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Yang CT, Yen HH, Su PY, Chen YY, Huang SP. High prevalence of vitamin D deficiency in Taiwanese patients with inflammatory bowel disease. Sci Rep 2024; 14:14091. [PMID: 38890510 PMCID: PMC11189481 DOI: 10.1038/s41598-024-64930-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Accepted: 06/14/2024] [Indexed: 06/20/2024] Open
Abstract
Vitamin D deficiency is common in patients with inflammatory bowel disease (IBD). In this study, we aimed to evaluate the prevalence and risk factors of vitamin D deficiency in a Taiwanese IBD cohort. Vitamin D levels were checked in adult patients with IBD who were treated at Changhua Christian Hospital, a medical center in central Taiwan, from January 2017 to December 2023. The risk factors for vitamin D deficiency were evaluated. 106 adult IBD patients were included, including 20 patients with Crohn's disease and 86 with ulcerative colitis. The median age at diagnosis was 39.2 years. The mean vitamin D level was 22.2 ± 8 ng/mL. Forty-five patients (42.5%) had vitamin D deficiency (vitamin D level < 20 ng/mL). Comparing patients with normal vitamin D levels and those with vitamin D deficiency after multivariate adjustment, female sex and early age at diagnosis were identified as statistically significant risk factors. We found a prevalence of 42.5% of vitamin D deficiency in the Taiwanese IBD population. Understanding this issue is essential for teaching patients and doctors about vitamin D deficiency screening and improving patient outcomes.
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Affiliation(s)
- Chen-Ta Yang
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, 400, Taiwan
- Division of Gastroenterology, Changhua Christian Hospital, Changhua, 500, Taiwan
| | - Hsu-Heng Yen
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, 400, Taiwan.
- Division of Gastroenterology, Changhua Christian Hospital, Changhua, 500, Taiwan.
| | - Pei-Yuan Su
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, 400, Taiwan
- Division of Gastroenterology, Changhua Christian Hospital, Changhua, 500, Taiwan
| | - Yang-Yuan Chen
- Division of Gastroenterology, Changhua Christian Hospital, Changhua, 500, Taiwan
- Department of Hospitality Management, MingDao University, Changhua, 500, Taiwan
| | - Siou-Ping Huang
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, 400, Taiwan
- Division of Gastroenterology, Changhua Christian Hospital, Changhua, 500, Taiwan
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2
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Raheel H, Kopalakrishnan S, Bhasker S, Makhani L, Clarke S, Nicholas MN, Mufti A, Boggild AK. Inflammatory bowel disease later diagnosed as strongyloides colitis in migrants to Canada: a case series. Ther Adv Infect Dis 2023; 10:20499361231162719. [PMID: 37008791 PMCID: PMC10064163 DOI: 10.1177/20499361231162719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 02/21/2023] [Indexed: 03/31/2023] Open
Abstract
Strongyloides colitis is a gastrointestinal manifestation of the parasitic infection, Strongyloides stercoralis, which may be misdiagnosed and treated as ulcerative colitis (UC) in patients presenting in non-endemic regions. Treatment of Strongyloides colitis as UC can lead to a lethal hyperinfection syndrome. Therefore, prior to commencing immunosuppressive treatment of UC, it is essential to use diagnostic markers to differentiate the two etiologies. In this case series, we discuss two migrant patients who were previously diagnosed with UC and treated accordingly who presented to our clinic for further investigation of suspected parasitic infection.
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Affiliation(s)
- Hira Raheel
- Schulich School of Medicine and Dentistry, London, ON, Canada
| | | | - Shveta Bhasker
- Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Leila Makhani
- Department of Family and Community Medicine, University of Toronto, Toronto, ON, Canada
- Tropical Disease Unit, Division of Infectious Diseases, UHN-Toronto General Hospital, Toronto, ON, Canada
| | - Shareese Clarke
- Lawrence S. Bloomberg Faculty of Nursing, Toronto, ON, Canada
| | - Mathew N. Nicholas
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Asfandyar Mufti
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada
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3
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Tekin A, Qamar S, Bansal V, Surani S, Singh R, Sharma M, LeMahieu AM, Hanson AC, Schulte PJ, Bogojevic M, Deo N, Sanghavi DK, Cartin-Ceba R, Jain NK, Christie AB, Sili U, Anderson HL, Denson JL, Khanna AK, Zabolotskikh IB, La Nou AT, Akhter M, Mohan SK, Dodd KW, Retford L, Boman K, Kumar VK, Walkey AJ, Gajic O, Domecq JP, Kashyap R. The Association of Latitude and Altitude with COVID-19 Symptoms: A VIRUS: COVID-19 Registry Analysis. Open Respir Med J 2022. [PMID: 37273949 DOI: 10.2174/18743064-v16-e2207130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Background:
Better delineation of COVID-19 presentations in different climatological conditions might assist with prompt diagnosis and isolation of patients.
