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Chapman TP, Ahmad T, Satsangi J. Use of immunomodulators in combination with infliximab in Crohn's disease: time for a reappraisal? Lancet Gastroenterol Hepatol 2024; 9:402-405. [PMID: 38402894 DOI: 10.1016/s2468-1253(23)00406-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 02/27/2024]
Affiliation(s)
- Thomas P Chapman
- Department of Gastroenterology, St Richard's and Worthing Hospitals, University Hospitals Sussex NHS Foundation Trust, West Sussex, UK; Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, UK.
| | - Tariq Ahmad
- Department of Gastroenterology, Royal Devon University Healthcare NHS Foundation Trust, Exeter, UK; Exeter Inflammatory Bowel Disease and Pharmacogenetics Research Group, University of Exeter, Exeter, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, UK
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2
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Ashton JJ, Satsangi J, Uhlig HH. Intestinal inflammation and extraintestinal disease: understanding dynamic risk. Gastroenterology 2024:S0016-5085(24)00418-9. [PMID: 38604541 DOI: 10.1053/j.gastro.2024.03.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 03/21/2024] [Accepted: 03/24/2024] [Indexed: 04/13/2024]
Affiliation(s)
- James J Ashton
- Department of Human Genetics and Genomic Medicine, University of Southampton, Southampton, UK; Department of Paediatric Gastroenterology, Southampton Children's Hospital, Southampton, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Holm H 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
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3
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Zhao J, Chen J, Sun Y, Yuan S, Wellens J, Kalla R, Theodoratou E, Li X, Satsangi J. Defining gene-lifestyle interactions in inflammatory bowel disease: progress towards understanding disease pathogenesis. Gut 2024; 73:878-879. [PMID: 37015755 DOI: 10.1136/gutjnl-2023-329875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 03/24/2023] [Indexed: 04/06/2023]
Affiliation(s)
- Jianhui Zhao
- School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jie Chen
- School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Department of Gastroenterology, Central South University Third Xiangya Hospital, Changsha, Hunan, China
| | - Yuhao Sun
- School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Shuai Yuan
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Judith Wellens
- Gastroenterology and Hepatology, KU Leuven University Hospitals Leuven Gasthuisberg Campus Hospital Pharmacy, Leuven, Belgium
| | - Rahul Kalla
- Medical Research Council Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Evropi Theodoratou
- Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
- Centre for Global Health Research, Usher Institute, University of Edinburgh, Edinburgh, UK
| | - Xue Li
- School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jack Satsangi
- Translational Gastro-Intestinal Unit, Nuffield Department of Medicine, John Radcliffe Hospital, Oxford, UK
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Lindsay JO, Hind D, Swaby L, Berntsson H, Bradburn M, Bannur C U, Byrne J, Clarke C, Desoysa L, Dickins B, Din S, Emsley R, Foulds GA, Gribben J, Hawkey C, Irving PM, Kazmi M, Lee E, Loban A, Lobo A, Mahida Y, Moran GW, Papaioannou D, Parkes M, Peniket A, Pockley AG, Satsangi J, Subramanian S, Travis S, Turton E, Uttenthal B, Rutella S, Snowden JA. Safety and efficacy of autologous haematopoietic stem-cell transplantation with low-dose cyclophosphamide mobilisation and reduced intensity conditioning versus standard of care in refractory Crohn's disease (ASTIClite): an open-label, multicentre, randomised controlled trial. Lancet Gastroenterol Hepatol 2024; 9:333-345. [PMID: 38340759 DOI: 10.1016/s2468-1253(23)00460-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/20/2023] [Accepted: 12/20/2023] [Indexed: 02/12/2024]
Abstract
BACKGROUND A previous controlled trial of autologous haematopoietic stem-cell transplantation (HSCT) in patients with refractory Crohn's disease did not meet its primary endpoint and reported high toxicity. We aimed to assess the safety and efficacy of HSCT with an immune-ablative regimen of reduced intensity versus standard of care in this patient population. METHODS This open-label, multicentre, randomised controlled trial was conducted in nine National Health Service hospital trusts across the UK. Adults (aged 18-60 years) with active Crohn's disease on endoscopy (Simplified Endoscopic Score for Crohn's Disease [SES-CD] ulcer sub-score of ≥2) refractory to two or more classes of biological therapy, with no perianal or intra-abdominal sepsis or clinically significant comorbidity, were recruited. Participants were centrally randomly assigned (2:1) to either HSCT with a reduced dose of cyclophosphamide (intervention group) or standard care (control group). Randomisation was stratified by trial site by use of random permuted blocks of size 3 and 6. Patients in the intervention group underwent stem-cell mobilisation (cyclophosphamide 1 g/m2 with granulocyte colony-stimulating factor (G-CSF) 5 μg/kg) and stem-cell harvest (minimum 2·0 × 106 CD34+ cells per kg), before conditioning (fludarabine 125 mg/m2, cyclophosphamide 120 mg/kg, and rabbit anti-thymocyte globulin [thymoglobulin] 7·5 mg/kg in total) and subsequent stem-cell reinfusion supported by G-CSF. Patients in the control group continued any available conventional, biological, or nutritional therapy. The primary outcome was absence of endoscopic ulceration (SES-CD ulcer sub-score of 0) without surgery or death at week 48, analysed in the intention-to-treat population by central reading. This trial is registered with the ISRCTN registry, 17160440. FINDINGS Between Oct 18, 2018, and Nov 8, 2019, 49 patients were screened for eligibility, of whom 23 (47%) were randomly assigned: 13 (57%) to the intervention group and ten (43%) to the control group. In the intervention group, ten (77%) participants underwent HSCT and nine (69%) reached 48-week follow-up; in the control group, nine (90%) reached 48-week follow-up. The trial was halted in response to nine reported suspected unexpected serious adverse reactions in six (46%) patients in the intervention group, including renal failure due to proven thrombotic microangiopathy in three participants and one death due to pulmonary veno-occlusive disease. At week 48, absence of endoscopic ulceration without surgery or death was reported in three (43%) of seven participants in the intervention group and in none of six participants in the control group with available data. Serious adverse events were more frequent in the intervention group (38 in 13 [100%] patients) than in the control group (16 in four [40%] patients). A second patient in the intervention group died after week 48 of respiratory and renal failure. INTERPRETATION Although HSCT with an immune-ablative regimen of reduced intensity decreased endoscopic disease activity, significant adverse events deem this regimen unsuitable for future clinical use in patients with refractory Crohn's disease. FUNDING Efficacy and Mechanism Evaluation Programme, a Medical Research Council and National Institute for Health Research partnership.
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Affiliation(s)
- James O Lindsay
- Centre for Immunobiology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK.
| | - Daniel Hind
- Sheffield Clinical Trials Research Unit, University of Sheffield, Sheffield, UK
| | - Lizzie Swaby
- Sheffield Clinical Trials Research Unit, University of Sheffield, Sheffield, UK
| | - Hannah Berntsson
- Sheffield Clinical Trials Research Unit, University of Sheffield, Sheffield, UK
| | - Mike Bradburn
- Sheffield Clinical Trials Research Unit, University of Sheffield, Sheffield, UK
| | - Uday Bannur C
- Department of Radiology, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - Jennifer Byrne
- Department of Haematology, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - Christopher Clarke
- Department of Radiology, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - Lauren Desoysa
- Sheffield Clinical Trials Research Unit, University of Sheffield, Sheffield, UK
| | - Ben Dickins
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - Shahida Din
- Department of Gastroenterology, Western General Hospital, Edinburgh, UK
| | - Richard Emsley
- Department of Biostatistics & Health Informatics, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Gemma A Foulds
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - John Gribben
- Barts Cancer Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Christopher Hawkey
- NIHR Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust, Nottingham, UK; Translational Medical Sciences, School of Medicine, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham, UK
| | - Peter M Irving
- Department of Gastroenterology, Guy's and Saint Thomas' Hospitals NHS Trust, London, UK
| | - Majid Kazmi
- King's College Hospital NHS Foundation Trust, London, UK
| | - Ellen Lee
- Sheffield Clinical Trials Research Unit, University of Sheffield, Sheffield, UK
| | - Amanda Loban
- Sheffield Clinical Trials Research Unit, University of Sheffield, Sheffield, UK
| | - Alan Lobo
- Department of Gastroenterology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Yashwant Mahida
- NIHR Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust, Nottingham, UK; Translational Medical Sciences, School of Medicine, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham, UK
| | - Gordon W Moran
- NIHR Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust, Nottingham, UK; Translational Medical Sciences, School of Medicine, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham, UK
| | - Diana Papaioannou
- Sheffield Clinical Trials Research Unit, University of Sheffield, Sheffield, UK
| | - Miles Parkes
- Department of Medicine, University of Cambridge, Cambridge, UK
| | - Andrew Peniket
- Department of Haematology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - A Graham Pockley
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - Jack Satsangi
- NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Oxford, UK
| | | | - Simon Travis
- NIHR Biomedical Research Centre, Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, UK
| | - Emily Turton
- Sheffield Clinical Trials Research Unit, University of Sheffield, Sheffield, UK
| | - Ben Uttenthal
- Department of Clinical Haematology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Sergio Rutella
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - John A Snowden
- Division of Clinical Medicine, School of Medicine and Population Health, University of Sheffield, Sheffield, UK; Department of Haematology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
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Xiong W, Anthony DC, Anthony S, Ho TBT, Louis E, Satsangi J, Radford-Smith DE. Sodium fluoride preserves blood metabolite integrity for biomarker discovery in large-scale, multi-site metabolomics investigations. Analyst 2024; 149:1238-1249. [PMID: 38224241 DOI: 10.1039/d3an01359f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Background: Metabolite profiling of blood by nuclear magnetic resonance (NMR) is invaluable to clinical biomarker discovery. To ensure robustness, biomarkers require validation in large cohorts and across multiple centres. However, collection procedures are known to impact on the stability of biofluids that may, in turn, degrade biomarker signals. We trialled three blood collection tubes with the aim of solving technical challenges due to preanalytical variation in blood metabolite levels that are common in cohort studies. Methods: We first investigated global NMR-based metabolite variability between biobanks, including the large-scale UK Biobank and TwinsUK biobank of the general UK population, and more targeted biobanks derived from multicentre clinical trials relating to inflammatory bowel disease. We then compared the blood metabolome of 12 healthy adult volunteers when collected into either sodium fluoride/potassium oxalate, lithium heparin, or serum blood tubes using different pre-processing parameters. Results: Preanalytical variation in the method of blood collection strongly influences metabolite composition within and between biobanks. This variability can largely be attributed to glucose and lactate. In the healthy control cohort, the fluoride oxalate collection tube prevented fluctuation in glucose and lactate levels for 24 hours at either 4 °C or room temperature (20 °C). Conclusions: Blood collection into a fluoride oxalate collection tube appears to preserve the blood metabolome with delayed processing up to 24 hours at 4 °C. This method may be considered as an alternative when rapid processing is not feasible.
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Affiliation(s)
- Wenzheng Xiong
- Department of Chemistry, University of Oxford, Oxford, UK.
- Department of Pharmacology, Medical Sciences Division, University of Oxford, Oxford, UK
| | - Daniel C Anthony
- Department of Pharmacology, Medical Sciences Division, University of Oxford, Oxford, UK
| | - Suzie Anthony
- Department of Radiology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Thi Bao Tien Ho
- Department of Pharmacology, Medical Sciences Division, University of Oxford, Oxford, UK
| | - Edouard Louis
- Department of Gastroenterology, University Hospital CHU of Liège, Liège, Belgium
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, UK
| | - Daniel E Radford-Smith
- Department of Chemistry, University of Oxford, Oxford, UK.
- Department of Pharmacology, Medical Sciences Division, University of Oxford, Oxford, UK
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6
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Zhang H, Kalla R, Chen J, Zhao J, Zhou X, Adams A, Noble A, Ventham NT, Wellens J, Ho GT, Dunlop MG, Nowak JK, Ding Y, Liu Z, Satsangi J, Theodoratou E, Li X. Altered DNA methylation within DNMT3A, AHRR, LTA/TNF loci mediates the effect of smoking on inflammatory bowel disease. Nat Commun 2024; 15:595. [PMID: 38238335 PMCID: PMC10796384 DOI: 10.1038/s41467-024-44841-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 01/04/2024] [Indexed: 01/22/2024] Open
Abstract
This work aims to investigate how smoking exerts effect on the development of inflammatory bowel disease (IBD). A prospective cohort study and a Mendelian randomization study are first conducted to evaluate the association between smoking behaviors, smoking-related DNA methylation and the risks of Crohn's disease (CD) and ulcerative colitis (UC). We then perform both genome-wide methylation analysis and co-localization analysis to validate the observed associations. Compared to never smoking, current and previous smoking habits are associated with increased CD (P = 7.09 × 10-10) and UC (P < 2 × 10-16) risk, respectively. DNA methylation alteration at cg17742416 [DNMT3A] is linked to both CD (P = 7.30 × 10-8) and UC (P = 1.04 × 10-4) risk, while cg03599224 [LTA/TNF] is associated with CD risk (P = 1.91 × 10-6), and cg14647125 [AHRR] and cg23916896 [AHRR] are linked to UC risk (P = 0.001 and 0.002, respectively). Our study identifies biological mechanisms and pathways involved in the effects of smoking on the pathogenesis of IBD.
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Affiliation(s)
- Han Zhang
- Department of Big Data in Health Science School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Rahul Kalla
- Edinburgh IBD Science Unit, Centre for Inflammation Research, University of Edinburgh, Edinburgh, UK
| | - Jie Chen
- Department of Big Data in Health Science School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jianhui Zhao
- Department of Big Data in Health Science School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xuan Zhou
- Department of Big Data in Health Science School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Centre for Population Health Sciences, Usher Institute, University of Edinburgh, Edinburgh, UK
| | - Alex Adams
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Alexandra Noble
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Nicholas T Ventham
- Academic Coloproctology, University of Edinburgh, Western General Hospital, Edinburgh, UK
| | - Judith Wellens
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
- Department of Chronic Diseases and Metabolism, Translational Research Center for Gastrointestinal Disorders (TARGID), KU Leuven, Leuven, Belgium
| | - Gwo-Tzer Ho
- Edinburgh IBD Science Unit, Centre for Inflammation Research, University of Edinburgh, Edinburgh, UK
| | - Malcolm G Dunlop
- Cancer Research UK Scotland Centre and Medical Research Council Human Genetics Unit, University of Edinburgh, Edinburgh, UK
| | - Jan Krzysztof Nowak
- Department of Paediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Yuan Ding
- Department of Hepatobiliary and Pancreatic Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhanju Liu
- Center for IBD Research, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK.
| | - Evropi Theodoratou
- Cancer Research UK Scotland Centre and Medical Research Council Human Genetics Unit, University of Edinburgh, Edinburgh, UK.
- Centre for Global Health, Usher Institute, University of Edinburgh, Edinburgh, UK.
| | - Xue Li
- Department of Big Data in Health Science School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
- Centre for Population Health Sciences, Usher Institute, University of Edinburgh, Edinburgh, UK.
