with the aggravated colitis induced by the adoptive transfer of MLB cells derived from DSS-induced colitis rats. RNA sequencing revealed increased Cxcr5 expression in MLB cells from colitis rats, while real-time PCR indicated an upregulation of its ligand Cxcl13 in the colon of colitis rats. These findings suggest that MLB cells may migrate to the intestine and aggravate colitis. In summary, colonic T cells respond to MLB cells from colitis rats, and MLB cells aggravate DSS-induced colitis via the CXCR5-CXCL13 axis.
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Affiliation(s)
- Yu Zhang
- Department of Gastroenterology, Peking University People’s Hospital, Beijing 100044, China; (Y.Z.); (Z.W.); (Q.Z.)
- Clinical Center of Immune-Mediated Digestive Diseases, Peking University People’s Hospital, Beijing 100044, China
| | - Zhe Wu
- Department of Gastroenterology, Peking University People’s Hospital, Beijing 100044, China; (Y.Z.); (Z.W.); (Q.Z.)
- Clinical Center of Immune-Mediated Digestive Diseases, Peking University People’s Hospital, Beijing 100044, China
| | - Qinghe Zhao
- Department of Gastroenterology, Peking University People’s Hospital, Beijing 100044, China; (Y.Z.); (Z.W.); (Q.Z.)
- Department of Central Laboratory and Institute of Clinical Molecular Biology, Peking University People’s Hospital, Beijing 100044, China; (D.W.); (N.L.)
| | - Yaming Liu
- Department of Gastroenterology and Hepatology, Xiamen University Zhongshan Hospital, Xiamen 361001, China;
| | - Qing Huang
- Department of Gastroenterology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China;
| | - Menglei Zhang
- Department of Animal Laboratory, Peking University People’s Hospital, Beijing 100044, China; (M.Z.); (S.L.)
| | - Shuolei Li
- Department of Animal Laboratory, Peking University People’s Hospital, Beijing 100044, China; (M.Z.); (S.L.)
| | - Di Wang
- Department of Central Laboratory and Institute of Clinical Molecular Biology, Peking University People’s Hospital, Beijing 100044, China; (D.W.); (N.L.)
| | - Na Li
- Department of Central Laboratory and Institute of Clinical Molecular Biology, Peking University People’s Hospital, Beijing 100044, China; (D.W.); (N.L.)
| | - Yujing Chi
- Department of Gastroenterology, Peking University People’s Hospital, Beijing 100044, China; (Y.Z.); (Z.W.); (Q.Z.)
- Department of Central Laboratory and Institute of Clinical Molecular Biology, Peking University People’s Hospital, Beijing 100044, China; (D.W.); (N.L.)
| | - Yulan Liu
- Department of Gastroenterology, Peking University People’s Hospital, Beijing 100044, China; (Y.Z.); (Z.W.); (Q.Z.)
- Clinical Center of Immune-Mediated Digestive Diseases, Peking University People’s Hospital, Beijing 100044, China
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Iacucci M, Maeda Y, Ghosh S. A Baby Step or a Real Giant Stride: Histomic Enabled by Artificial Intelligence to Predict Treatment Response in Pediatric Patients With Ulcerative Colitis. Gastroenterology 2024; 166:730-732. [PMID: 38460608 DOI: 10.1053/j.gastro.2024.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 03/06/2024] [Indexed: 03/11/2024]
Affiliation(s)
- Marietta Iacucci
- APC Microbiome Ireland, College of Medicine and Health, University College Cork, Cork, Ireland.
| | - Yasuharu Maeda
- APC Microbiome Ireland, College of Medicine and Health, University College Cork, Cork, Ireland
| | - Subrata Ghosh
- APC Microbiome Ireland, College of Medicine and Health, University College Cork, Cork, Ireland
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23
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Li J, Wang L, Ma Y, Liu Y. Inflammatory bowel disease and allergic diseases: A Mendelian randomization study. Pediatr Allergy Immunol 2024; 35:e14147. [PMID: 38773751 DOI: 10.1111/pai.14147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 04/25/2024] [Accepted: 05/06/2024] [Indexed: 05/24/2024]
Abstract
BACKGROUND Inflammatory bowel disease (IBD) and allergic diseases possess similar genetic backgrounds and pathogenesis. Observational studies have shown a correlation, but the exact direction of cause and effect remains unclear. The aim of this Mendelian randomization (MR) study is to assess bidirectional causality between inflammatory bowel disease and allergic diseases. METHOD We comprehensively analyzed the causal relationship between inflammatory bowel disease (IBD), Crohn's disease (CD), ulcerative colitis (UC) and allergic disease (asthma, Hay fever, and eczema) as a whole, allergic conjunctivitis (AC), atopic dermatitis (AD), allergic asthma (AAS), and allergic rhinitis (AR) by performing a bidirectional Mendelian randomization study using summary-level data from genome-wide association studies. The analysis results mainly came from the random-effects model of inverse variance weighted (IVW-RE). In addition, multivariate Mendelian randomization (MVMR) analysis was conducted to adjust the effect of body mass index (BMI) on the instrumental variables. RESULTS The IVW-RE method revealed that IBD genetically increased the risk of allergic disease as a whole (OR = 1.03, 95% CI = 1.01-1.04, fdr.p = .015), AC (OR = 1.04, 95% CI = 1.01-1.06, fdr.p = .011), and AD (OR = 1.06, 95% CI = 1.02-1.09, fdr.p = .004). Subgroup analysis further confirmed that CD increased the risk of allergic disease as a whole (OR = 1.02, 95% CI = 1.00-1.03, fdr.p = .031), AC (OR = 1.03, 95% CI = 1.01-1.05, fdr.p = .012), AD (OR = 1.06, 95% CI = 1.02-1.09, fdr.p = 2E-05), AAS (OR = 1.05, 95% CI = 1.02-1.08, fdr.p = .002) and AR (OR = 1.03, 95% CI = 1.00-1.07, fdr.p = .025), UC increased the risk of AAS (OR = 1.02, 95% CI = 0.98-1.07, fdr.p = .038). MVMR results showed that after taking BMI as secondary exposure, the causal effects of IBD on AC, IBD on AD, CD on allergic disease as a whole, CD on AC, CD on AD, CD on AAS, and CD on AR were still statistically significant. No significant association was observed in the reverse MR analysis. CONCLUSION This Mendelian randomized study demonstrated that IBD is a risk factor for allergic diseases, which is largely attributed to its subtype CD increasing the risk of AC, AD, ASS, and AR. Further investigations are needed to explore the causal relationship between allergic diseases and IBD.
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Affiliation(s)
- Jiawei Li
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lijun Wang
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yuqi Ma
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yuan Liu
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Jarmakiewicz-Czaja S, Ferenc K, Sokal-Dembowska A, Filip R. Nutritional Support: The Use of Antioxidants in Inflammatory Bowel Disease. Int J Mol Sci 2024; 25:4390. [PMID: 38673974 PMCID: PMC11050446 DOI: 10.3390/ijms25084390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
The problem of treating inflammatory bowel disease continues to be a topic of great interest for researchers. Despite the complexity surrounding their treatment and strategies to prolong periods of remission, there is a promising exploration of various compounds that have potential in combating inflammation and alleviating symptoms. Selenium, calcium, magnesium, zinc, and iron are among these compounds, offering a glimpse of hope in the treatment of IBD. These essential minerals not only hold the promise of reducing inflammation in these diseases, but also show the potential to enhance immune function and possibly influence the balance of intestinal microflora. By potentially modulating the gut microbiota, they may help support overall immune health. Furthermore, these compounds could play a crucial role in mitigating inflammation and minimising complications in patients with IBD. Furthermore, the protective effect of these compounds against mucosal damage in IBD and the protective effect of calcium itself against osteoporosis in this group of patients are notable.
