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Dajti E, Frazzoni L, Iascone V, Secco M, Vestito A, Fuccio L, Eusebi LH, Fusaroli P, Rizzello F, Calabrese C, Gionchetti P, Bazzoli F, Zagari RM. Systematic review with meta-analysis: Diagnostic performance of faecal calprotectin in distinguishing inflammatory bowel disease from irritable bowel syndrome in adults. Aliment Pharmacol Ther 2023; 58:1120-1131. [PMID: 37823411 DOI: 10.1111/apt.17754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 06/29/2023] [Accepted: 09/25/2023] [Indexed: 10/13/2023]
Abstract
BACKGROUND Symptoms of inflammatory bowel disease (IBD) often overlap with those of irritable bowel syndrome (IBS). AIM To evaluate the diagnostic performance of faecal calprotectin in distinguishing patients with IBD from those with IBS METHODS: We searched MEDLINE, Embase, Scopus, and Cochrane Library databases up to 1 January 2023. Studies were included if they assessed the diagnostic performance of faecal calprotectin in distinguishing IBD from IBS (defined according to the Rome criteria) using colonoscopy with histology or radiology as reference standard in adults. We calculated summary sensitivity and specificity and their 95% confidence intervals (CI) using a random-effect bivariate model. The risk of bias was assessed using the Quality Assessment of Diagnostic Accuracy Studies II. RESULTS We included 17 studies with a total of 1956 patients. The summary sensitivity was 85.8% (95% CI: 78.3-91), and the specificity was 91.7% (95% CI: 84.5-95.7). At a prevalence of IBD of 1%, the negative predictive value was 99.8%, while the positive predictive value was only 9%. Subgroup analyses showed a higher sensitivity in Western than in Eastern countries (88% vs 73%) and at a cut-off of ≤50 μg/g than at >50 μg/g (87% vs. 79%), with similar estimates of specificity. All studies were at "high" or "unclear" risk of bias. CONCLUSIONS Faecal calprotectin is a reliable test in distinguishing patients with IBD from those with IBS. Faecal calprotectin seems to have a better sensitivity in Western countries and at a cut-off of ≤50 μg/g.
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Affiliation(s)
- Elton Dajti
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Leonardo Frazzoni
- Gastroenterology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, S. Orsola Hospital, Bologna, Italy
| | - Veronica Iascone
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Matteo Secco
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Amanda Vestito
- Gastroenterology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, S. Orsola Hospital, Bologna, Italy
- Gastro-Esophageal Disease Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, S. Orsola Hospital, Bologna, Italy
| | - Lorenzo Fuccio
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- Gastroenterology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, S. Orsola Hospital, Bologna, Italy
| | - Leonardo Henry Eusebi
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- Gastroenterology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, S. Orsola Hospital, Bologna, Italy
| | - Pietro Fusaroli
- Gastroenterology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, S. Orsola Hospital, Bologna, Italy
- Gastroenterology Unit, Hospital of Imola, Imola, Italy
| | - Fernando Rizzello
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- IBD Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, S. Orsola Hospital, Bologna, Italy
| | - Carlo Calabrese
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- IBD Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, S. Orsola Hospital, Bologna, Italy
| | - Paolo Gionchetti
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- IBD Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, S. Orsola Hospital, Bologna, Italy
| | - Franco Bazzoli
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Rocco Maurizio Zagari
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- Gastro-Esophageal Disease Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, S. Orsola Hospital, Bologna, Italy
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Ott A, Tutdibi E, Goedicke-Fritz S, Schöpe J, Zemlin M, Nourkami-Tutdibi N. Serum cytokines MCP-1 and GCS-F as potential biomarkers in pediatric inflammatory bowel disease. PLoS One 2023; 18:e0288147. [PMID: 37922289 PMCID: PMC10624322 DOI: 10.1371/journal.pone.0288147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 06/20/2023] [Indexed: 11/05/2023] Open
Abstract
BACKGROUND Inflammatory bowel diseases (IBDs) with the subtypes ulcerative colitis (UC) and Crohn disease (CD), are chronic autoimmune inflammatory disorders of the gastrointestinal tract. Cytokines are associated with the development and progression in pediatric IBD. We measured cytokine levels in pediatric IBD patients to assess their potential function as biomarkers in disease assessment. METHOD In this prospective cohort study, we enrolled 33 children with IBD. All patients were in stable remission for 3 months on enrollment. Patients who developed a relapse within six months after enrollment were classified as relapsers. Blood sampling was performed at enrolment and for relapsers in relapse and post-relapse. Serum concentrations of 14 cytokines, chemokines and growth factors (IL-1α, IL-1β, IL-6, IL-12p40, IP-10, TNF-α, IFN-γ, IL-10, IL-8, MIP-1α, MCP-1, MCP-3, G-CSF, GM-CSF) were measured simultaneously using multiplex bead-based sandwich immunoassay on Luminex 100 system. RESULTS MCP-1 was significantly higher in CD patients compared to UC patients at each disease stage: stable remission (P<0.048), unstable remission (P<0.013), relapse (P<0.026) and post-relapse (P<0.024). G-CSF was significantly increased in UC patients developing a relapse and in post-relapse stage compared to UC patients in remission (P<0.02 and p<0.03, respectively). CONCLUSION MCP-1 showed potential as a diagnostic biomarker in CD patients independent of disease activity as it was able to discriminate between subtypes of pediatric IBD. In UC patients, G-CSF was significantly elevated in relapsers indicating its use and role as a potential prognostic biomarker.
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Affiliation(s)
- Andrea Ott
- Hospital for General Pediatrics and Neonatology, Saarland University Medical Center, Homburg/Saar, Germany
| | - Erol Tutdibi
- Hospital for General Pediatrics and Neonatology, Saarland University Medical Center, Homburg/Saar, Germany
| | - Sybelle Goedicke-Fritz
- Hospital for General Pediatrics and Neonatology, Saarland University Medical Center, Homburg/Saar, Germany
| | - Jakob Schöpe
- Institute of Medical Biometry, Epidemiology and Medical Informatics, Saarland University, Homburg/Saar, Germany
| | - Michael Zemlin
- Hospital for General Pediatrics and Neonatology, Saarland University Medical Center, Homburg/Saar, Germany
| | - Nasenien Nourkami-Tutdibi
- Hospital for General Pediatrics and Neonatology, Saarland University Medical Center, Homburg/Saar, Germany
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Zhou N, Zhao Y, Yao Y, Wu N, Xu M, Du H, Wu J, Tu Y. Antioxidant Stress and Anti-Inflammatory Activities of Egg White Proteins and Their Derived Peptides: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:5-20. [PMID: 34962122 DOI: 10.1021/acs.jafc.1c04742] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Oxidative stress and chronic inflammation are the common pathological bases of chronic diseases such as atherosclerosis, cancer, and cardiovascular diseases, but most of the treatment drugs for chronic diseases have side effects. There is an increasing interest to identify food-derived bioactive compounds that can mitigate the pathological pathways associated with oxidative stress and chronic inflammation. Egg white contain a variety of biologically active proteins, many of which have antioxidant and anti-inflammatory activities and usually show better activity after enzymatic hydrolysis. This review covers the antioxidative stress and anti-inflammatory activities of egg white proteins and their derived peptides and clarifies their mechanism of action in vivo and in vitro. In addition, the link between oxidative stress and inflammation as well as their markers are reviewed. It suggests the potential application of egg white proteins and their derived peptides and puts forward further research prospects.
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Affiliation(s)
- Na Zhou
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang 330045, China
| | - Yan Zhao
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang 330045, China
| | - Yao Yao
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang 330045, China
| | - Na Wu
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang 330045, China
| | - Mingsheng Xu
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang 330045, China
| | - Huaying Du
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang 330045, China
| | - Jianping Wu
- Department of Agricultural Food and Nutritional Science, Faculty of Agricultural Life and Environmental Sciences, University of Alberta, Edmonton, Alberta T6G 2R3, Canada
| | - Yonggang Tu
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang 330045, China
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Letarouilly JG, Pham T, Pierache A, Acquacalda É, Banneville B, Barbarot S, Baudart P, Bauer É, Claudepierre P, Constantin A, Dernis E, Felten R, Gaudin P, Girard C, Gombert B, Goupille P, Guennoc X, Henry-Desailly I, Jullien D, Karimova E, Lanot S, Le Dantec L, Pascart T, Plastaras L, Sultan N, Truchet X, Varin S, Wendling D, Gaboriau L, Staumont-Sallé D, Peyrin-Biroulet L, Flipo RM. New-Onset Inflammatory Bowel Diseases Among IL-17 inhibitors-Treated Patients: Results From The Case-Control MISSIL Study. Rheumatology (Oxford) 2021; 61:2848-2855. [PMID: 34730790 DOI: 10.1093/rheumatology/keab819] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/29/2021] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES To describe new-onset inflammatory bowel diseases (new IBD) in patients treated with interleukin 17 inhibitors (IL-17i), to assess their incidence and to identify their risk factors in real life. METHODS A French national registry (MISSIL) aimed to report all cases of new IBD in patients treated with IL-17i from January 2016 to December 2019. Using the estimated number of patients treated by IL-17 in France during the study period, the annual incidence rates of new IBD was reported in IL-17i-treated patients. A case-control study was performed with two controls per new IBD case matched by gender, age and underlying inflammatory disease. RESULTS 31 cases of new IBD under IL-17i were collected: 27 patients treated for spondyloarthritis and 4 patients for psoriasis. All were observed with secukinumab (SEK). The median time to onset of new IBD symptoms was 4.0 (1.5-7.5) months. SEK was discontinued in all patients. The evolution was favourable with complete resolution (17/31), improvement (7/31) or stabilization (5/31). 2 patients died: one due to a massive myocardial infarction and one due to post-colectomy complications. The incidence of new IBD decreased from 0.69/100 PY (7/1010) in 2016, to 0.08/100PY (6/7951) in 2019. No previous treatment with etanercept (OR = 0.33, IC95% 0.14-0.80, p= 0.014) and low number of previous biological therapies (OR = 0.67, 95%CI 0.47-0.94, p= 0.021) were significantly associated with new IBD. CONCLUSION The incidence of new IBD was low and decreased from 2016 to 2019. The outcome was favourable in 24 out of 31 patients, but two patients died.
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Affiliation(s)
| | - Thao Pham
- Service de rhumatologie, Aix Marseille University, APHM, Marseille, France
| | - Adeline Pierache
- Université de Lille, CHU Lille, ULR 2694-METRICS: évaluation des technologies de santé et des pratiques médicales, Lille, France.,Département des biostatistiques, CHU de Lille, Lille, France
| | - Émilie Acquacalda
- Service de rhumatologie, Princess Grace Hospital Centre, Monaco, Monaco
| | | | - Sébastien Barbarot
- Université de Nantes, CHU Nantes, Service de dermatologie, UMR 1280 PhAN, INRAE, Nantes, France
| | | | - Élodie Bauer
- Service de rhumatologie, CHU de Nancy, Nancy, France
| | - Pascal Claudepierre
- Service de rhumatologie, Université Paris Est Créteil Val de Marne, EA 7379-Epiderme, AP-HP, Hôpital Henri-Mondor, Créteil, France
| | | | | | - Renaud Felten
- CHU de Strasbourg, Service de rhumatologie, Département Universitaire de Pharmacologie, Addictologie, Toxicologie et Thérapeutique, Université de Strasbourg, Strasbourg, France
| | - Philippe Gaudin
- Service de rhumatologie, CHU Grenoble Alpes, Grenoble, France
| | - Céline Girard
- Service de dermatologie, CHU Montpellier, Montpellier, France
| | - Bruno Gombert
- Service de rhumatologie, CH La Rochelle, La Rochelle, France
| | | | - Xavier Guennoc
- Service de rhumatologie, Centre Hospitalier de Saint-Brieuc, Saint-Brieuc, France
| | | | - Denis Jullien
- CHU Lyon, Service de dermatologie, Hôpital Edouard Herriot, Lyon, France
| | | | - Sylvain Lanot
- Service de rhumatologie, Centre Hospitalier Intercommunal Alençon-Mamers, Alençon, France
| | - Loïc Le Dantec
- Service de rhumatologie, Polyclinique d'Henin-Beaumont, Hénin-Beaumont, France
| | - Tristan Pascart
- Service de rhumatologie, GHICL, Hôpital Saint-Philibert, Lomme, France
| | | | | | - Xavier Truchet
- Service de pathologies digestives, HIA Sainte Anne, Toulon, France
| | - Stephane Varin
- Service de rhumatologie, CHD Vendée, La Roche-sur-Yon, France
| | - Daniel Wendling
- CHU Besançon, Service de rhumatologie, EA 4266, Université de Franche-Comté, Besançon, France
| | - Louise Gaboriau
- Centre régional de pharmacovigilance, Service de pharmacologie médicale, CHU de Lille, Lille, France
| | - Delphine Staumont-Sallé
- Université de Lille, CHU Lille, Service de dermatologie, U1286 Inserm INFINITE, Lille, France
| | | | - Rene-Marc Flipo
- Service de rhumatologie, Université de Lille, CHU Lille, Lille, France
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Park HR, Eom DH, Kim JH, Shin JC, Shin MS, Shin KS. Composition analysis and oral administered effects on dextran sulfate sodium-induced colitis of galactooligosaccharides bioconverted by Bacillus circulans. Carbohydr Polym 2021; 270:118389. [PMID: 34364630 DOI: 10.1016/j.carbpol.2021.118389] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 06/11/2021] [Accepted: 06/27/2021] [Indexed: 01/12/2023]
Abstract
Galactooligosaccharides have been known to have many health benefits as prebiotic ingredients. In this study, we examined the anti-inflammatory activity of the galactooligosaccharide, NeoGOS-P70 (Korean commercial product), in a dextran sodium sulfate-induced colitis model. Next, we performed compositional characterization of NeoGOS-P70, which confirmed that it was a 77.4% high-purity GOS products, including a large amount of 4'-galactosyllactose. Further experiments in DSS-induced colitis model showed that oral administration of NeoGOS-P70 could significantly improve DSS-induced colitis symptoms, such as weight loss, reduction in colon shortening, and suppression of inflammatory mediators, including interleukin-6, tumor necrosis factor-α, and myeloperoxidase secretion from colon of ulcerative colitis mice. Histological analysis of mucin expression in colon tissue revealed the protective effects of NeoGOS-P70. These results suggest the potential of the novel GOS, NeoGOS-P70, as an anti-ulcerative colitis agent that could regulate inflammatory responses.