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7
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Alexander JL, Wyatt NJ, Camuzeaux S, Chekmeneva E, Jimenez B, Sands CJ, Fuller H, Takis P, Ahmad T, Doyle JA, Hart A, Irving PM, Kennedy NA, Lees CW, Lindsay JO, McIntyre RE, Parkes M, Prescott NJ, Raine T, Satsangi J, Speight RA, Jostins-Dean L, Powell N, Marchesi JR, Stewart CJ, Lamb CA. Considerations for peripheral blood transport and storage during large-scale multicentre metabolome research. Gut 2024; 73:379-383. [PMID: 36754608 PMCID: PMC10850673 DOI: 10.1136/gutjnl-2022-329297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 01/13/2023] [Indexed: 02/10/2023]
Affiliation(s)
- James L Alexander
- Department of Gastroenterology, Imperial College Healthcare NHS Trust, London, UK
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Nicola J Wyatt
- Department of Gastroenterology, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Stephane Camuzeaux
- National Phenome Centre, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Elena Chekmeneva
- National Phenome Centre, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Beatriz Jimenez
- National Phenome Centre, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Caroline J Sands
- National Phenome Centre, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Hannah Fuller
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Panteleimon Takis
- National Phenome Centre, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Tariq Ahmad
- Exeter Inflammatory Bowel Disease and Pharmacogenetics Research Group, University of Exeter, Exeter, Devon, UK
- Department of Gastroenterology, Royal Devon University Healthcare NHS Foundation Trust, Exeter, UK
| | - Jennifer A Doyle
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Ailsa Hart
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- Department of Gastroenterology, St Mark's Hospital and Academic Institute, London, UK
| | - Peter M Irving
- Department of Gastroenterology, Guy's and St Thomas' Hospitals NHS Trust, London, UK
- School of Immunology & Microbial Sciences, King's College London, London, UK
| | - Nicholas A Kennedy
- Exeter Inflammatory Bowel Disease and Pharmacogenetics Research Group, University of Exeter, Exeter, Devon, UK
- Department of Gastroenterology, Royal Devon University Healthcare NHS Foundation Trust, Exeter, UK
| | - Charlie W Lees
- Edinburgh IBD Unit, Western General Hospital, Edinburgh, UK
- Institute of Genetics & Molecular Medicine, The University of Edinburgh, Edinburgh, UK
| | - James O Lindsay
- Centre for Immunobiology, Blizard Institute, Barts and The London School of Medicine, Queen Mary University of London, London, UK
- Department of Gastroenterology, Barts Health NHS Trust, London, UK
| | - Rebecca E McIntyre
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire, UK
| | - Miles Parkes
- Department of Gastroenterology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, Cambridgeshire, UK
| | - Natalie J Prescott
- Division of Genetics and Molecular Medicine, King's College London, London, UK
| | - Tim Raine
- Department of Gastroenterology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, Cambridgeshire, UK
| | - Jack Satsangi
- Nuffield Department of Medicine, University of Oxford, Oxford, Oxfordshire, UK
| | - Richard Alexander Speight
- Department of Gastroenterology, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Luke Jostins-Dean
- Kennedy Institute of Rheumatology, Oxford University, Oxford, Oxfordshire, UK
| | - Nick Powell
- Department of Gastroenterology, Imperial College Healthcare NHS Trust, London, UK
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Julian R Marchesi
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Christopher J Stewart
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Christopher A Lamb
- Department of Gastroenterology, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
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8
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Dallari S, Martinez Pazos V, Munoz Eusse J, Wellens J, Thompson C, Colombel JF, Satsangi J, Cadwell K, Wong SY. Cytokine signature in convalescent SARS-CoV-2 patients with inflammatory bowel disease receiving vedolizumab. Sci Rep 2024; 14:186. [PMID: 38168138 PMCID: PMC10761911 DOI: 10.1038/s41598-023-50035-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 12/14/2023] [Indexed: 01/05/2024] Open
Abstract
While differential antibody responses SARS-CoV-2 in patients with inflammatory bowel disease (IBD) receiving infliximab and vedolizumab are well-characterized, the immune pathways underlying these differences remain unknown. Prior to COVID-19 vaccine development, we screened 235 patients with IBD receiving biological therapy for antibodies to SARS-CoV-2 and measured serum cytokines. In seropositive patients, we prospectively collected clinical data. We found a cytokine signature in patients receiving vedolizumab who are seropositive compared with seronegative for SARS-CoV-2 antibodies that may be linked to repeated SARS-CoV-2 infections. However, there were no differences between seropositive and seronegative patients receiving infliximab. In this single-center cohort of patients with IBD with anti-SARS-CoV-2 antibodies at the onset of the COVID-19 pandemic, and therefore without influence of vaccination, there is a cytokine signature in patients receiving vedolizumab but not infliximab. These findings lay the groundwork for further studies on immune consequences of viral infection in patients with IBD, which is postulated to evolve from aberrant host-microbe responses.
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Affiliation(s)
- Simone Dallari
- Department of Microbiology, New York University Grossman School of Medicine, New York, USA
| | - Vicky Martinez Pazos
- The Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1069, New York, NY, 10029, USA
| | | | - Judith Wellens
- Department of Gastroenterology and Hepatology, Leuven University Hospitals, Leuven, Belgium
| | - Craig Thompson
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Warwick, UK
| | - Jean-Frederic Colombel
- The Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1069, New York, NY, 10029, USA
| | - Jack Satsangi
- Nuffield Department of Medicine, Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Ken Cadwell
- Division of Gastroenterology and Hepatology, Department of Medicine, Department of Systems Pharmacology and Translational Therapeutics, Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Serre-Yu Wong
- The Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1069, New York, NY, 10029, USA.
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9
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González Cueto E, Edmans M, Wellens J, Cadwell K, Thompson C, Satsangi J, Wong SY. Antibody, not Cellular, Immune Responses to SARS-CoV-2 Vaccination Outperform Infection in Inflammatory Bowel Disease Patients. Inflamm Bowel Dis 2023:izad265. [PMID: 37935466 DOI: 10.1093/ibd/izad265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Indexed: 11/09/2023]
Affiliation(s)
| | - Matthew Edmans
- University of Oxford, Peter Medawar Building for Pathogen Research, Oxford, United Kingdom
| | - Judith Wellens
- University Hospitals Leuven-KU Leuven, Department of Gastroenterology and Hepatology, Leuven, Belgium
- University of Oxford, Translational Gastroenterology Unit, Nuffield Department of Medicine, Oxford, United Kingdom
| | - Ken Cadwell
- Warwick Medical School- University of Warwick, Division of Biomedical Sciences, Coventry, United Kingdom
| | - Craig Thompson
- University of Pennsylvania-Perelman School of Medicine, Division of Gastroenterology, Department of Medicine, Philadelphia, United States
| | - Jack Satsangi
- University of Oxford, Translational Gastroenterology Unit, Nuffield Department of Medicine, Oxford, United Kingdom
| | - Serre-Yu Wong
- Icahn School of Medicine at Mount Sinai, The Henry D. Janowitz Division of Gastroenterology, New York, United States
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10
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Wong SY, Wellens J, Helmus D, Marlow L, Brann S, Martinez Pazos V, Weinberg A, Moran HR, McGregor C, Vermeire S, Watanabe K, Kamikozuru K, Ahuja V, Vermani S, Lindsay JO, Kingston A, Dutta U, Kaur H, Silverberg MS, Milgrom R, Chien Ng S, Mak JWY, Cadwell K, Thompson C, Colombel JF, Satsangi J. Geography Influences Susceptibility to SARS-CoV-2 Serological Response in Patients With Inflammatory Bowel Disease: Multinational Analysis From the ICARUS-IBD Consortium. Inflamm Bowel Dis 2023; 29:1693-1705. [PMID: 37354560 DOI: 10.1093/ibd/izad097] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Indexed: 06/26/2023]
Abstract
BACKGROUND Beyond systematic reviews and meta-analyses, there have been no direct studies of serological response to COVID-19 in patients with inflammatory bowel disease (IBD) across continents. In particular, there has been limited data from Asia, with no data reported from India. The ICARUS-IBD (International study of COVID-19 Antibody Response Under Sustained immunosuppression in IBD) consortium assessed serological response to SARS-CoV-2 in patients with IBD in North America, Europe, and Asia. METHODS The ICARUS-IBD study is a multicenter observational cohort study spanning sites in 7 countries. We report seroprevalence data from 2303 patients with IBD before COVID-19 vaccination between May 2020 and November 2021. SARS-CoV-2 anti-spike and anti-nucleocapsid antibodies were analyzed. RESULTS The highest and lowest SARS-CoV-2 anti-spike seropositivity rates were found in Asia (81.2% in Chandigarh and 57.9% in Delhi, India; and 0% in Hong Kong). By multivariable analysis, country (India: odds ratio [OR], 18.01; 95% confidence interval [CI], 12.03-26.95; P < .0001; United Kingdom: OR, 2.43; 95% CI, 1.58-3.72; P < .0001; United States: OR, 2.21; 95% CI, 1.27-3.85; P = .005), male sex (OR, 1.46; 95% CI, 1.07-1.99; P = .016), and diabetes (OR, 2.37; 95% CI, 1.04-5.46; P = .039) conferred higher seropositivity rates. Biological therapies associated with lower seroprevalence (OR, 0.22; 95% CI, 0.15-0.33; P < .0001). Multiple linear regression showed associations between anti-spike and anti-nucleocapsid titers with medications (P < .0001) but not with country (P = .3841). CONCLUSIONS While the effects of medications on anti-SARS-CoV-2 antibody titers in patients with IBD were consistent across sites, geographical location conferred the highest risk of susceptibility to serologically detectable SARS-CoV-2 infection. Over half of IBD patients in India were seropositive prior to vaccination. These insights can help to inform shielding advice, therapeutic choices, and vaccine strategies in IBD patients for COVID-19 and future viral challenges.
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Affiliation(s)
- Serre-Yu Wong
- Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Judith Wellens
- Department of Gastroenterology and Hepatology, Leuven University Hospitals, Leuven, Belgium
| | - Drew Helmus
- Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Luke Marlow
- Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Stephanie Brann
- Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Vicky Martinez Pazos
- Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Alan Weinberg
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Hunter R Moran
- Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Colleen McGregor
- Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Séverine Vermeire
- Department of Gastroenterology and Hepatology, Leuven University Hospitals, Leuven, Belgium
| | - Kenji Watanabe
- Center for Inflammatory Bowel Disease, Division of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Koji Kamikozuru
- Center for Inflammatory Bowel Disease, Division of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Vineet Ahuja
- Department of Gastroenterology, All India Institute of Medical Sciences, New Delhi, India
| | - Shubi Vermani
- Department of Gastroenterology, All India Institute of Medical Sciences, New Delhi, India
| | - James O Lindsay
- Center for Immunobiology, Blizard Institute, Queen Mary University of London - Barts Health NHS Trust, London, United Kingdom
| | - Ashley Kingston
- Center for Immunobiology, Blizard Institute, Queen Mary University of London - Barts Health NHS Trust, London, United Kingdom
| | - Usha Dutta
- Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Harmandeep Kaur
- Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Mark S Silverberg
- Division of Gastroenterology, Department of Medicine, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Raquel Milgrom
- Division of Gastroenterology, Department of Medicine, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Siew Chien Ng
- Division of Gastroenterology and Hepatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Joyce Wing Yan Mak
- Division of Gastroenterology and Hepatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Ken Cadwell
- Division of Gastroenterology and Hepatology, Department of Medicine, Perelman School of Medicine of the University of Pennsylvania, Pennsylvania, PA, USA
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine of the University of Pennsylvania, Pennsylvania, PA, USA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine of the University of Pennsylvania, Pennsylvania, PA, USA
| | - Craig Thompson
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Warwick, United Kingdom
| | - Jean-Frédéric Colombel
- Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
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11
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Wellens J, Chen J, Fu T, Zhang Y, Kalla R, Satsangi J, Theodoratou E, Li X. Dietary Inflammatory Indices Are Not Associated With Inflammatory Bowel Disease Incidence and Progression. Inflamm Bowel Dis 2023:izad249. [PMID: 37878590 DOI: 10.1093/ibd/izad249] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Indexed: 10/27/2023]
Abstract
Lay Summary
Empirical dietary inflammatory pattern and the dietary inflammatory index are dietary inflammation indices, both previously associated with risk of inflammatory bowel disease. We show in the UK Biobank a null association between these indices and incident inflammatory bowel disease; we challenge the current ways in which these dietary indices are derived and interpreted. The need to account for the effects of food processing as well as the raw ingredients is emphasized as a confounding variable.
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Affiliation(s)
- Judith Wellens
- Translational Research Center for Gastrointestinal Disorders, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
- Translational Gastro-Intestinal Unit, John Radcliffe Hospital, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Jie Chen
- Center for Global Health, School of Public Health, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Department of Gastroenterology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Tian Fu
- Department of Gastroenterology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Yao Zhang
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rahul Kalla
- Medical Research Council Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Jack Satsangi
- Translational Gastro-Intestinal Unit, John Radcliffe Hospital, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Evropi Theodoratou
- Centre for Global Health Research, Usher Institute, University of Edinburgh, Edinburgh, United Kingdom
- Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Xue Li
- Center for Global Health, School of Public Health, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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12
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Nowak JK, Kalla R, Satsangi J. Current and emerging biomarkers for ulcerative colitis. Expert Rev Mol Diagn 2023; 23:1107-1119. [PMID: 37933807 DOI: 10.1080/14737159.2023.2279611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 11/01/2023] [Indexed: 11/08/2023]
Abstract
INTRODUCTION Ulcerative colitis (UC) is a chronic illness requiring lifelong management that could be enhanced by personalizing care using biomarkers. AREAS COVERED The main biomarker discovery modalities are reviewed, highlighting recent results across the spectrum of applications, including diagnostics (serum anti-αvβ6 antibodies achieving an area under the curve [AUC] = 0.99; serum oncostatin M AUC = 0.94), disease activity assessment (fecal calprotectin and serum trefoil factor 3: AUC > 0.90), prognostication of the need for treatment escalation (whole blood transcriptomic panels and CLEC5A/CDH2 ratio: AUC > 0.90), prediction of treatment response, and early identification of patients with subclinical disease. The use of established biomarkers is discussed, along with new evidence regarding autoantibodies, proteins, proteomic panels, transcriptomic signatures, deoxyribonucleic acid methylation patterns, and UC-specific glycomic and metabolic disturbances. EXPERT OPINION Novel biomarkers will pave the way for optimized UC care. However, validation, simplification, and direct clinical translation of complex models may prove challenging. Currently, few candidates exist to assess key characteristics, such as UC susceptibility, histological disease activity, drug response, and long-term disease behavior. Further research will likely not only reveal new tools to tackle these issues but also contribute to understanding UC pathogenesis mechanisms.
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Affiliation(s)
- Jan K Nowak
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Rahul Kalla
- Medical Research Council Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, Oxford, UK
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13
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Barnes E, Goodyear CS, Willicombe M, Gaskell C, Siebert S, I de Silva T, Murray SM, Rea D, Snowden JA, Carroll M, Pirrie S, Bowden SJ, Dunachie SJ, Richter A, Lim Z, Satsangi J, Cook G, Pope A, Hughes A, Harrison M, Lim SH, Miller P, Klenerman P, Basu N, Gilmour A, Irwin S, Meacham G, Marjot T, Dimitriadis S, Kelleher P, Prendecki M, Clarke C, Mortimer P, McIntyre S, Selby R, Meardon N, Nguyen D, Tipton T, Longet S, Laidlaw S, Orchard K, Ireland G, Thomas D, Kearns P, Kirkham A, McInnes IB. SARS-CoV-2-specific immune responses and clinical outcomes after COVID-19 vaccination in patients with immune-suppressive disease. Nat Med 2023; 29:1760-1774. [PMID: 37414897 PMCID: PMC10353927 DOI: 10.1038/s41591-023-02414-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 05/23/2023] [Indexed: 07/08/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) immune responses and infection outcomes were evaluated in 2,686 patients with varying immune-suppressive disease states after administration of two Coronavirus Disease 2019 (COVID-19) vaccines. Overall, 255 of 2,204 (12%) patients failed to develop anti-spike antibodies, with an additional 600 of 2,204 (27%) patients generating low levels (<380 AU ml-1). Vaccine failure rates were highest in ANCA-associated vasculitis on rituximab (21/29, 72%), hemodialysis on immunosuppressive therapy (6/30, 20%) and solid organ transplant recipients (20/81, 25% and 141/458, 31%). SARS-CoV-2-specific T cell responses were detected in 513 of 580 (88%) patients, with lower T cell magnitude or proportion in hemodialysis, allogeneic hematopoietic stem cell transplantation and liver transplant recipients (versus healthy controls). Humoral responses against Omicron (BA.1) were reduced, although cross-reactive T cell responses were sustained in all participants for whom these data were available. BNT162b2 was associated with higher antibody but lower cellular responses compared to ChAdOx1 nCoV-19 vaccination. We report 474 SARS-CoV-2 infection episodes, including 48 individuals with hospitalization or death from COVID-19. Decreased magnitude of both the serological and the T cell response was associated with severe COVID-19. Overall, we identified clinical phenotypes that may benefit from targeted COVID-19 therapeutic strategies.