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Affiliation(s)
- Sara Jarmakiewicz-Czaja
- Institute of Health Sciences, Medical College of Rzeszow University, 35-959 Rzeszow, Poland; (S.J.-C.); (A.S.-D.)
| | - Katarzyna Ferenc
- Institute of Medicine, Medical College of Rzeszow University, 35-959 Rzeszow, Poland;
| | - Aneta Sokal-Dembowska
- Institute of Health Sciences, Medical College of Rzeszow University, 35-959 Rzeszow, Poland; (S.J.-C.); (A.S.-D.)
| | - Rafał Filip
- Institute of Medicine, Medical College of Rzeszow University, 35-959 Rzeszow, Poland;
- Department of Gastroenterology with IBD Unit, Clinical Hospital No. 2, 35-301 Rzeszow, Poland
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25
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Agrawal M, Hansen AV, Colombel JF, Jess T, Allin KH. Association between early life exposure to agriculture, biodiversity, and green space and risk of inflammatory bowel disease: a population-based cohort study. EClinicalMedicine 2024; 70:102514. [PMID: 38495524 PMCID: PMC10940137 DOI: 10.1016/j.eclinm.2024.102514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 02/16/2024] [Accepted: 02/16/2024] [Indexed: 03/19/2024] Open
Abstract
Background Specific pollutants and environmental exposures are implicated in modulating inflammatory bowel disease (IBD) risk. However, the role of environmental exposures, particularly during the early life period, towards IBD risk, has not been systematically evaluated. Methods We conducted a nationwide population-based cohort study during the study period extending from January 1, 1995, to September 1, 2020, using cross-linked Danish registers, maps, and inventories to ascertain the impact of agricultural land use, biodiversity, green space, urban space, blue space, and normalized difference vegetation index during pregnancy and the first two years of life on IBD, Crohn's disease (CD), and ulcerative colitis (UC) risk, using adjusted Cox proportional hazards regression analyses. We adjusted for covariates sex, maternal age at delivery, calendar year of birth, municipal-level socioeconomic status, and first-degree relative with IBD. Findings Of 1,438,487 individuals included in the study who were followed from age 2 years until a median (IQR) age of 14 (8-20) years, 3768 individuals were diagnosed with IBD. Exposure to the second, third and highest quartiles of agriculture land use during early life, relative to the lowest quartile, were associated with increased CD risk (aHR 1.12, 95% CI 1.01, 1.26, 1.19, 95% CI 1.05, 1.34 and, 1.24 95% CI 1.06, 1.46, respectively). There was no association of agriculture land use with UC risk. Conversely, exposure to the third quartile of biodiversity in early life, compared to the lowest quartile, were associated with a lower CD risk (aHR 0.86, 95% CI 0.75, 0.98). A protective effect of greenspace was noted in the highest quartile for CD (aHR 0.87, 95% CI 0.78, 0.98). Interpretation In a nationwide cohort with long-term follow up data, early life environmental exposures were associated with modulation of CD risk, with a harmful effect of agriculture land use and protective effect of biodiversity and green space. Funding Danish National Research Foundation, the International Organization for the Study of Inflammatory Bowel Disease, the National Institute of Diabetes and Digestive and Kidney Diseases.
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Affiliation(s)
- Manasi Agrawal
- Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT), Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark
- The Dr. Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Anne V. Hansen
- Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT), Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark
| | - Jean-Frederic Colombel
- The Dr. Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Tine Jess
- Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT), Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark
- Department of Gastroenterology & Hepatology, Aalborg University Hospital, Aalborg, Denmark
| | - Kristine H. Allin
- Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT), Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark
- Department of Gastroenterology & Hepatology, Aalborg University Hospital, Aalborg, Denmark
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Lenti MV, Santacroce G, Broglio G, Rossi CM, Di Sabatino A. Recent advances in intestinal fibrosis. Mol Aspects Med 2024; 96:101251. [PMID: 38359700 DOI: 10.1016/j.mam.2024.101251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/02/2023] [Accepted: 01/29/2024] [Indexed: 02/17/2024]
Abstract
Despite many progresses have been made in the treatment of inflammatory bowel disease, especially due to the increasing number of effective therapies, the development of tissue fibrosis is a very common occurrence along the natural history of this condition. To a certain extent, fibrogenesis is a physiological and necessary process in all those conditions characterised by chronic inflammation. However, the excessive deposition of extracellular matrix within the bowel wall will end up in the formation of strictures, with the consequent need for surgery. A number of mechanisms have been described in this process, but some of them are not yet clear. For sure, the main trigger is the presence of a persistent inflammatory status within the mucosa, which in turn favours the occurrence of a pro-fibrogenic environment. Among the main key players, myofibroblasts, fibroblasts, immune cells, growth factors and cytokines must be mentioned. Although there are no available therapies able to target fibrosis, the only way to prevent it is by controlling inflammation. In this review, we summarize the state of art of the mechanisms involved in gut fibrogenesis, how to diagnose it, and which potential targets could be druggable to tackle fibrosis.
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Affiliation(s)
- Marco Vincenzo Lenti
- Department of Internal Medicine and Medical Therapeutics, University of Pavia, First Department of Internal Medicine, San Matteo Hospital Foundation, Pavia, Italy
| | - Giovanni Santacroce
- Department of Internal Medicine and Medical Therapeutics, University of Pavia, First Department of Internal Medicine, San Matteo Hospital Foundation, Pavia, Italy
| | - Giacomo Broglio
- Department of Internal Medicine and Medical Therapeutics, University of Pavia, First Department of Internal Medicine, San Matteo Hospital Foundation, Pavia, Italy
| | - Carlo Maria Rossi
- Department of Internal Medicine and Medical Therapeutics, University of Pavia, First Department of Internal Medicine, San Matteo Hospital Foundation, Pavia, Italy
| | - Antonio Di Sabatino
- Department of Internal Medicine and Medical Therapeutics, University of Pavia, First Department of Internal Medicine, San Matteo Hospital Foundation, Pavia, Italy.
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Xiao J, Guo X, Wang Z. Crosstalk between hypoxia-inducible factor-1α and short-chain fatty acids in inflammatory bowel disease: key clues toward unraveling the mystery. Front Immunol 2024; 15:1385907. [PMID: 38605960 PMCID: PMC11007100 DOI: 10.3389/fimmu.2024.1385907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Accepted: 03/19/2024] [Indexed: 04/13/2024] Open
Abstract
The human intestinal tract constitutes a complex ecosystem, made up of countless gut microbiota, metabolites, and immune cells, with hypoxia being a fundamental environmental characteristic of this ecology. Under normal physiological conditions, a delicate balance exists among these complex "residents", with disruptions potentially leading to inflammatory bowel disease (IBD). The core pathology of IBD features a disrupted intestinal epithelial barrier, alongside evident immune and microecological disturbances. Central to these interconnected networks is hypoxia-inducible factor-1α (HIF-1α), which is a key regulator in gut cells for adapting to hypoxic conditions and maintaining gut homeostasis. Short-chain fatty acids (SCFAs), as pivotal gut metabolites, serve as vital mediators between the host and microbiota, and significantly influence intestinal ecosystem. Recent years have seen a surge in research on the roles and therapeutic potential of HIF-1α and SCFAs in IBD independently, yet reviews on HIF-1α-mediated SCFAs regulation of IBD under hypoxic conditions are scarce. This article summarizes evidence of the interplay and regulatory relationship between SCFAs and HIF-1α in IBD, pivotal for elucidating the disease's pathogenesis and offering promising therapeutic strategies.