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Affiliation(s)
- Hye-Ryung Park
- Department of Food Science and Biotechnology, Kyonggi University, Suwon, Gyeonggi-do 16227, Republic of Korea.
| | - Dong Hyun Eom
- Department of Food Science and Biotechnology, Kyonggi University, Suwon, Gyeonggi-do 16227, Republic of Korea
| | - Jae Hwan Kim
- Neo Cremar Co. Ltd., Seoul 05836, Republic of Korea.
| | | | - Myoung-Sook Shin
- College of Korean Medicine, Gachon University, Seongnam-si, Gyeonggi-do, 13120, Republic of Korea.
| | - Kwang-Soon Shin
- Department of Food Science and Biotechnology, Kyonggi University, Suwon, Gyeonggi-do 16227, Republic of Korea.
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Venkatakrishnan A, Holzknecht ZE, Holzknecht R, Bowles DE, Kotzé SH, Modliszewski JL, Parker W. Evolution of bacteria in the human gut in response to changing environments: An invisible player in the game of health. Comput Struct Biotechnol J 2021; 19:752-758. [PMID: 33552447 PMCID: PMC7829112 DOI: 10.1016/j.csbj.2021.01.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 01/07/2021] [Accepted: 01/08/2021] [Indexed: 01/23/2023] Open
Abstract
Several factors in Western society, including widespread use of antibiotics, chronic inflammation, and loss of complex eukaryotic symbionts such as helminths, have a dramatic impact on the ecosystem of the gut, affecting the microbiota hosted there. In addition, reductions in dietary fiber are profoundly impactful on the microbiota, causing extensive destruction of the niche space that supports the normally diverse microbial community in the gut. Abundant evidence now supports the view that, following dramatic alterations in the gut ecosystem, microorganisms undergo rapid change via Darwinian evolution. Such evolutionary change creates functionally distinct bacteria that may potentially have properties of pathogens but yet are difficult to distinguish from their benign predecessors.
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Affiliation(s)
| | - Zoie E Holzknecht
- Department of Surgery, Duke University School of Medicine, Durham, NC, USA
| | - Rob Holzknecht
- Department of Surgery, Duke University School of Medicine, Durham, NC, USA
| | - Dawn E Bowles
- Department of Surgery, Duke University School of Medicine, Durham, NC, USA
| | - Sanet H Kotzé
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, University of Stellenbosch, Cape Town 8000, South Africa
| | - Jennifer L Modliszewski
- Genomic Analysis and Bioinformatics Shared Resource, Duke Center for Genomic and Computational Biology, Duke University School of Medicine, Durham, NC, USA
| | - William Parker
- Department of Surgery, Duke University School of Medicine, Durham, NC, USA
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7
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Serological cytokine signature in paediatric patients with inflammatory bowel disease impacts diagnosis. Sci Rep 2020; 10:14638. [PMID: 32884009 PMCID: PMC7471680 DOI: 10.1038/s41598-020-71503-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 07/21/2020] [Indexed: 12/03/2022] Open
Abstract
Endoscopy is a central tool for diagnosing and evaluating paediatric inflammatory bowel diseases (PIBD), but is too invasive to be frequently repeated in young children. Furthermore, it is challenging to distinguish Crohn’s disease (CD) from ulcerative colitis (UC) endoscopically. This study aimed to determine biomarkers useful for the diagnosis of PIBD. Cytokines, chemokines, and growth factors were quantified in the sera of 15 patients with CD or UC, at disease onset prior to treatment, and 26 age-matched controls. Correlation of cytokine levels with the paediatric CD activity index (PCDAI) and the paediatric UC activity index (PUCAI) was analysed. Interleukin (IL)-6, IL-13, IL-7, and vascular endothelial growth factor were higher in the CD group than in the UC group. The receiver operating characteristic curve analysis showed that IL-7 was a putative biomarker for distinguishing CD from UC (area under the curve: 0.94). Granulocyte–macrophage colony-stimulating factor was associated with PCDAI, and an IL-1 receptor antagonist, IL-6, and macrophage inflammatory protein-1β were associated with PUCAI. These findings indicate significant differences in cytokine signatures among patients with new-onset PIBD, which may improve accuracy in diagnosing PIBD.
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Vicente-Steijn R, Jansen J, Bisheshar R, Haagen IA. Analytical and clinical performance of the fully-automated LIAISONXL calprotectin immunoassay from DiaSorin in IBD patients. Pract Lab Med 2020; 21:e00175. [PMID: 32637525 PMCID: PMC7327250 DOI: 10.1016/j.plabm.2020.e00175] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 06/18/2020] [Indexed: 02/06/2023] Open
Abstract
Objectives Distinction between inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS) based on clinical symptoms is often difficult. In this study we assessed the performance of the fully-automated calprotectin immunoassay from DiaSorin in IBD diagnosis and follow-up and compared it to the EliA calprotectin 2 immunoassay. Design and Methods: The calprotectin immunoassay from DiaSorin run on the LIAISONXL was analytically and clinically validated and compared to the EliA calprotectin 2 immunoassay from Thermo Fisher Scientific run on the ImmunoCAP250. Five patient groups were measured (n = 303): IBD: ulcerative colitis (UC) and Crohn’s disease (CD); non-IBD: IBS, other gastrointestinal diseases and controls (healthy patients with no gastrointestinal disease). Results The calprotectin immunoassay of DiaSorin showed good analytical performance with frozen samples. The presence of blood in the stool can interfere with the measurement of calprotectin. Patients suffering from IBD (UC or CD) showed significant higher concentrations of fecal calprotectin compared to controls (UC:710 ± 921 mg/kg; CD:967 ± 1243 mg/kg; controls:11±8 mg/kg) using DiaSorin’s immunoassay. The remaining non-IBD groups showed no significant difference compared to controls. Follow-up patients (n = 9) showed a significant decrease in fecal calprotectin after treatment. At 50 mg/kg cut-off value, the negative predictive value for DiaSorin’s immunoassay was 96% and the positive predictive value 83% (sensitivity of 95% and specificity of 86%). Conclusions The lack of standardization contributes to the numerical differences between the two methods, but the qualitative conclusions do not differ. DiaSorin’s calprotectin immunoassay can be used both to distinguish between IBD and non-IBD patients as well as for follow-up of IBD patients. New calprotectin immunoassay has a short sample preparation time and is easy to use. DiaSorin’s immunoassay can be used to distinguish between high and low risk IBD patients, as opposed to IBS. Differences observed between immunoassays are due to lack of standardization. Blood in the stool can effect the calprotectin measurement.
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Affiliation(s)
- R. Vicente-Steijn
- Laboratory of Hematology and Clinical Chemistry, OLVG Oost, Amsterdam, the Netherlands
- Corresponding author. OLVG Lab BV, OLVG Oost, Oosterpark 9, 1091 AC Amsterdam, the Netherlands.
| | - J.M. Jansen
- Department of Gastroenterology and Hepatology, OLVG Oost, Amsterdam, the Netherlands
| | - R. Bisheshar
- Laboratory of Hematology and Clinical Chemistry, OLVG Oost, Amsterdam, the Netherlands
| | - I.-A. Haagen
- Laboratory of Hematology and Clinical Chemistry, OLVG Oost, Amsterdam, the Netherlands
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Simulated gastrointestinal digests of corn protein hydrolysate alleviate inflammation in caco-2 cells and a mouse model of colitis. Journal of Food Science and Technology 2020; 57:2079-2088. [PMID: 32431334 DOI: 10.1007/s13197-020-04242-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 12/24/2019] [Accepted: 01/03/2020] [Indexed: 12/14/2022]
Abstract
Inflammatory bowel disease, a typical chronic inflammatory disease of the gastrointestinal tract, make up a growing share of the global disease burden. This study firstly evaluated the anti-inflammatory effects of corn protein hydrolysate (CPH) using a cell model of tumor cell necrosis factor-α (TNF-α)-induced inflammation and a mouse model of colitis induced by dextran sodium sulfate. CPH digests significantly inhibited the expression of cyclooxygenase-2 and inducible nitric oxide synthase, and reduced the secretion of interleukin-8 in TNF-α-induced inflammation in Caco-2 cells. In mice, CPH digests significantly improved the body weight loss, clinical scores, shortening of the colon and histological symptoms, and decreased the myeloperoxidase activity, and down regulated the expression of TNF-α, and interleukin-6 in the colon. The above results indicate that the CPH can potentially be used as a health food/nutraceutical for the treatment/management of intestinal inflammation.
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Laing BB, Lim AG, Ferguson LR. A Personalised Dietary Approach-A Way Forward to Manage Nutrient Deficiency, Effects of the Western Diet, and Food Intolerances in Inflammatory Bowel Disease. Nutrients 2019; 11:nu11071532. [PMID: 31284450 PMCID: PMC6683058 DOI: 10.3390/nu11071532] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 06/29/2019] [Accepted: 07/02/2019] [Indexed: 12/12/2022] Open
Abstract
This review discusses the personalised dietary approach with respect to inflammatory bowel disease (IBD). It identifies gene–nutrient interactions associated with the nutritional deficiencies that people with IBD commonly experience, and the role of the Western diet in influencing these. It also discusses food intolerances and how particular genotypes can affect these. It is well established that with respect to food there is no “one size fits all” diet for those with IBD. Gene–nutrient interactions may help explain this variability in response to food that is associated with IBD. Nutrigenomic research, which examines the effects of food and its constituents on gene expression, shows that—like a number of pharmaceutical products—food can have beneficial effects or have adverse (side) effects depending on a person’s genotype. Pharmacogenetic research is identifying gene variants with adverse reactions to drugs, and this is modifying clinical practice and allowing individualised treatment. Nutrigenomic research could enable individualised treatment in persons with IBD and enable more accurate tailoring of food intake, to avoid exacerbating malnutrition and to counter some of the adverse effects of the Western diet. It may also help to establish the dietary pattern that is most protective against IBD.
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Affiliation(s)
- Bobbi B Laing
- Faculty of Medical and Health Sciences, University of Auckland, Auckland 1023, New Zealand
- Nutrition Society of New Zealand, Palmerston North 4444, New Zealand
| | - Anecita Gigi Lim
- Faculty of Medical and Health Sciences, University of Auckland, Auckland 1023, New Zealand
| | - Lynnette R Ferguson
- Faculty of Medical and Health Sciences, University of Auckland, Auckland 1023, New Zealand.
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11
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Sarcopenia is associated with Postoperative Outcome in Patients with Crohn’s Disease Undergoing Bowel Resection. GASTROINTESTINAL DISORDERS 2019. [DOI: 10.3390/gidisord1010015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Sarcopenia is as an important prognostic factor in inflammatory bowel disease. In patients with Crohn’s disease (CD), sarcopenia has impact on morbidity after surgical resection. Aim: Evaluate sarcopenia impact on prognosis of patients with CD and assess CD sarcopenia prevalence. An retrospective study of 58 CD patients diagnosed histologically and imagiologically at the Hospital de Braga between 1 January 2009 and 31 December 2017. In order to obtain the Skeletal Muscle Index (SMI), it was calculated the muscle area at L3 level, from computed tomography. The t-test was used for independent samples, Mann-Whitney test, chi-square test and Fisher’s exact test for comparison between groups with and without sarcopenia. Sarcopenia prevalence was 41.4% (24 patients). Patients with sarcopenia presented a muscle area with a mean value of 119.88 cm2 (±28.10), significantly lower than that of the group of patients without sarcopenia (t(56) = 2.191, p = 0.033, d = 0.60), and values of SMI with median 42.86 cm2/m2, significantly lower than patients without sarcopenia (t(56) = 2.815, p = 0.007, d = 0.08). Regarding postoperative complications, significant differences were observed between the two groups (p = 0.000). In this study, sarcopenia was significantly associated with postoperative morbidity, as reported in the literature.