Objectives:
To study the association of latitude and altitude with COVID-19 symptomatology.
Methods:
This observational cohort study included 12267 adult COVID-19 patients hospitalized between 03/2020 and 01/2021 at 181 hospitals in 24 countries within the SCCM Discovery VIRUS: COVID-19 Registry. The outcome was symptoms at admission, categorized as respiratory, gastrointestinal, neurological, mucocutaneous, cardiovascular, and constitutional. Other symptoms were grouped as atypical. Multivariable regression modeling was performed, adjusting for baseline characteristics. Models were fitted using generalized estimating equations to account for the clustering.
Results:
The median age was 62 years, with 57% males. The median age and percentage of patients with comorbidities increased with higher latitude. Conversely, patients with comorbidities decreased with elevated altitudes. The most common symptoms were respiratory (80%), followed by constitutional (75%). Presentation with respiratory symptoms was not associated with the location. After adjustment, at lower latitudes (<30º), patients presented less commonly with gastrointestinal symptoms (p<.001, odds ratios for 15º, 25º, and 30º: 0.32, 0.81, and 0.98, respectively). Atypical symptoms were present in 21% of the patients and showed an association with altitude (p=.026, odds ratios for 75, 125, 400, and 600 meters above sea level: 0.44, 0.60, 0.84, and 0.77, respectively).
Conclusions:
We observed geographic variability in symptoms of COVID-19 patients. Respiratory symptoms were most common but were not associated with the location. Gastrointestinal symptoms were less frequent in lower latitudes. Atypical symptoms were associated with higher altitude.
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Alhadab AA, AlMahamed SN, Hassan IE, Hammo AH. The impact of inflammatory bowel diseases on the quality of life of Saudi pediatric patients: A cross-sectional study. Saudi J Gastroenterol 2022; 28:448-455. [PMID: 35946259 PMCID: PMC9843516 DOI: 10.4103/sjg.sjg_162_22] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Inflammatory bowel disease (IBD) is a chronic gastrointestinal tract disorder characterized by periods of exacerbations and remissions that affect multiple aspects of a pediatric patient's quality of life. The purpose of this study is to describe the health-related quality of life of Saudi pediatric IBD patients and to determine the influencing factors which can affect it. METHODS This is a single center cross-sectional descriptive study, conducted between December 2019 and December 2021. Patients aged between 9 and 16 years diagnosed with IBD were included; IMPACT III quality of life questionnaire was used. RESULTS Thirty-eight patients participated in the study, 57.9 % being male, with a mean age of 12.48 ± 2.72 years, and 55.3 % of patients were diagnosed with Crohn's disease (CD). The most frequent medications were aminosalicylic acids derivatives, followed by immune-modulators and biologics. The IMPACT III quality of life questionnaire has shown lower scores in IBD patients in comparison to healthy control groups. Patients with active disease have lower total and sub-domain scores than patients with inactive disease. We found no correlation between health-related quality of life (HrQOL) and the number of medications used, disease duration, or gender. CONCLUSIONS Pediatric IBD patients have significantly lower HrQOL scores than healthy children. Disease activity was found to be a predictor for poor HrQOL outcome.