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Affiliation(s)
- Jinyin Xiao
- Graduate School, Hunan University of Traditional Chinese Medicine, Changsha, China
- Department of Anorectal, the Second Affiliated Hospital of Hunan University of Traditional Chinese Medicine, Changsha, China
| | - Xiajun Guo
- Department of Geriatric, the First People’s Hospital of Xiangtan City, Xiangtan, China
| | - Zhenquan Wang
- Department of Anorectal, the Second Affiliated Hospital of Hunan University of Traditional Chinese Medicine, Changsha, China
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28
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Tang X, Shang Y, Yang H, Song Y, Li S, Qin Y, Song J, Chen K, Liu Y, Zhang D, Chen L. Targeted delivery of Fc-fused PD-L1 for effective management of acute and chronic colitis. Nat Commun 2024; 15:1673. [PMID: 38396052 PMCID: PMC10891058 DOI: 10.1038/s41467-024-46025-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 02/12/2024] [Indexed: 02/25/2024] Open
Abstract
The PD-1/PD-L1 pathway in mucosal immunity is currently actively explored and considered as a target for inflammatory bowel disease (IBD) treatment. However, systemic PD-L1 administration may cause unpredictable adverse effects due to immunosuppression. Here we show that reactive oxygen species (ROS)-responsive nanoparticles enhance the efficacy and safety of PD-L1 in a mouse colitis model. The nanoparticles control the accumulation and release of PD-L1 fused to Fc (PD-L1-Fc) at inflammatory sites in the colon. The nanotherapeutics shows superiority in alleviating inflammatory symptoms over systemic PD-L1-Fc administration and mitigates the adverse effects of PD-L1-Fc administration. The nanoparticles-formulated PD-L1-Fc affects production of proinflammatory and anti-inflammatory cytokines, attenuates the infiltration of macrophages, neutrophils, and dendritic cells, increases the frequencies of Treg, Th1 and Tfh cells, reshapes the gut microbiota composition; and increases short-chain fatty acid production. In summary, PD-L1-Fc-decorated nanoparticles may provide an effective and safe strategy for the targeted treatment of IBD.
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Affiliation(s)
- Xudong Tang
- Institute of Gastroenterology of PLA, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Yangyang Shang
- Institute of Gastroenterology of PLA, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
- Department of Chemistry, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Hong Yang
- Institute of Gastroenterology of PLA, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Yalan Song
- Institute of Gastroenterology of PLA, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Shan Li
- Institute of Gastroenterology of PLA, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Yusi Qin
- Institute of Gastroenterology of PLA, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Jingyi Song
- Institute of Gastroenterology of PLA, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Kang Chen
- Institute of Gastroenterology of PLA, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Yang Liu
- Department of Laboratory Animal Science, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Dinglin Zhang
- Department of Chemistry, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China.
| | - Lei Chen
- Institute of Gastroenterology of PLA, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China.
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Zhang L, Agrawal M, Ng SC, Jess T. Early-life exposures and the microbiome: implications for IBD prevention. Gut 2024; 73:541-549. [PMID: 38123972 PMCID: PMC11150004 DOI: 10.1136/gutjnl-2023-330002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 11/29/2023] [Indexed: 12/23/2023]
Abstract
The early-life period is one of microbiome establishment and immune maturation. Early-life exposures are increasingly being recognised to play an important role in IBD risk. The composition of functions of the gut microbiome in the prenatal, perinatal, and postnatal period may be crucial towards development of health or disease, including IBD, later in life. We herein present a comprehensive summary of the interplay between early-life factors and microbiome perturbations, and their association with risk of IBD. In addition, we provide an overview of host and external factors in early life that are known to impact gut microbiome maturation and exposures implicated in IBD risk. Considering the emerging concept of IBD prevention, we propose strategies to minimise maternal and offspring exposure to potentially harmful variables and recommend protective measures during pregnancy and the postpartum period. This holistic view of early-life factors and microbiome signatures among mothers and their offspring will help frame our current understanding of their importance towards IBD pathogenesis and frame the roadmap for preventive strategies.
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Affiliation(s)
- Lin Zhang
- Microbiota I-Center (MagIC), Hong Kong SAR, China
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China
- Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Manasi Agrawal
- Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT), Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark
- The Dr. Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York NY, New York, USA
| | - Siew C Ng
- Microbiota I-Center (MagIC), Hong Kong SAR, China
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China
- Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Tine Jess
- Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT), Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark
- Department of Gastroenterology & Hepatology, Aalborg University Hospital, Aalborg, Denmark
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Gu X, Liu M, Wang M, Wang K, Zhou T, Wu Q, Dong N. Corin deficiency alleviates mucosal lesions in a mouse model of colitis induced by dextran sulfate sodium. Life Sci 2024; 339:122446. [PMID: 38246520 DOI: 10.1016/j.lfs.2024.122446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 01/10/2024] [Accepted: 01/16/2024] [Indexed: 01/23/2024]
Abstract
AIMS High dietary salt consumption is a risk factor for inflammatory bowel disease (IBD). Corin is a protease that activates atrial natriuretic peptide (ANP), thereby regulating sodium homeostasis. Corin acts in multiple tissues, including the intestine. In mice, corin deficiency impairs intestinal sodium excretion. This study aims to examine if reduced intestinal sodium excretion alters the pathophysiology of IBD. MAIN METHODS Wild-type (WT), Corin knockout (KO), and Corin kidney conditional KO (kcKO) mice were tested in a colitis model induced by dextran sulfide sodium (DSS). Effects of ANP on DSS-induced colitis were tested in WT and Corin KO mice. Body weight changes in the mice were monitored. Necropsy, histological analysis, and immunostaining studies were conducted to examine colon length and mucosal lesions. Fecal sodium levels were measured. RT-PCR was done to analyze proinflammatory genes in colon samples. KEY FINDINGS DSS-treated Corin KO mice had an ameliorated colitis phenotype with less body weight loss, longer colon lengths, smaller mucosal lesions, lower disease scores, more preserved goblet cells, and suppressed proinflammatory genes in the colon. In longitudinal studies, the DSS-treated Corin KO mice had delayed onset of colon mucosal lesions. ANP administration lessened the colitis in WT, but not Corin KO, mice. Analyses of WT, Corin KO, and Corin kcKO mice indicated that fecal sodium excretion, controlled by intestinal corin, may regulate inflammatory responses in DSS-induced colitis in mice. SIGNIFICANCE Our findings indicate a role of corin in intestinal pathophysiology, suggesting that reduced intestinal sodium level may offer protective benefits against IBD.
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Affiliation(s)
- Xiabing Gu
- Jiangsu Institute of Hematology, The First Affiliated Hospital and Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College, Soochow University, Suzhou, China; Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Prevention, Soochow University, Suzhou, China
| | - Meng Liu
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Prevention, Soochow University, Suzhou, China
| | - Mengting Wang
- Jiangsu Institute of Hematology, The First Affiliated Hospital and Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College, Soochow University, Suzhou, China; Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Prevention, Soochow University, Suzhou, China
| | - Kun Wang
- Jiangsu Institute of Hematology, The First Affiliated Hospital and Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College, Soochow University, Suzhou, China; Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Prevention, Soochow University, Suzhou, China
| | - Tiantian Zhou
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Prevention, Soochow University, Suzhou, China
| | - Qingyu Wu
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Prevention, Soochow University, Suzhou, China.
| | - Ningzheng Dong
- Jiangsu Institute of Hematology, The First Affiliated Hospital and Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College, Soochow University, Suzhou, China; Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Prevention, Soochow University, Suzhou, China.
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Vălean D, Zaharie R, Țaulean R, Usatiuc L, Zaharie F. Recent Trends in Non-Invasive Methods of Diagnosis and Evaluation of Inflammatory Bowel Disease: A Short Review. Int J Mol Sci 2024; 25:2077. [PMID: 38396754 PMCID: PMC10889152 DOI: 10.3390/ijms25042077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/04/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Inflammatory bowel diseases are a conglomerate of disorders causing inflammation of the gastrointestinal tract, which have gained a significant increase in prevalence in the 21st century. As they present a challenge in the terms of diagnosis as well as treatment, IBDs can present an overwhelming impact on the individual and can take a toll on healthcare costs. Thus, a quick and precise diagnosis is required in order to prevent the high number of complications that can arise from a late diagnosis as well as a misdiagnosis. Although endoscopy remains the primary method of evaluation for IBD, recent trends have highlighted various non-invasive methods of diagnosis as well as reevaluating previous ones. This review focused on the current non-invasive methods in the diagnosis of IBD, exploring their possible implementation in the near future, with the goal of achieving earlier, feasible, and cheap methods of diagnosis as well as prognosis in IBD.