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Affiliation(s)
- Eleanor Barnes
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Carl S Goodyear
- College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, UK
| | - Michelle Willicombe
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith Campus, London, UK
| | - Charlotte Gaskell
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Edgbaston, Birmingham, UK
| | - Stefan Siebert
- College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, UK
| | - Thushan I de Silva
- Department of Infection, Immunity and Cardiovascular Disease, The Medical School, The University of Sheffield, Sheffield, UK
| | - Sam M Murray
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Daniel Rea
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Edgbaston, Birmingham, UK
| | - John A Snowden
- Department of Haematology, Sheffield Teaching Hospitals NHS Foundation Trust, Royal Hallamshire Hospital, Sheffield, UK
| | - Miles Carroll
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Sarah Pirrie
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Edgbaston, Birmingham, UK
| | - Sarah J Bowden
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Edgbaston, Birmingham, UK
| | - Susanna J Dunachie
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Alex Richter
- Clinical Immunology Service, University of Birmingham, Edgbaston, Birmingham, UK
| | - Zixiang Lim
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Jack Satsangi
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Gordon Cook
- National Institute for Health Research, Leeds MIC, University of Leeds, Leeds, UK
| | - Ann Pope
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Edgbaston, Birmingham, UK
| | - Ana Hughes
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Edgbaston, Birmingham, UK
| | - Molly Harrison
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Edgbaston, Birmingham, UK
| | - Sean H Lim
- Centre for Cancer Immunology, University of Southampton, Southampton, UK
| | - Paul Miller
- British Society of Blood and Marrow Transplantation and Cellular Therapy, Guy's Hospital, London, UK
| | - Paul Klenerman
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Neil Basu
- College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, UK
| | - Ashley Gilmour
- College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, UK
| | - Sophie Irwin
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Georgina Meacham
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Thomas Marjot
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | | | - Peter Kelleher
- Department of Infectious Diseases, Imperial College London, School of Medicine Chelsea and Westminster Hospital, London, UK
| | - Maria Prendecki
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith Campus, London, UK
| | - Candice Clarke
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith Campus, London, UK
| | - Paige Mortimer
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith Campus, London, UK
| | - Stacey McIntyre
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith Campus, London, UK
| | - Rachael Selby
- Department of Haematology, Sheffield Teaching Hospitals NHS Foundation Trust, Royal Hallamshire Hospital, Sheffield, UK
| | - Naomi Meardon
- Department of Infection, Immunity and Cardiovascular Disease, The Medical School, The University of Sheffield, Sheffield, UK
| | - Dung Nguyen
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Tom Tipton
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Stephanie Longet
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Stephen Laidlaw
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Kim Orchard
- Department of Haematology, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Georgina Ireland
- UK Health Security Agency (UKHSA), Immunisation and Vaccine Preventable Diseases Division, UK Health Security Agency, London, UK
| | - David Thomas
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith Campus, London, UK
| | - Pamela Kearns
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Edgbaston, Birmingham, UK
- National Institute for Health Research Birmingham Biomedical Research Centre, Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Amanda Kirkham
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Edgbaston, Birmingham, UK
| | - Iain B McInnes
- College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, UK.
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Ventham NT, Kennedy NA, Kalla R, Adams AT, Noble A, Ennis H, Mowat C, Dunlop MG, Satsangi J. Genome-Wide Methylation Profiling in 229 Patients With Crohn's Disease Requiring Intestinal Resection: Epigenetic Analysis of the Trial of Prevention of Post-operative Crohn's Disease (TOPPIC). Cell Mol Gastroenterol Hepatol 2023; 16:431-450. [PMID: 37331566 PMCID: PMC10372903 DOI: 10.1016/j.jcmgh.2023.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 06/02/2023] [Accepted: 06/02/2023] [Indexed: 06/20/2023]
Abstract
BACKGROUND & AIMS DNA methylation alterations may provide important insights into gene-environment interaction in cancer, aging, and complex diseases, such as inflammatory bowel disease (IBD). We aim first to determine whether the circulating DNA methylome in patients requiring surgery may predict Crohn's disease (CD) recurrence following intestinal resection; and second to compare the circulating methylome seen in patients with established CD with that we had reported in a series of inception cohorts. METHODS TOPPIC was a placebo-controlled, randomized controlled trial of 6-mercaptopurine at 29 UK centers in patients with CD undergoing ileocolic resection between 2008 and 2012. Genomic DNA was extracted from whole blood samples from 229 of the 240 patients taken before intestinal surgery and analyzed using 450KHumanMethylation and Infinium Omni Express Exome arrays (Illumina, San Diego, CA). Coprimary objectives were to determine whether methylation alterations may predict clinical disease recurrence; and to assess whether the epigenetic alterations previously reported in newly diagnosed IBD were present in the patients with CD recruited into the TOPPIC study. Differential methylation and variance analysis was performed comparing patients with and without clinical evidence of recurrence. Secondary analyses included investigation of methylation associations with smoking, genotype (MeQTLs), and chronologic age. Validation of our previously published case-control observation of the methylome was performed using historical control data (CD, n = 123; Control, n = 198). RESULTS CD recurrence in patients following surgery is associated with 5 differentially methylated positions (Holm P < .05), including probes mapping to WHSC1 (P = 4.1 × 10-9, Holm P = .002) and EFNA3 (P = 4.9 × 10-8, Holm P = .02). Five differentially variable positions are demonstrated in the group of patients with evidence of disease recurrence including a probe mapping to MAD1L1 (P = 6.4 × 10-5). DNA methylation clock analyses demonstrated significant age acceleration in CD compared with control subjects (GrimAge + 2 years; 95% confidence interval, 1.2-2.7 years), with some evidence for accelerated aging in patients with CD with disease recurrence following surgery (GrimAge +1.04 years; 95% confidence interval, -0.04 to 2.22). Significant methylation differences between CD cases and control subjects were seen by comparing this cohort in conjunction with previously published control data, including validation of our previously described differentially methylated positions (RPS6KA2 P = 1.2 × 10-19, SBNO2 = 1.2 × 10-11) and regions (TXK [false discovery rate, P = 3.6 × 10-14], WRAP73 [false discovery rate, P = 1.9 × 10-9], VMP1 [false discovery rate, P = 1.7 × 10-7], and ITGB2 [false discovery rate, P = 1.4 × 10-7]). CONCLUSIONS We demonstrate differential methylation and differentially variable methylation in patients developing clinical recurrence within 3 years of surgery. Moreover, we report replication of the CD-associated methylome, previously characterized only in adult and pediatric inception cohorts, in patients with medically refractory disease needing surgery.
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Affiliation(s)
- Nicholas T Ventham
- Centre for Genomic and Experimental Medicine, The University of Edinburgh, Edinburgh, Midlothian, United Kingdom.
| | - Nicholas A Kennedy
- Centre for Genomic and Experimental Medicine, The University of Edinburgh, Edinburgh, Midlothian, United Kingdom
| | - Rahul Kalla
- Centre for Genomic and Experimental Medicine, The University of Edinburgh, Edinburgh, Midlothian, United Kingdom
| | - Alex T Adams
- Centre for Genomic and Experimental Medicine, The University of Edinburgh, Edinburgh, Midlothian, United Kingdom
| | - Alexandra Noble
- Centre for Genomic and Experimental Medicine, The University of Edinburgh, Edinburgh, Midlothian, United Kingdom
| | - Holly Ennis
- Centre for Genomic and Experimental Medicine, The University of Edinburgh, Edinburgh, Midlothian, United Kingdom
| | - Craig Mowat
- Centre for Genomic and Experimental Medicine, The University of Edinburgh, Edinburgh, Midlothian, United Kingdom
| | - Malcolm G Dunlop
- Centre for Genomic and Experimental Medicine, The University of Edinburgh, Edinburgh, Midlothian, United Kingdom
| | - Jack Satsangi
- Centre for Genomic and Experimental Medicine, The University of Edinburgh, Edinburgh, Midlothian, United Kingdom
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15
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Chen J, Ruan X, Yuan S, Theodoratou E, Satsangi J, Li X. Editorial: in search of environmental risk factors of Crohn's disease and ulcerative colitis with mendelian randomisation-authors' reply. Aliment Pharmacol Ther 2023; 57:1034-1035. [PMID: 37053488 DOI: 10.1111/apt.17471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Affiliation(s)
- Jie Chen
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
- Centre for Global Health, Zhejiang University School of Medicine, Hangzhou, China
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xixian Ruan
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Shuai Yuan
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Evropi Theodoratou
- Centre for Global Health, Usher Institute, University of Edinburgh, Edinburgh, UK
- Cancer Research UK Edinburgh Centre, Medical Research Council Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Xue Li
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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16
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Chen J, Ruan X, Yuan S, Theodoratou E, Satsangi J, Li X. Letter: disentangling the role of redox-active compounds in the development of inflammatory bowel diseases-moving towards causal associations. Authors' reply. Aliment Pharmacol Ther 2023; 57:1048-1049. [PMID: 37053480 DOI: 10.1111/apt.17468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 03/06/2023] [Indexed: 04/15/2023]
Abstract
LINKED CONTENTThis article is linked to Chen et al papers. To view these articles, visit https://doi.org/10.1111/apt.17392 and https://doi.org/10.1111/apt.17455
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Affiliation(s)
- Jie Chen
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
- Centre for Global Health, Zhejiang University School of Medicine, Hangzhou, China
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xixian Ruan
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Shuai Yuan
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Evropi Theodoratou
- Centre for Global Health, Usher Institute, University of Edinburgh, Edinburgh, UK
- Cancer Research UK Edinburgh Centre, Medical Research Council Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Xue Li
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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17
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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:S0016-5085(23)00619-4. [PMID: 37062395 DOI: 10.1053/j.gastro.2023.03.238] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [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, epigenome and the environment. Despite of 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; whilst 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 Paediatric 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
| | - Holm H Uhlig
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom; Department of Paediatrics, University of Oxford, Oxford, United Kingdom; Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom
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Chauhan D, Prabhu A, Cripps S, Misbah S, Griffiths K, Roseman A, Walsh A, Satsangi J. Generalised urticaria and angioedema complicating switch back from subcutaneous to intravenous vedolizumab therapy. Frontline Gastroenterol 2023; 14:432-434. [PMID: 37581188 PMCID: PMC10423614 DOI: 10.1136/flgastro-2023-102380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 03/17/2023] [Indexed: 08/16/2023] Open
Abstract
We report a unique case of a 34-year-old man with ulcerative colitis, previously in complete remission with intravenous vedolizumab monotherapy, who developed an urticarial injection-site reaction on switching to a subcutaneous preparation and thereafter experienced a new hypersensitivity reaction on switch back to intravenous vedolizumab, necessitating complete discontinuation from this drug. This case highlights the need for vigilance on switching back to intravenous preparations of vedolizumab, in response to injection-site reactions with a subcutaneous preparation, even if the intravenous preparation had been previously well tolerated by the patient.
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Affiliation(s)
- Dipesh Chauhan
- Pharmacy Department, John Radcliffe Hospital, Oxford, UK
| | - Anil Prabhu
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford, UK
| | - Sarah Cripps
- Pharmacy Department, John Radcliffe Hospital, Oxford, UK
| | - Siraj Misbah
- Department of Clinical Immunology, John Radcliffe Hospital, Oxford, UK
| | - Kate Griffiths
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford, UK
| | - Alice Roseman
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford, UK
| | - Alissa Walsh
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford, UK
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Joustra V, Hageman IL, Satsangi J, Adams A, Ventham NT, de Jonge WJ, Henneman P, D’Haens GR, Li Yim AYF. Systematic Review and Meta-analysis of Peripheral Blood DNA Methylation Studies in Inflammatory Bowel Disease. J Crohns Colitis 2023; 17:185-198. [PMID: 35998097 PMCID: PMC10024549 DOI: 10.1093/ecco-jcc/jjac119] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Indexed: 12/23/2022]
Abstract
BACKGROUND AND AIMS Over the past decade, the DNA methylome has been increasingly studied in peripheral blood of inflammatory bowel disease [IBD] patients. However, a comprehensive summary and meta-analysis of peripheral blood leukocyte [PBL] DNA methylation studies has thus far not been conducted. Here, we systematically reviewed all available literature up to February 2022 and summarized the observations by means of meta-analysis. METHODS We conducted a systematic search and critical appraisal of IBD-associated DNA methylation studies in PBL using the biomarker-based cross-sectional studies [BIOCROSS] tool. Subsequently, we performed meta-analyses on the summary statistics obtained from epigenome-wide association studies [EWAS] that included patients with Crohn's disease [CD], ulcerative colitis [UC] and/or healthy controls [HC]. RESULTS Altogether, we included 15 studies for systematic review. Critical appraisal revealed large methodological and outcome heterogeneity between studies. Summary statistics were obtained from four studies based on a cumulative 552 samples [177 CD, 132 UC and 243 HC]. Consistent differential methylation was identified for 256 differentially methylated probes [DMPs; Bonferroni-adjusted p ≤ 0.05] when comparing CD with HC and 103 when comparing UC with HC. Comparing IBD [CD + UC] with HC resulted in 224 DMPs. Importantly, several of the previously identified DMPs, such as VMP1/TMEM49/MIR21 and RPS6KA2, were consistently differentially methylated across all studies. CONCLUSION Methodological homogenization of IBD epigenetic studies is needed to allow for easier aggregation and independent validation. Nonetheless, we were able to confirm previous observations. Our results can serve as the basis for future IBD epigenetic biomarker research in PBL.
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Affiliation(s)
| | | | - Jack Satsangi
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Oxford, UK
| | - Alex Adams
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Oxford, UK
| | - Nicholas T Ventham
- Institute of Genetics and Molecular Medicine, University of Edinburgh, UK
| | - Wouter J de Jonge
- Amsterdam UMC location University of Amsterdam, Department of Gastroenterology and Hepatology, Meibergdreef 9, Amsterdam, Netherlands
- Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, Netherlands
- Amsterdam UMC location University of Amsterdam, Tytgat Institute for Liver and Intestinal Research, Amsterdam, Netherlands
| | - Peter Henneman
- Amsterdam UMC location University of Amsterdam, Department of Human Genetics, Genome Diagnostics Laboratory, Amsterdam, Netherlands
- Amsterdam Reproduction & Development, Amsterdam, Netherlands
| | - Geert R D’Haens
- Amsterdam UMC location University of Amsterdam, Department of Gastroenterology and Hepatology, Meibergdreef 9, Amsterdam, Netherlands
- Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, Netherlands
| | - Andrew Y F Li Yim
- Corresponding author: Andrew Y. F. Li Yim, Amsterdam UMC location University of Amsterdam, Tytgat Institute for Liver and Intestinal Research, Amsterdam, Netherlands.
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20
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Kalla R, Adams AT, Nowak JK, Bergemalm D, Vatn S, Ventham NT, Kennedy NA, Ricanek P, Lindstrom J, Söderholm J, Pierik M, D’Amato M, Gomollón F, Olbjørn C, Richmond R, Relton C, Jahnsen J, Vatn MH, Halfvarson J, Satsangi J. Analysis of Systemic Epigenetic Alterations in Inflammatory Bowel Disease: Defining Geographical, Genetic and Immune-Inflammatory influences on the Circulating Methylome. J Crohns Colitis 2023; 17:170-184. [PMID: 36029471 PMCID: PMC10024547 DOI: 10.1093/ecco-jcc/jjac127] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Epigenetic alterations may provide valuable insights into gene-environment interactions in the pathogenesis of inflammatory bowel disease [IBD]. METHODS Genome-wide methylation was measured from peripheral blood using the Illumina 450k platform in a case-control study in an inception cohort (295 controls, 154 Crohn's disease [CD], 161 ulcerative colitis [UC], 28 IBD unclassified [IBD-U)] with covariates of age, sex and cell counts, deconvoluted by the Houseman method. Genotyping was performed using Illumina HumanOmniExpressExome-8 BeadChips and gene expression using the Ion AmpliSeq Human Gene Expression Core Panel. Treatment escalation was characterized by the need for biological agents or surgery after initial disease remission. RESULTS A total of 137 differentially methylated positions [DMPs] were identified in IBD, including VMP1/MIR21 [p = 9.11 × 10-15] and RPS6KA2 [6.43 × 10-13], with consistency seen across Scandinavia and the UK. Dysregulated loci demonstrate strong genetic influence, notably VMP1 [p = 1.53 × 10-15]. Age acceleration is seen in IBD [coefficient 0.94, p < 2.2 × 10-16]. Several immuno-active genes demonstrated highly significant correlations between methylation and gene expression in IBD, in particular OSM: IBD r = -0.32, p = 3.64 × 10-7 vs non-IBD r = -0.14, p = 0.77]. Multi-omic integration of the methylome, genome and transcriptome also implicated specific pathways that associate with immune activation, response and regulation at disease inception. At follow-up, a signature of three DMPs [TAP1, TESPA1, RPTOR] were associated with treatment escalation to biological agents or surgery (hazard ratio of 5.19 [CI: 2.14-12.56], logrank p = 9.70 × 10-4). CONCLUSION These data demonstrate consistent epigenetic alterations at diagnosis in European patients with IBD, providing insights into the pathogenetic importance and translational potential of epigenetic mapping in complex disease.