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Affiliation(s)
- Abdulhamid A. Alhadab
- Department of Pediatric, Section of Pediatric Gastroenterology, Hepatology, and Nutrition, King Fahad Specialist Hospital, Dammam, Saudi Arabia
| | - Shaden N. AlMahamed
- Department of Pediatric, Section of Pediatric Gastroenterology, Burjeel Specialty Hospital, Sharjah, United Arab Emirates
| | - Ibrahim E. Hassan
- Department of Pediatric, Section of Pediatric Gastroenterology, Hepatology, and Nutrition, King Fahad Specialist Hospital, Dammam, Saudi Arabia
| | - Abdelhai H. Hammo
- Department of Pediatric, Section of Pediatric Gastroenterology, Hepatology, and Nutrition, King Fahad Specialist Hospital, Dammam, Saudi Arabia,Address for correspondence: Dr. Abdelhai H. Hammo, Department of Pediatric, Section of Pediatric Gastroenterology, Hepatology, and Nutrition, King Fahad Specialist Hospital, Dammam, Saudi Arabia. E-mail:
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D'Haens G, Danese S, Davies M, Watanabe M, Hibi T. A phase II, Multicentre, Randomised, Double-Blind, Placebo-controlled Study to Evaluate Safety, Tolerability, and Efficacy of Amiselimod in Patients with Moderate to Severe Active Crohn's Disease. J Crohns Colitis 2022; 16:746-756. [PMID: 34758080 DOI: 10.1093/ecco-jcc/jjab201] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND AIMS Amiselimod is an oral selective S1P1 receptor modulator with potentially fewer adverse effects than fingolimod. We evaluated the safety, tolerability, and clinical efficacy of amiselimod in participants with moderate to severe active Crohn's disease. METHODS This was a phase IIa, multicentre, randomised, double-blind, parallel group, placebo-controlled study comparing amiselimod 0.4 mg with placebo over a 14-Week treatment period. The primary endpoint of the study was the proportion of participants with clinical response (Crohn's Disease activity Index [CDAI] 100) from baseline at Week 12. RESULTS A total of 180 patients were screened and 78 were randomised [40 to amiselimod 0.4 mg and 38 to placebo]. There was no significant difference in the proportion of patients achieving CDAI 100 at Week 12 on amiselimod 0.4 mg and on placebo [48.7% vs. 54.1%, respectively] (odds ratio [OR] [95% confidence interval]: 0.79 [0.31, 1.98]). The results from the secondary endpoint analyses supported the results of the primary endpoint analysis. Treatment with amiselimod 0.4 mg was generally well tolerated, with 71.8% of participants completing the 14-week treatment period. Seven participants had serious adverse events and four discontinued treatment in the amiselimod group. CONCLUSIONS Amiselimod 0.4 mg for 12 weeks was not superior to placebo for the induction of clinical response [CDAI 100] in Crohn's disease. Treatment with amiselimod 0.4 mg was generally well tolerated and no new safety concerns related to amiselimod were reported in this study.
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Affiliation(s)
- Geert D'Haens
- Inflammatory Bowel Disease Centre, Amsterdam University Medical Centres, Amsterdam, The Netherlands
| | - Silvio Danese
- Gastroenterology and Gastrointestinal Endoscopy Unit, IRCCS Ospedale San Raffaele and University Vita-Salute San Raffaele, Milano, Italy
| | - Martin Davies
- Clinical Operations, Mitsubishi Tanabe Pharma Europe, London, UK
| | - Mamoru Watanabe
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Toshifumi Hibi
- Center for Advanced IBD Research and Treatment, Kitasato University Kitasato Institute Hospital, Tokyo, Japan
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6
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Hedin CRH, Sonkoly E, Eberhardson M, Ståhle M. Inflammatory bowel disease and psoriasis: modernizing the multidisciplinary approach. J Intern Med 2021; 290:257-278. [PMID: 33942408 DOI: 10.1111/joim.13282] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 01/11/2021] [Accepted: 01/18/2021] [Indexed: 12/11/2022]
Abstract
Psoriasis and inflammatory bowel disease (IBD) are immune-mediated diseases occurring in barrier organs whose main task is to protect the organism from attack. These disorders are highly prevalent especially in northern Europe where psoriasis has a prevalence of around 3-4% and IBD around 0.3%. The prevalence of IBD in North America has been estimated at around 0.4%. The total incidence rates in northern Europe have been estimated at around 6 for Crohn's disease and 11 for ulcerative colitis per 100 000 person-years, compared with an incidence rate of around 280 per 100 000 person-years for psoriasis. Both diseases are less common in countries with a lower index of development. The rise in IBD appears to occur as populations adopt a westernized lifestyle, whereas psoriasis