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Affiliation(s)
- Dan Vălean
- Regional Institute of Gastroenterology and Hepatology “Octavian Fodor”, 400162 Cluj-Napoca, Romania; (D.V.); (R.Ț.); (F.Z.)
- Department of General Surgery, University of Medicine and Pharmacy “Iuliu Hațieganu”, 400347 Cluj-Napoca, Romania
| | - Roxana Zaharie
- Regional Institute of Gastroenterology and Hepatology “Octavian Fodor”, 400162 Cluj-Napoca, Romania; (D.V.); (R.Ț.); (F.Z.)
- Department of Gastroenterology, University of Medicine and Pharmacy “Iuliu Hațieganu”, 400347 Cluj-Napoca, Romania
| | - Roman Țaulean
- Regional Institute of Gastroenterology and Hepatology “Octavian Fodor”, 400162 Cluj-Napoca, Romania; (D.V.); (R.Ț.); (F.Z.)
- Department of General Surgery, University of Medicine and Pharmacy “Iuliu Hațieganu”, 400347 Cluj-Napoca, Romania
| | - Lia Usatiuc
- Department of Patophysiology, University of Medicine and Pharmacy “Iuliu Hațieganu”, 400347 Cluj-Napoca, Romania;
| | - Florin Zaharie
- Regional Institute of Gastroenterology and Hepatology “Octavian Fodor”, 400162 Cluj-Napoca, Romania; (D.V.); (R.Ț.); (F.Z.)
- Department of General Surgery, University of Medicine and Pharmacy “Iuliu Hațieganu”, 400347 Cluj-Napoca, Romania
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Li M, Han X, Sun L, Liu X, Zhang W, Hao J. Indole-3-acetic acid alleviates DSS-induced colitis by promoting the production of R-equol from Bifidobacterium pseudolongum. Gut Microbes 2024; 16:2329147. [PMID: 38528729 PMCID: PMC10968315 DOI: 10.1080/19490976.2024.2329147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 03/07/2024] [Indexed: 03/27/2024] Open
Abstract
BACKGROUND Inflammatory bowel disease (IBD) is characterized by immune-mediated, chronic inflammation of the intestinal tract. The occurrence of IBD is driven by the complex interactions of multiple factors. The objective of this study was to evaluate the therapeutic effects of IAA in colitis. METHOD C57/BL6 mice were administered 2.5% DSS in drinking water to induce colitis. IAA, Bifidobacterium pseudolongum, and R-equol were administered by oral gavage and fed a regular diet. The Disease Activity Index was used to evaluate disease activity. The degree of colitis was evaluated using histological morphology, RNA, and inflammation marker proteins. CD45+ CD4+ FOXP3+ Treg and CD45+ CD4+ IL17A+ Th17 cells were detected by flow cytometry. Analysis of the gut microbiome in fecal content was performed using 16S rRNA gene sequencing. Gut microbiome metabolites were analyzed using Untargeted Metabolomics. RESULT In our study, we found IAA alleviates DSS-induced colitis in mice by altering the gut microbiome. The abundance of Bifidobacterium pseudolongum significantly increased in the IAA treatment group. Bifidobacterium pseudolongum ATCC25526 alleviates DSS-induced colitis by increasing the ratio of Foxp3+T cells in colon tissue. R-equol alleviates DSS-induced colitis by increasing Foxp3+T cells, which may be the mechanism by which ATCC25526 alleviates DSS-induced colitis in mice. CONCLUSION Our study demonstrates that IAA, an indole derivative, alleviates DSS-induced colitis by promoting the production of Equol from Bifidobacterium pseudolongum, which provides new insights into gut homeostasis regulated by indole metabolites other than the classic AHR pathway.
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Affiliation(s)
- Miaomiao Li
- Department of Gastroenterology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Xue Han
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Beijing, China
| | - Lijun Sun
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Beijing, China
| | - Xinjuan Liu
- Department of Gastroenterology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Weizhen Zhang
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Beijing, China
| | - Jianyu Hao
- Department of Gastroenterology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
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Aroniadis OC, Grinspan AM. The Gut Microbiome: A Primer for the Clinician. Am J Gastroenterol 2024; 119:S2-S6. [PMID: 38153219 DOI: 10.14309/ajg.0000000000002583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 10/23/2023] [Indexed: 12/29/2023]
Affiliation(s)
- Olga C Aroniadis
- Division of Gastroenterology and Hepatology, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA
| | - Ari M Grinspan
- The Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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Zhang S, Huang Y, Lu G, Zhang Z, Wang Y, Liu Y, Wang W, Li Q, Li P, Wen Q, Cui B, Zhang F. Comparison between washed microbiota transplantation and infliximab: Medical cost during long-term management in patients with inflammatory bowel disease. J Chin Med Assoc 2024; 87:109-118. [PMID: 37988085 DOI: 10.1097/jcma.0000000000001025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2023] Open
Abstract
BACKGROUND Both infliximab (IFX) and fecal microbiota transplantation (FMT) have shown the efficacy for inflammatory bowel disease (IBD). However, there has no head-to-head study on the cost-value of the such treatments on IBD. This study aimed to compare the medical costs using IFX and the new method of FMT (washed microbiota transplantation [WMT]) in the long-term management for IBD under the current health economic condition in China. METHODS Patients with IBD who underwent initial WMT via upper gastrointestinal endoscopy, mid-gut tube, or colonic transendoscopic enteral tubing at a university hospital between April 2013 and August 2021 and achieved the long-term sustainment with WMT or WMT combined with mesalazine until August 2022 were recruited in the real-world. The costs and hospitalizations were analyzed among two therapies mentioned above and IFX standard therapy. The charge of WMT was stable in the long term at our center, and the charge of IFX came from virtual statistics publicized by China Healthcare Security. RESULTS Sixty eligible patients with IBD were included in the study. The long-term costs of patients using WMT monotherapy annually or per hospitalization were lower than those on WMT combined with mesalazine, respectively ( p < 0.001, respectively). The cumulative costs of IFX at the time of 0.52 and 0.85 years exceeded that of the above WMT, respectively ( p < 0.001, respectively). Besides, patients on WMT monotherapy paid 51.1 k CNY annually in the nonsustain phase but cut down the costs by 7.2 k CNY and duration of hospitalization by 5.1 days per hospitalization when reaching the goal of sustainment. CONCLUSION This study demonstrated that WMT could dramatically reduce the cost and duration of hospitalizations in the long-term sustainment in the current Chinese IBD cohort. Compared with IFX, WMT could be a good way for the patients with IBD achieving long-term sustainment and saving medical costs.