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Affiliation(s)
- Rahul Kalla
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
- MRC Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Alex T Adams
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Jan K Nowak
- Department of Paediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Daniel Bergemalm
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Simen Vatn
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
| | - Nicholas T Ventham
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Nicholas A Kennedy
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
- Exeter IBD and Pharmacogenetics group, University of Exeter, Exeter, UK
| | - Petr Ricanek
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway
| | - Jonas Lindstrom
- Health Services Research Unit, Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway
| | - Johan Söderholm
- Department of Surgery and Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - Marie Pierik
- Maastricht University Medical Centre (MUMC), Department of Gastroenterology and Hepatology, Maastricht, Netherlands
| | - Mauro D’Amato
- CIC bioGUNE – BRTA, Derio, SpainIKERBASQUE, Basque Foundation for Science, Bilbao, Spain
| | | | - Christine Olbjørn
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway
| | - Rebecca Richmond
- Medical Research Council Integrative Epidemiology Unit (MRC IEU), School of Social and Community Medicine, University of Bristol, Bristol, UK
| | - Caroline Relton
- Medical Research Council Integrative Epidemiology Unit (MRC IEU), School of Social and Community Medicine, University of Bristol, Bristol, UK
| | - Jørgen Jahnsen
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway
| | - Morten H Vatn
- Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway
| | - Jonas Halfvarson
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Jack Satsangi
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
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Louis E, Resche-Rigon M, Laharie D, Satsangi J, Ding N, Siegmund B, D'Haens G, Picon L, Bossuyt P, Vuitton L, Irving P, Viennot S, Lamb CA, Pollok R, Baert F, Nachury M, Fumery M, Gilletta C, Almer S, Ben-Horin S, Bouhnik Y, Colombel JF, Hertervig E. Withdrawal of infliximab or concomitant immunosuppressant therapy in patients with Crohn's disease on combination therapy (SPARE): a multicentre, open-label, randomised controlled trial. Lancet Gastroenterol Hepatol 2023; 8:215-227. [PMID: 36640794 PMCID: PMC9908559 DOI: 10.1016/s2468-1253(22)00385-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 11/04/2022] [Accepted: 11/04/2022] [Indexed: 01/13/2023]
Abstract
BACKGROUND The combination of infliximab and immunosuppressant therapy is a standard management strategy for patients with Crohn's disease. Concerns regarding the implications of long-term combination therapy provided the rationale for a formal clinical trial of treatment de-escalation. Our aim was to compare the relapse rate and the time spent in remission over 2 years between patients continuing combination therapy and those stopping infliximab or immunosuppressant therapy. METHODS This multicentre, open-label, randomised controlled trial was performed in 64 hospitals in seven countries in Europe and Australia. Adult patients with Crohn's disease in steroid-free clinical remission for more than 6 months, on combination therapy of infliximab and immunosuppressant therapy for at least 8 months were randomly assigned (1:1:1) to either continue combination therapy (combination group), discontinue infliximab (infliximab withdrawal group), or discontinue immunosuppressant therapy (immunosuppressant withdrawal group). Randomisation was stratified according to disease duration before start of first anti-TNF treatment (≤2 or >2 years), failure of immunosuppressant therapy before start of infliximab, and presence of ulcers at baseline endoscopy. The patient number and group of each stratum were assigned by a central online randomisation website. Treatment was optimised or resumed in case of relapse in all groups. Participants, those assessing outcomes, and those analysing the data were not masked to group assignment. The coprimary endpoints were the relapse rate (superiority analysis) and time in remission over 2 years (non-inferiority analysis, non-inferiority margin 35 days). Analyses were done on an intention-to-treat basis. This study is registered with ClinicalTrials.gov, NCT02177071, and with EU Clinical Trials Register, EUDRACT 2014-002311-41. The trial was completed in April, 2021. FINDINGS Between Nov 2, 2015, and April 24, 2019, 254 patients were screened. Of these, 211 were randomised and 207 were included in the final analysis (n=67 in the combination group, n=71 in the infliximab withdrawal group, and n=69 in the immunosuppressant withdrawal group). 39 patients had a relapse (eight [12%] of 67 in the combination group, 25 [35%] of 71 in the infliximab withdrawal group, six [9%] of 69 in the immunosuppressant withdrawal group). 2-year relapse rates were 14% (95% CI 4-23) in the combination group, 36% (24-47) in the infliximab withdrawal group, and 10% (2-18) in the immunosuppressant withdrawal group (hazard ratio [HR] 3·45 [95% CI 1·56-7·69], p=0·003, for infliximab withdrawal vs combination, and 4·76 [1·92-11·11], p=0·0004, for infliximab withdrawal vs immunosuppressant withdrawal). Of 28 patients who had a relapse and were retreated or optimised according to protocol, remission was achieved in 25 patients (one of two in the combination group, 22 of 23 in the infliximab withdrawal group, and two of three in the immunosuppressant withdrawal group). The mean time spent in remission over 2 years was 698 days (95% CI 668-727) in the combination group, 684 days (651-717) in the infliximab withdrawal group, and 706 days (682-730) in the immunosuppressant withdrawal group. The difference in restricted mean survival time in remission was -14 days (95% CI -56 to 27) between the infliximab withdrawal group and the combination group and -22 days (-62 to 16) between the infliximab withdrawal group and the immunosuppressant withdrawal group. The 95% CIs contained the non-inferiority threshold (-35 days). We recorded 31 serious adverse events, in 20 patients, with no difference in frequency between groups. The most frequent serious adverse events were infections (four in the combination group, two in the infliximab withdrawal group, and one in the immunosuppressant withdrawal group) and Crohn's disease exacerbation (three in the combination group, four in the infliximab withdrawal group, and one in the immunosuppressant withdrawal group). No death nor malignancy was recorded. INTERPRETATION In patients with Crohn's disease in sustained steroid-free remission under combination therapy with infliximab and immunosuppressant therapy, withdrawal of infliximab should only be considered after careful assessment of risks and benefits for each patient, whereas withdrawal of immunosuppressant therapy could generally represent a preferable strategy when considering treatment de-escalation. FUNDING European Union's Horizon 2020.
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Affiliation(s)
- Edouard Louis
- Department of Gastroenterology, University Hospital CHU of Liège, Liège, Belgium.
| | - Matthieu Resche-Rigon
- Université de Paris, ECSTRRA - CRESS UMR1153, INSERM and SBIM, AP-HP, Hôpital Saint-Louis, Paris, France
| | - David Laharie
- Service d'Hépato-gastroentérologie et oncologie digestive CHU de Bordeaux, Hôpital Haut-Lévêque- Université de Bordeaux, Bordeaux, France
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, John Radcliffe Hospital, Oxford, UK
| | - Nik Ding
- Department of Gastroenterology, St Vincent's Hospital Melbourne, Melbourne, VIC, Australia; Department of Medicine, University of Melbourne, Melbourne, VIC, Australia
| | - Britta Siegmund
- Medical Department, Division of Gastroenterology, Infectious Diseases and Rheumatology, Charité - Universitätsmedizin Berlin, Berlin, Germany; Freie Universität Berlin, Humboldt-Universität zu Berlin, Campus Benjamin Franklin, Berlin, Germany
| | - Geert D'Haens
- Department of Gastroenterology and Hepatology, Amsterdam University Medical Centres, Amsterdam, Netherlands
| | - Laurence Picon
- Hépato-Gastro-Onco-Entérologie, Hôpital Trousseau, Tours, France
| | - Peter Bossuyt
- Imelda GI Clinical Research Center, Imelda General Hospital, Bonheiden, Belgium
| | - Lucine Vuitton
- Department of Gastroenterology, Besançon Univeristy Hospital, Besançon, France; UMR 1098, Franche-Comté University, Besançon, France
| | - Peter Irving
- IBD Unit, Department of Gastroenterology, Guy's and St Thomas' NHS Foundation Trust, London, UK; School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Stephanie Viennot
- Department of Gastroenterology, University Hospital of Caen, Caen, France
| | - Christopher A Lamb
- Translational & Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK; Department of Gastroenterology, Newcastle upon Tyne Hospitals NHS Foundation Trust, Royal Victoria Infirmary, Newcastle upon Tyne, UK
| | - Richard Pollok
- Gastroenterology, St Georges University Hospital, London, UK
| | | | - Maria Nachury
- U1286 - INFINITE - Institute for Translational Research in Inflammation, University of Lille, Inserm, CHU Lille, Lille, France
| | - Mathurin Fumery
- Department of Gastroenterology, University Hospital of Amiens, Amiens, France; Peritox, University of Picardie, Amiens, France
| | - Cyrielle Gilletta
- Department of Gastroenterology and Pancreatology, University Hospital of Toulouse Rangueil, Toulouse, France
| | - Sven Almer
- IBD-unit, Division of Gastroenterology, Karolinska University hospital, Stockholm, Sweden
| | - Shomron Ben-Horin
- Department of Gastroenterology, Sheba Medical Center, Tel-Aviv University, Israel
| | - Yoram Bouhnik
- Department of Gastroenterology, Beaujon Hospital, APHP, Paris Cité University, Clichy, France
| | - Jean-Frederic Colombel
- Department of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Erik Hertervig
- Department of Gastroenterology, Skåne University Hospital, Lund, Sweden
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Sun Y, Yuan S, Chen X, Sun J, Kalla R, Yu L, Wang L, Zhou X, Kong X, Hesketh T, Ho GT, Ding K, Dunlop M, Larsson SC, Satsangi J, Chen J, Wang X, Li X, Theodoratou E, Giovannucci EL. The Contribution of Genetic Risk and Lifestyle Factors in the Development of Adult-Onset Inflammatory Bowel Disease: A Prospective Cohort Study. Am J Gastroenterol 2023; 118:511-522. [PMID: 36695739 PMCID: PMC9973435 DOI: 10.14309/ajg.0000000000002180] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 12/13/2022] [Indexed: 01/26/2023]
Abstract
INTRODUCTION The joint associations across genetic risk, modifiable lifestyle factors, and inflammatory bowel disease (IBD) remains unclear. METHODS Genetic susceptibility to Crohn's disease (CD) and ulcerative colitis (UC) was estimated by polygenic risk scores and further categorized into high, intermediate, and low genetic risk categories. Weighted healthy lifestyle scores were constructed based on 5 common lifestyle factors and categorized into favorable (4 or 5 healthy lifestyle factors), intermediate (3 healthy lifestyle factors), and unfavorable (0-2 healthy lifestyle factors) groups. Cox proportional hazards regression model was used to estimate the hazard ratios (HR) and 95% confidence interval (CI) for their associations. RESULTS During the 12-year follow-up, 707 cases with CD and 1576 cases with UC were diagnosed in the UK Biobank cohort. Genetic risk and unhealthy lifestyle categories were monotonically associated with CD and UC risk with no multiplicative interaction between them. The HR of CD and UC were 2.24 (95% CI 1.75-2.86) and 2.15 (95% CI 1.82-2.53) for those with a high genetic risk, respectively. The HR of CD and UC for individuals with an unfavorable lifestyle were 1.94 (95% CI 1.61-2.33) and 1.98 (95% CI 1.73-2.27), respectively. The HR of individuals with a high genetic risk but a favorable lifestyle (2.33, 95% CI 1.58-3.44 for CD, and 2.05, 95% CI 1.58-2.66 for UC) were reduced nearly by half, compared with those with a high genetic risk but an unfavorable lifestyle (4.40, 95% CI 2.91-6.66 for CD and 4.44, 95% CI 3.34-5.91 for UC). DISCUSSION Genetic and lifestyle factors were independently associated with susceptibility to incident CD and UC. Adherence to a favorable lifestyle was associated with a nearly 50% lower risk of CD and UC among participants at a high genetic risk.
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Affiliation(s)
- Yuhao Sun
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Centre for Global Health, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Shuai Yuan
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Xuejie Chen
- Centre for Global Health, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jing Sun
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Rahul Kalla
- Department of Gastroenterology, Royal Infirmary of Edinburgh, University of Edinburgh, Edinburgh, UK
| | - Lili Yu
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lijuan Wang
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Centre for Global Health, Usher Institute, University of Edinburgh, Edinburgh, UK
| | - Xuan Zhou
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiangxing Kong
- Department of Colorectal Surgery and Oncology, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Therese Hesketh
- Centre for Global Health, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China
- Institute for Global Health, University College London, London, UK
| | - Gwo-tzer Ho
- Edinburgh IBD Science Unit, Centre for Inflammation Research, University of Edinburgh, Edinburgh, UK
| | - Kefeng Ding
- Department of Colorectal Surgery and Oncology, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Malcolm Dunlop
- Cancer Research UK Edinburgh Centre, Medical Research Council Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Susanna C. Larsson
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Unit of Medical Epidemiology, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Jie Chen
- Centre for Global Health, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoyan Wang
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Xue Li
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Evropi Theodoratou
- Centre for Global Health, Usher Institute, University of Edinburgh, Edinburgh, UK
- Cancer Research UK Edinburgh Centre, Medical Research Council Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Edward L. Giovannucci
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
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23
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Adams A, Gupta V, Mohsen W, Chapman TP, Subhaharan D, Kakkadasam Ramaswamy P, Kumar S, Kedia S, McGregor CG, Ambrose T, George BD, Palmer R, Brain O, Walsh A, Ahuja V, Travis SPL, Satsangi J. Early management of acute severe UC in the biologics era: development and international validation of a prognostic clinical index to predict steroid response. Gut 2023; 72:433-442. [PMID: 36171080 DOI: 10.1136/gutjnl-2022-327533] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 08/27/2022] [Indexed: 12/08/2022]
Abstract
OBJECTIVES We aimed to determine whether changes in acute severe colitis (ASC) management have translated to improved outcomes and to develop a simple model predicting steroid non-response on admission. DESIGN Outcomes of 131 adult ASC admissions (117 patients) in Oxford, UK between 2015 and 2019 were compared with data from 1992 to 1993. All patients received standard treatment with intravenous corticosteroids and endoscopic disease activity scoring (Ulcerative Colitis Endoscopic Index of Severity (UCEIS)). Steroid non-response was defined as receiving medical rescue therapy or surgery. A predictive model developed in the Oxford cohort was validated in Australia and India (Gold Coast University Hospital 2015-2020, n=110; All India Institute of Medical Sciences, New Delhi 2018-2020, n=62). RESULTS In the 2015-2019 Oxford cohort, 15% required colectomy during admission vs 29% in 1992-1993 (p=0.033), while 71 (54%) patients received medical rescue therapy (27% ciclosporin, 27% anti-tumour necrosis factor, compared with 27% ciclosporin in 1992-1993 (p=0.0015). Admission C reactive protein (CRP) (false discovery rate, p=0.00066), albumin (0.0066) and UCEIS scores (0.015) predicted steroid non-response. A four-point model was developed involving CRP of ≥100 mg/L (one point), albumin of ≤25 g/L (one point), and UCEIS score of ≥4 (1 point) or ≥7 (2 points). Patients scoring 0, 1, 2, 3 and 4 in the validation cohorts had steroid response rates of 100, 75.0%, 54.9%, 18.2% and 0%, respectively. Scoring of ≥3 was 84% (95% CI 0.70 to 0.98) predictive of steroid failure (OR 11.9, 95% CI 10.8 to 13.0). Colectomy rates in the validation cohorts were were 8%-11%. CONCLUSIONS Emergency colectomy rates for ASC have halved in 25 years to 8%-15% worldwide. Patients who will not respond to corticosteroids are readily identified on admission and may be prioritised for early intensification of therapy.
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Affiliation(s)
- Alex Adams
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Vipin Gupta
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK.,Department of Gastroenterology, North Bristol NHS Trust, Bristol, UK
| | - Waled Mohsen
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK.,Digestive Diseases Unit, Gold Coast University Hospital, Southport, Queensland, Australia
| | - Thomas P Chapman
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK.,Department of Gastroenterology, St Richard's and Worthing Hospitals, University Hospitals Sussex NHS Foundation Trust, West Sussex, UK
| | - Deloshaan Subhaharan
- Digestive Diseases Unit, Gold Coast University Hospital, Southport, Queensland, Australia
| | | | - Sudheer Kumar
- Department of Gastroenterology, All India Institute of Medical Sciences, New Delhi, India
| | - Saurabh Kedia
- Department of Gastroenterology, All India Institute of Medical Sciences, New Delhi, India
| | | | - Tim Ambrose
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Bruce D George
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Rebecca Palmer
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Oliver Brain
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Alissa Walsh
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Vineet Ahuja
- Department of Gastroenterology, All India Institute of Medical Sciences, New Delhi, India
| | - Simon P L Travis
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
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24
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Chen J, Ruan X, Yuan S, Deng M, Zhang H, Sun J, Yu L, Satsangi J, Larsson SC, Therdoratou E, Wang X, Li X. Antioxidants, minerals and vitamins in relation to Crohn's disease and ulcerative colitis: A Mendelian randomization study. Aliment Pharmacol Ther 2023; 57:399-408. [PMID: 36645152 DOI: 10.1111/apt.17392] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 11/13/2022] [Accepted: 01/04/2023] [Indexed: 01/17/2023]
Abstract
BACKGROUND Evidence for antioxidants, minerals and vitamins in relation to the risk of Crohn's disease (CD) and ulcerative colitis (UC) is limited and inconsistent. This mendelian randomization (MR) study aimed to examine the causal associations of circulating levels of antioxidants, minerals and vitamins with CD and UC. METHODS Single-nucleotide polymorphisms associated with antioxidants (beta-carotene, lycopene and uric acid), minerals (copper, calcium, iron, magnesium, phosphorus, zinc and selenium), and vitamins (folate, vitamins A, B6, B12, C, D, E and K1) were employed as instrumental variables. Genetic associations with CD and UC were extracted from the UK Biobank, the FinnGen study and the International Inflammatory Bowel Disease Genetics Consortium. The inverse variance weighted method and sensitivity analyses were performed. RESULTS Genetically predicted higher lycopene (OR = 0.94, 95% CI: 0.91-0.97), vitamins D (OR = 0.65, 95% CI: 0.54-0.79) and K1 (OR = 0.93, 95% CI: 0.90-0.97) levels were inversely associated with CD risk, whereas genetically predicted higher magnesium (OR = 1.53, 95% CI: 1.23-1.90) levels were positively associated with CD risk. Higher levels of genetically predicted lycopene (OR = 0.91, 95% CI: 0.88-0.95), phosphorus (OR = 0.69, 95% CI: 0.58-0.82), selenium (OR = 0.91, 95% CI: 0.85-0.97), zinc (OR = 0.91, 95% CI: 0.89-0.94), folate (OR = 0.71, 95% CI: 0.56-0.92) and vitamin E (OR = 0.78, 95% CI: 0.69-0.88) were associated with reduced UC risk, whereas genetically predicted high levels of calcium (OR = 1.46, 95% CI: 1.22-1.76) and magnesium (OR = 1.24, 95% CI: 1.03-1.49) were associated with increased risk of UC. CONCLUSIONS Our study provided evidence that circulating levels of antioxidants, minerals and vitamins might be causally linked to the development of IBD.