seems more stable and prevalence differences may derive more from variation in genetic susceptibility. The gut microbiota is clearly an important driver of IBD pathogenesis; in psoriasis, changes in gut and skin microbiota have been reported, but it is less clear whether and how these changes contribute to the pathogenesis. Large studies show that most identified genes are involved in the immune system. However, psoriasis and IBD are highly heterogeneous diseases and there is a need for more precise and deeper phenotyping to identify specific subgroups and their genetic, epigenetic and molecular signatures. Epigenetic modifications of DNA such as histone modifications, noncoding RNA effects on transcription and translation and DNA methylation are increasingly recognized as the mechanism underpinning much of the gene-environment interaction in the pathogenesis of both IBD and psoriasis. Our understanding of underlying pathogenetic mechanisms has deepened fundamentally over the past decades developing hand in hand with novel therapies targeting pathways and proinflammatory cytokines incriminated in disease. There is not only substantial overlap between psoriasis and IBD, but also there are differences with implication for therapy. In psoriasis, drugs targeting interleukin-23 and interleukin-17 have shown superior efficacy compared with anti-TNFs, whilst in IBD, drugs targeting interleukin-17 may be less beneficial. The therapeutic toolbox for psoriasis is impressive and is enlarging also for IBD. Still, there are unmet needs reflecting the heterogeneity of both diseases and there is a need for closer molecular diagnostics to allow for the development of precise therapeutics.
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Affiliation(s)
- C R H Hedin
- From the, Department of Medicine, Karolinska Institutet, Solna, Stockholm, Sweden.,Division of Gastroenterology, Medical Unit Gastroenterology, Dermatovenereology and Rheumatology, Karolinska University Hospital, Stockholm, Sweden
| | - E Sonkoly
- From the, Department of Medicine, Karolinska Institutet, Solna, Stockholm, Sweden.,Division of Dermatology, Medical Unit Gastroenterology, Dermatovenereology and Rheumatology, Karolinska University Hospital, Stockholm, Sweden
| | - M Eberhardson
- From the, Department of Medicine, Karolinska Institutet, Solna, Stockholm, Sweden.,Department of Gastroenterology, University Hospital in Linkoping, Linkoping, Sweden
| | - M Ståhle
- From the, Department of Medicine, Karolinska Institutet, Solna, Stockholm, Sweden.,Division of Dermatology, Medical Unit Gastroenterology, Dermatovenereology and Rheumatology, Karolinska University Hospital, Stockholm, Sweden
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7
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Cho YJ, Kwon H, Kwon YJ, Kim KM, Oh SH, Kim DY. Efficacy and safety of autologous adipose tissue-derived stem cell therapy for children with refractory Crohn's complex fistula: a Phase IV clinical study. Ann Surg Treat Res 2021; 101:58-64. [PMID: 34235117 PMCID: PMC8255577 DOI: 10.4174/astr.2021.101.1.58] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 03/10/2021] [Accepted: 03/30/2021] [Indexed: 12/01/2022] Open
Abstract
Purpose Autologous adipose tissue-derived stem cells (ASCs) have been proposed for patients with refractory Crohn disease, but research is lacking in pediatric patients. This Phase IV study evaluated the efficacy and safety of ASCs in children with refractory Crohn's fistulae. Methods Patients with a refractory Crohn's fistula who did not have conventional therapy for more than 3 months or with a recurrent complex Crohn's fistula were included. All patients were at least 14 years old. Patients with infection, poor condition, or active Crohn disease with a disease activity index of 450 and above were excluded. Five patients were treated with ASCs from 2014 to 2015 in Asan Medical Center. ASC administration was adjusted according to fistula size (1 mL per cm2). We evaluated the efficacy and safety 8 weeks after injection and followed patients for 6 months. Results Fistulae were healed in 4 patients by 8 weeks after ASC injection. Of these 4 patients, 1 had complete fistula closure and sustainability after 6 months. The other 3 with healing effects had less than 50% fistula closure by 6 months. None of these 4 patients have persistent fistulae. One patient had no healing effect, and seton ligation was performed 8 months after ASC injection. There were no adverse effects related to ASC administration. Conclusion ASC therapy is a simple and well-tolerated therapeutic option for children with refractory Crohn's complex fistulae. Complete closure was well-sustained. However, more data from a larger number of patients are needed.