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Conjunctival Impression Cytology and Tear-Film Changes in Patients With Inflammatory Bowel Disease. Eye Contact Lens 2018; 44 Suppl 2:S420-S425. [DOI: 10.1097/icl.0000000000000537] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Pathirana WPNGW, Chubb SAP, Gillett MJ, Vasikaran SD. Faecal Calprotectin. Clin Biochem Rev 2018; 39:77-90. [PMID: 30828114 PMCID: PMC6370282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Calprotectin is a calcium- and zinc-binding protein of the S-100 protein family which is mainly found within neutrophils and throughout the human body. The presence of calprotectin in faeces is a consequence of neutrophil migration into the gastrointestinal tissue due to an inflammatory process. Faecal calprotectin concentrations demonstrate good correlation with intestinal inflammation and faecal calprotectin is used as a biomarker in gastrointestinal disorders. Faecal calprotectin is a very sensitive marker for inflammation in the gastrointestinal tract, and useful for the differentiation of inflammatory bowel disease (IBD) from irritable bowel syndrome (IBS). Faecal calprotectin is used for the diagnosis, monitoring disease activity, treatment guidance and prediction of disease relapse and post-operative recurrence in IBD. There may also potentially be a role for faecal calprotectin in the management of infectious gastroenteritis, acute appendicitis, peptic ulcer disease, cystic fibrosis, coeliac disease, transplant rejection and graft versus host disease. Further studies are needed to confirm its utility in these conditions. Analysis of faecal calprotectin consists of an extraction step followed by quantification by immunoassay. Over the past few decades, several assays and extraction devices including point-of-care methods have been introduced by manufacturers. The manufacturer-quoted cut-off values for different faecal calprotectin assays are generally similar. However, the sensitivities and specificities at a given cut-off, and therefore the optimum cut-off values, are different between assays. A reference standard for calprotectin is lacking. Therefore, assay standardisation is required for more accurate and traceable test results for faecal calprotectin.
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Affiliation(s)
- WPN Ganga W Pathirana
- Department of Clinical Biochemistry, PathWest Laboratory Medicine WA, Fiona Stanley Hospital, Murdoch, WA 6150, Australia
| | - SA Paul Chubb
- Department of Clinical Biochemistry, PathWest Laboratory Medicine WA, Fiona Stanley Hospital, Murdoch, WA 6150, Australia
- School of Medicine, Faculty of Health and Medical Sciences, The University of Western Australia, Crawley, WA 6009, Australia
| | - Melissa J Gillett
- Department of Clinical Biochemistry, PathWest Laboratory Medicine WA, Fiona Stanley Hospital, Murdoch, WA 6150, Australia
| | - Samuel D Vasikaran
- Department of Clinical Biochemistry, PathWest Laboratory Medicine WA, Fiona Stanley Hospital, Murdoch, WA 6150, Australia
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Sýkora J, Pomahačová R, Kreslová M, Cvalínová D, Štych P, Schwarz J. Current global trends in the incidence of pediatric-onset inflammatory bowel disease. World J Gastroenterol 2018; 24:2741-2763. [PMID: 29991879 PMCID: PMC6034144 DOI: 10.3748/wjg.v24.i25.2741] [Citation(s) in RCA: 219] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 06/01/2018] [Accepted: 06/25/2018] [Indexed: 02/06/2023] Open
Abstract
AIM To perform a comprehensive review and provide an up-to-date synopsis of the incidence and trends of inflammatory bowel disease (IBD). METHODS We systematically searched the MEDLINE (source PubMed), EMBASE and Cochrane Library databases in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines (period: 1985-2018) to identify studies reporting population-based data on the incidence of pediatric-onset (< 19 years at diagnosis) IBD in full manuscripts. Two authors carried out screening and data extraction. Choropleth interactive maps and temporal trends were used to illustrate the international differences and incidences of and changes in IBD and subtypes. RESULTS In total, one hundred forty studies reporting data from 38 countries were considered in this review. The highest annual pediatric incidences of IBD were 23/100000 person-years in Europe, 15.2/100000 in North America, and 11.4/100000 in Asia/the Middle East and Oceania. The highest annual incidences of Crohn's disease (CD) were 13.9/100000 in North America and 12.3/100000 in Europe. The highest annual incidences of ulcerative colitis (UC) were 15.0/100000 in Europe and 10.6/100000 in North America. The highest annual incidences of IBD-unclassified (IBD-U) were 3.6/100000 in Europe and 2.1/100000 in North America. In the time-trend analyses, 67% of CD, 46% of UC and 11% of IBD-U studies reported an increasing incidence (P < 0.05). The risk of IBD is increasing among first-generation of migrant populations. CONCLUSION Globally, the incidence of IBD varies greatly by geographical areas. The steadily increasing incidence of pediatric IBD over time indicates its emergence as a global disease, suggesting that studies should investigate the environmental risk factors among pediatric cohorts.
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Affiliation(s)
- Josef Sýkora
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Charles University in Prague, Faculty of Medicine in Pilsen, Faculty Hospital, Pilsen 304 60, Czech Republic
| | - Renáta Pomahačová
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Charles University in Prague, Faculty of Medicine in Pilsen, Faculty Hospital, Pilsen 304 60, Czech Republic
| | - Marcela Kreslová
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Charles University in Prague, Faculty of Medicine in Pilsen, Faculty Hospital, Pilsen 304 60, Czech Republic
| | - Dominika Cvalínová
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Charles University in Prague, Faculty of Medicine in Pilsen, Faculty Hospital, Pilsen 304 60, Czech Republic
| | - Přemysl Štych
- Department of Applied Geoinformatics and Cartography, Charles University in Prague, Faculty of Science, Prague 128 43, Czech Republic
| | - Jan Schwarz
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Charles University in Prague, Faculty of Medicine in Pilsen, Faculty Hospital, Pilsen 304 60, Czech Republic
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Sýkora J, Pomahačová R, Kreslová M, Cvalínová D, Štych P, Schwarz J. Current global trends in the incidence of pediatric-onset inflammatory bowel disease. World J Gastroenterol 2018. [PMID: 29991879 DOI: 10.3748/wjg.v24.i25.2741.pmid:29991879;pmcid:pmc6034144] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/14/2023] Open
Abstract
AIM To perform a comprehensive review and provide an up-to-date synopsis of the incidence and trends of inflammatory bowel disease (IBD). METHODS We systematically searched the MEDLINE (source PubMed), EMBASE and Cochrane Library databases in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines (period: 1985-2018) to identify studies reporting population-based data on the incidence of pediatric-onset (< 19 years at diagnosis) IBD in full manuscripts. Two authors carried out screening and data extraction. Choropleth interactive maps and temporal trends were used to illustrate the international differences and incidences of and changes in IBD and subtypes. RESULTS In total, one hundred forty studies reporting data from 38 countries were considered in this review. The highest annual pediatric incidences of IBD were 23/100000 person-years in Europe, 15.2/100000 in North America, and 11.4/100000 in Asia/the Middle East and Oceania. The highest annual incidences of Crohn's disease (CD) were 13.9/100000 in North America and 12.3/100000 in Europe. The highest annual incidences of ulcerative colitis (UC) were 15.0/100000 in Europe and 10.6/100000 in North America. The highest annual incidences of IBD-unclassified (IBD-U) were 3.6/100000 in Europe and 2.1/100000 in North America. In the time-trend analyses, 67% of CD, 46% of UC and 11% of IBD-U studies reported an increasing incidence (P < 0.05). The risk of IBD is increasing among first-generation of migrant populations. CONCLUSION Globally, the incidence of IBD varies greatly by geographical areas. The steadily increasing incidence of pediatric IBD over time indicates its emergence as a global disease, suggesting that studies should investigate the environmental risk factors among pediatric cohorts.
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Affiliation(s)
- Josef Sýkora
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Charles University in Prague, Faculty of Medicine in Pilsen, Faculty Hospital, Pilsen 304 60, Czech Republic
| | - Renáta Pomahačová
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Charles University in Prague, Faculty of Medicine in Pilsen, Faculty Hospital, Pilsen 304 60, Czech Republic
| | - Marcela Kreslová
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Charles University in Prague, Faculty of Medicine in Pilsen, Faculty Hospital, Pilsen 304 60, Czech Republic
| | - Dominika Cvalínová
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Charles University in Prague, Faculty of Medicine in Pilsen, Faculty Hospital, Pilsen 304 60, Czech Republic
| | - Přemysl Štych
- Department of Applied Geoinformatics and Cartography, Charles University in Prague, Faculty of Science, Prague 128 43, Czech Republic
| | - Jan Schwarz
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Charles University in Prague, Faculty of Medicine in Pilsen, Faculty Hospital, Pilsen 304 60, Czech Republic.
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Molecular profiling of mucosal tissue associated microbiota in patients manifesting acute exacerbations and remission stage of ulcerative colitis. World J Microbiol Biotechnol 2018; 34:76. [PMID: 29796862 DOI: 10.1007/s11274-018-2449-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 04/18/2018] [Indexed: 12/22/2022]
Abstract
Dysbiosis of intestinal microflora has been postulated in ulcerative colitis (UC), which is characterized by imbalance of mucosal tissue associated bacterial communities. However, the specific changes in mucosal microflora during different stages of UC are still unknown. The aim of the current study was to investigate the changes in mucosal tissue associated microbiota during acute exacerbations and remission stages of UC. The mucosal microbiota associated with colon biopsy of 12 patients suffering from UC (exacerbated stage) and the follow-up samples from the same patients (remission stage) as well as non-IBD subjects was studied using 16S rRNA gene-based sequencing and quantitative PCR. The total bacterial count in patients suffering from exacerbated phase of UC was observed to be two fold lower compared to that of the non-IBD subjects (p = 0.0049, Wilcox on matched-pairs signed rank tests). Bacterial genera including Stenotrophomonas, Parabacteroides, Elizabethkingia, Pseudomonas, Micrococcus, Ochrobactrum and Achromobacter were significantly higher in abundance during exacerbated phase of UC as compared to remission phase. The alterations in bacterial diversity with an increase in the abnormal microbial communities signify the extent of dysbiosis in mucosal microbiota in patients suffering from UC. Our study helps in identifying the specific genera dominating the microbiota during the disease and thus lays a basis for further investigation of the possible role of these bacteria in pathogenesis of UC.
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Jing Y, Liu H, Xu W, Yang Q. Amelioration of the DSS-induced colitis in mice by pretreatment with 4,4'-diaponeurosporene-producing Bacillus subtilis. Exp Ther Med 2017; 14:6069-6073. [PMID: 29285159 PMCID: PMC5740520 DOI: 10.3892/etm.2017.5282] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 10/10/2017] [Indexed: 02/07/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a chronically relapsing inflammatory disorder of the gastrointestinal tract. Current IBD treatments have poor tolerability and insufficient therapeutic efficacy, thus, alternative therapeutic approaches are required. Recently, a number of dietary supplements have emerged as promising interventions. In the present study oral administration of a carotenoid (4,4'-diaponeurosporene)-producing Bacillus subtilis markedly ameliorated dextran sulfate sodium salt-induced mouse colitis, as demonstrated by a reduction in weight loss and the severity of bleeding, which indicated that 4,4'-diaponeurosporene may have beneficial effects on treatments for colitis. This preliminary study indicated that 4,4'-diaponeurosporene may function synergistically with probiotics to provide a novel and effective strategy to prevent colitis.
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Affiliation(s)
- Yuchao Jing
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu 210095, P.R. China
| | - Haofei Liu
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu 210095, P.R. China
| | - Wenwen Xu
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu 210095, P.R. China
| | - Qian Yang
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu 210095, P.R. China
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Oyaert M, Boel A, Jacobs J, Van den Bremt S, De Sloovere M, Vanpoucke H, Van Hoovels L. Analytical performance and diagnostic accuracy of six different faecal calprotectin assays in inflammatory bowel disease. Clin Chem Lab Med 2017; 55:1564-1573. [PMID: 28222018 DOI: 10.1515/cclm-2016-1012] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 12/29/2016] [Indexed: 12/12/2022]
Abstract
BACKGROUND We evaluated the analytical performance of six different faecal calprotectin immunoassays together with their diagnostic accuracy in the discrimination between functional and organic bowel disorders. METHODS The faecal samples were obtained from inflammatory bowel disease patients (n=27) at the time of diagnosis [Crohn's disease (n=15), colitis ulcerosa (n=12)], gastroenterologic disease control patients (n=52) and rheumatologic disease control patients (n=26). All individuals included in the study underwent a concurrent ileocolonoscopy. Analytical performance (imprecision, accuracy, carry-over, correlation and agreement) and diagnostic accuracy (sensitivity, specificity, likelihood ratios) of the different assays were evaluated. RESULTS All methods demonstrated good analytical performance, but within-run and total imprecision varied depending on the assay methodology used. Using Passing Bablok and Bland-Altman analyses, low quantitative agreement was observed between the assays. All assays showed excellent diagnostic accuracy, with areas under the receiver operating characteristic curves (ROC) ranging from 0.974 to 0.998. The AUCs were not significantly different between assays (p>0.05). Diagnostic sensitivity at the cut-off at a fixed specificity of 75% ranged from 95.2% to 100%. Introduction of multiple result intervals increased the clinical interpretation of all the assays. CONCLUSIONS Analytical and diagnostic performance of the evaluated faecal calprotectin assays is good, but numerical values differ substantially between the assays necessitating the use of different clinical cut-offs. Introduction of multiple result intervals aids in clinical decision-making.