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Affiliation(s)
- Jie Chen
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
- Centre for Global Health, Zhejiang University School of Medicine, Hangzhou, China
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xixian Ruan
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Shuai Yuan
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Minzi Deng
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Han Zhang
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jing Sun
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Lili Yu
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Susanna C Larsson
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Unit of Medical Epidemiology, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Evropi Therdoratou
- Centre for Global Health, Usher Institute, University of Edinburgh, Edinburgh, UK
- Cancer Research UK Edinburgh Centre, Medical Research Council Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Xiaoyan Wang
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Xue Li
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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25
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Shubhakar A, Jansen BC, Adams AT, Reiding KR, Ventham NT, Kalla R, Bergemalm D, Urbanowicz PA, Gardner RA, Wuhrer M, Halfvarson J, Satsangi J, Fernandes DL, Spencer DIR. Serum N-Glycomic Biomarkers Predict Treatment Escalation in Inflammatory Bowel Disease. J Crohns Colitis 2023:7000718. [PMID: 36694402 DOI: 10.1093/ecco-jcc/jjad012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Indexed: 01/26/2023]
Abstract
Biomarkers to guide clinical decision-making at diagnosis of inflammatory bowel disease (IBD) are urgently needed. We investigated a composite serum N-glycomic biomarker to predict future disease course in a discovery cohort of 244 newly diagnosed IBD patients. Forty-seven individual glycan peaks were analysed using ultra-high performance liquid chromatography identifying 105 glycoforms from which 24 derived glycan traits were calculated. Multivariable logistic regression was performed to determine associations of derived glycan traits with disease. Cox proportional hazard models were used to predict treatment escalation from first-line treatment to biologics or surgery (hazard ratio (HR) 25.9, p=1.1×10-12; 95% confidence interval (CI), 8.52-78.78). Application to an independent replication cohort of 54 IBD patients yielded a HR of 5.1 (p=1.1×10-5; 95% CI, 2.54-10.1). These data demonstrate the prognostic capacity of serum N-glycan biomarkers and represent a step towards personalized medicine in IBD.
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Affiliation(s)
- Archana Shubhakar
- Ludger Ltd, Culham Science Centre, Abingdon, Oxfordshire, United Kingdom.,Division of BioAnalytical Chemistry, VU University Amsterdam, Amsterdam, The Netherlands
| | - Bas C Jansen
- Ludger Ltd, Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
| | - Alex T Adams
- Translational Gastroenterology Unit, University of Oxford, Oxford, United Kingdom
| | - Karli R Reiding
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands.,Division of Biomolecular Mass Spectrometry and Proteomics, Utrecht University, Utrecht, The Netherlands
| | - Nicholas T Ventham
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Rahul Kalla
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Daniel Bergemalm
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | | | - Richard A Gardner
- Ludger Ltd, Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
| | | | - Manfred Wuhrer
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Jonas Halfvarson
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Jack Satsangi
- Translational Gastroenterology Unit, University of Oxford, Oxford, United Kingdom
| | - Daryl L Fernandes
- Ludger Ltd, Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
| | - Daniel I R Spencer
- Ludger Ltd, Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
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26
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Joustra V, Li Yim AYF, Hageman I, Levin E, Adams A, Satsangi J, de Jonge WJ, Henneman P, D'Haens G. Long-term Temporal Stability of Peripheral Blood DNA Methylation Profiles in Patients With Inflammatory Bowel Disease. Cell Mol Gastroenterol Hepatol 2023; 15:869-885. [PMID: 36581079 PMCID: PMC9972576 DOI: 10.1016/j.jcmgh.2022.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 12/20/2022] [Accepted: 12/20/2022] [Indexed: 12/31/2022]
Abstract
BACKGROUND & AIMS There is great current interest in the potential application of DNA methylation alterations in peripheral blood leukocytes (PBLs) as biomarkers of susceptibility, progression, and treatment response in inflammatory bowel disease (IBD). However, the intra-individual stability of PBL methylation in IBD has not been characterized. Here, we studied the long-term stability of all probes located on the Illumina HumanMethylation EPIC BeadChip array. METHODS We followed a cohort of 46 adult patients with IBD (36 Crohn's disease [CD], 10 ulcerative colitis [UC]; median age, 44 years; interquartile range [IQR] 27-56 years; 50% female) that received standard care follow-up at the Amsterdam University Medical Centers. Paired PBL samples were collected at 2 time points with a median of 7 years (range, 2-9 years) in between. Differential methylation and intra-class correlation (ICC) analyses were used to identify time-associated differences and temporally stable CpGs, respectively. RESULTS Around 60% of all EPIC array loci presented poor intra-individual stability (ICC <0.50); 78.114 (≈9%) showed good (ICC, 0.75-0.89), and 41.274 (≈5%) showed excellent (ICC ≥0.90) stability, between both measured time points. Focusing on previously identified consistently differentially methylated positions indicated that 22 CD-, 11 UC-, and 24 IBD-associated loci demonstrated high stability (ICC ≥0.75) over time; of these, we observed a marked stability of CpG loci associated to the HLA genes. CONCLUSIONS Our data provide insight into the long-term stability of the PBL DNA methylome within an IBD context, facilitating the selection of biologically relevant and robust IBD-associated epigenetic biomarkers with increased potential for independent validation. These data also have potential implications in understanding disease pathogenesis.
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Affiliation(s)
- Vincent Joustra
- Department of Gastroenterology and Hepatology, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Andrew Y F Li Yim
- Genome Diagnostics Laboratory, Department of Human Genetics, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands; Tytgat Institute for Liver and Intestinal Research, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Ishtu Hageman
- Tytgat Institute for Liver and Intestinal Research, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Evgeni Levin
- Department of Vascular Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands; Horaizon BV, Delft, the Netherlands
| | - Alex Adams
- Oxford University- Hospitals NHS Foundation Trust- John Radcliffe Hospital, Translational Gastroenterology Unit- NIHR Oxford Biomedical Research Centre, Oxford, United Kingdom
| | - Jack Satsangi
- Oxford University- Hospitals NHS Foundation Trust- John Radcliffe Hospital, Translational Gastroenterology Unit- NIHR Oxford Biomedical Research Centre, Oxford, United Kingdom
| | - Wouter J de Jonge
- Tytgat Institute for Liver and Intestinal Research, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Peter Henneman
- Genome Diagnostics Laboratory, Department of Human Genetics, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Geert D'Haens
- Department of Gastroenterology and Hepatology, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands.
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27
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Chen J, Zhou Y, Sun Y, Yuan S, Kalla R, Sun J, Zhao J, Wang L, Chen X, Zhou X, Dai S, Zhang Y, Ho GT, Xia D, Cao Q, Liu Z, Larsson SC, Wang X, Ding K, Halfvarson J, Li X, Theodoratou E, Satsangi J. Bi-directional Mendelian randomization analysis provides evidence for the causal involvement of dysregulation of CXCL9, CCL11 and CASP8 in the pathogenesis of ulcerative colitis. J Crohns Colitis 2022; 17:777-785. [PMID: 36576886 PMCID: PMC10155748 DOI: 10.1093/ecco-jcc/jjac191] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Indexed: 12/29/2022]
Abstract
BACKGROUND AND AIMS Systemic inflammation is well-recognized to be associated with ulcerative colitis (UC), but whether these effects are causal or consequential remains unclear. We aimed to define potential causal relationship of cytokine dysregulation with different tiers of evidence. METHODS We firstly synthesized serum proteomic profiling data from two multi-centered observational studies, in which a panel of systemic inflammatory proteins was analyzed to examine their associations with UC risk. To further dissect observed associations, we then performed a bidirectional two-sample Mendelian randomization (TSMR) analysis from both forward and reverse directions using five genome-wide association study (GWAS) summary level data for serum proteomic profiles and the largest GWAS of 28,738 European-ancestry individuals for UC risk. RESULTS Pooled analysis of serum proteomic data identified 14 proteins to be associated with the risk of UC. Forward MR analysis using only cis-acting protein quantitative trait loci (cis-pQTLs) or trans-pQTLs further validated causal associations of two chemokines and the increased risk of UC: C-X-C motif chemokine ligand 9 (CXCL9) (OR, 1.45, 95% CI, 1.08-1.95, P=.012) and C-C motif chemokine ligand 11 (CCL11) (OR, 1.14, 95%CI: 1.09-1.18, P=3.89×10 -10). Using both cis- and trans-acting pQTLs, an association of caspase-8 (CASP8) (OR, 1.04, 95% CI, 1.03-1.05, P= 7.63×10 -19) was additionally identified. Reverse MR did not find any influence of genetic predisposition to UC on any of these three inflammation proteins. CONCLUSIONS Pre-existing elevated levels of CXCL9, CCL11 and CASP8 may play a role in the pathogenesis of UC.
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Affiliation(s)
- Jie Chen
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Centre for Global Health, Zhejiang University School of Medicine, Hangzhou, China
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yajing Zhou
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yuhao Sun
- Centre for Global Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Shuai Yuan
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Rahul Kalla
- Edinburgh IBD Science Unit, Centre for Inflammation Research, University of Edinburgh, Edinburgh, UK
| | - Jing Sun
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jianhui Zhao
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Lijuan Wang
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xuejie Chen
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Xuan Zhou
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Siqi Dai
- Colorectal Surgery and Oncology, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Yu Zhang
- Department of Gastroenterology, Sir Run Run Shaw Hospital, College of Medicine Zhejiang University, Hangzhou, China
| | - Gwo-Tzer Ho
- Edinburgh IBD Science Unit, Centre for Inflammation Research, University of Edinburgh, Edinburgh, UK
| | - Dajing Xia
- Department of Toxicology of School of Public Health, & Center of Immunology & Infection, Zhejiang University School of Medicine, Hangzhou, China
| | - Qian Cao
- Department of Gastroenterology, Sir Run Run Shaw Hospital, College of Medicine Zhejiang University, Hangzhou, China
| | - Zhanju Liu
- Center for IBD Research, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Susanna C Larsson
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Unit of Medical Epidemiology, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Xiaoyan Wang
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Kefeng Ding
- Colorectal Surgery and Oncology, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Jonas Halfvarson
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Xue Li
- Department of Big Data in Health Science, School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Evropi Theodoratou
- Centre for Global Health, Usher Institute, University of Edinburgh, Edinburgh, UK
- Cancer Research UK Edinburgh Centre, Medical Research Council Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
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28
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Beelen EMJ, Nieboer D, Arkenbosch JHC, Regueiro MD, Satsangi J, Ardizzone S, López-Sanromán A, Savarino E, Armuzzi A, Janneke van der Woude C, de Vries AC. Risk Prediction and Comparative Efficacy of Anti-TNF vs Thiopurines, for Preventing Postoperative Recurrence in Crohn's Disease: A Pooled Analysis of 6 Trials. Clin Gastroenterol Hepatol 2022; 20:2741-2752.e6. [PMID: 34687970 DOI: 10.1016/j.cgh.2021.10.021] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS The superiority of anti-TNF-α agents to thiopurines for the prevention of postoperative recurrence of Crohn's disease (CD) after ileocolonic resection remains controversial. In this meta-analysis of individual participant data (IPD), the effect of both strategies was compared and assessed after risk stratification. METHODS After a systematic literature search, IPD were requested from randomized controlled trials investigating thiopurines and/or anti-TNF-α agents after ileocolonic resection. Primary outcome was endoscopic recurrence (ER) (Rutgeerts score ≥i2) and secondary outcomes were clinical recurrence (Harvey-Bradshaw Index/Crohn's Disease Activity Index score) and severe ER (Rutgeerts score ≥i3). A fixed effect network meta-analysis was performed. Subgroup effects were assessed and a prediction model was established using Poisson regression models, including sex, smoking, Montreal classification, CD duration, history of prior resection and previous exposure to anti-TNF-α or thiopurines. RESULTS In the meta-analysis of IPD, 645 participants from 6 studies were included. In the total population, a superior effect was demonstrated for anti-TNF-α compared with thiopurine prophylaxis for ER (relative risk [RR], 0.52; 95% confidence interval [CI], 0.33-0.80), clinical recurrence (RR, 0.50; 95% CI, 0.26-0.96), and severe ER (RR, 0.41; 95% CI, 0.21-0.79). No differential subgroup effects were found for ER. In Poisson regression analysis, previous exposure to anti-TNF-α and penetrating disease behavior were associated with ER risk. The advantage of anti-TNF-α agents as compared with thiopurines was observed in low- and high-risk groups. CONCLUSIONS Anti-TNF-α is superior to thiopurine prophylaxis for the prevention of endoscopic and clinical postoperative CD recurrence after ileocolonic resection. The advantage of anti-TNF-α agents was confirmed in subgroup analysis and after risk stratification.
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Affiliation(s)
- Evelien M J Beelen
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Daan Nieboer
- Department of Public Health, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Biostatistics, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Jeanine H C Arkenbosch
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Miguel D Regueiro
- Digestive Disease and Surgery Institute, Department of Gastroenterology, Hepatology & Nutrition, Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, Ohio
| | - Jack Satsangi
- Translational Gastroenterology Unit, John Radcliffe Hospital, Nuffield Department of Medicine, Oxford, United Kingdom; Gastrointestinal Unit, Centre for Molecular Medicine, Institute of Genetics and Molecular Medicine, Western General Hospital, Edinburgh, United Kingdom
| | - Sandro Ardizzone
- Gastroenterology Unit ASST Fatebenefratelli Sacco, Department of Biomedical and Clinical Sciences L. Sacco, Università di Milano, Milan, Italy
| | - Antonio López-Sanromán
- Department of Gastroenterology and Hepatology, Ramón y Cajal University Hospital, Madrid, Spain
| | - Edoardo Savarino
- Gastroenterology Section, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padua, Padua, Italy
| | - Alessandro Armuzzi
- Gastroenterology Unit, Department of Medical and Surgical Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - C Janneke van der Woude
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Annemarie C de Vries
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, the Netherlands.
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29
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Chen J, Wellens J, Kalla R, Fu T, Deng M, Zhang H, Yuan S, Wang X, Theodoratou E, Li X, Satsangi J. Intake of ultra-processed foods is associated with an increased risk of Crohn's disease: a cross-sectional and prospective analysis of 187,154 participants in the UK Biobank. J Crohns Colitis 2022; 17:535-552. [PMID: 36305857 PMCID: PMC10115229 DOI: 10.1093/ecco-jcc/jjac167] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND AIMS Ultra-processed food (UPF) consumption has been linked to globally increasing incidence and prevalence in chronic diseases including inflammatory bowel diseases (IBD). We aimed to investigate the association between UPF consumption and IBD incidence, prevalence, and IBD-relevant outcomes. METHODS We performed a cross-sectional and prospective cohort study in 187,854 individuals included in the national UK Biobank using 24-hour dietary recall questionnaires. Multivariable logistic regression and Cox proportional hazard regression were used to examine the association between UPFs and the prevalent, and incidence risk of IBD, respectively. RESULTS 185,849 participants with a mean age of 56.2 were included with a mean follow-up of 9.84 years. During follow-up, 841 developed IBD (251 Crohn's disease (CD), and 590 ulcerative colitis (UC)). UPF intake in IBD patients was significantly higher (CD: OR 1.94 (95%CI: 1.52 - 2.49, p<0.001); UC: OR 1.39 (95%CI: 1.17 - 1.65, p<0.001)). Compared to low consumption, higher UPF consumption was significantly associated with incident CD (HR 2.00 (95%CI: 1.32 - 3.03, p=0.001), but not UC. We also found a significant association between UPF intake and need of IBD-related surgery (HR 4.06 (95%CI: 1.52 - 10.86, p= 0.005)). CONCLUSION Higher intake of UPFs was associated with higher incidence of CD, but not UC. In individuals with a pre-existing diagnosis of IBD, consumption of UPFs was significantly higher compared to controls, and was associated with an increased need for IBD-related surgery. Further studies are needed to address the impact of UPF intake on disease pathogenesis, and outcomes.