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Affiliation(s)
- Sheng Zhang
- Department of Microbiota Medicine & Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Lab of Holistic Integrative Enterology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yihao Huang
- Department of Microbiota Medicine & Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Lab of Holistic Integrative Enterology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Gaochen Lu
- Department of Microbiota Medicine & Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Lab of Holistic Integrative Enterology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zulun Zhang
- Department of Microbiota Medicine & Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Lab of Holistic Integrative Enterology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yun Wang
- Department of Microbiota Medicine & Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Lab of Holistic Integrative Enterology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yujie Liu
- Department of Microbiota Medicine & Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Lab of Holistic Integrative Enterology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Weihong Wang
- Department of Microbiota Medicine & Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Lab of Holistic Integrative Enterology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Qianqian Li
- Department of Microbiota Medicine & Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Lab of Holistic Integrative Enterology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Pan Li
- Department of Microbiota Medicine & Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Lab of Holistic Integrative Enterology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Quan Wen
- Department of Microbiota Medicine & Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Lab of Holistic Integrative Enterology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Bota Cui
- Department of Microbiota Medicine & Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Lab of Holistic Integrative Enterology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Faming Zhang
- Department of Microbiota Medicine & Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Lab of Holistic Integrative Enterology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Department of Microbiotherapy, Sir Run Run Hospital, Nanjing Medical University, Nanjing, China
- National Clinical Research Center for Digestive Diseases, Xi'an, China
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Zhang S, Sun Y, Nie Q, Hu J, Li Y, Shi Z, Ji H, Zhang H, Zhao M, Chen C, Nie S. Effects of four food hydrocolloids on colitis and their regulatory effect on gut microbiota. Carbohydr Polym 2024; 323:121368. [PMID: 37940266 DOI: 10.1016/j.carbpol.2023.121368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 08/21/2023] [Accepted: 09/04/2023] [Indexed: 11/10/2023]
Abstract
Hydrocolloids are important food additives and have potential regulatory effects on gut microbiota. The development of colitis is closely related to changes in gut microbiota. The effect of food hydrocolloids on the structure of the gut microbiota and their impact on colitis has not been well investigated. Therefore, this study investigated the effects of four hydrocolloids (carrageenan, guar gum, xanthan gum, and pectin) on colitis, and explored their regulatory effects on gut microbiota. The results indicated that pectin and guar effectively alleviated body weight loss and disease activity index, reduced inflammatory cytokine levels, and promoted short-chain fatty acids (SCFAs) production. They increased the abundance of Akkermansia muciniphila, Oscillospira, and Lactobacillus, and Akkermansia abundance had a negative correlation with the severity of colitis. In contrast, carrageenan and xanthan gum did not significantly improve colitis, and carrageenan reduced the production of SCFAs. Both carrageenan and xanthan gum increased the abundance of Ruminococcus gnavus, and Ruminococcus abundance was positively correlated with the severity of colitis. These findings suggest that food additives have an impact on host health and provide guidance for the diet of patients with colitis.
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Affiliation(s)
- Shanshan Zhang
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology, Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang 330047, China
| | - Yonggan Sun
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology, Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang 330047, China
| | - Qixing Nie
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology, Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang 330047, China
| | - Jielun Hu
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology, Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang 330047, China
| | - Yuhao Li
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology, Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang 330047, China
| | - Zefu Shi
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology, Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang 330047, China
| | - Haihua Ji
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology, Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang 330047, China
| | - Hao Zhang
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology, Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang 330047, China
| | - Mingjiao Zhao
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology, Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang 330047, China
| | - Chunhua Chen
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology, Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang 330047, China
| | - Shaoping Nie
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology, Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang 330047, China.
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Luiz-Ferreira A, Stolfi C. Special Issue "Drug Treatments for Inflammatory Bowel Diseases". Pharmaceuticals (Basel) 2023; 17:59. [PMID: 38256892 PMCID: PMC10818883 DOI: 10.3390/ph17010059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 12/08/2023] [Indexed: 01/24/2024] Open
Abstract
Inflammatory bowel diseases (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), are chronic idiopathic, relapsing and remitting inflammatory diseases that affect the gastrointestinal tract, causing significant morbidity and loss of quality of life in affected individuals [...].
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Affiliation(s)
- Anderson Luiz-Ferreira
- Inflammatory Bowel Disease Research Laboratory, Department of Biological Sciences, Institute of Biotechnology, Federal University of Catalão (UFCAT), Catalão 75704-020, GO, Brazil
| | - Carmine Stolfi
- Department of Systems Medicine, University of Rome “Tor Vergata”, 00133 Rome, Italy;
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Richie TG, Heeren L, Kamke A, Monk K, Pogranichniy S, Summers T, Wiechman H, Ran Q, Sarkar S, Plattner BL, Lee STM. Limitation of amino acid availability by bacterial populations during enhanced colitis in IBD mouse model. mSystems 2023; 8:e0070323. [PMID: 37909786 PMCID: PMC10746178 DOI: 10.1128/msystems.00703-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 09/27/2023] [Indexed: 11/03/2023] Open
Abstract
IMPORTANCE Inflammatory bowel disease is associated with an increase in Enterobacteriaceae and Enterococcus species; however, the specific mechanisms are unclear. Previous research has reported the associations between microbiota and inflammation, here we investigate potential pathways that specific bacteria populations use to drive gut inflammation. Richie et al. show that these bacterial populations utilize an alternate sulfur metabolism and are tolerant of host-derived immune-response products. These metabolic pathways drive host gut inflammation and fuel over colonization of these pathobionts in the dysbiotic colon. Cultured isolates from dysbiotic mice indicated faster growth supplemented with L-cysteine, showing these microbes can utilize essential host nutrients.
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Affiliation(s)
- Tanner G. Richie
- Division of Biology, Kansas State University, Manhattan, Kansas, USA
| | - Leah Heeren
- Division of Biology, Kansas State University, Manhattan, Kansas, USA
| | - Abigail Kamke
- Division of Biology, Kansas State University, Manhattan, Kansas, USA
| | - Kourtney Monk
- Division of Biology, Kansas State University, Manhattan, Kansas, USA
| | | | - Trey Summers
- Division of Biology, Kansas State University, Manhattan, Kansas, USA
| | - Hallie Wiechman
- Division of Biology, Kansas State University, Manhattan, Kansas, USA
| | - Qinghong Ran
- Division of Biology, Kansas State University, Manhattan, Kansas, USA
| | - Soumyadev Sarkar
- Division of Biology, Kansas State University, Manhattan, Kansas, USA
| | - Brandon L. Plattner
- Department of Diagnostic Medicine and Pathobiology, Kansas State University, Manhattan, Kansas, USA
| | - Sonny T. M. Lee
- Division of Biology, Kansas State University, Manhattan, Kansas, USA
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Ott A, Tutdibi E, Goedicke-Fritz S, Schöpe J, Zemlin M, Nourkami-Tutdibi N. Serum cytokines MCP-1 and GCS-F as potential biomarkers in pediatric inflammatory bowel disease. PLoS One 2023; 18:e0288147. [PMID: 37922289 PMCID: PMC10624322 DOI: 10.1371/journal.pone.0288147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 06/20/2023] [Indexed: 11/05/2023] Open
Abstract
BACKGROUND Inflammatory bowel diseases (IBDs) with the subtypes ulcerative colitis (UC) and Crohn disease (CD), are chronic autoimmune inflammatory disorders of the gastrointestinal tract. Cytokines are associated with the development and progression in pediatric IBD. We measured cytokine levels in pediatric IBD patients to assess their potential function as biomarkers in disease assessment. METHOD In this prospective cohort study, we enrolled 33 children with IBD. All patients were in stable remission for 3 months on enrollment. Patients who developed a relapse within six months after enrollment were classified as relapsers. Blood sampling was performed at enrolment and for relapsers in relapse and post-relapse. Serum concentrations of 14 cytokines, chemokines and growth factors (IL-1α, IL-1β, IL-6, IL-12p40, IP-10, TNF-α, IFN-γ, IL-10, IL-8, MIP-1α, MCP-1, MCP-3, G-CSF, GM-CSF) were measured simultaneously using multiplex bead-based sandwich immunoassay on Luminex 100 system. RESULTS MCP-1 was significantly higher in CD patients compared to UC patients at each disease stage: stable remission (P<0.048), unstable remission (P<0.013), relapse (P<0.026) and post-relapse (P<0.024). G-CSF was significantly increased in UC patients developing a relapse and in post-relapse stage compared to UC patients in remission (P<0.02 and p<0.03, respectively). CONCLUSION MCP-1 showed potential as a diagnostic biomarker in CD patients independent of disease activity as it was able to discriminate between subtypes of pediatric IBD. In UC patients, G-CSF was significantly elevated in relapsers indicating its use and role as a potential prognostic biomarker.