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TSPO PET Imaging: From Microglial Activation to Peripheral Sterile Inflammatory Diseases? CONTRAST MEDIA & MOLECULAR IMAGING 2017; 2017:6592139. [PMID: 29114179 PMCID: PMC5632884 DOI: 10.1155/2017/6592139] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 08/01/2017] [Accepted: 08/07/2017] [Indexed: 02/07/2023]
Abstract
Peripheral sterile inflammatory diseases (PSIDs) are a heterogeneous group of disorders that gathers several chronic insults involving the cardiovascular, respiratory, gastrointestinal, or musculoskeletal system and wherein inflammation is the cornerstone of the pathophysiology. In PSID, timely characterization and localization of inflammatory foci are crucial for an adequate care for patients. In brain diseases, in vivo positron emission tomography (PET) exploration of inflammation has matured over the last 20 years, through the development of radiopharmaceuticals targeting the translocator protein-18 kDa (TSPO) as molecular biomarkers of activated microglia. Recently, TSPO has been introduced as a possible molecular target for PSIDs PET imaging, making this protein a potential biomarker to address disease heterogeneity, to assist in patient stratification, and to contribute to predicting treatment response. In this review, we summarized the major research advances recently made in the field of TSPO PET imaging in PSIDs. Promising preliminary results have been reported in bowel, cardiovascular, and rheumatic inflammatory diseases, consolidated by preclinical studies. Limitations of TSPO PET imaging in PSIDs, regarding both its large expression in healthy peripheral tissues, unlike in central nervous system, and the production of peripheral radiolabeled metabolites, are also discussed, regarding their possible consequences on TSPO PET signal's quantification.
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Zamani S, Hesam Shariati S, Zali MR, Asadzadeh Aghdaei H, Sarabi Asiabar A, Bokaie S, Nomanpour B, Sechi LA, Feizabadi MM. Detection of enterotoxigenic Bacteroides fragilis in patients with ulcerative colitis. Gut Pathog 2017; 9:53. [PMID: 28924454 PMCID: PMC5599888 DOI: 10.1186/s13099-017-0202-0] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 09/03/2017] [Indexed: 12/13/2022] Open
Abstract
Purpose Ulcerative colitis (UC) as a type of inflammatory bowel disease (IBD), presumed to occur as a consequence of increased immune responses to intestinal microbiota in genetically susceptible individuals. Enterotoxigenic Bacteroides fragilis (ETBF) strains are important intestinal bacteria that can be involved in IBD. The aim of this study was to design a quantitative assay for detection of B. fragilis and ETBF and also to find their association with UC. Methods Ninety-five biopsies were collected from patients with UC (n = 35) and with no IBD (nIBD, n = 60). All the specimens were cultured in Bacteroides bile esculin agar medium. Specific primers and probes were designed for quantitative real-time PCR (QRT-PCR) based on 16S rRNA and bft genes sequences of ETBF. Results The bft genes were detected in 51.4% of UC samples and 1.6% of nIBD samples, respectively. In UC patients, 37.1% of samples with diarrhea and 11.4% of samples without diarrhea, harbored the bft gene. Mean value of the number of ETBF with bft gene in UC and nIBD samples were 4.46 ן 102 and 1.96, respectively. Likewise these result for 16S rRNA gene in UC and nIBD samples were 2.0 × 103 and 8.4 × 103, respectively. Conclusions There was no significant association between presence and numbers of 16S rRNA gene of B. fragilis and UC. ETBF was detected more in UC specimens and biopsies of UC patients with diarrhea than in the control group. These data demonstrated that ETBF is associated with development of UC and as a causative agent for the development of diarrhea in these patients.
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Affiliation(s)
- Samin Zamani
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Department of Microbiology, School of Medicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Sonia Hesam Shariati
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Zali
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamid Asadzadeh Aghdaei
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Akram Sarabi Asiabar
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Saied Bokaie
- Division of Epidemiology & Zoonoses, Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Bizhan Nomanpour
- Department of Microbiology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Leonardo Antonio Sechi
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43b, 07100 Sassari, Italy
| | - Mohammad Mehdi Feizabadi
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Thoracic Research Center, Imam Khomeini Hospital, Tehran, Iran
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Kalappurayil NB, Thomas J, Mankuni B, Thomas V. Assessment of Disease Severity and Role of Cytomegalo Virus Infection in Patients with Ulcerative Colitis. J Clin Diagn Res 2017; 11:EC07-EC11. [PMID: 28511386 DOI: 10.7860/jcdr/2017/22816.9332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2016] [Accepted: 10/20/2016] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Course of Ulcerative Colitis is characterized by intermittent flares interposed between variable periods of remission. Identification of exacerbating factors and appropriate assessment of disease activity are crucial in deciding the choice of treatment. AIM To evaluate various clinical, endoscopic and histological parameters in assessing disease activity and to find out various risk factors involved in the exacerbation of ulcerative colitis especially the role of Cytomegalo Virus (CMV) infection. MATERIALS AND METHODS It was a prospective study of patients diagnosed as ulcerative colitis presenting with acute exacerbation of symptoms (cases) and those who were in remission (controls). A detailed evaluation of the disease history including personal history, treatment compliance and clinical disease severity were noted. Investigations including blood routine, endoscopic examination with biopsy, histopathological examination and immunohistochemistry for CMV were done on the biopsy sample. RESULTS A total of 58 patients with ulcerative colitis were studied which included 37 cases and 21 controls. Out of the various clinical and demographic parameters, Good treatment compliance (p =0.0003) and Perceived Stress Scale (PSS) score (p=0.0001) showed significant difference between cases and controls. Basic laboratory parameters {Haemoglobin level, Total Leucocyte Count (TLC) and Erythrocyte Sedimentation Rate (ESR)}, clinical disease severity predictors (Truelove and Witt's criteria, Mayo score and endoscopic disease severity grade) and Geboes histological scoring showed significant difference between cases and controls. The prevalence of CMV colitis in our study was only 5.4% (two cases). CONCLUSION Clinical and endoscopic disease severity indicators can be used as predictors of histological activity in ulcerative colitis. Poor treatment compliance and stress are important risk factors for acute exacerbation of ulcerative colitis. Clinicians should be aware of the possibility of concurrent CMV infection while treating patients with acute exacerbation of ulcerative colitis not responding to the conventional management. Reduced prevalence of CMV colitis in cases of acute exacerbation of ulcerative colitis in our study may be due to the small sample size, reduced number of steroid dependent cases or reduced severity of our cases.
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Affiliation(s)
- Nobin Babu Kalappurayil
- Assistant Professor, Department of General Pathology, Christian Medical College, Vellore, Tamil Nadu, India
| | - Jino Thomas
- Consultant, Department of Gastroenterology, Caritas Hospital, Kottayam, Kerala, India
| | - Baburajan Mankuni
- Associate Professor, Department of Pathology, Government Medical College, Idukki, Kerala, India
| | - Varghese Thomas
- Professor, Department of Gastroenterology, Government Medical College, Kozhikode, Kerala, India
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Zamani S, Zali MR, Aghdaei HA, Sechi LA, Niegowska M, Caggiu E, Keshavarz R, Mosavari N, Feizabadi MM. Mycobacterium avium subsp. paratuberculosis and associated risk factors for inflammatory bowel disease in Iranian patients. Gut Pathog 2017; 9:1. [PMID: 28053669 PMCID: PMC5209900 DOI: 10.1186/s13099-016-0151-z] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Accepted: 12/14/2016] [Indexed: 12/11/2022] Open
Abstract
Background Inflammatory bowel disease (IBD) is described as a relapsing condition with high morbidity and uncertain complex pathogenesis. The association of Mycobacterium avium ssp. paratuberculosis (MAP) with Crohn’s disease (CD) in human has been debated for decades, however there is no confirmed data to verify such relations in Iran. The aim of this study was to investigate risk factors and a possible role of MAP in Iranian patients with CD. Methods Anti-MAP antibodies were detected in serum of IBD patients and subjects without IBD (nIBD) through ELISA; MAP DNA and viable MAP cells were identified in patients’ biopsies through nested PCR and direct culture methods, respectively. Principal component analysis (PCA) was used to investigate the risk factors in relation to IBD and MAP infection. Results Positivity for IS900 PCR was detected in 64% (n = 18) of CD, 33% (n = 10) of ulcerative colitis (UC) and 9.7% (n = 6) of nIBD samples. Live MAP cells were isolated from biopsies of 2 CD patients only. Among 28 patients with CD, 46% (n = 13) and 39% (n = 11) were positive for antibodies against MAP3865c133–141 and MAP3865c125–133 peptides, respectively, whereas much lower seroreactivity was detected in UC subjects accounting for 3% (n = 1) for MAP3865c133–141 and 16.7% (n = 5) for MAP3865c125–133. A high immune reactivity to MAP epitopes among CD patients was positively correlated with consumption of fast food meals and IBD familiarity. For both CD and UC, breastfeeding period and consumption of fruit/vegetables presented negative correlation with the presence of anti-MAP antibodies. Conclusions This study provided evidences that high prevalence of MAP DNA and anti-MAP antibodies in CD patients is significantly associated with the development of CD. Despite the role of several factors contributing to IBD, the presence of MAP DNA and anti-MAP antibodies in Iranian CD patients highlights a possible transmission of MAP from animal-derived products to humans.
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Affiliation(s)
- Samin Zamani
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Zali
- Gastroenterology and Liver Diseases Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran ; Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamid Asadzadeh Aghdaei
- Gastroenterology and Liver Diseases Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran ; Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Leonardo Antonio Sechi
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43b, 07100 Sassari, Italy
| | - Magdalena Niegowska
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43b, 07100 Sassari, Italy
| | - Elisa Caggiu
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43b, 07100 Sassari, Italy
| | - Rouhollah Keshavarz
- PPD Tuberculin Department, Razi Vaccine & Serum Research Institute, Karaj, Iran ; Reference Laboratory for Bovine Tuberculosis, Razi Vaccine and Serum Research Institute, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran
| | - Nader Mosavari
- PPD Tuberculin Department, Razi Vaccine & Serum Research Institute, Karaj, Iran ; Reference Laboratory for Bovine Tuberculosis, Razi Vaccine and Serum Research Institute, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran
| | - Mohammad Mehdi Feizabadi
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran ; Thoracic Diseases Research Center, Tehran University of Medical Sciences, Tehran, Iran
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Daniluk J, Daniluk U, Reszec J, Rusak M, Dabrowska M, Dabrowski A. Protective effect of cigarette smoke on the course of dextran sulfate sodium-induced colitis is accompanied by lymphocyte subpopulation changes in the blood and colon. Int J Colorectal Dis 2017; 32:1551-1559. [PMID: 28812128 PMCID: PMC5635083 DOI: 10.1007/s00384-017-2882-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/03/2017] [Indexed: 02/04/2023]
Abstract
BACKGROUND Cigarette smoke (CS) exerts protective effect against ulcerative colitis. The mechanism of this phenomenon remains unknown. One of the possible explanation by which CS exerts its anti-inflammatory action is modulation of immune system. Therefore, the aim of the study was to evaluate the effect of CS on the course of inflammation and subpopulations of lymphocytes in the blood and colon in mice with dextran sulfate sodium (DSS)-induced colitis. METHODS C57BL6/cmdb mice were exposed to CS for 4 weeks. Colitis was induced with 3.5% DSS given for 10 days. Severity of colitis was determined by disease activity index (DAI), body weight changes, and macro- and microscopic characteristics of inflammation. Peripheral subpopulations of lymphocytes were assessed by flow cytometry (blood) or immunohistochemistry (colonic tissue). RESULTS Mice treated with 3.5% DSS developed severe colitis with significantly decreased body weight, increased DAI, and macroscopic and histological features of colonic inflammation. These findings were diminished after concomitant exposure to CS. Mice exposed to DSS alone demonstrated significantly decreased percentage of total CD4+ cells (73.1 vs. 52%, p = 0.0007), accompanied by increase of CD8+ cells (18.4 vs. 39.5%, p = 0.0001). Concomitant CS exposure reversed inappropriate CD4+/CD8+ ratio both in the blood and colon and significantly increased B cell presence in the colon. CONCLUSIONS Our study has demonstrated that CS exposure decreases severity of DSS-induced colitis. This phenomenon was accompanied by changes in CD4/CD8 ratio and B cell level in the peripheral blood and colon. These mechanisms may be responsible for protective effect of smoking in ulcerative colitis.