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Affiliation(s)
- Jie Chen
- School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Judith Wellens
- Translational Gastro-Intestinal Unit, Nuffield Department of Medicine, John Radcliffe Hospital, Oxford, UK.,KU Leuven Department of Chronic Diseases and Metabolism, Translational Research Center for Gastrointestinal Disorders (TARGID), Leuven, Belgium
| | - Rahul Kalla
- Medical Research Council Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Tian Fu
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Minzi Deng
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Han Zhang
- School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Shuai Yuan
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Xiaoyan Wang
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Evropi Theodoratou
- Centre for Global Health Research, Usher Institute, University of Edinburgh, Edinburgh, United Kingdom.,Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Xue Li
- School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jack Satsangi
- Translational Gastro-Intestinal Unit, Nuffield Department of Medicine, John Radcliffe Hospital, Oxford, UK
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30
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Wellens J, Edmans M, Obolski U, McGregor CG, Simmonds P, Turner M, Jarvis L, Skelly D, Dunachie S, Barnes E, Eyre DW, Colombel JF, Wong SY, Klenerman P, Lindsay JO, Satsangi J, Thompson CP. Combination therapy of infliximab and thiopurines, but not monotherapy with infliximab or vedolizumab, is associated with attenuated IgA and neutralisation responses to SARS-CoV-2 in inflammatory bowel disease. Gut 2022; 71:1919-1922. [PMID: 34911744 DOI: 10.1136/gutjnl-2021-326312] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 11/06/2021] [Indexed: 12/08/2022]
Affiliation(s)
- Judith Wellens
- Department of Gastroenterology and Hepatology, University Hospitals Leuven, KU Leuven, Leuven, Belgium.,Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Matthew Edmans
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK.,Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Uri Obolski
- School of Public Health, Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.,Porter School of Environmental and Earth Sciences, Faculty of Exact Sciences, Tel-Aviv University, Tel-Aviv, Israel
| | | | - Peter Simmonds
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Marc Turner
- National Microbiology Reference Unit, Scottish National Blood Transfusion Service, Edinburgh, Edinburgh, UK
| | - Lisa Jarvis
- National Microbiology Reference Unit, Scottish National Blood Transfusion Service, Edinburgh, Edinburgh, UK
| | - Donal Skelly
- Nuffield Department of Medicine, University of Oxford, Oxford, UK.,Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Susanna Dunachie
- Department of Microbiology/Infectious Diseases, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Oxford, UK.,Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK.,Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Bangkok, Thailand
| | - Eleanor Barnes
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK.,Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - David W Eyre
- Department of Microbiology/Infectious Diseases, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Oxford, UK.,Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | | | - Serre-Yu Wong
- The Henry D. Janowitz Division of Gastroenterology, Department of Medicine, Mount Sinai School of Medicine, New York, New York, USA
| | - Paul Klenerman
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK.,Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - James O Lindsay
- Centre for Immunobiology, Blizard Institute, Queen Mary University of London, London, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Craig P Thompson
- Warwick Medical School, University of Warwick, Coventry, UK .,Department of Zoology, University of Oxford, Oxford, UK
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31
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Nowak JK, Adams AT, Kalla R, Lindstrøm JC, Vatn S, Bergemalm D, Keita ÅV, Gomollón F, Jahnsen J, Vatn MH, Ricanek P, Ostrowski J, Walkowiak J, Halfvarson J, Satsangi J. Characterisation of the Circulating Transcriptomic Landscape in Inflammatory Bowel Disease Provides Evidence for Dysregulation of Multiple Transcription Factors Including NFE2, SPI1, CEBPB, and IRF2. J Crohns Colitis 2022; 16:1255-1268. [PMID: 35212366 PMCID: PMC9426667 DOI: 10.1093/ecco-jcc/jjac033] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 01/11/2022] [Accepted: 02/23/2022] [Indexed: 01/11/2023]
Abstract
AIM To assess the pathobiological and translational importance of whole-blood transcriptomic analysis in inflammatory bowel disease [IBD]. METHODS We analysed whole-blood expression profiles from paired-end sequencing in a discovery cohort of 590 Europeans recruited across six countries in the IBD Character initiative (newly diagnosed patients with Crohn's disease [CD; n = 156], ulcerative colitis [UC; n = 167], and controls [n = 267]), exploring differential expression [DESeq2], co-expression networks [WGCNA], and transcription factor involvement [EPEE, ChEA, DoRothEA]. Findings were validated by analysis of an independent replication cohort [99 CD, 100 UC, 95 controls]. In the discovery cohort, we also defined baseline expression correlates of future treatment escalation using cross-validated elastic-net and random forest modelling, along with a pragmatic ratio detection procedure. RESULTS Disease-specific transcriptomes were defined in IBD [8697 transcripts], CD [7152], and UC [8521], with the most highly significant changes in single genes, including CD177 (log2-fold change [LFC] = 4.63, p = 4.05 × 10-118), MCEMP1 [LFC = 2.45, p = 7.37 × 10-109], and S100A12 [LFC = 2.31, p = 2.15 × 10-93]. Significantly over-represented pathways included IL-1 [p = 1.58 × 10-11], IL-4, and IL-13 [p = 8.96 × 10-9]. Highly concordant results were obtained using multiple regulatory activity inference tools applied to the discovery and replication cohorts. These analyses demonstrated central roles in IBD for the transcription factors NFE2, SPI1 [PU.1], CEBPB, and IRF2, all regulators of cytokine signalling, based on a consistent signal across cohorts and transcription factor ranking methods. A number of simple transcriptome-based models were associated with the need for treatment escalation, including the binary CLEC5A/CDH2 expression ratio in UC (hazard ratio = 23.4, 95% confidence interval [CI] 5.3-102.0). CONCLUSIONS Transcriptomic analysis has allowed for a detailed characterisation of IBD pathobiology, with important potential translational implications.
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Affiliation(s)
- Jan K Nowak
- Corresponding authors: Dr Jan K. Nowak, Translational Gastroenterology Unit, Experimental Medicine Division, John Radcliffe Hospital, Headley Way, Headington, Oxford OX3 9DU, UK.
| | | | - Rahul Kalla
- MRC Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Jonas C Lindstrøm
- Health Services Research Unit, Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Simen Vatn
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
| | - Daniel Bergemalm
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Åsa V Keita
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | | | - Jørgen Jahnsen
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
| | - Morten H Vatn
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- EpiGen Institute, Akershus University Hospital, University of Oslo, Oslo, Norway
| | - Petr Ricanek
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
| | - Jerzy Ostrowski
- Department of Genetics, Maria Skłodowska-Curie National Research Institute of Oncology, Warsaw, Poland
- Department of Gastroenterology, Hepatology and Clinical Oncology, Centre for Postgraduate Medical Education, Warsaw, Poland
| | - Jaroslaw Walkowiak
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | | | - Jack Satsangi
- Jack Satsangi, Translational Gastroenterology Unit, Experimental Medicine Division, John Radcliffe Hospital, Headley Way, Headington, Oxford, OX3 9DU, UK.
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32
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Wong D, Matini L, Kormilitzin A, Kantschuster R, Simadibrata DM, Lyden S, Wilson J, Brain OA, Palmer R, Ambrose T, Satsangi J, South M, Geddes J, Bodger K, Travis SPL, Walsh A. Patient-reported Outcomes: the ICHOM Standard Set for Inflammatory Bowel Disease in Real-life Practice Helps Quantify Deficits in Current Care. J Crohns Colitis 2022; 16:1874-1881. [PMID: 35868223 PMCID: PMC9721458 DOI: 10.1093/ecco-jcc/jjac099] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Patient-reported outcome measures [PROMs] are key to documenting outcomes that matter most to patients and are increasingly important to commissioners of health care seeking value. We report the first series of the ICHOM Standard Set for Inflammatory Bowel Disease [IBD]. METHODS Patients treated for ulcerative colitis [UC] or Crohn's disease [CD] in our centre were offered enrolment into the web-based TrueColours-IBD programme. Through this programme, e-mail prompts linking to validated questionnaires were sent for symptoms, quality of life, and ICHOM IBD outcomes. RESULTS The first 1299 consecutive patients enrolled [779 UC, 520 CD] were studied with median 270 days of follow-up (interquartile range [IQR] 116, 504). 671 [52%] were female, mean age 42 years (standard deviation [sd] 16), mean body mass index [BMI] 26 [sd 5.3]. At registration, 483 [37%] were using advanced therapies. Median adherence to fortnightly quality of life reporting and quarterly outcomes was 100% [IQR 48, 100%] and 100% [IQR 75, 100%], respectively. In the previous 12 months, prednisolone use was reported by 229 [29%] patients with UC vs 81 [16%] with CD, p <0.001; 202 [16%] for <3 months; and 108 [8%] for >3 months. An IBD-related intervention was reported by 174 [13%] patients, and 80 [6%] reported an unplanned hospital admission. There were high rates of fatigue [50%] and mood disturbance [23%]. CONCLUSIONS Outcomes reported by patients illustrate the scale of the therapeutic deficit in current care. Proof of principle is demonstrated that PROM data can be collected continuously with little burden on health care professionals. This may become a metric for quality improvement programmes or to compare outcomes.
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Affiliation(s)
- Darren Wong
- Corresponding author: Dr Alissa Walsh, Translational Gastroenterology Unit, Oxford University Hospitals NHS Foundation Trust, Headley Way, Headington, Oxford OX3 9DU, UK. E-mail:
| | - Lawrence Matini
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust and NIHR Biomedical Research Centre, Oxford, UK
| | | | - Ramona Kantschuster
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust and NIHR Biomedical Research Centre, Oxford, UK
| | - Daniel Martin Simadibrata
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust and NIHR Biomedical Research Centre, Oxford, UK,Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Sara Lyden
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust and NIHR Biomedical Research Centre, Oxford, UK
| | - Jean Wilson
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust and NIHR Biomedical Research Centre, Oxford, UK
| | - Oliver A Brain
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust and NIHR Biomedical Research Centre, Oxford, UK
| | - Rebecca Palmer
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust and NIHR Biomedical Research Centre, Oxford, UK
| | - Tim Ambrose
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust and NIHR Biomedical Research Centre, Oxford, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust and NIHR Biomedical Research Centre, Oxford, UK
| | - Matthew South
- Department of Psychiatry, University of Oxford, Oxford, UK
| | - John Geddes
- Department of Psychiatry, University of Oxford, Oxford, UK
| | - Keith Bodger
- Department of Health Data Science, Institute of Population Health, University of Liverpool, Liverpool, UK
| | - Simon P L Travis
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust and NIHR Biomedical Research Centre, Oxford, UK
| | - Alissa Walsh
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust and NIHR Biomedical Research Centre, Oxford, UK
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33
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Chapman TP, Satsangi J. Head-to-head biologic therapy in Crohn's disease. Lancet 2022; 399:2169-2171. [PMID: 35691307 DOI: 10.1016/s0140-6736(22)00843-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 05/04/2022] [Indexed: 10/18/2022]
Affiliation(s)
- Thomas P Chapman
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford OX3 9DU, UK; Department of Gastroenterology, St Richard's and Worthing Hospitals, University Hospitals Sussex NHS Foundation Trust, West Sussex, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford OX3 9DU, UK.
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34
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Revés J, Chapman TP, Satsangi J, Torres J. Probing the Microbiome to Predict Response to Biologic Therapy in Inflammatory Bowel Disease-One Step Closer to Precision Medicine? Gastroenterology 2022; 162:2120-2122. [PMID: 35339462 DOI: 10.1053/j.gastro.2022.03.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Indexed: 12/02/2022]
Affiliation(s)
- Joana Revés
- Gastroenterology Division, Surgical Department, Hospital Beatriz Ângelo, Loures, Portugal
| | - Thomas P Chapman
- Department of Gastroenterology, St Richard's and Worthing Hospitals, University Hospitals Sussex National Health Service Foundation Trust, West Sussex, United Kingdom; Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom
| | - Joana Torres
- Gastroenterology Division, Surgical Department, Hospital Beatriz Ângelo, Loures, Portugal; Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal; Division of Gastroenterology, Hospital da Luz, Lisbon, Portugal
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35
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Hart A, D'Haens G, Bereswill M, Finney-Hayward T, Kalabic J, Levy G, Liang H, Seow CH, Loftus EV, Panaccione R, Reinisch W, Satsangi J. Observational data from the adalimumab post-marketing PYRAMID registry of patients with Crohn's disease who became pregnant: A post hoc analysis. United European Gastroenterol J 2022; 10:485-495. [PMID: 35560533 PMCID: PMC9189454 DOI: 10.1002/ueg2.12236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 04/14/2022] [Indexed: 12/11/2022] Open
Abstract
Background PYRAMID was an international post‐marketing registry that aimed to collect data on the long‐term safety and effectiveness of adalimumab treatment per local standard of care in patients with moderately to severely active Crohn's disease (CD). Here, we present post hoc analyses of observational data from patients who became pregnant while participating in this registry and receiving adalimumab. Methods From the subpopulation of patients receiving adalimumab who became pregnant while taking part in PYRAMID, data on patient characteristics, pregnancy outcomes, and complications of pregnancy were analysed retrospectively. Results Across the PYRAMID registry, 293 pregnancies occurred in patients who had gestational adalimumab exposure (average disease duration at last menstrual period: 8.6 years), resulting in 300 pregnancy outcomes. A total of 197 pregnancies (67.2%) were exposed to adalimumab in all trimesters per physician's decision. Of the known reported outcomes (96.3%), 81.7% (236/289) were live births, 10.4% (30/289) were spontaneous abortions, 4.8% (14/289) elective terminations, 2.8% (8/289) ectopic pregnancies, and 0.3% (1/289) was a stillbirth. Congenital malformations (pulmonary valve stenosis and tricuspid valve incompetence) were reported in one infant. In addition to the pregnancy outcomes described above, 23 complications of pregnancy were reported in 20 patients. Conclusions This analysis showed that adalimumab treatment in patients with CD, who became pregnant whilst participating in the PYRAMID registry, contributed no additional adverse effects during the pregnancy course or on pregnancy outcomes.
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Affiliation(s)
- Ailsa Hart
- IBD Unit, St Mark's Hospital, London, UK
| | - Geert D'Haens
- Department of Gastroenterology and Hepatology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Mareike Bereswill
- Pharmaceutical Research and Development, AbbVie Deutschland GmbH & Co. KG, Ludwigshafen, Germany
| | | | - Jasmina Kalabic
- Pharmaceutical Research and Development, AbbVie Deutschland GmbH & Co. KG, Ludwigshafen, Germany
| | - Gweneth Levy
- Research and Development, AbbVie Inc., North Chicago, Illinois, USA
| | - Huifang Liang
- Research and Development, AbbVie Inc., North Chicago, Illinois, USA
| | - Cynthia H Seow
- Division of Gastroenterology and Hepatology, Departments of Medicine and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Edward V Loftus
- Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Remo Panaccione
- Inflammatory Bowel Disease Unit, Division of Gastroenterology and Hepatology, University of Calgary, Calgary, Alberta, Canada
| | - Walter Reinisch
- Clinical Department of Gastroenterology and Hepatology, Medical University Vienna, Vienna, Wien, Austria
| | - Jack Satsangi
- Nuffield Department of Medicine, Translational Gastroenterology Unit, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
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36
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Zhang S, Morgan XC, Dogan B, Martin FP, Strickler SR, Oka A, Herzog J, Liu B, Dowd SE, Huttenhower C, Pichaud M, Dogan EI, Satsangi J, Longman R, Yantiss R, Mueller LA, Scherl E, Sartor RB, Simpson KW. Mucosal metabolites fuel the growth and virulence of E. coli linked to Crohn's disease. JCI Insight 2022; 7:157013. [PMID: 35413017 PMCID: PMC9220930 DOI: 10.1172/jci.insight.157013] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 04/07/2022] [Indexed: 11/24/2022] Open
Abstract
Elucidating how resident enteric bacteria interact with their hosts to promote health or inflammation is of central importance to diarrheal and inflammatory bowel diseases across species. Here, we integrated the microbial and chemical microenvironment of a patient’s ileal mucosa with their clinical phenotype and genotype to identify factors favoring the growth and virulence of adherent and invasive E. coli (AIEC) linked to Crohn’s disease. We determined that the ileal niche of AIEC was characterized by inflammation, dysbiosis, coculture of Enterococcus, and oxidative stress. We discovered that mucosal metabolites supported general growth of ileal E. coli, with a selective effect of ethanolamine on AIEC that was augmented by cometabolism of ileitis-associated amino acids and glutathione and by symbiosis-associated fucose. This metabolic plasticity was facilitated by the eut and pdu microcompartments, amino acid metabolism, γ-glutamyl-cycle, and pleiotropic stress responses. We linked metabolism to virulence and found that ethanolamine and glutamine enhanced AIEC motility, infectivity, and proinflammatory responses in vitro. We connected use of ethanolamine to intestinal inflammation and L-fuculose phosphate aldolase (fucA) to symbiosis in AIEC monoassociated IL10–/– mice. Collectively, we established that AIEC were pathoadapted to utilize mucosal metabolites associated with health and inflammation for growth and virulence, enabling the transition from symbiont to pathogen in a susceptible host.