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Affiliation(s)
- Andrea Ott
- Hospital for General Pediatrics and Neonatology, Saarland University Medical Center, Homburg/Saar, Germany
| | - Erol Tutdibi
- Hospital for General Pediatrics and Neonatology, Saarland University Medical Center, Homburg/Saar, Germany
| | - Sybelle Goedicke-Fritz
- Hospital for General Pediatrics and Neonatology, Saarland University Medical Center, Homburg/Saar, Germany
| | - Jakob Schöpe
- Institute of Medical Biometry, Epidemiology and Medical Informatics, Saarland University, Homburg/Saar, Germany
| | - Michael Zemlin
- Hospital for General Pediatrics and Neonatology, Saarland University Medical Center, Homburg/Saar, Germany
| | - Nasenien Nourkami-Tutdibi
- Hospital for General Pediatrics and Neonatology, Saarland University Medical Center, Homburg/Saar, Germany
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Ng SC. Exploring the Early-Life Microbiome and Future Risk of Inflammatory Bowel Disease. Gastroenterol Hepatol (N Y) 2023; 19:693-696. [PMID: 38405228 PMCID: PMC10882862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Affiliation(s)
- Siew C Ng
- Director, Microbiota I-Center (MagIC) Associate Director, Centre for Gut Microbiota Research Professor, Department of Medicine and Therapeutics Division of Gastroenterology and Hepatology State Key Laboratory of Digestive Disease The Chinese University of Hong Kong Shatin, Hong Kong
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40
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Guo L, Chen Q, Gao Y, Jiang H, Zhou F, Zhang F, Xu M. CDP-choline modulates cholinergic signaling and gut microbiota to alleviate DSS-induced inflammatory bowel disease. Biochem Pharmacol 2023; 217:115845. [PMID: 37827341 DOI: 10.1016/j.bcp.2023.115845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 09/30/2023] [Accepted: 10/03/2023] [Indexed: 10/14/2023]
Abstract
Inflammatory bowel diseases (IBD) represent chronic gastrointestinal inflammatory disorders characterized by a complex and underexplored pathogenic mechanism. Previous research has revealed that IBD patients often have a deficiency of choline and its metabolites, including acetylcholine (ACh) and phosphatidylcholine (PC), within the colon. However, a comprehensive study linking these three substances and their mechanistic implications in IBD remains lacking. This study aimed to investigate the efficacy and underlying mechanism of cytidine diphosphate (CDP)-choline (citicoline), an intermediate product of choline metabolism, in a mouse model of IBD induced by dextran sulfate sodium salt (DSS). The results demonstrated that CDP-choline effectively alleviated colonic inflammation and deficiencies in choline, ACh, and PC by increasing the raw material. Further detection showed that CDP-choline also increased the ACh content by altering the expression of high-affinity choline transporter (ChT1) and acetylcholinesterase (AChE) in DSS-induced mice colon. Moreover, CDP-choline increased the expression of alpha7 nicotinic acetylcholine receptor (α7 nAChR) and activated the cholinergic anti-inflammatory pathway (CAP), leading to reduced colon macrophage activation and proinflammatory M1 polarization in IBD mice, thus reducing the levels of TNF-α and IL-6. In addition, CDP-choline reduced intestinal ecological imbalance and increased the content of hexanoic acid in short-chain fatty acids (SCFAs) in mice. In conclusion, this study elucidates the ability of CDP-choline to mitigate DSS-induced colon inflammation by addressing choline and its metabolites deficiencies, activating the CAP, and regulating the composition of the intestinal microbiome and SCFAs content, providing a potential prophylactic and therapeutic approach for IBD.
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Affiliation(s)
- Lingnan Guo
- The First School of Clinical Medicine of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China; Department of Radiology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou 310006, China; Key Laboratory of Digestive Pathophysiology of Zhejiang Province, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, China
| | - Qiang Chen
- The First School of Clinical Medicine of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China; Department of Radiology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou 310006, China; Department of Neurology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou 310006, China
| | - Yiyuan Gao
- The First School of Clinical Medicine of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China; Department of Radiology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou 310006, China; Key Laboratory of Digestive Pathophysiology of Zhejiang Province, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, China
| | - Hao Jiang
- The First School of Clinical Medicine of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China; Department of Radiology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou 310006, China; Key Laboratory of Digestive Pathophysiology of Zhejiang Province, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, China
| | - Feini Zhou
- The First School of Clinical Medicine of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China; Department of Radiology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou 310006, China; Key Laboratory of Digestive Pathophysiology of Zhejiang Province, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, China
| | - Fan Zhang
- The First School of Clinical Medicine of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China; Department of Radiology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou 310006, China; Key Laboratory of Digestive Pathophysiology of Zhejiang Province, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, China.
| | - Maosheng Xu
- The First School of Clinical Medicine of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China; Department of Radiology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou 310006, China; Key Laboratory of Digestive Pathophysiology of Zhejiang Province, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, China.
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Fiocchi C. Omics and Multi-Omics in IBD: No Integration, No Breakthroughs. Int J Mol Sci 2023; 24:14912. [PMID: 37834360 PMCID: PMC10573814 DOI: 10.3390/ijms241914912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/27/2023] [Accepted: 10/02/2023] [Indexed: 10/15/2023] Open
Abstract
The recent advent of sophisticated technologies like sequencing and mass spectroscopy platforms combined with artificial intelligence-powered analytic tools has initiated a new era of "big data" research in various complex diseases of still-undetermined cause and mechanisms. The investigation of these diseases was, until recently, limited to traditional in vitro and in vivo biological experimentation, but a clear switch to in silico methodologies is now under way. This review tries to provide a comprehensive assessment of state-of-the-art knowledge on omes, omics and multi-omics in inflammatory bowel disease (IBD). The notion and importance of omes, omics and multi-omics in both health and complex diseases like IBD is introduced, followed by a discussion of the various omics believed to be relevant to IBD pathogenesis, and how multi-omics "big data" can generate new insights translatable into useful clinical tools in IBD such as biomarker identification, prediction of remission and relapse, response to therapy, and precision medicine. The pitfalls and limitations of current IBD multi-omics studies are critically analyzed, revealing that, regardless of the types of omes being analyzed, the majority of current reports are still based on simple associations of descriptive retrospective data from cross-sectional patient cohorts rather than more powerful longitudinally collected prospective datasets. Given this limitation, some suggestions are provided on how IBD multi-omics data may be optimized for greater clinical and therapeutic benefit. The review concludes by forecasting the upcoming incorporation of multi-omics analyses in the routine management of IBD.
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Affiliation(s)
- Claudio Fiocchi
- Department of Inflammation & Immunity, Lerner Research Institute, Cleveland, OH 44195, USA;
- Department of Gastroenterology, Hepatology and Nutrition, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, OH 44195, USA
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Hosack T, Thomas T, Ravindran R, Uhlig HH, Travis SPL, Buckley CD. Inflammation across tissues: can shared cell biology help design smarter trials? Nat Rev Rheumatol 2023; 19:666-674. [PMID: 37666996 DOI: 10.1038/s41584-023-01007-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/20/2023] [Indexed: 09/06/2023]
Abstract
Immune-mediated inflammatory diseases (IMIDs) are responsible for substantial global disease burden and associated health-care costs. Traditional models of research and service delivery silo their management within organ-based medical disciplines. Very often patients with disease in one organ have comorbid involvement in another, suggesting shared pathogenic pathways. Moreover, different IMIDs are often treated with the same drugs (including glucocorticoids, immunoregulators and biologics). Unlocking the cellular basis of these diseases remains a major challenge, leading us to ask why, if these diseases have so much in common, they are not investigated in a common manner. A tissue-based, cellular understanding of inflammation might pave the way for cross-disease, cross-discipline basket trials (testing one drug across two or more diseases) to reduce the risk of failure of early-phase drug development in IMIDs. This new approach will enable rapid assessment of the efficacy of new therapeutic agents in cross-disease translational research in humans.