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Affiliation(s)
- Jaroslaw Daniluk
- 0000000122482838grid.48324.39Department of Gastroenterology and Internal Medicine, Medical University of Bialystok, ul. M. Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland
| | - Urszula Daniluk
- 0000000122482838grid.48324.39Department of Pediatrics, Gastroenterology and Allergology, Medical University of Bialystok, ul. J. Waszyngtona 17, 15-274 Bialystok, Poland
| | - Joanna Reszec
- 0000000122482838grid.48324.39Department of Medical Pathomorphology, Medical University of Bialystok, ul. J. Waszyngtona 13, 15-269 Bialystok, Poland
| | - Malgorzata Rusak
- 0000000122482838grid.48324.39Department of Haematological Diagnostics, Medical University of Bialystok, ul. J. Waszyngtona 15A, 15-269 Bialystok, Poland
| | - Milena Dabrowska
- 0000000122482838grid.48324.39Department of Haematological Diagnostics, Medical University of Bialystok, ul. J. Waszyngtona 15A, 15-269 Bialystok, Poland
| | - Andrzej Dabrowski
- 0000000122482838grid.48324.39Department of Gastroenterology and Internal Medicine, Medical University of Bialystok, ul. M. Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland
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Zimmermann J, Kühl AA, Weber M, Grün JR, Löffler J, Haftmann C, Riedel R, Maschmeyer P, Lehmann K, Westendorf K, Mashreghi MF, Löhning M, Mack M, Radbruch A, Chang HD. T-bet expression by Th cells promotes type 1 inflammation but is dispensable for colitis. Mucosal Immunol 2016; 9:1487-1499. [PMID: 26883725 DOI: 10.1038/mi.2016.5] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Accepted: 01/03/2016] [Indexed: 02/04/2023]
Abstract
The transcription factor T-bet is highly expressed by Th cells isolated from the inflamed intestine of Crohn's disease patients, and has been regarded a critical driver of murine T cell-induced colitis. However, we show here that T-bet expression by Th cells is not required for the manifestation of T-cell-induced colitis in the presence of segmented filamentous bacteria and Helicobacter hepaticus. T-bet expression by Th cells controls their survival and localization, their repertoire of chemokine and chemokine receptor expression, the accumulation of monocytes and macrophages in the inflamed colon, and their differentiation to the M1 type, i.e., type 1 inflammation. Nevertheless, T-bet-deficient Th cells efficiently induce colitis, as reflected by weight loss, diarrhea, and colon histopathology. T-bet-deficient Th cells differentiate into Th1/17 cells, able to express IFN-γ and IL-17A upon restimulation. While neutralization of IL-17A exacerbated colitis induced by wild-type or T-bet-deficient Th cells, neutralization of IFN-γ completely abolished colitis.
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Affiliation(s)
- J Zimmermann
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - A A Kühl
- Charité Universitätsmedizin, Campus Benjamin Franklin, Berlin, Germany
| | - M Weber
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - J R Grün
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - J Löffler
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - C Haftmann
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - R Riedel
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - P Maschmeyer
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - K Lehmann
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - K Westendorf
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - M-F Mashreghi
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - M Löhning
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - M Mack
- Universitätsklinikum Regensburg, Regensburg, Germany
| | - A Radbruch
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - H D Chang
- Deutsches Rheumaforschungszentrum Berlin (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
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Basirat V, Azizi Z, Javid Anbardan S, Taghizadeh Asl M, Farbod Y, Teimouri A, Ebrahimi Daryani N. Accuracy of 99mTc (V)-Dimercaptosuccinic Acid Scintigraphy and Fecal Calprotectin Compared with Colonoscopy in Localizing Active Lesions in Inflammatory Bowel Disease. Middle East J Dig Dis 2016; 8:212-218. [PMID: 27698971 PMCID: PMC5045674 DOI: 10.15171/mejdd.2016.23] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
INTRODUCTION
Due to limitation of colonoscopy in assessing the entire bowel and patients’ intolerance in inflammatory bowel disease (IBD), in the current study, we aimed to prospectively compare the accuracy of 99mTc(V)-dimercaptosuccinic acid (DMSA) and fecal calprotectin with ileocolonoscopy as new methods for localizing inflammations.
METHODS
Current prospective study conducted between 2012 and 2014 on 30 patients with IBD attending Gastroenterology Clinic of Tehran University of Medical Sciences. Fecal calprotectin and disease activity were measured for all participants and all of them underwent 99mTc (V)-DMSA scintigraphy and colonoscopy. The accuracy of 99mTc (V)-DMSA scintigraphy and calprotectin in localizing bowel lesions were calculated.
RESULTS
A total of 22 patients with ulcerative colitis (UC) and 8 patients with Crohn’s disease (CD) were evaluated in our study. Sensitivity, positive likelihood ratio (PLR), and positive predictive value (PPV) of scintigraphy and calprotectin over colonoscopy in localization of UC lesions were 86.36%, 0.86%, 100.00% and 90.91%, 0.91, and 100.00%, respectively. Meanwhile, it showed 66.67% sensitivity and 81.25% specificity with PLR=3.56, negative likelihood ratio (NLR)=0.41, PPV=84.21%, and negative predictive value (NPV)= 61.90% in localizing lesions in patients with CD. The calprotectin level had sensitivity, PLR, and PPV of 90.00%, 0.90, and 100.00% in detecting active disease over colonoscopy, respectively.
CONCLUSION
The 99mTc (V)-DMSA scintigraphy would be an accurate method for detecting active inflammation in follow-up of patients with IBD and assessing response to treatment as a non-invasive and complementary method beside colonoscopy for more accurate diagnosis of CD or UC.
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Affiliation(s)
- Vahid Basirat
- Internal Medicine Resident, Tehran University of Medical Science, Tehran, Iran
| | - Zahra Azizi
- Researcher, Iran University of Medical Sciences, Tehran, Iran
| | | | - Mina Taghizadeh Asl
- Nuclear Medicine Physician, Head of Nuclear Medicine Department, Kasra General Hospital, Tehran, Iran
| | | | - Azam Teimouri
- Fellow of Gastroenterology, Tehran University of medical Sciences, Tehran, Iran
| | - Nasser Ebrahimi Daryani
- Professor, Department of Internal Medicine, Division of Gastroenterology, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
- Corresponding Author: Nasser Ebrahimi Daryani, MD Floor 2, no.130, Shahid Naseri Street, Valiasr Ave., Tehran, Iran Telefax : + 98 21 88793896
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Ikhtaire S, Shajib MS, Reinisch W, Khan WI. Fecal calprotectin: its scope and utility in the management of inflammatory bowel disease. J Gastroenterol 2016; 51:434-46. [PMID: 26897740 DOI: 10.1007/s00535-016-1182-4] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Accepted: 02/04/2016] [Indexed: 02/07/2023]
Abstract
Gastrointestinal symptoms such as abdominal pain, dyspepsia, and diarrhea are relatively nonspecific and a common cause for seeking medical attention. To date, it is challenging for physicians to differentiate between functional and organic gastrointestinal conditions and it involves the use of serological and endoscopic techniques. Therefore, a simple, noninvasive, inexpensive, and effective test would be of utmost importance in clinical practice. Fecal calprotectin (FC) is considered to be a reliable biomarker that fulfills these criteria. FC can detect intestinal inflammation, and its level correlates well with macroscopic and histological inflammation as detected by colonoscopy and biopsies, respectively. FC has a decent diagnostic accuracy for differentiating organic diseases and functional disorders because of its excellent negative predictive value in ruling out inflammatory bowel disease (IBD) in symptomatic undiagnosed patients. There is accumulating evidence that FC has been effectively used to monitor the natural course of IBD, to predict relapse, and to see the response to treatment. This novel biomarker has the ability to assess mucosal healing (MH), which is a therapeutic goal in IBD management. A literature search was carried out using PubMed with the keywords FC, IBD, intestinal inflammation, and MH. In our review, we provide an overview of the utility and scope of FC as a biomarker in patients with IBD as well as undiagnosed patients with lower gastrointestinal symptoms.
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Affiliation(s)
- Shapur Ikhtaire
- Department of Pathology and Molecular Medicine, McMaster University, Room 3N7, HSC, 1280 Main Street West, Hamilton, ON, L8S 1R7, Canada
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, ON, Canada
| | - Mohammad Sharif Shajib
- Department of Pathology and Molecular Medicine, McMaster University, Room 3N7, HSC, 1280 Main Street West, Hamilton, ON, L8S 1R7, Canada
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, ON, Canada
| | - Walter Reinisch
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, ON, Canada
- Division of Gastroenterology, Department of Medicine, McMaster University, Hamilton, ON, Canada
| | - Waliul Islam Khan
- Department of Pathology and Molecular Medicine, McMaster University, Room 3N7, HSC, 1280 Main Street West, Hamilton, ON, L8S 1R7, Canada.
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, ON, Canada.
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Niu J, Miao J, Tang Y, Nan Q, Liu Y, Yang G, Dong X, Huang Q, Xia S, Wang K, Miao Y. Identification of Environmental Factors Associated with Inflammatory Bowel Disease in a Southwestern Highland Region of China: A Nested Case-Control Study. PLoS One 2016; 11:e0153524. [PMID: 27070313 PMCID: PMC4829194 DOI: 10.1371/journal.pone.0153524] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 03/30/2016] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The aim of this study was to examine environmental factors associated with inflammatory bowel disease (IBD) in Yunnan Province, a southwestern highland region of China. METHODS In this nested case-control study, newly diagnosed ulcerative colitis (UC) cases in 2 cities in Yunnan Province and Crohn's disease (CD) cases in 16 cities in Yunnan Province were recruited between 2008 and 2013. Controls were matched by geography, sex and age at a ratio of 1:4. Data were collected using the designed questionnaire. Conditional logistic regression models were used to estimate adjusted odds ratios (ORs). RESULTS A total of 678 UC and 102 CD cases were recruited. For UC, various factors were associated with an increased risk of developing UC: dietary habits, including frequent irregular meal times; consumption of fried foods, salty foods and frozen dinners; childhood factors, including intestinal infectious diseases and frequent use of antibiotics; and other factors, such as mental labor, high work stress, use of non-aspirin non-steroidal anti-inflammatory drugs and allergies (OR > 1, p < 0.05). Other factors showed a protective effect: such as consumption of fruits, current smoking, physical activity, and drinking tea (OR < 1, p < 0.05). For CD, appendectomy and irregular meal times increased the disease risk (OR >1, p < 0.05), whereas physical activity may have reduced this risk (OR < 1, p < 0.05). CONCLUSIONS This study is the first nested case-control study to analyze the association between environmental factors and IBD onset in a southwestern highland region of China. Certain dietary habits, lifestyles, allergies and childhood factors may play important roles in IBD, particularly UC.
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Affiliation(s)
- Junkun Niu
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Yunnan Institute of Digestive Disease, Kunming, Yunnan Province, P. R. China
| | - Jiarong Miao
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Yunnan Institute of Digestive Disease, Kunming, Yunnan Province, P. R. China
| | - Yuan Tang
- Department of Gastroenterology, The First People's Hospital of Qujing, Qujing, Yunnan Province, P. R. China
| | - Qiong Nan
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Yunnan Institute of Digestive Disease, Kunming, Yunnan Province, P. R. China
| | - Yan Liu
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Yunnan Institute of Digestive Disease, Kunming, Yunnan Province, P. R. China
| | - Gang Yang
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Yunnan Institute of Digestive Disease, Kunming, Yunnan Province, P. R. China
| | - Xiangqian Dong
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Yunnan Institute of Digestive Disease, Kunming, Yunnan Province, P. R. China
| | - Qi Huang
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Yunnan Institute of Digestive Disease, Kunming, Yunnan Province, P. R. China
| | - Shuxian Xia
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Yunnan Institute of Digestive Disease, Kunming, Yunnan Province, P. R. China
| | - Kunhua Wang
- Department of General Surgery, The First Affiliated Hospital of Kunming Medical University, Yunnan Institute of Digestive Disease, Kunming, Yunnan Province, P. R. China
| | - Yinglei Miao
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Yunnan Institute of Digestive Disease, Kunming, Yunnan Province, P. R. China
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García-Vicuña R, Zarco P, González CM, Vanaclocha F, Marín-Jiménez I, Cea-Calvo L. Incidencia a los 2 años de psoriasis, uveítis y enfermedad inflamatoria intestinal en la cohorte de pacientes con espondiloartritis del estudio AQUILES. ACTA ACUST UNITED AC 2016; 12:22-6. [DOI: 10.1016/j.reuma.2015.01.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Revised: 01/07/2015] [Accepted: 01/11/2015] [Indexed: 12/17/2022]
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The Demographic and Clinical Characteristics of Ulcerative Colitis in a Northeast Brazilian Population. BIOMED RESEARCH INTERNATIONAL 2015; 2015:359130. [PMID: 26509150 PMCID: PMC4609765 DOI: 10.1155/2015/359130] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Revised: 08/09/2015] [Accepted: 09/09/2015] [Indexed: 12/13/2022]
Abstract
INTRODUCTION The purpose of this study was to describe the clinical and demographic characteristics of UC in Bahia, a Brazilian state, and to identify the variables associated with extensive colitis, steroid therapy, immunosuppression, and colectomy. METHODS In this cross-sectional study UC patients were interviewed, and additional information was collected from the medical records. Descriptive statistics and multivariate Poisson regression analysis were used. RESULTS This study included 267 individuals, the mean age of whom was 39.4 years at diagnosis. There was a predominance of females and left-side colitis. Extensive colitis was positively associated with male gender, diarrhea, weight loss, and a younger age at diagnosis. In contrast, active smoking and a family history of IBD were negatively associated with extensive colitis. Positive associations were observed between steroid therapy and diarrhea, weight loss, urban patients, extraintestinal manifestations (EIMs), and hospitalization. Younger age and weight loss at diagnosis, a family history of IBD, extensive colitis, EIMs, hospitalization, and steroid therapy were all positively associated with immunosuppression. In contrast, Caucasian individuals, smokers, patients with rectal bleeding, and rural patients areas were all observed to have a decreased likelihood of immunosuppression. CONCLUSIONS Our results corroborate the association between higher prevalence of extensive colitis and younger age at diagnosis. An association between steroid therapy and clinical presentation at diagnosis was observed. The observation that white individuals and rural patients use less immunosuppressive drugs highlights the need to study the influence of environmental and genetic factors on the behavior of UC in this population.