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Affiliation(s)
- Yu Jeong Cho
- Department of Pediatric Surgery, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul, Korea
| | - Hyunhee Kwon
- Department of Pediatric Surgery, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul, Korea
| | - Yong Jae Kwon
- Department of Pediatric Surgery, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul, Korea
| | - Kyung Mo Kim
- Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul, Korea
| | - Seak Hee Oh
- Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul, Korea
| | - Dae Yeon Kim
- Department of Pediatric Surgery, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul, Korea
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8
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The role of epigenetic modifications for the pathogenesis of Crohn's disease. Clin Epigenetics 2021; 13:108. [PMID: 33980294 PMCID: PMC8117638 DOI: 10.1186/s13148-021-01089-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 04/22/2021] [Indexed: 12/19/2022] Open
Abstract
Epigenetics has become a promising field for finding new biomarkers and improving diagnosis, prognosis, and drug response in inflammatory bowel disease. The number of people suffering from inflammatory bowel diseases, especially Crohn's disease, has increased remarkably. Crohn's disease is assumed to be the result of a complex interplay between genetic susceptibility, environmental factors, and altered intestinal microbiota, leading to dysregulation of the innate and adaptive immune response. While many genetic variants have been identified to be associated with Crohn's disease, less is known about the influence of epigenetics in the pathogenesis of this disease. In this review, we provide an overview of current epigenetic studies in Crohn's disease. In particular, we enable a deeper insight into applied bioanalytical and computational tools, as well as a comprehensive update toward the cell-specific evaluation of DNA methylation and histone modifications.
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9
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Park J, Cheon JH. Incidence and Prevalence of Inflammatory Bowel Disease across Asia. Yonsei Med J 2021; 62:99-108. [PMID: 33527789 PMCID: PMC7859683 DOI: 10.3349/ymj.2021.62.2.99] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/02/2020] [Accepted: 12/07/2020] [Indexed: 12/17/2022] Open
Abstract
Inflammatory bowel diseases (IBD), including ulcerative colitis (UC) and Crohn's disease (CD), are chronic inflammatory disorders of the gastrointestinal tract caused by interactions between genetic, environmental, immunological, and microbial factors. While the incidence and prevalence of IBD in Asian populations were relatively lower than those in Western countries, they appear to be gradually increasing. A Westernized diet, high socioeconomic status, improvement of hygiene, and development of vaccination could affect the increases in IBD incidence and prevalence in Asian countries. This review describes the latest trends in the incidence and prevalence of IBD in Asia. Studying the epidemiology of IBD in Asia may unravel the etiopathogenesis of and risk factors for IBD.
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Affiliation(s)
- Jihye Park
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Hee Cheon
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.
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10
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Sun H, Lagarrigue F, Wang H, Fan Z, Lopez-Ramirez MA, Chang JT, Ginsberg MH. Distinct integrin activation pathways for effector and regulatory T cell trafficking and function. J Exp Med 2021; 218:e20201524. [PMID: 33104169 PMCID: PMC7590511 DOI: 10.1084/jem.20201524] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 09/17/2020] [Accepted: 09/22/2020] [Indexed: 12/19/2022] Open
Abstract
Integrin activation mediates lymphocyte trafficking and immune functions. Conventional T cell (Tconv cell) integrin activation requires Rap1-interacting adaptor molecule (RIAM). Here, we report that Apbb1ip-/- (RIAM-null) mice are protected from spontaneous colitis due to IL-10 deficiency, a model of inflammatory bowel disease (IBD). Protection is ascribable to reduced accumulation and homing of Tconv cells in gut-associated lymphoid tissue (GALT). Surprisingly, there are abundant RIAM-null regulatory T cells (T reg cells) in the GALT. RIAM-null T reg cells exhibit normal homing to GALT and lymph nodes due to preserved activation of integrins αLβ2, α4β1, and α4β7. Similar to Tconv cells, T reg cell integrin activation and immune function require Rap1; however, lamellipodin (Raph1), a RIAM paralogue, compensates for RIAM deficiency. Thus, in contrast to Tconv cells, RIAM is dispensable for T reg cell integrin activation and suppressive function. In consequence, inhibition of RIAM can inhibit spontaneous Tconv cell-mediated autoimmune colitis while preserving T reg cell trafficking and function.