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Affiliation(s)
- Tom Hosack
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Tom Thomas
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Rahul Ravindran
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Hans Holm Uhlig
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
- Biomedical Research Centre, University of Oxford, Oxford, UK
- Department of Paediatrics, University of Oxford, Oxford, UK
| | - Simon Piers Leigh Travis
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
- Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Christopher Dominic Buckley
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK.
- Biomedical Research Centre, University of Oxford, Oxford, UK.
- Institute for Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK.
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Yue NN, Xu HM, Xu J, Zhu MZ, Zhang Y, Tian CM, Nie YQ, Yao J, Liang YJ, Li DF, Wang LS. Therapeutic potential of gene therapy for gastrointestinal diseases: Advancements and future perspectives. Mol Ther Oncolytics 2023; 30:193-215. [PMID: 37663132 PMCID: PMC10471515 DOI: 10.1016/j.omto.2023.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2023] Open
Abstract
Advancements in understanding the pathogenesis mechanisms underlying gastrointestinal diseases, encompassing inflammatory bowel disease, gastrointestinal cancer, and gastroesophageal reflux disease, have led to the identification of numerous novel therapeutic targets. These discoveries have opened up exciting possibilities for developing gene therapy strategies to treat gastrointestinal diseases. These strategies include gene replacement, gene enhancement, gene overexpression, gene function blocking, and transgenic somatic cell transplantation. In this review, we introduce the important gene therapy targets and targeted delivery systems within the field of gastroenterology. Furthermore, we provide a comprehensive overview of recent progress in gene therapy related to gastrointestinal disorders and shed light on the application of innovative gene-editing technologies in treating these conditions. These developments are fueling a revolution in the management of gastrointestinal diseases. Ultimately, we discuss the current challenges (particularly regarding safety, oral efficacy, and cost) and explore potential future directions for implementing gene therapy in the clinical settings for gastrointestinal diseases.
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Affiliation(s)
- Ning-ning Yue
- Department of Gastroenterology, Shenzhen People’s Hospital (the Second Clinical Medical College, Jinan University), Shenzhen 518000, China
| | - Hao-ming Xu
- Department of Gastroenterology and Hepatology, Guangzhou Digestive Disease Center, Guangzhou First People’s Hospital, School of Medicine, South China University of Technology, Guangzhou 510000, China
| | - Jing Xu
- Department of Gastroenterology and Hepatology, Guangzhou Digestive Disease Center, Guangzhou First People’s Hospital, School of Medicine, South China University of Technology, Guangzhou 510000, China
| | - Min-zheng Zhu
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510000, China
| | - Yuan Zhang
- Department of Medical Administration, Huizhou Institute of Occupational Diseases Control and Prevention, Huizhou, Guangdong 516000, China
| | - Cheng-Mei Tian
- Department of Emergency, Shenzhen People’s Hospital (the Second Clinical Medical College, Jinan University, the First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518000, China
| | - Yu-qiang Nie
- Department of Gastroenterology and Hepatology, Guangzhou Digestive Disease Center, Guangzhou First People’s Hospital, School of Medicine, South China University of Technology, Guangzhou 510000, China
| | - Jun Yao
- Department of Gastroenterology, Shenzhen People’s Hospital (the Second Clinical Medical College, Jinan University, the First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518000, China
| | - Yu-jie Liang
- Department of Child and Adolescent Psychiatry, Shenzhen Kangning Hospital, Shenzhen 518000, China
| | - De-feng Li
- Department of Gastroenterology, Shenzhen People’s Hospital (the Second Clinical Medical College, Jinan University, the First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518000, China
| | - Li-sheng Wang
- Department of Gastroenterology, Shenzhen People’s Hospital (the Second Clinical Medical College, Jinan University, the First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518000, China
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44
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He X, Zhou H. Decoding the IBD paradox: A triadic interplay between REG3, enterococci, and NOD2. Cell Host Microbe 2023; 31:1425-1427. [PMID: 37708849 DOI: 10.1016/j.chom.2023.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 08/14/2023] [Indexed: 09/16/2023]
Abstract
In this issue of Cell Host & Microbe, Jang et al. decode an intriguing paradox: excessive antimicrobial peptide-regenerating family member 3 (REG3) expression in inflammatory bowel disease (IBD) patients depletes protective enterococci. This depletion impairs the NOD2 anti-inflammatory pathway and perpetuates inflammation, thus providing insight into IBD pathogenesis.
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Affiliation(s)
- Xiaolong He
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, 510655, China
| | - Hongwei Zhou
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, 510655, China; State Key Laboratory of Organ Failure Research, Southern Medical University, Guangzhou, Guangdong, 510655, China.
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45
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Agrawal M, Allin KH, Mehandru S, Faith J, Jess T, Colombel JF. The appendix and ulcerative colitis - an unsolved connection. Nat Rev Gastroenterol Hepatol 2023; 20:615-624. [PMID: 37081213 PMCID: PMC10527463 DOI: 10.1038/s41575-023-00774-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/29/2023] [Indexed: 04/22/2023]
Abstract
The appendix is thought to have a role in the pathogenesis of ulcerative colitis, but the nature and basis of this association remains unclear. In this Perspective, we consider the biology of the appendix with respect to its immunological function and the microbiome, and how this relates to evidence that supports the involvement of the appendix in ulcerative colitis. In experimental models, removal of the inflamed appendix prevents colitis, and in human observational studies, appendectomy is associated with protection against ulcerative colitis. Further, among people who develop ulcerative colitis, appendectomy before diagnosis might influence the course and outcomes of the disease - some evidence suggests that it protects against colectomy but could increase the risk of colorectal cancer. Appendectomy after onset of ulcerative colitis seems to have disparate consequences. Clinical trials to understand whether appendectomy has a role in the treatment of ulcerative colitis are ongoing. Major questions about the role of the appendix in the pathogenesis of ulcerative colitis remain unanswered, and further research is needed to establish whether the connection is clinically relevant.
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Affiliation(s)
- Manasi Agrawal
- The Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Center for Molecular Prediction of Inflammatory Bowel Disease, Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark.
| | - Kristine H Allin
- Center for Molecular Prediction of Inflammatory Bowel Disease, Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark
- Department of Gastroenterology and Hepatology, Aalborg University Hospital, Aalborg, Denmark
| | - Saurabh Mehandru
- The Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jeremiah Faith
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Tine Jess
- Center for Molecular Prediction of Inflammatory Bowel Disease, Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark
- Department of Gastroenterology and Hepatology, Aalborg University Hospital, Aalborg, Denmark
| | - Jean-Frederic Colombel
- The Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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46
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Meng G, Monaghan TM, Duggal NA, Tighe P, Peerani F. Microbial-Immune Crosstalk in Elderly-Onset Inflammatory Bowel Disease: Unchartered Territory. J Crohns Colitis 2023; 17:1309-1325. [PMID: 36806917 DOI: 10.1093/ecco-jcc/jjad025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Indexed: 02/23/2023]
Abstract
Elderly-onset inflammatory bowel disease [IBD] patients exhibit a distinct natural history compared to younger IBD patients, with unique disease phenotypes, differential responses to therapy, and increased surgical morbidity and mortality. Despite the foreseeable high demand for personalized medicine and specialized IBD care in the elderly, current paradigms of IBD management fail to capture the required nuances of care for elderly-onset IBD patients. Our review postulates the roles of systemic and mucosal immunosenescence, inflammageing and a dysbiotic microbial ecosystem in the pathophysiology of elderly-onset IBD. Ultimately, a better understanding of elderly-onset IBD can lead to improved patient outcomes and the tailoring of future preventative and treatment strategies.