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Bernards N, Pottier G, Thézé B, Dollé F, Boisgard R. In vivo evaluation of inflammatory bowel disease with the aid of μPET and the translocator protein 18 kDa radioligand [18F]DPA-714. Mol Imaging Biol 2015; 17:67-75. [PMID: 25015387 PMCID: PMC4544644 DOI: 10.1007/s11307-014-0765-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Purpose The purpose of the study was to validate [18F]DPA-714, a translocator protein (TSPO) 18 kDa radioligand, as a probe to non-invasively quantify the inflammatory state in inflammatory bowel disease (IBD) animal models. Procedures Quantitative positron emission tomography (PET) imaging of intestinal inflammation was conducted with 2-deoxy-2-[18F]fluoro-D-glucose ([18F]FDG) a glucose metabolism surrogate marker and [18F]DPA-714 a ligand of the 18 kDa TSPO, on two IBD models. The first model was induced using dextran sodium sulfate (DSS), creating global inflammation in the colon. The second model was induced by rectally administering trinitrobenzenesulfonic acid (TNBS), creating local and acute inflammation. Results The level of inflammation was analyzed using PET imaging on days 7 and 8. The analysis obtained with [18F]DPA-714, yielded a significant difference between the DSS treated (0.50 ± 0.17%ID/cc) and non-treated rats (0.35 ± 0.15%ID/cc). [18F]FDG on the other hand did not yield a significant difference. We did observe a mean glucose consumption in the colon increase from 0.40 ± 0.11 %ID/cc to 0.54 ± 0.17 %ID/cc. In the TNBS model, the uptake level of [18 F]DPA-714 increased significantly from 0.46 ± 0.23%ID/cc for the non-treated group, to 1.30 ± 0.62%ID/cc for those treated. PET signal was correlated with increased TSPO expression at cellular level. Conclusions Results indicate that [18F]DPA-714 is suitable for studying inflammation in IBD models. [18F]DPA-714 could be a good molecular probe to non-invasively evaluate the level and localization of inflammation. Moreover, in vivo imaging using this TSPO ligand is potentially a powerful tool to stage and certainly to follow the evolution and therapeutic efficiency at molecular level within this disease family.
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Oral Manifestations of Crohn's Disease: A Case Report and Review of the Literature. Case Rep Dent 2015; 2015:830472. [PMID: 26240765 PMCID: PMC4512596 DOI: 10.1155/2015/830472] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 06/16/2015] [Accepted: 06/24/2015] [Indexed: 12/16/2022] Open
Abstract
Crohn's disease (CD) is an inflammatory disorder of the gastrointestinal tract that is likely caused by an inappropriate mucosal inflammatory response to intestinal bacteria in a genetically predisposed host. The lesions of CD can involve any region of the GI tract as well as extraintestinal sites such as the skin, joints, and eyes. The most common presenting symptoms are abdominal pain and prolonged diarrhea associated with fevers, fatigue, and malaise. Delayed growth and failure to thrive may also be observed in pediatric patients. Oral manifestations of CD are known as oral CD and may precede GI involvement, thus serving as early markers of this condition. We describe a 6-year-old male who presented with oral lesions as his initial manifestation of disease and review the current literature pertaining to oral CD.
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Kwapisz L, Mosli M, Chande N, Yan B, Beaton M, Micsko J, Mennill PW, Barnett W, Bax K, Ponich T, Howard J, Tirolese A, Lannigan R, Gregor J. Rapid fecal calprotectin testing to assess for endoscopic disease activity in inflammatory bowel disease: A diagnostic cohort study. Saudi J Gastroenterol 2015; 21:360-6. [PMID: 26655130 PMCID: PMC4707803 DOI: 10.4103/1319-3767.170948] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND AND AIM With increasing numbers of patients diagnosed with inflammatory bowel disease (IBD), it is important to identify noninvasive methods of detecting disease activity. The aim of this study is to examine the diagnostic accuracy of fecal rapid calprotectin (FC) testing in the detection of endoscopically active IBD. PATIENTS AND METHODS All consecutive patients presenting to outpatient clinics with lower gastrointestinal symptoms were prospectively recruited. Patients provided FC samples. Sensitivity (Sn), specificity (Sp), positive predictive value (PPV), and negative predictive value (NPV) for FC were calculated. Receiver-operator characteristics (ROC) curve was used to identify the ideal FC cutoff that predicts endoscopic disease activity. Correlation between FC and endoscopic disease activity, disease location, and C-reactive protein (CRP) levels were measured. RESULTS One hundred and twenty-six patients, of whom 52% were females, were included in the final analysis with a mean age of 44.4 ± 16.7 years. Comparing FC to endoscopic findings, the following results were calculated: A cutoff point of 100 μg/g showed Sn = 83%, Sp = 67%, PPV = 65%, and NPV = 85%; and 200 μg/g showed Sn = 66%, Sp = 82%, PPV = 73%, and NPV = 77%. Based on ROC curve, the best FC cutoff point to predict endoscopic disease activity was 140 μg/g. Using this reference, FC levels strongly correlated with colorectal, ileocolonic, and ileal disease and predicted endoscopic activity. CONCLUSIONS FC is an accurate test when used as an initial screening tool for patients suspected of having active IBD. Given its noninvasive nature, it may prove to reduce the need for colonoscopy and be an added tool in the management of IBD.
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Affiliation(s)
- Lukasz Kwapisz
- Department of Medicine, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
| | - Mahmoud Mosli
- Department of Medicine, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada,Department of Medicine, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia,Address for correspondence: Dr. Mahmoud Mosli, Department of Medicine, King Abdulaziz University Hospital, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia. E-mail:
| | - Nilesh Chande
- Department of Medicine, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
| | - Brian Yan
- Department of Medicine, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
| | - Melanie Beaton
- Department of Medicine, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
| | - Jessica Micsko
- Department of Medicine, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
| | - Pauline W. Mennill
- Department of Medicine, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
| | - William Barnett
- Department of Medicine, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
| | - Kevin Bax
- Department of Pediatrics, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
| | - Terry Ponich
- Department of Medicine, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
| | - John Howard
- Department of Medicine, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada,Department of Pediatrics, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
| | - Anthony Tirolese
- Department of Microbiology, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
| | - Robert Lannigan
- Department of Microbiology, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
| | - James Gregor
- Department of Medicine, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
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Demir FT, Kocatürk E, Yorulmaz E, Adali G, Kavala M. Mucocutaneous Manifestations of Inflammatory Bowel Disease in Turkey. J Cutan Med Surg 2014; 18:397-404. [DOI: 10.2310/7750.2014.13209] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background: Mucocutaneous manifestations of inflammatory bowel diseases are relatively common; the mean incidence is around 10% at the time of diagnosis. However, during follow-up, an increased variety of skin lesions, granulomatous cutaneous disease, reactive skin eruptions, nutritional defiencies, and other associated conditions may develop. Objective: The objective of this study was to evaluate the prevalence of the mucocutaneous manifestations and their association with gender, duration of disease, arthritis, location of the bowel disease, and disease activity. Methods: Fifty-six patients with ulcerative colitis (UC) and 36 patients with Crohn disease (CD) who were in follow-up in the Istanbul Medeniyet University Göztepe Training and Research Hospital Department of Gastroenterology were included in the study. Whole-body dermatologic examinations were performed for all patients, and patient files were evaluated for mucocutaneous manifestations. Results: Of the 92 patients, 49 (53.26%) presented with at least one mucocutaneous manifestation (58.9% of patients with UC and 44.4% of patients with CD). Of these, 38 (41.3%) had at least one reactive skin eruption. Aphthous stomatitis was noted in 33 patients (35.86%) and became the most common mucocutaneous manifestation. Granulomatous cutaneous diseases were detected in 18 patients (19.57%), and none of the patients had a nutritional deficiency–associated skin condition. Only 3 patients (3.26%) had erythema nodosum and 2 patients (2.17%) had pyoderma gangrenosum. Conclusions: We found that mucocutaneous manifestations of inflammatory bowel diseases are more common than thought and are more common in UC than in CD. No association was detected between mucocutaneous manifestions and gender, duration of disease, arthritis, location of the bowel disease, and activity of the disease.
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Affiliation(s)
- Filiz Topaloǧlu Demir
- From the Istanbul Medeniyet University School of Medicine, Departments of Dermatology and Gastroenterology, Göztepe Training and Research Hospital; Department of Dermatology, Okmeydani Training and Research Hospital; and Department of Gastroenterology, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Emek Kocatürk
- From the Istanbul Medeniyet University School of Medicine, Departments of Dermatology and Gastroenterology, Göztepe Training and Research Hospital; Department of Dermatology, Okmeydani Training and Research Hospital; and Department of Gastroenterology, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Elif Yorulmaz
- From the Istanbul Medeniyet University School of Medicine, Departments of Dermatology and Gastroenterology, Göztepe Training and Research Hospital; Department of Dermatology, Okmeydani Training and Research Hospital; and Department of Gastroenterology, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Gupse Adali
- From the Istanbul Medeniyet University School of Medicine, Departments of Dermatology and Gastroenterology, Göztepe Training and Research Hospital; Department of Dermatology, Okmeydani Training and Research Hospital; and Department of Gastroenterology, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Mukaddes Kavala
- From the Istanbul Medeniyet University School of Medicine, Departments of Dermatology and Gastroenterology, Göztepe Training and Research Hospital; Department of Dermatology, Okmeydani Training and Research Hospital; and Department of Gastroenterology, Bagcilar Training and Research Hospital, Istanbul, Turkey
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Oyaert M, Trouvé C, Baert F, De Smet D, Langlois M, Vanpoucke H. Comparison of two immunoassays for measurement of faecal calprotectin in detection of inflammatory bowel disease: (pre)-analytical and diagnostic performance characteristics. Clin Chem Lab Med 2014; 52:391-7. [PMID: 24114912 DOI: 10.1515/cclm-2013-0699] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Accepted: 09/13/2013] [Indexed: 01/26/2023]
Abstract
BACKGROUND Symptoms of inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS) can overlap. Faecal calprotectin has recently been established to be a non-invasive marker for neutrophilic intestinal inflammation. We compared two devices for extraction of faecal calprotectin. Based on these results, two immunoassays for measurement of faecal calprotectin were evaluated. METHODS Samples were extracted using the Thermo Fisher extraction device (Thermo Fisher Scientific) and Smart Pep extraction device (Roche Diagnostics) and measured with the EliA Calprotectin immunoassay (Thermo Fisher Scientific) on ImmunoCAP 250. The performance of both assays was investigated by enrolling 183 consecutive patients (79 males, 104 females; median age 32 years) with clinical suspicion of IBD. Faecal calprotectin was measured using a recently launched immunoassay, EliA Calprotectin in comparison with an established immunochomatographic point-of-care-test (POCT, Quantum Blue Calprotectin; Bühlmann). Results were compared with endoscopic and histological findings. RESULTS The use of the Thermo Fisher extraction device resulted in an underestimation of faecal calprotectin concentrations, especially in liquid stool samples. IBD was diagnosed in 51/183 patients (27.9%) [Crohn's disease (CD, n=37), ulcerative colitis (UC, n=14)]. After adjusting the optimal cut-off for detection of IBD using receiver operating curve analysis, a sensitivity of 94.1% and 90.2% and specificity of 87.9% and 90.9% for the EliA and POCT assay, respectively, were obtained. CONCLUSIONS The Thermo Fisher device is not reliable for extraction of faecal calprotectin. The performance characteristics of the EliA Calprotectin assay are statistically equivalent to the Bühlmann POCT.
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Lemoine R, Pachlopnik-Schmid J, Farin HF, Bigorgne A, Debré M, Sepulveda F, Héritier S, Lemale J, Talbotec C, Rieux-Laucat F, Ruemmele F, Morali A, Cathebras P, Nitschke P, Bole-Feysot C, Blanche S, Brousse N, Picard C, Clevers H, Fischer A, de Saint Basile G. Immune deficiency-related enteropathy-lymphocytopenia-alopecia syndrome results from tetratricopeptide repeat domain 7A deficiency. J Allergy Clin Immunol 2014; 134:1354-1364.e6. [PMID: 25174867 DOI: 10.1016/j.jaci.2014.07.019] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 06/04/2014] [Accepted: 07/12/2014] [Indexed: 12/17/2022]
Abstract
BACKGROUND Inflammatory bowel disease (IBD) is one of the most common chronic gastrointestinal diseases, but the underlying molecular mechanisms remain largely unknown. Studies of monogenic diseases can provide insight into the pathogenesis of IBD. OBJECTIVE We thought to determine the underlying molecular causes of IBD occurring in 2 unrelated families in association with an immune deficiency. METHODS We performed genetic linkage analysis and candidate gene sequencing on 13 patients from a large consanguineous family affected by early-onset IBD, progressive immune deficiency, and, in some cases, autoimmunity and alopecia, a condition we named enteropathy-lymphocytopenia-alopecia. The candidate gene was also sequenced in an unrelated patient with a similar phenotype. We performed histologic analysis of patients' intestinal biopsy specimens and carried out functional assays on PBMCs. Gut organoids derived from a patient's biopsy specimen were analyzed. RESULTS We identified biallelic missense mutations in tetratricopeptide repeat domain 7A (TTC7A) in all patients from both families. The resulting TTC7A depletion modified the proliferation, adhesion, and migratory capacities of lymphocytes through inappropriate activation of the RhoA signaling pathway. Normal function was restored by wild-type TTC7A expression or addition of a RhoA kinase inhibitor. The growth and polarity of gut epithelial organoids were also found to be dependent on the RhoA signaling pathway. CONCLUSIONS We show that TTC7A regulates the actin cytoskeleton dynamics in lymphocytes through the RhoA signaling pathway and is required in both lymphocytes and epithelial cells for maintaining equilibrium between cell proliferation, migration, polarization, and cell death. Our study highlights variability in the phenotypic expression resulting from TTC7A deficiency and outlines that impairment of both epithelial cells and lymphocytes cooperatively causes IBD.