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Affiliation(s)
- Hao Sun
- Department of Medicine, University of California, San Diego, La Jolla, CA
| | - Frederic Lagarrigue
- Department of Medicine, University of California, San Diego, La Jolla, CA
- Institut de Pharmacologie et Biologie Structurale, Université de Toulouse, Centre National de la Recherche Scientifique, Université Paul Sabatier, Toulouse, France
| | - Hsin Wang
- Department of Medicine, University of California, San Diego, La Jolla, CA
| | - Zhichao Fan
- Department of Immunology, School of Medicine, UConn Health, Farmington, CT
| | | | - John T. Chang
- Department of Medicine, University of California, San Diego, La Jolla, CA
| | - Mark H. Ginsberg
- Department of Medicine, University of California, San Diego, La Jolla, CA
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Alvisi N, van Noort K, Dwiani S, Geschiere N, Sukarta O, Varossieau K, Nguyen DL, Strasser R, Hokke CH, Schots A, Wilbers RHP. β-Hexosaminidases Along the Secretory Pathway of Nicotiana benthamiana Have Distinct Specificities Toward Engineered Helminth N-Glycans on Recombinant Glycoproteins. FRONTIERS IN PLANT SCIENCE 2021; 12:638454. [PMID: 33815445 PMCID: PMC8010188 DOI: 10.3389/fpls.2021.638454] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 02/23/2021] [Indexed: 05/14/2023]
Abstract
Secretions of parasitic worms (helminths) contain a wide collection of immunomodulatory glycoproteins with the potential to treat inflammatory disorders, like autoimmune diseases. Yet, the identification of single molecules that can be developed into novel biopharmaceuticals is hampered by the limited availability of native parasite-derived proteins. Recently, pioneering work has shown that helminth glycoproteins can be produced transiently in Nicotiana benthamiana plants while simultaneously mimicking their native helminth N-glycan composition by co-expression of desired glycosyltransferases. However, efficient "helminthization" of N-glycans in plants by glyco-engineering seems to be hampered by the undesired truncation of complex N-glycans by β-N-acetyl-hexosaminidases, in particular when aiming for the synthesis of N-glycans with antennary GalNAcβ1-4GlcNAc (LacdiNAc or LDN). In this study, we cloned novel β-hexosaminidase open reading frames from N. benthamiana and characterized the biochemical activity of these enzymes. We identified HEXO2 and HEXO3 as enzymes responsible for the cleavage of antennary GalNAc residues of N-glycans on the model helminth glycoprotein kappa-5. Furthermore, we reveal that each member of the HEXO family has a distinct specificity for N-glycan substrates, where HEXO2 has strict β-galactosaminidase activity, whereas HEXO3 cleaves both GlcNAc and GalNAc. The identification of HEXO2 and HEXO3 as major targets for LDN cleavage will enable a targeted genome editing approach to reduce undesired processing of these N-glycans. Effective knockout of these enzymes could allow the production of therapeutically relevant glycoproteins with tailor-made helminth N-glycans in plants.