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Affiliation(s)
- Guanmin Meng
- Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Tanya M Monaghan
- NIHR Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, UK
- Nottingham Digestive Diseases Centre, School of Medicine, University of Nottingham, Nottingham, UK
| | - Niharika A Duggal
- MRC-Arthritis Research UK Centre for Musculoskeletal Ageing Research, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | - Paddy Tighe
- School of Life Sciences, University of Nottingham, Nottingham, UK
| | - Farhad Peerani
- Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
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47
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Huang C, Hao W, Wang X, Zhou R, Lin Q. Probiotics for the treatment of ulcerative colitis: a review of experimental research from 2018 to 2022. Front Microbiol 2023; 14:1211271. [PMID: 37485519 PMCID: PMC10358780 DOI: 10.3389/fmicb.2023.1211271] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 06/22/2023] [Indexed: 07/25/2023] Open
Abstract
Ulcerative colitis (UC) has become a worldwide public health problem, and the prevalence of the disease among children has been increasing. The pathogenesis of UC has not been elucidated, but dysbiosis of the gut microbiota is considered the main cause of chronic intestinal inflammation. This review focuses on the therapeutic effects of probiotics on UC and the potential mechanisms involved. In animal studies, probiotics have been shown to alleviate symptoms of UC, including weight loss, diarrhea, blood in the stool, and a shortened colon length, while also restoring intestinal microecological homeostasis, improving gut barrier function, modulating the intestinal immune response, and attenuating intestinal inflammation, thereby providing theoretical support for the development of probiotic-based microbial products as an adjunctive therapy for UC. However, the efficacy of probiotics is influenced by factors such as the bacterial strain, dose, and form. Hence, the mechanisms of action need to be investigated further. Relevant clinical trials are currently lacking, so the extension of animal experimental findings to clinical application requires a longer period of consideration for validation.
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Affiliation(s)
- Cuilan Huang
- Wuxi People’s Hospital Affiliated to Nanjing Medical University, Wuxi Children’s Hospital, Wuxi, China
| | - Wujuan Hao
- Department of Digestive, Affiliated Children’s Hospital of Jiangnan University, Wuxi, China
| | - Xuyang Wang
- Wuxi People’s Hospital Affiliated to Nanjing Medical University, Wuxi Children’s Hospital, Wuxi, China
| | - Renmin Zhou
- Department of Digestive, Affiliated Children’s Hospital of Jiangnan University, Wuxi, China
| | - Qiong Lin
- Wuxi People’s Hospital Affiliated to Nanjing Medical University, Wuxi Children’s Hospital, Wuxi, China
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48
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Noble AJ, Nowak JK, Adams AT, Uhlig HH, Satsangi J. Defining Interactions Between the Genome, Epigenome, and the Environment in Inflammatory Bowel Disease: Progress and Prospects. Gastroenterology 2023; 165:44-60.e2. [PMID: 37062395 DOI: 10.1053/j.gastro.2023.03.238] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 03/08/2023] [Accepted: 03/24/2023] [Indexed: 04/18/2023]
Abstract
Recent advances in our understanding of the pathogenesis of inflammatory bowel disease (IBD) have highlighted the complex interplay between the genome, the epigenome, and the environment. Despite the exciting advances in genomics that have enabled the identification of over 200 susceptibility loci, these only account for a small proportion of the disease variance and the estimated heritability in IBD. It is likely that gene-environment (GxE) interactions contribute to "missing heritability" and these may act through epigenetic mechanisms. Several environmental factors, such as the microbiome, nutrition, and tobacco smoking, induce alterations in the epigenome of children and adults, which may impact disease susceptibility. Other mechanisms for GxE interactions are also directly pertinent in early life. We discuss a model in which environmental factors imprint disease risk in a window of susceptibility during infancy that may contribute to later disease onset, whereas other elements of the exposome act later in life and contribute directly to the pathogenesis and course of the disease. Understanding the mechanisms underlying GxE interactions may provide the basis for new therapeutic targets or preventative strategies for IBD.
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Affiliation(s)
- Alexandra J Noble
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom.
| | - Jan K Nowak
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Alex T Adams
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom; Biomedical Research Center, University of Oxford, Oxford, United Kingdom
| | - Holm H Uhlig
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom; Department of Pediatrics, University of Oxford, Oxford, United Kingdom; Biomedical Research Center, University of Oxford, Oxford, United Kingdom
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom; Biomedical Research Center, University of Oxford, Oxford, United Kingdom
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49
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Li S, Xu K, Cheng Y, Chen L, Yi A, Xiao Z, Zhao X, Chen M, Tian Y, Meng W, Tang Z, Zhou S, Ruan G, Wei Y. The role of complex interactions between the intestinal flora and host in regulating intestinal homeostasis and inflammatory bowel disease. Front Microbiol 2023; 14:1188455. [PMID: 37389342 PMCID: PMC10303177 DOI: 10.3389/fmicb.2023.1188455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 05/10/2023] [Indexed: 07/01/2023] Open
Abstract
Pharmacological treatment of inflammatory bowel disease (IBD) is inefficient and difficult to discontinue appropriately, and enterobacterial interactions are expected to provide a new target for the treatment of IBD. We collected recent studies on the enterobacterial interactions among the host, enterobacteria, and their metabolite products and discuss potential therapeutic options. Intestinal flora interactions in IBD are affected in the reduced bacterial diversity, impact the immune system and are influenced by multiple factors such as host genetics and diet. Enterobacterial metabolites such as SCFAs, bile acids, and tryptophan also play important roles in enterobacterial interactions, especially in the progression of IBD. Therapeutically, a wide range of sources of probiotics and prebiotics exhibit potential therapeutic benefit in IBD through enterobacterial interactions, and some have gained wide recognition as adjuvant drugs. Different dietary patterns and foods, especially functional foods, are novel therapeutic modalities that distinguish pro-and prebiotics from traditional medications. Combined studies with food science may significantly improve the therapeutic experience of patients with IBD. In this review, we provide a brief overview of the role of enterobacteria and their metabolites in enterobacterial interactions, discuss the advantages and disadvantages of the potential therapeutic options derived from such metabolites, and postulate directions for further research.
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Affiliation(s)
- Siyu Li
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
- Basic Medicine College of Army Medical University, Army Medical University, Chongqing, China
| | - Kan Xu
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
- Basic Medicine College of Army Medical University, Army Medical University, Chongqing, China
| | - Yi Cheng
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Lu Chen
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Ailin Yi
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Zhifeng Xiao
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Xuefei Zhao
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Minjia Chen
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yuting Tian
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Wei Meng
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Zongyuan Tang
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Shuhong Zhou
- Department of Laboratory Animal Center, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Guangcong Ruan
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yanling Wei
- Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
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50
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Dvornikova KA, Platonova ON, Bystrova EY. Inflammatory Bowel Disease: Crosstalk between Histamine, Immunity, and Disease. Int J Mol Sci 2023; 24:9937. [PMID: 37373085 DOI: 10.3390/ijms24129937] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 05/30/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
Inflammatory bowel disease (IBD) is increasingly recognized as a serious, worldwide public health concern. It is generally acknowledged that a variety of factors play a role in the pathogenesis of this group of chronic inflammatory diseases. The diversity of molecular actors involved in IBD does not allow us to fully assess the causal relationships existing in such interactions. Given the high immunomodulatory activity of histamine and the complex immune-mediated nature of inflammatory bowel disease, the role of histamine and its receptors in the gut may be significant. This paper has been prepared to provide a schematic of the most important and possible molecular signaling pathways related to histamine and its receptors and to assess their relevance for the development of therapeutic approaches.
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Affiliation(s)
| | - Olga N Platonova
- I.P. Pavlov Institute of Physiology RAS, St. Petersburg 199034, Russia
| | - Elena Y Bystrova
- I.P. Pavlov Institute of Physiology RAS, St. Petersburg 199034, Russia
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