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Affiliation(s)
- Roxane Lemoine
- INSERM, Unité U1163, Laboratoire Homéostasie normale et pathologique du système immunitaire, Hôpital Necker Enfants-Malades, Paris, France; Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Paris, France; Unité d'Immunologie et Hématologie Pédiatrique, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Paris, France
| | - Jana Pachlopnik-Schmid
- INSERM, Unité U1163, Laboratoire Homéostasie normale et pathologique du système immunitaire, Hôpital Necker Enfants-Malades, Paris, France; Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Paris, France; Unité d'Immunologie et Hématologie Pédiatrique, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Paris, France
| | - Henner F Farin
- Hubrecht Institute for Developmental Biology and Stem Cell Research and University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Amélie Bigorgne
- INSERM, Unité U1163, Laboratoire Homéostasie normale et pathologique du système immunitaire, Hôpital Necker Enfants-Malades, Paris, France; Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Paris, France; Unité d'Immunologie et Hématologie Pédiatrique, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Paris, France
| | - Marianne Debré
- Unité d'Immunologie et Hématologie Pédiatrique, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Paris, France
| | - Fernando Sepulveda
- INSERM, Unité U1163, Laboratoire Homéostasie normale et pathologique du système immunitaire, Hôpital Necker Enfants-Malades, Paris, France; Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Paris, France; Unité d'Immunologie et Hématologie Pédiatrique, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Paris, France
| | - Sébastien Héritier
- Unité d'Immunologie et Hématologie Pédiatrique, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Paris, France
| | - Julie Lemale
- Unité de Nutrition et Gastroentérologie Pédiatriques, Hôpital Trousseau, Paris, France
| | - Cécile Talbotec
- Service de gastroentérologie, hépatologie et nutrition pédiatriques, Hôpital Necker-Enfants Malades, Paris, France
| | - Frédéric Rieux-Laucat
- INSERM, Unité U1163, Laboratoire Homéostasie normale et pathologique du système immunitaire, Hôpital Necker Enfants-Malades, Paris, France; Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Paris, France; Unité d'Immunologie et Hématologie Pédiatrique, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Paris, France
| | - Frank Ruemmele
- Service de gastroentérologie, hépatologie et nutrition pédiatriques, Hôpital Necker-Enfants Malades, Paris, France
| | - Alain Morali
- Unité d'Hépato-Gastro-Entérologie et Nutrition Pédiatriques, Hôpital d'Enfants, CHU Nancy Brabois-F 54500 Vandoeuvre les Nancy et Unité INSERM U954, Paris, France
| | - Pascal Cathebras
- Service de Médecine Interne, CHU de Saint Etienne, Saint Etienne, France
| | - Patrick Nitschke
- Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Paris, France
| | | | - Stéphane Blanche
- INSERM, Unité U1163, Laboratoire Homéostasie normale et pathologique du système immunitaire, Hôpital Necker Enfants-Malades, Paris, France; Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Paris, France
| | - Nicole Brousse
- Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Paris, France; Laboratoire d'Anatomie Pathologique, Assistance Publique-Hôpitaux de Paris, Hôpital Necker, Paris, France
| | - Capucine Picard
- Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Paris, France; Unité d'Immunologie et Hématologie Pédiatrique, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Paris, France; Centre d'Etudes des Déficits Immunitaires, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Hans Clevers
- Hubrecht Institute for Developmental Biology and Stem Cell Research and University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Alain Fischer
- INSERM, Unité U1163, Laboratoire Homéostasie normale et pathologique du système immunitaire, Hôpital Necker Enfants-Malades, Paris, France; Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Paris, France; Unité d'Immunologie et Hématologie Pédiatrique, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Paris, France; College de France, Paris, France
| | - Geneviève de Saint Basile
- INSERM, Unité U1163, Laboratoire Homéostasie normale et pathologique du système immunitaire, Hôpital Necker Enfants-Malades, Paris, France; Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Paris, France; Unité d'Immunologie et Hématologie Pédiatrique, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Paris, France; Centre d'Etudes des Déficits Immunitaires, Assistance Publique-Hôpitaux de Paris, Paris, France.
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Consulta telemática realizada por Enfermería en pacientes con enfermedad inflamatoria intestinal: valoración de su capacidad resolutiva y costes. ENFERMERIA CLINICA 2014; 24:102-10. [DOI: 10.1016/j.enfcli.2013.12.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2012] [Revised: 12/05/2013] [Accepted: 12/09/2013] [Indexed: 12/16/2022]
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Lee Y, Song B, Ju J. Anti-inflammatory Activity of Perilla frutescens Britton Seed in RAW 264.7 Macrophages and an Ulcerative Colitis Mouse Model. ACTA ACUST UNITED AC 2014. [DOI: 10.9721/kjfst.2014.46.1.61] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Mir SA, Nagy-Szakal D, Dowd SE, Szigeti RG, Smith CW, Kellermayer R. Prenatal methyl-donor supplementation augments colitis in young adult mice. PLoS One 2013; 8:e73162. [PMID: 23977377 PMCID: PMC3747105 DOI: 10.1371/journal.pone.0073162] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2013] [Accepted: 07/17/2013] [Indexed: 12/17/2022] Open
Abstract
Inflammatory bowel diseases (IBD) have become highly prevalent in developed countries. Environmentally triggered exaggerated immune responses against the intestinal microbiome are thought to mediate the disorders. The potential dietary origins of the disease group have been implicated. However, the effects of environmental influences on prenatal developmental programming in respect to orchestrating postnatal microbiome composition and predilection towards mammalian colitis have not been examined. We tested how transient prenatal exposure to methyl donor micronutrient (MD) supplemented diets may impact predilection towards IBD in a murine dextran sulfate sodium (DSS) colitis model. Prenatal MD supplementation was sufficient to modulate colonic mucosal Ppara expression (3.2 fold increase; p=0.022) and worsen DSS colitis in young adulthood. The prenatal dietary exposure shifted the postnatal colonic mucosal and cecal content microbiomes. Transfer of the gut microbiome from prenatally MD supplemented young adult animals into germ free mice resulted in increased colitis susceptibility in the recipients compared to controls. Therefore, the prenatal dietary intervention induced the postnatal nurturing of a colitogenic microbiome. Our results show that prenatal nutritional programming can modulate the mammalian host to harbor a colitogenic microbiome. These findings may be relevant for the nutritional developmental origins of IBD.
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Affiliation(s)
- Sabina A. Mir
- Section of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Baylor College of Medicine, Texas Children’s Hospital, Department of Agriculture/ARS Children’s Nutrition Research Center, Houston, Texas, United States of America
| | - Dorottya Nagy-Szakal
- Section of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Baylor College of Medicine, Texas Children’s Hospital, Department of Agriculture/ARS Children’s Nutrition Research Center, Houston, Texas, United States of America
| | - Scot E. Dowd
- MR DNA (Molecular Research), Shallowater, Texas, United States of America
| | - Reka G. Szigeti
- Department of Pathology, Baylor College of Medicine, Houston, Texas, United States of America
| | - C. Wayne Smith
- Section of Infectious Disease, Department of Pediatrics, Baylor College of Medicine, Department of Agriculture/ARS Children’s Nutrition Research Center, Houston, Texas, United States of America
| | - Richard Kellermayer
- Section of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Baylor College of Medicine, Texas Children’s Hospital, Department of Agriculture/ARS Children’s Nutrition Research Center, Houston, Texas, United States of America
- * E-mail:
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Nagalingam NA, Robinson CJ, Bergin IL, Eaton KA, Huffnagle GB, Young VB. The effects of intestinal microbial community structure on disease manifestation in IL-10-/- mice infected with Helicobacter hepaticus. MICROBIOME 2013; 1:15. [PMID: 24450737 PMCID: PMC3971628 DOI: 10.1186/2049-2618-1-15] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2012] [Accepted: 03/22/2013] [Indexed: 05/12/2023]
Abstract
BACKGROUND The aberrant inflammation that is the hallmark of the inflammatory bowel diseases (IBD) is associated with several factors, including changes in the intestinal microbiota. Here, we confirmed that an intestinal microbiota is needed for development of typhlocolitis in Helicobacter hepaticus infected IL-10-/- C57BL/6 mice, and investigated the role of the microbiota in modulating disease. RESULTS We altered the murine microbiota by treatment with the antibiotics vancomycin or cefoperazone prior to H. hepaticus infection. Through surveys of the 16S rRNA encoding-gene, analyses of histology and changes in expression of host mediators, we correlated alterations in the microbiota with host responses. We found that resident microbes are essential for initiation of disease, as animals mono-associated with H. hepaticus did not develop colitis. Despite the requirement for an indigenous microbiota for the initiation of disease, the severity of disease was independent of antibiotic-induced changes in the microbial community structure. Despite differences in the expression of host inflammatory mediators associated with shifts in the microbiota, H. hepaticus infection led to similar histopathologic lesions in microbial communities exposed to either cefoperazone or vancomycin. CONCLUSION In conclusion, we demonstrate that colitis due to H. hepaticus infection can be initiated and progress in the presence of several different microbial communities. Furthermore, H. hepaticus is the main driver of inflammation in this model, while the specific structure of the microbiota may modulate the host pathways that lead to chronic inflammation.
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Affiliation(s)
- Nabeetha A Nagalingam
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, 48109, USA
- Current address: Department of Medicine, Division of Gastroenterology, University of California San Francisco, San Francisco, CA, 94143, USA
| | - Courtney J Robinson
- Department of Internal Medicine/Infectious Diseases Division, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
- Current address: Department of Biology, Howard University, Washington, DC, 20059, USA
| | - Ingrid L Bergin
- Unit for Laboratory Animal Medicine and Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
| | - Kathryn A Eaton
- Unit for Laboratory Animal Medicine and Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Gary B Huffnagle
- Department of Internal Medicine/Pulmonary Division, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Vincent B Young
- Department of Internal Medicine/Infectious Diseases Division, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, 48109, USA
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Shirazi KM, Somi MH, Bafandeh Y, Saremi F, Mylanchy N, Rezaeifar P, Abedi Manesh N, Mirinezhad SK. Epidemiological and clinical characteristics of inflammatory bowel disease in patients from northwestern iran. Middle East J Dig Dis 2013; 5:86-92. [PMID: 24829675 PMCID: PMC3990142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Accepted: 03/28/2013] [Indexed: 10/25/2022] Open
Abstract
BACKGROUND There are few reports from Iran about the epidemiology and clinical features of inflammatory bowel disease (IBD). This study aims to determine the epidemiologic profile and clinical features of IBD in Northwest Iran referral centers. METHODS In a cross-sectional setting, we evaluated 200 patients with definitive diagnoses of IBD who referred to Tabriz educational hospitals during the period of 2005 to 2007. Demographic characteristics as well as patients' clinical profiles were evaluated. Disease activity and severity were determined by the Crohn's Disease Activity Index and Truelove and Witt's classification of ulcerative colitis (UC). The related probable demographic factors were tested. RESULTS Of the 200 IBD patients, 183 (91.5%) were diagnosed with UC and 17 (8.5%) with Crohn's disease (CD). There was a positive first degree relative of IBD in 10.9% of UC and 11.8% of CD patients. Abdominal pain was the primary presenting symptom in 25.7% of UC patients and in 58.8% of those with CD. Among UC patients, left-sided colitis was the main feature (52.5%); while in patients with CD, colon involvement was predominant (52.9%). There was no significant contributor for activity or severity of disease noted among demographic factors. CONCLUSION The occurrence of UC was much higher than CD. The onset of IBD occurred in younger ages with a predominance in males. Left-sided colitis in UC and colon involvement in CD was common. Mostly, the pattern of IBD was mild to moderate with good response to pharmacotherapy. Disease activity and severity were unaffected by demographic features.