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Affiliation(s)
- Shiying Zhang
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, United States of America
| | - Xochitl C Morgan
- Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand
| | - Belgin Dogan
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, United States of America
| | - Francois-Pierre Martin
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Lausanne, Switzerland
| | - Susan R Strickler
- Plant Research, Boyce Thompson Institute, Ithaca, United States of America
| | - Akihiko Oka
- Department of Internal Medicine II, Shimane University Faculty of Medicine, Izumo, Japan
| | - Jeremy Herzog
- Department of Medicine, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, United States of America
| | - Bo Liu
- Department of Medicine, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, United States of America
| | - Scot E Dowd
- MR DNA: Molecular Research LP, Shallowater, United States of America
| | - Curtis Huttenhower
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, United States of America
| | | | - Esra I Dogan
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, United States of America
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, John Radcliffe Hospital, Oxford, United Kingdom
| | - Randy Longman
- Jill Roberts Center for Inflammatory Bowel Disease, Weill Cornell Medical College, Cornell University, New York, United States of America
| | - Rhonda Yantiss
- Jill Roberts Center for Inflammatory Bowel Disease, Weill Cornell Medical College, Cornell University, New York, United States of America
| | - Lukas A Mueller
- Plant Research, Boyce Thompson Institute, Ithaca, United States of America
| | - Ellen Scherl
- Jill Roberts Center for Inflammatory Bowel Disease, Weill Cornell Medical College, Cornell University, New York, United States of America
| | - R Balfour Sartor
- Department of Medicine, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, United States of America
| | - Kenneth W Simpson
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, United States of America
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37
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Vatn SS, Lindstrøm JC, Moen AEF, Brackmann S, Tannæs TM, Olbjørn C, Bergemalm D, Keita ÅV, Gomollon F, Detlie TE, Lüders T, Kalla R, Adams A, Satsangi J, Jahnsen J, Vatn MH, Halfvarson J, Ricanek P, Nilsen H. Mucosal Gene Transcript Signatures in Treatment Naïve Inflammatory Bowel Disease: A Comparative Analysis of Disease to Symptomatic and Healthy Controls in the European IBD-Character Cohort. Clin Exp Gastroenterol 2022; 15:5-25. [PMID: 35185343 PMCID: PMC8848803 DOI: 10.2147/ceg.s343468] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 12/22/2021] [Indexed: 12/12/2022] Open
Abstract
Background Studies of the mucosal transcriptomic landscape have given new insight into the pathogenesis of inflammatory bowel disease (IBD). Recently, the predictive biomarker potential of gene expression signatures has been explored. To further investigate the mucosal gene expression in IBD, we recruited a cohort of treatment naïve patients and compared them to both symptomatic and healthy controls. Methods Altogether, 323 subjects were included: Crohn’s disease (N = 75), ulcerative colitis (N = 87) and IBD unclassified (N = 3). Additionally, there were two control groups: symptomatic controls (N = 131) and healthy controls (N = 27). Mucosal biopsies were collected during ileocolonoscopy and gene expression in inflamed and non-inflamed mucosa was explored. Gene expression profiling was performed using Agilent G3 Human Gene Expression 860K v3 One-Color microarray. We recorded information about treatment escalation to anti-TNF agents or surgery, and anti-TNF response, to explore predictive opportunities of the mucosal transcriptome. Results Gene expression profiles in symptomatic controls in whom IBD had been excluded resembled that of IBD patients and diverged from that of healthy controls. In non-inflamed Crohn’s disease and ulcerative colitis, gene set enrichment analysis revealed dysregulation of pathways involved in basic cellular biological processes. Mitochondria-associated pathways were dysregulated both in non-inflamed and inflamed Crohn’s disease and ulcerative colitis (>2.6 normalized enrichment scores <−1.8). Gene expression signatures of Crohn’s disease and ulcerative colitis did not predict time for treatment escalation (p = 0.175). No significant association was found between gene expression signatures and anti-TNF response. Conclusion Non-inflamed samples are probably superior to inflamed samples when exploring gene expression signatures in IBD and might reveal underlying mechanisms central for disease initiation. The gene expression signatures of the control groups were related to if they were symptomatic or not, which may have important implications for future study designs.
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Affiliation(s)
- Simen Svendsen Vatn
- Department of Clinical Molecular Biology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Gastroenterology, Division of Medicine, Akershus University Hospital, Lørenskog, Norway
- Correspondence: Simen Svendsen Vatn, Akershus University Hospital, Postbox 1000, Lørenskog, 1478, Norway, Tel +47 94277594, Email
| | - Jonas Christoffer Lindstrøm
- Health Services Research Unit (HØKH), Akershus University Hospital, Lørenskog, Norway
- Department of Methods Development and Analytics, Division of Infectious Disease Control and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Aina E F Moen
- Department of Clinical Molecular Biology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Methods Development and Analytics, Division of Infectious Disease Control and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
- Section for Clinical Molecular Biology (EpiGen), Akershus University Hospital, Lørenskog, Norway
| | - Stephan Brackmann
- Department of Clinical Molecular Biology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Gastroenterology, Division of Medicine, Akershus University Hospital, Lørenskog, Norway
| | - Tone M Tannæs
- Department of Clinical Molecular Biology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Section for Clinical Molecular Biology (EpiGen), Akershus University Hospital, Lørenskog, Norway
| | - Christine Olbjørn
- Department of Clinical Molecular Biology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Pediatric and Adolescent Medicine, Akershus University Hospital, Lørenskog, Norway
| | - Daniel Bergemalm
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Åsa V Keita
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | | | - Trond Espen Detlie
- Department of Clinical Molecular Biology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Gastroenterology, Division of Medicine, Akershus University Hospital, Lørenskog, Norway
| | - Torben Lüders
- Section for Clinical Molecular Biology (EpiGen), Akershus University Hospital, Lørenskog, Norway
| | - Rahul Kalla
- Gastrointestinal Unit, Centre for Genomics and Molecular Medicine, Division of Medical and Radiological Sciences, University of Edinburgh, Edinburgh, UK
| | - Alex Adams
- Gastrointestinal Unit, Centre for Genomics and Molecular Medicine, Division of Medical and Radiological Sciences, University of Edinburgh, Edinburgh, UK
- Translational Gastroenterology Unit, Medical Sciences/ Experimental medicine Division, University of Oxford, Oxford, UK
| | - Jack Satsangi
- Gastrointestinal Unit, Centre for Genomics and Molecular Medicine, Division of Medical and Radiological Sciences, University of Edinburgh, Edinburgh, UK
- Translational Gastroenterology Unit, Medical Sciences/ Experimental medicine Division, University of Oxford, Oxford, UK
| | - Jørgen Jahnsen
- Department of Clinical Molecular Biology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Gastroenterology, Division of Medicine, Akershus University Hospital, Lørenskog, Norway
| | - Morten H Vatn
- Department of Clinical Molecular Biology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Jonas Halfvarson
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Petr Ricanek
- Department of Gastroenterology, Division of Medicine, Akershus University Hospital, Lørenskog, Norway
| | - Hilde Nilsen
- Department of Clinical Molecular Biology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Section for Clinical Molecular Biology (EpiGen), Akershus University Hospital, Lørenskog, Norway
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Chapman TP, Revés J, Torres J, Satsangi J. Anti-SARS-CoV-2 Antibody Responses in Patients With IBD Treated With Biologics: Are We Finding CLARITY? Gastroenterology 2021; 161:2057-2059. [PMID: 34529994 PMCID: PMC8437698 DOI: 10.1053/j.gastro.2021.09.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Indexed: 12/02/2022]
Affiliation(s)
| | - Joana Revés
- Surgical Department, Gastroenterology Division, Hospital Beatriz Ângelo, Loures, Portugal
| | - Joana Torres
- Surgical Department, Gastroenterology Division, Hospital Beatriz Ângelo, Loures, Portugal; Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom
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McGregor CG, Adams A, Sadler R, Arancibia-Cárcamo CV, Palmer R, Ambrose T, Brain O, Walsh A, Klenerman P, Travis SP, Croft NM, Lindsay JO, Satsangi J. Maintenance therapy with infliximab or vedolizumab in IBD is not associated with increased SARS-CoV-2 seroprevalence: UK experience in the 2020 pandemic. Gut 2021; 70:2398-2400. [PMID: 33579788 DOI: 10.1136/gutjnl-2021-324116] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/02/2021] [Accepted: 02/03/2021] [Indexed: 12/18/2022]
Affiliation(s)
- Colleen Gc McGregor
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, University of Oxford, Oxford, UK
| | - Alex Adams
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, University of Oxford, Oxford, UK
| | - Ross Sadler
- Department of Laboratory Immunology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Carolina V Arancibia-Cárcamo
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, University of Oxford, Oxford, UK
| | - Rebecca Palmer
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, University of Oxford, Oxford, UK
| | - Tim Ambrose
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, University of Oxford, Oxford, UK
| | - Oliver Brain
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, University of Oxford, Oxford, UK
| | - Alissa Walsh
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, University of Oxford, Oxford, UK
| | - Paul Klenerman
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, University of Oxford, Oxford, UK
| | - Simon Pl Travis
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, University of Oxford, Oxford, UK
| | - Nicholas M Croft
- Centre for Immunobiology, Blizard Institute, Queen Mary University of London, London, UK.,Departments of Gastroenterology and Paediatric Gastroenterology, Royal London Hospital, Barts Health NHS Trust, London, UK
| | - James O Lindsay
- Centre for Immunobiology, Blizard Institute, Queen Mary University of London, London, UK.,Departments of Gastroenterology and Paediatric Gastroenterology, Royal London Hospital, Barts Health NHS Trust, London, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, University of Oxford, Oxford, UK
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Bergemalm D, Andersson E, Hultdin J, Eriksson C, Rush ST, Kalla R, Adams AT, Keita ÅV, D'Amato M, Gomollon F, Jahnsen J, Ricanek P, Satsangi J, Repsilber D, Karling P, Halfvarson J. Systemic Inflammation in Preclinical Ulcerative Colitis. Gastroenterology 2021; 161:1526-1539.e9. [PMID: 34298022 DOI: 10.1053/j.gastro.2021.07.026] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 07/12/2021] [Accepted: 07/12/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Preclinical ulcerative colitis is poorly defined. We aimed to characterize the preclinical systemic inflammation in ulcerative colitis, using a comprehensive set of proteins. METHODS We obtained plasma samples biobanked from individuals who developed ulcerative colitis later in life (n = 72) and matched healthy controls (n = 140) within a population-based screening cohort. We measured 92 proteins related to inflammation using a proximity extension assay. The biologic relevance of these findings was validated in an inception cohort of patients with ulcerative colitis (n = 101) and healthy controls (n = 50). To examine the influence of genetic and environmental factors on these markers, a cohort of healthy twin siblings of patients with ulcerative colitis (n = 41) and matched healthy controls (n = 37) were explored. RESULTS Six proteins (MMP10, CXCL9, CCL11, SLAMF1, CXCL11 and MCP-1) were up-regulated (P < .05) in preclinical ulcerative colitis compared with controls based on both univariate and multivariable models. Ingenuity Pathway Analyses identified several potential key regulators, including interleukin-1β, tumor necrosis factor, interferon-gamma, oncostatin M, nuclear factor-κB, interleukin-6, and interleukin-4. For validation, we built a multivariable model to predict disease in the inception cohort. The model discriminated treatment-naïve patients with ulcerative colitis from controls with leave-one-out cross-validation (area under the curve = 0.92). Consistently, MMP10, CXCL9, CXCL11, and MCP-1, but not CCL11 and SLAMF1, were significantly up-regulated among the healthy twin siblings, even though their relative abundances seemed higher in incident ulcerative colitis. CONCLUSIONS A set of inflammatory proteins are up-regulated several years before a diagnosis of ulcerative colitis. These proteins were highly predictive of an ulcerative colitis diagnosis, and some seemed to be up-regulated already at exposure to genetic and environmental risk factors.
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Affiliation(s)
- Daniel Bergemalm
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden.
| | - Erik Andersson
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Johan Hultdin
- Department of Medical Biosciences, Division of Clinical Chemistry, Umeå University, Umeå, Sweden
| | - Carl Eriksson
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Stephen T Rush
- School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Rahul Kalla
- Medical Research Council Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Alex T Adams
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom
| | - Åsa V Keita
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Mauro D'Amato
- CIC bioGUNE Basque Research and Technology Alliance and Basque Science Foundation, Bilbao, Spain; Division of Clinical Epidemiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Fernando Gomollon
- Hospital Clinico Universitario Lozano Blesa, IIS Aragón, Zaragoza, Spain
| | - Jørgen Jahnsen
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway; Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | | | - Petr Ricanek
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom; Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Dirk Repsilber
- School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Pontus Karling
- Department of Public Health and Clinical Medicine, Division of Medicine, Umeå University, Umeå, Sweden
| | - Jonas Halfvarson
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
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Nowak JK, Kalla R, Satsangi J. Reply. Gastroenterology 2021; 160:2622-2623. [PMID: 33549534 PMCID: PMC7859710 DOI: 10.1053/j.gastro.2021.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/14/2021] [Accepted: 02/03/2021] [Indexed: 12/02/2022]
Affiliation(s)
| | - Rahul Kalla
- MRC Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK and, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
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42
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Satsangi J. Prem Nath Satsangi. Assoc Med J 2021. [DOI: 10.1136/bmj.n1347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Kalla R, Adams AT, Bergemalm D, Vatn S, Kennedy NA, Ricanek P, Lindstrom J, Ocklind A, Hjelm F, Ventham NT, Ho GT, Petren C, Repsilber D, Söderholm J, Pierik M, D’Amato M, Gomollón F, Olbjorn C, Jahnsen J, Vatn MH, Halfvarson J, Satsangi J. Serum proteomic profiling at diagnosis predicts clinical course, and need for intensification of treatment in inflammatory bowel disease. J Crohns Colitis 2021; 15:699-708. [PMID: 33201212 PMCID: PMC8095384 DOI: 10.1093/ecco-jcc/jjaa230] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Success in personalized medicine in complex disease is critically dependent on biomarker discovery. We profiled serum proteins using a novel proximity extension assay [PEA] to identify diagnostic and prognostic biomarkers in inflammatory bowel disease [IBD]. METHODS We conducted a prospective case-control study in an inception cohort of 552 patients [328 IBD, 224 non-IBD], profiling proteins recruited across six centres. Treatment escalation was characterized by the need for biological agents or surgery after initial disease remission. Nested leave-one-out cross-validation was used to examine the performance of diagnostic and prognostic proteins. RESULTS A total of 66 serum proteins differentiated IBD from symptomatic non-IBD controls, including matrix metallopeptidase-12 [MMP-12; Holm-adjusted p = 4.1 × 10-23] and oncostatin-M [OSM; p = 3.7 × 10-16]. Nine of these proteins are associated with cis-germline variation [59 independent single nucleotide polymorphisms]. Fifteen proteins, all members of tumour necrosis factor-independent pathways including interleukin-1 (IL-1) and OSM, predicted escalation, over a median follow-up of 518 [interquartile range 224-756] days. Nested cross-validation of the entire data set allowed characterization of five-protein models [96% comprising five core proteins ITGAV, EpCAM, IL18, SLAMF7 and IL8], which define a high-risk subgroup in IBD [hazard ratio 3.90, confidence interval: 2.43-6.26], or allowed distinct two- and three-protein models for ulcerative colitis and Crohn's disease respectively. CONCLUSION We have characterized a simple oligo-protein panel that has the potential to identify IBD from symptomatic controls and to predict future disease course. Further prospective work is required to validate our findings.