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Affiliation(s)
- Kourosh Masnadi Shirazi
- 1Assistant professor, Department of Internal Medicine, Liver and Gastrointestinal Diseases Research Centre,Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Hossein Somi
- 2Professor, Department of Internal Medicine, Liver and Gastrointestinal Diseases Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
,Corresponding Author: Mohammad Hossein Somi, MD Department of Internal Medicine, Liver and Gastrointestinal Diseases Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran Tel: + 98 411 3367473 Fax:+ 98 411 3367499
| | - Yoosef Bafandeh
- 3Professor, Department of Internal Medicine, Liver and Gastrointestinal Diseases Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Firooz Saremi
- 4Internist, Department of Internal Medicine, Liver and Gastrointestinal Diseases Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nooshin Mylanchy
- 5Internist, Liver and Gastrointestinal Diseases Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parisa Rezaeifar
- 5Internist, Liver and Gastrointestinal Diseases Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nasim Abedi Manesh
- 7Ph.D Student of Nutrition, Nutrition Faculty, Tabriz University of medical Sciences
| | - Seyed kazem Mirinezhad
- 8Researcher, Liver and Gastrointestinal Diseases Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
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Puthoor PR, de Zoeten EF. Pediatric Ulcerative Colitis: The Therapeutic Road to Infliximab. BIOLOGICS IN THERAPY 2013; 3:1-14. [PMID: 24392300 PMCID: PMC3873070 DOI: 10.1007/s13554-012-0006-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/12/2012] [Indexed: 02/08/2023]
Abstract
Ulcerative colitis (UC) is a chronic inflammatory bowel disease that has significant morbidities in the pediatric population. Goals of medical therapy include induction and maintenance of remission while preserving the colon and it's function, while minimizing the risk of treatment related morbidities. For those children who do not respond to initial therapies and progress to develop moderately-to-severely active UC, there has been a dearth of available treatments to help induce remission, necessitating long-term corticosteroid usage, with associated comorbidities of chronic steroid treatment. Significant advances have been made in medical management, including the use of biologic therapies, specifically anti-tumor necrosis factor-α monoclonal antibodies. With the Food and Drug Administration's recent approval of the use of infliximab, a chimeric anti-tumor necrosis factor-α antibody, for children ≥6 years of age with moderately-to-severely active UC, care providers now have a new treatment regimen to offer this pediatric population.
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Affiliation(s)
- Pamela R Puthoor
- University of Colorado Denver School of Medicine, Department of Pediatrics, Children's Hospital Colorado, Digestive Health Institute, Anschutz Medical Campus, 13123 East 16th Avenue, B290, Denver, USA
| | - Edwin F de Zoeten
- University of Colorado Denver School of Medicine, Department of Pediatrics, Children's Hospital Colorado, Digestive Health Institute, Anschutz Medical Campus, 13123 East 16th Avenue, B290, Denver, USA
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Ghazarian L, Diana J, Simoni Y, Beaudoin L, Lehuen A. Prevention or acceleration of type 1 diabetes by viruses. Cell Mol Life Sci 2013; 70:239-55. [PMID: 22766971 PMCID: PMC11113684 DOI: 10.1007/s00018-012-1042-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2011] [Revised: 05/22/2012] [Accepted: 05/24/2012] [Indexed: 12/31/2022]
Abstract
Type 1 diabetes is an autoimmune disease characterized by the destruction of insulin-producing pancreatic β-cells. Even though extensive scientific research has yielded important insights into the immune mechanisms involved in pancreatic β-cell destruction, little is known about the events that trigger the autoimmune process. Recent epidemiological and experimental data suggest that environmental factors are involved in this process. In this review, we discuss the role of viruses as an environmental factor on the development of type 1 diabetes, and the immune mechanisms by which they can trigger or protect against this pathology.
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Affiliation(s)
- Liana Ghazarian
- Hôpital Saint Vincent de Paul/Cochin, Batiment Petit, 82 Avenue Denfert-Rochereau, 75014 Paris, France
| | - Julien Diana
- Hôpital Saint Vincent de Paul/Cochin, Batiment Petit, 82 Avenue Denfert-Rochereau, 75014 Paris, France
| | - Yannick Simoni
- Hôpital Saint Vincent de Paul/Cochin, Batiment Petit, 82 Avenue Denfert-Rochereau, 75014 Paris, France
| | - Lucie Beaudoin
- Hôpital Saint Vincent de Paul/Cochin, Batiment Petit, 82 Avenue Denfert-Rochereau, 75014 Paris, France
| | - Agnès Lehuen
- Hôpital Saint Vincent de Paul/Cochin, Batiment Petit, 82 Avenue Denfert-Rochereau, 75014 Paris, France
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[Epidemiology, diagnosis, complications and surgery in inflammatory bowel disease]. GASTROENTEROLOGIA Y HEPATOLOGIA 2012; 35 Suppl 1:51-6. [PMID: 23018008 DOI: 10.1016/s0210-5705(12)70034-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In Digestive Disease Week 2012, held in San Diego, numerous studies were presented on the epidemiology of inflammatory bowel disease. Some of these studies were population-based, providing greater information on known risk factors and helping to eliminate proposed risk factors for which there is no known evidence. In this meeting, special attention was paid to the natural history of the disease as well as surgery in patients aged more than 65 years old who should clearly be treated as a separate subgroup from the standard population in clinical trials from which older individuals are excluded. Another especially important topic were extraintestinal complications and manifestations, with Clostridium difficile and primary sclerosing cholangitis as the main culprits. Finally, with reference to diagnosis, calprotectin was confirmed as an essential marker in distinct scenarios and new imaging techniques such as virtual chromoendoscopy (i-scan) will be important in the management of these patients, although their precise role remains to be defined.
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Sanromán Álvarez L, de Castro Parga ML, Hernández Ramírez V, Clofent Vilaplana J, Pineda Mariño JR, Hermo Brión JA, Cid Gómez L, Martínez Turnes A, Domínguez Rodriguez F, Estévez Boullosa P, Rodríguez-Prada JI. Protocolo para la monitorización de la terapia inmunosupresora y biológica en una unidad de atención integral a pacientes con enfermedad inflamatoria intestinal. GASTROENTEROLOGIA Y HEPATOLOGIA 2012; 35:602-7. [DOI: 10.1016/j.gastrohep.2012.04.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Revised: 04/13/2012] [Accepted: 04/22/2012] [Indexed: 12/12/2022]
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Drukker L, Edden Y, Reissman P. Adenocarcinoma of the small bowel in a patient with occlusive Crohn’s disease. World J Gastrointest Oncol 2012; 4:184-6. [PMID: 22844550 PMCID: PMC3406284 DOI: 10.4251/wjgo.v4.i7.184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2011] [Revised: 05/29/2012] [Accepted: 05/31/2012] [Indexed: 02/05/2023] Open
Abstract
A 40-year-old male, diagnosed with mild Crohn’s disease (CD) 11 years ago but with no prior abdominal surgeries, was diagnosed with a small bowel stricture, due to ongoing abdominal pain and intolerance of enteral diet, and referred for surgical treatment. Exploratory laparoscopy revealed a white solid mass causing a near total jejunal obstruction with significant proximal dilatation. An adjacent small node was sampled for frozen biopsy, revealing a lymph node infiltrated with adenocarcinoma. Laparoscopic assisted small bowel resection and appendectomy were carried out. Final pathological results supported the initial report of diffuse small bowel adenocarcinoma. In conclusion, once a small bowel stricture associated with CD is suspected, rapid action should be considered to avoid late diagnosis of a neoplasia.
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Affiliation(s)
- Lior Drukker
- Lior Drukker, Yair Edden, Petachia Reissman, Department of General Surgery, Shaare Zedek Medical Center, Hebrew University, Hadassah School of Medicine, PO Box 3235, Jerusalem 91031, Israel
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Dextran sodium sulphate colitis mouse model: traps and tricks. J Biomed Biotechnol 2012; 2012:718617. [PMID: 22665990 PMCID: PMC3361365 DOI: 10.1155/2012/718617] [Citation(s) in RCA: 603] [Impact Index Per Article: 50.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2011] [Accepted: 03/05/2012] [Indexed: 12/13/2022] Open
Abstract
Inflammatory bowel disease (IBD) is a complex multifactorial disease of unknown etiology. Thus, dozens of different animal models of IBD have been developed in past decades. Animal models of IBD are valuable and indispensable tools that provide a wide range of options for investigating involvement of various factors into the pathogenesis of IBD and to evaluate different therapeutic options. However, the dextran sulphate sodium (DSS-) induced colitis model has some advantages when compared to other animal models of colitis. It is well appreciated and widely used model of inflammatory bowel disease because of its simplicity. It has many similarities to human IBD, which are mentioned in the paper. In spite of its simplicity and wide applicability, there are also traps that need to be taken into account when using DSS model. As demonstrated in the present paper, various factors may affect susceptibility to DSS-induced lesions and modify results.
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Tang Y, Forsyth CB, Keshavarzian A. New molecular insights into inflammatory bowel disease-induced diarrhea. Expert Rev Gastroenterol Hepatol 2011; 5:615-25. [PMID: 21910579 PMCID: PMC3227675 DOI: 10.1586/egh.11.64] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Diarrhea is one of the common symptoms that significantly affects quality of life in patients with inflammatory bowel disease (IBD). The clinical manifestation of diarrhea is mainly dependant on the type of IBD and the location, extent and severity of intestinal inflammation. Understanding the pathophysiologic mechanisms of diarrhea in patients with IBD will be beneficial to developing effective treatments for IBD-associated diarrhea. In recent years, modern molecular techniques have been used intensively to dissect the role of the intestinal microbiota, epithelial barrier and the host immune system in the mechanisms of IBD-induced diarrhea. These studies have significantly advanced our knowledge of the mechanisms of IBD-induced diarrhea. In this article, we focus on the new and critical molecular insights into the contributions of the intestinal microbiota, epithelial tight junctions, proinflammatory cytokines and microRNA as potential mechanisms underlying to IBD-induced diarrhea.
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Affiliation(s)
- Yueming Tang
- Department of Internal Medicine, Division of Digestive Disease and Nutrition, Rush University Medical Center, Chicago, IL 60612, USA.
| | - Christopher B Forsyth
- Department of Internal Medicine, Division of Digestive Disease and Nutrition, Rush University Medical Center, Chicago, IL 60612, USA,Department of Biochemistry, Division of Digestive Disease and Nutrition, Rush University Medical Center, Chicago, IL 60612, USA
| | - Ali Keshavarzian
- Department of Internal Medicine, Division of Digestive Disease and Nutrition, Rush University Medical Center, Chicago, IL 60612, USA,Department of Pharmacology, Division of Digestive Disease and Nutrition, Rush University Medical Center, Chicago, IL 60612, USA,Department of Molecular Biophysics and Physiology, Division of Digestive Disease and Nutrition, Rush University Medical Center, Chicago, IL 60612, USA
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Kleinubing-Júnior H, Pinho MDSL, Ferreira LC, Bachtold GA, Merki A. Perfil dos pacientes ambulatoriais com doenças inflamatórias intestinais. ABCD-ARQUIVOS BRASILEIROS DE CIRURGIA DIGESTIVA 2011. [DOI: 10.1590/s0102-67202011000300004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
INTRODUÇÃO: As doenças inflamatórias intestinais são enfermidades crônicas, que afetam significativamente a qualidade e expectativa de vida dos pacientes. Existe polimorfismo clínico e a abordagem terapêutica tem sido modificada nos últimos anos. OBJETIVO: Reavaliar o perfil dos pacientes em acompanhamento ambulatorial analisando o comportamento das doenças, sua prevalência e conduta terapêutica. MÉTODOS: Foi realizado um estudo transversal da última atualização da base de dados dos pacientes de ambulatório de doença inflamatória intestinal em 2010. Os itens analisados foram sexo e idade dos pacientes, tipo da doença (retocolite ulcerativa ou doença de Crohn), localização da doença, tipo de medicação em uso, e se os pacientes estavam sintomáticos ou assintomáticos na última consulta. RESULTADOS: Foram estudados 171 pacientes. O sexo feminino mostrou-se predominante (60,8%) e a média de idade dos pacientes foi de 42,3, variando de 16 a 84 anos. Em relação ao tipo de doença inflamatória, a retocolite ulcerativa mostrou-se mais prevalente (58,5%). As localizações mais frequentes na retocolite ulcerativa foram pancolite e retite, ambas com 26% (n=26). Na doença de Crohn a localização ileocolônica foi a mais prevalente, com 47,9% (n=34), sendo seguida pela colônica com 25,4% (n=18). A monoterapia foi a mais utilizada, correspondendo a 54,4% dos pacientes, sendo que os imunossupressores foram as drogas de uso mais frequente (35,5%). A associação de medicamentos foi necessária em 36,3% dos casos, sendo a combinação mais frequente salicilato local com sistêmico em 33,9%. Nos portadores de retocolite ulcerativa 82% estavam em uso de salicilatos, seja local ou sistêmico. Na doença de Crohn 57,7% faziam uso de imunossupressores. Em relação à atividade da doença na última consulta, 71,3% dos pacientes apresentavam-se assintomáticos. CONCLUSÃO: A retocolite ulcerativa foi pouco mais prevalente que a doença de Crohn, sendo pancolite e retite as localizações mais frequentes. Na doença de Crohn a localização ileocolônica foi a mais encontrada seguida pela colônica. A monoterapia com imunossupressores foi o esquema terapêutico mais utilizado. A maioria dos pacientes apresentava-se assintomático na última consulta.
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Cooper JM, Collier J, James V, Hawkey CJ. Living with inflammatory bowel disease: diagnosis during pregnancy. ACTA ACUST UNITED AC 2011. [DOI: 10.12968/gasn.2011.9.5.28] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Joanne M Cooper
- United Lincolnshire Hospitals NHS trust, University of Nottingham, School of Nursing and Midwifery
| | - Jacqueline Collier
- head of School of Allied Health Professionals, University of East Anglia
| | - Veronica James
- School of Health and Life Sciences, Glasgow Caledonian University
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