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Affiliation(s)
- R Kalla
- Institute of Genetics and Molecular Medicine, University of Edinburgh, UK
- MRC Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, UK
| | - A T Adams
- Institute of Genetics and Molecular Medicine, University of Edinburgh, UK
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - D Bergemalm
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - S Vatn
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
| | - N A Kennedy
- Institute of Genetics and Molecular Medicine, University of Edinburgh, UK
- Exeter IBD and Pharmacogenetics group, University of Exeter, UK
| | - P Ricanek
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway
| | - J Lindstrom
- Health Services Research Unit, Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway
| | | | - F Hjelm
- Olink Proteomics, Uppsala, Sweden
| | - N T Ventham
- Institute of Genetics and Molecular Medicine, University of Edinburgh, UK
| | - G T Ho
- MRC Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, UK
| | - C Petren
- Olink Proteomics, Uppsala, Sweden
| | - D Repsilber
- School of Medical Sciences, Örebro University, Örebro, Sweden
| | - J Söderholm
- Department of Surgery and Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - M Pierik
- Maastricht University Medical Centre (MUMC), Department of Gastroenterology and Hepatology, Maastricht, Netherlands
| | - M D’Amato
- BioCruces Health Research Institute and Ikerbasque, Basque Foundation for Science, Bilbao, Spain
- School of Biological Sciences, Monash University, Victoria, Australia
| | - F Gomollón
- HCU ‘Lozano Blesa’, IIS Aragón, Zaragoza, Spain
| | - C Olbjorn
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway
| | - J Jahnsen
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway
| | - M H Vatn
- Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway
| | - J Halfvarson
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - J Satsangi
- Institute of Genetics and Molecular Medicine, University of Edinburgh, UK
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
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Brain O, Satsangi J. Therapeutic Decisions in Inflammatory Bowel Disease in the SARS-Cov-2 Pandemic. Gastroenterology 2021; 160:1883-1884. [PMID: 32553759 PMCID: PMC7832764 DOI: 10.1053/j.gastro.2020.05.083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Accepted: 05/28/2020] [Indexed: 01/07/2023]
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Gomes CF, Chapman T, Satsangi J, Torres J. Steering a Course through the COVID-19 Pandemic: Should the SECURE-IBD Registry Influence Prescribing for Patients with Inflammatory Bowel Disease? Gastroenterology 2021; 160:1867-1870. [PMID: 33516701 PMCID: PMC7843246 DOI: 10.1053/j.gastro.2021.01.216] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Indexed: 12/02/2022]
Affiliation(s)
| | - Thomas Chapman
- Department of Gastroenterology, Western Sussex Hospitals NHS Foundation Trust, West Sussex, and; Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, UK
| | - Joana Torres
- Surgical Department, Gastroenterology Division, Hospital Beatriz Ângelo, Loures, and; Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
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Grant RK, Jones GR, Plevris N, Lynch RW, Jenkinson PW, Lees CW, Manship TA, Jagger FAM, Brindle WM, Shivakumar M, Satsangi J, Arnott IDR. The ACE (Albumin, CRP and Endoscopy) Index in Acute Colitis: A Simple Clinical Index on Admission that Predicts Outcome in Patients With Acute Ulcerative Colitis. Inflamm Bowel Dis 2021; 27:451-457. [PMID: 32572468 DOI: 10.1093/ibd/izaa088] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Intravenous (IV) steroids remain the first-line treatment for patients with acute ulcerative colitis (UC). However, 30% of patients do not respond to steroids, requiring second-line therapy and/or surgery. There are no existing indices that allow physicians to predict steroid nonresponse at admission. We aimed to determine if admission biochemical and endoscopic values could predict response to IV steroids. METHODS All admissions for acute UC (ICD-10 K51) between November 1, 2011, and October 31, 2016 were identified. Case note review confirmed diagnosis; clinical, endoscopic, and laboratory data were collected. Steroid response was defined as discharge home with no further therapy for active UC. Nonresponse was defined as requirement for second-line therapy or surgery. Univariate and binary logistic regression analyses were employed to identify factors associated with steroid nonresponse. RESULTS Two hundred and thirty-five acute UC admissions were identified, comprising both acute severe and acute nonsevere UC; 155 of the 235 patients (66.0%) responded to steroids. Admission C-reactive protein (CRP) (P = 0.009, odds ratio [OR] 1.006), albumin (P < 0.001, OR 0.894) and endoscopic severity (P < 0.001, OR 3.166) differed significantly between responders and nonresponders. A simple UC severity score (area under the curve [AUC] 0.754, P < 0.001) was derived from these variables; 78.1% (25 of 32) of patients with concurrent CRP ≥50 mg/L, albumin ≤30 g/L, and increased endoscopic severity (severe on physician's global assessment) (maximum score = 3) did not respond to IV steroids (positive predictive value [PPV] 78.1%, negative predictive value [NPV] 87.1%). CONCLUSIONS More than three quarters of patients scoring 3 (albumin ≤30 g/L, CRP ≥50 mg/L, and increased endoscopic severity) did not respond to IV steroids. This combination of parameters (ACE) identifies on admission a high-risk population who may benefit from earlier second-line medical treatment or surgical intervention.
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Affiliation(s)
- Rebecca K Grant
- The Edinburgh IBD Unit, Western General Hospital, Edinburgh, UK
| | | | - Nikolas Plevris
- The Edinburgh IBD Unit, Western General Hospital, Edinburgh, UK
| | | | | | - Charlie W Lees
- The Edinburgh IBD Unit, Western General Hospital, Edinburgh, UK
| | | | | | | | | | - Jack Satsangi
- University of Edinburgh, Edinburgh, UK.,Translational Gastro-intestinal Unit, Nuffield Department of Medicine, John Radcliffe Hospital, Oxford, UK
| | - Ian D R Arnott
- The Edinburgh IBD Unit, Western General Hospital, Edinburgh, UK
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Abstract
Acute severe ulcerative colitis [ASUC] remains a common medical emergency, with 25% of patients with ulcerative colitis experiencing at least one event in their disease course. Despite advances in medical therapy, ASUC continues to be associated with considerable morbidity and mortality, with up to 30% of patients requiring colectomy during initial admission. Our aim was to review the current controversies and recent progress in risk stratification, prediction of outcome, and personalisation of care in ASUC. We re-assess the use of Truelove and Witts' criteria, serum biomarkers, and the use of composite clinical indices in current clinical practice. We explore the potential for endoscopic prediction using defined validated indices for accurate and early prognostication, and the need to define outcome. We also consider the impact of the current COVID-19 pandemic. Finally, we discuss the current research agenda, including the application of new and emerging biomarkers coupled with multi-omics and the implications in management and optimisation of outcome. Research priorities for the prediction of outcome in acute severe colitis include the following. 1. Development of an accurate admission score to guide early medical rescue therapy or colectomy. 2. Utility of point-of-care faecal calprotectin, with determination of optimal cut-off values. 3. Role of serum and faecal infliximab levels to both predict outcome and guide accelerated infliximab dosing. 4. Role of novel biomarkers, including serum calprotectin, in predicting response to corticosteroids or rescue therapy. 5. Specific predictors of response to ciclosporin and infliximab to allow rationalisation of drug use. 6. Utility of validated endoscopic scores. 7. Utility of radiological assessment beyond use of plain abdominal X-ray. 8. The use of multiomics and machine learning to predict risk of Acute Severe Colitis in patients with Ulcerative Colitis.
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Affiliation(s)
- Vipin Gupta
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, UK,Department Of Gastroenterology, University Hospital of Wales, Cardiff and Vale University Health Board, Cardiff, UK
| | - Waled Mohsen
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, UK,Digestive Diseases Unit, Gold Coast University Hospital, Queensland, Australia,Corresponding author: Waled Mohsen,
| | - Thomas P Chapman
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, UK,Department of Gastroenterology, Western Sussex Hospitals NHS Foundation Trust, Worthing, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, UK
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Gasparetto M, Payne F, Nayak K, Kraiczy J, Glemas C, Philip-McKenzie Y, Ross A, Edgar RD, Zerbino DR, Salvestrini C, Torrente F, Ventham NT, Kalla R, Satsangi J, Sarkies P, Heuschkel R, Zilbauer M. Transcription and DNA Methylation Patterns of Blood-Derived CD8 + T Cells Are Associated With Age and Inflammatory Bowel Disease But Do Not Predict Prognosis. Gastroenterology 2021; 160:232-244.e7. [PMID: 32814113 PMCID: PMC7428744 DOI: 10.1053/j.gastro.2020.08.017] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 08/07/2020] [Accepted: 08/11/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND & AIMS Gene expression patterns of CD8+ T cells have been reported to correlate with clinical outcomes of adults with inflammatory bowel diseases (IBD). We aimed to validate these findings in independent patient cohorts. METHODS We obtained peripheral blood samples from 112 children with a new diagnosis of IBD (71 with Crohn's disease and 41 with ulcerative colitis) and 19 children without IBD (controls) and recorded medical information on disease activity and outcomes. CD8+ T cells were isolated from blood samples by magnetic bead sorting at the point of diagnosis and during the course of disease. Genome-wide transcription (n = 192) and DNA methylation (n = 66) profiles were generated using Affymetrix and Illumina arrays, respectively. Publicly available transcriptomes and DNA methylomes of CD8+ T cells from 3 adult patient cohorts with and without IBD were included in data analyses. RESULTS Previously reported CD8+ T-cell prognostic expression and exhaustion signatures were only found in the original adult IBD patient cohort. These signatures could not be detected in either a pediatric or a second adult IBD cohort. In contrast, an association between CD8+ T-cell gene expression with age and sex was detected across all 3 cohorts. CD8+ gene transcription was clearly associated with IBD in the 2 cohorts that included non-IBD controls. Lastly, DNA methylation profiles of CD8+ T cells from children with Crohn's disease correlated with age but not with disease outcome. CONCLUSIONS We were unable to validate previously reported findings of an association between CD8+ T-cell gene transcription and disease outcome in IBD. Our findings reveal the challenges of developing prognostic biomarkers for patients with IBD and the importance of their validation in large, independent cohorts before clinical application.
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Affiliation(s)
- Marco Gasparetto
- Department of Paediatrics, University of Cambridge, Addenbrooke’s Hospital, Cambridge, United Kingdom,Department of Paediatric Gastroenterology, Hepatology and Nutrition, Cambridge University Hospitals, Addenbrooke’s, Cambridge, United Kingdom
| | - Felicity Payne
- Department of Paediatrics, University of Cambridge, Addenbrooke’s Hospital, Cambridge, United Kingdom,Department of Paediatric Gastroenterology, Hepatology and Nutrition, Cambridge University Hospitals, Addenbrooke’s, Cambridge, United Kingdom
| | - Komal Nayak
- Department of Paediatrics, University of Cambridge, Addenbrooke’s Hospital, Cambridge, United Kingdom
| | - Judith Kraiczy
- Department of Paediatrics, University of Cambridge, Addenbrooke’s Hospital, Cambridge, United Kingdom
| | - Claire Glemas
- Department of Paediatrics, University of Cambridge, Addenbrooke’s Hospital, Cambridge, United Kingdom,Department of Paediatric Gastroenterology, Hepatology and Nutrition, Cambridge University Hospitals, Addenbrooke’s, Cambridge, United Kingdom
| | - Yosef Philip-McKenzie
- Department of Paediatrics, University of Cambridge, Addenbrooke’s Hospital, Cambridge, United Kingdom
| | - Alexander Ross
- Department of Paediatrics, University of Cambridge, Addenbrooke’s Hospital, Cambridge, United Kingdom,Wellcome Trust-Medical Research Council Stem Cell Institute, University of Cambridge, Cambridge, United Kingdom
| | - Rachel D. Edgar
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, Cambridge, United Kingdom
| | - Daniel R. Zerbino
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, Cambridge, United Kingdom
| | - Camilla Salvestrini
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Cambridge University Hospitals, Addenbrooke’s, Cambridge, United Kingdom
| | - Franco Torrente
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Cambridge University Hospitals, Addenbrooke’s, Cambridge, United Kingdom
| | - Nicholas T. Ventham
- Academic Coloproctology, Western General Hospital, Edinburgh, Edinburgh, United Kingdom
| | - Rahul Kalla
- Medical Research Council Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Jack Satsangi
- Translational Gastroenterology Unit, University of Oxford, Oxford, United Kingdom
| | - Peter Sarkies
- Medical Research Council London Institute of Medical Sciences, United Kingdom,Institute of Clinical Sciences, Imperial College London, United Kingdom
| | - Robert Heuschkel
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Cambridge University Hospitals, Addenbrooke's, Cambridge, United Kingdom.
| | - Matthias Zilbauer
- Department of Paediatrics, University of Cambridge, Addenbrooke's Hospital, Cambridge, United Kingdom; Department of Paediatric Gastroenterology, Hepatology and Nutrition, Cambridge University Hospitals, Addenbrooke's, Cambridge, United Kingdom; Wellcome Trust-Medical Research Council Stem Cell Institute, University of Cambridge, Cambridge, United Kingdom.
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Kalla R, Adams AT, Ventham NT, Kennedy NA, White R, Clarke C, Ivens A, Bergemalm D, Vatn S, Lopez-Jimena B, Ricanek P, Vatn MH, Söderholm JD, Gomollón F, Nowak JK, Jahnsen J, Halfvarson J, McTaggart S, Ho GT, Buck A, Satsangi J. Whole Blood Profiling of T-cell-Derived microRNA Allows the Development of Prognostic models in Inflammatory Bowel Disease. J Crohns Colitis 2020; 14:1724-1733. [PMID: 32598439 DOI: 10.1093/ecco-jcc/jjaa134] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND MicroRNAs [miRNAs] are cell-specific small non-coding RNAs that can regulate gene expression and have been implicated in inflammatory bowel disease [IBD] pathogenesis. Here we define the cell-specific miRNA profiles and investigate its biomarker potential in IBD. METHODS In a two-stage prospective multi-centre case control study, next generation sequencing was performed on a discovery cohort of immunomagnetically separated leukocytes from 32 patients (nine Crohn's disease [CD], 14 ulcerative colitis [UC], eight healthy controls) and differentially expressed signals were validated in whole blood in 294 patients [97 UC, 98 CD, 98 non-IBD, 1 IBDU] using quantitative PCR. Correlations were analysed with phenotype, including need for early treatment escalation as a marker of progressive disease using Cox proportional hazards. RESULTS In stage 1, each leukocyte subset [CD4+ and CD8+ T-cells and CD14+ monocytes] was analysed in IBD and controls. Three specific miRNAs differentiated IBD from controls in CD4+ T-cells, including miR-1307-3p [p = 0.01], miR-3615 [p = 0.02] and miR-4792 [p = 0.01]. In the extension cohort, in stage 2, miR-1307-3p was able to predict disease progression in IBD (hazard ratio [HR] 1.98, interquartile range [IQR]: 1.20-3.27; logrank p = 1.80 × 10-3), in particular CD [HR 2.81; IQR: 1.11-3.53, p = 6.50 × 10-4]. Using blood-based multimarker miRNA models, the estimated chance of escalation in CD was 83% if two or more criteria were met and 90% for UC if three or more criteria are met. INTERPRETATION We have identified and validated unique CD4+ T-cell miRNAs that are differentially regulated in IBD. These miRNAs may be able to predict treatment escalation and have the potential for clinical translation; further prospective evaluation is now indicated.
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Affiliation(s)
- R Kalla
- MRC Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - A T Adams
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - N T Ventham
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - N A Kennedy
- Exeter IBD and Pharmacogenetics group, University of Exeter, Exeter, UK
| | - R White
- Institute of Immunology and Infection Research and Centre for Immunity, Infection & Evolution, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - C Clarke
- LifeArc, Nine Edinburgh Bioquarter, Edinburgh, UK
| | - A Ivens
- Institute of Immunology and Infection Research and Centre for Immunity, Infection & Evolution, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - D Bergemalm
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - S Vatn
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
| | | | | | - P Ricanek
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - M H Vatn
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Johan D Söderholm
- Department of Surgery and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - F Gomollón
- HCU 'Lozano Blesa', IIS Aragón, Zaragoza, Spain
| | - J K Nowak
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK.,Department of Paediatric Gastroenterology and Metabolic diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - J Jahnsen
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - J Halfvarson
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - S McTaggart
- LifeArc, Nine Edinburgh Bioquarter, Edinburgh, UK
| | - G T Ho
- MRC Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - A Buck
- Institute of Immunology and Infection Research and Centre for Immunity, Infection & Evolution, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - J Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, John Radcliffe Hospital, Oxford, UK.,Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
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50
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Frias Gomes C, Chapman TP, Satsangi J. De-escalation of medical therapy in inflammatory bowel disease. Curr Opin Pharmacol 2020; 55:73-81. [PMID: 33160250 DOI: 10.1016/j.coph.2020.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 09/24/2020] [Accepted: 09/27/2020] [Indexed: 02/07/2023]
Abstract
Treatment strategies for inflammatory bowel disease (IBD) now increasingly target deep remission, yet the resultant more aggressive use of medical therapy is associated with potentially serious adverse events and significant costs. It is, therefore, of vital importance to consider when, how and in whom medical therapy may be safely de-escalated. This issue is of great potential relevance in the current SARS-Cov-2 pandemic. In this review, we first discuss the rationale for drug withdrawal in IBD, before considering the available data on withdrawal of 5-aminosalicylates (5-ASA), immunomodulators (IM) and biological therapy in both ulcerative colitis (UC) and Crohn's Disease (CD). We consider how to identify patients most appropriate for drug withdrawal and outline a potential monitoring strategy for the early detection of relapse following drug withdrawal. We conclude with important future perspectives in this challenging field, and highlight ongoing trials that are likely to shape practice in the years to come.
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Affiliation(s)
- Catarina Frias Gomes
- Surgical Department, Gastroenterology Division, Hospital Beatriz Ângelo, Loures, Portugal.
| | - Thomas P Chapman
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, UK
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