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Affiliation(s)
- Nicolò Alvisi
- Laboratory of Nematology, Plant Sciences Group, Wageningen University and Research, Wageningen, Netherlands
| | - Kim van Noort
- Laboratory of Nematology, Plant Sciences Group, Wageningen University and Research, Wageningen, Netherlands
| | - Sarlita Dwiani
- Laboratory of Nematology, Plant Sciences Group, Wageningen University and Research, Wageningen, Netherlands
| | - Nathan Geschiere
- Laboratory of Nematology, Plant Sciences Group, Wageningen University and Research, Wageningen, Netherlands
| | - Octavina Sukarta
- Laboratory of Nematology, Plant Sciences Group, Wageningen University and Research, Wageningen, Netherlands
| | - Koen Varossieau
- Laboratory of Nematology, Plant Sciences Group, Wageningen University and Research, Wageningen, Netherlands
| | - Dieu-Linh Nguyen
- Department of Parasitology, Leiden University Medical Center, Leiden, Netherlands
| | - Richard Strasser
- Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Cornelis H. Hokke
- Department of Parasitology, Leiden University Medical Center, Leiden, Netherlands
| | - Arjen Schots
- Laboratory of Nematology, Plant Sciences Group, Wageningen University and Research, Wageningen, Netherlands
| | - Ruud H. P. Wilbers
- Laboratory of Nematology, Plant Sciences Group, Wageningen University and Research, Wageningen, Netherlands
- *Correspondence: Ruud H. P. Wilbers,
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Etiology of and predictive factors for chronic intestinal failure requiring long term parenteral support in the last two decades: A retrospective study. Clin Nutr ESPEN 2020; 37:168-172. [DOI: 10.1016/j.clnesp.2020.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 02/18/2020] [Accepted: 02/23/2020] [Indexed: 11/23/2022]
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13
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Maizels RM. Regulation of immunity and allergy by helminth parasites. Allergy 2020; 75:524-534. [PMID: 31187881 DOI: 10.1111/all.13944] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 06/04/2019] [Accepted: 06/05/2019] [Indexed: 12/26/2022]
Abstract
There is increasing interest in helminth parasite modulation of the immune system, both from the fundamental perspective of the "arms race" between host and parasite, and equally importantly, to understand if parasites offer new pathways to abate and control untoward immune responses in humans. This article reviews the epidemiological and experimental evidence for parasite down-regulation of host immunity and immunopathology, in allergy and other immune disorders, and recent progress towards defining the mechanisms and molecular mediators which parasites exploit in order to modulate their host. Among these are novel products that interfere with epithelial cell alarmins, dendritic cell activation, macrophage function and T-cell responsiveness through the promotion of an immunoregulatory environment. These modulatory effects assist parasites to establish and survive, while dampening immune reactivity to allergens, autoantigens and microbiome determinants.
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Affiliation(s)
- Rick M. Maizels
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunology and Inflammation University of Glasgow Glasgow UK
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14
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Chen H, Shi J, Pan Y, Zhang Z, Fang H, Chen Y, Chen W, Cao Q. Cost-Effectiveness of Reimbursing Infliximab for Moderate to Severe Crohn's Disease in China. Adv Ther 2020; 37:431-449. [PMID: 31797196 DOI: 10.1007/s12325-019-01150-x] [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: 09/18/2019] [Indexed: 12/11/2022]
Abstract
OBJECTIVES To assess the cost-effectiveness of reimbursing infliximab for moderate-to-severe Crohn's disease (MS-CD) in China from the perspective of public insurance payers. METHODS A decision-analytic model with a lifetime time horizon was constructed to simulate the disease progression and direct medical costs in Chinese MS-CD patients under two scenarios: reimbursing infliximab vs. not reimbursing infliximab. A cross-sectional study and literature review were conducted to estimate model variables. The constructed decision-analytic model ran the base case, one-way sensitivity, and probabilistic sensitivity analyses (PSA) to assess the cost-effectiveness of reimbursing infliximab using reimbursed medical costs. RESULTS Base case analysis discounting health benefits and costs estimated that reimbursing infliximab could increase overall survival by 0.604 years, increase total quality-adjusted life years (QALY) by 0.697 QALY, reduce absolute lifetime surgery risk by 13.1%, and increase reimbursed costs by ¥29,409. The incremental cost-effectiveness ratio per gained additional QALY (ICER) based on discounted health benefits and reimbursed medical costs (3% per year) was ¥42,198. The one-way sensitivity analyses identified that the cost-effectiveness of reimbursing infliximab for MS-CD was mainly driven by the treatment efficacies of maintenance therapy, quality of life, and unit price of infliximab. PSA estimated that reimbursing infliximab was associated with a 63.8% chance to be cost-effective under the willingness-to-pay of the 2018 Chinese gross domestic product per capita (GDPPC). CONCLUSION Reimbursing infliximab for MS-CD in Chinese patients was highly attractive, costing Chinese public insurance payers less than the 2018 Chinese GDPPC to gain 1 QALY.
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15
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Lv H, Qiao B, Fang L, Yang L, Wang Q, Wu S, Ren P, Li L. Neonatal Crohn's disease with Oral ulcer as the first symptom caused by a compound heterozygote mutation in IL-10RA: a case report. Hereditas 2019; 156:38. [PMID: 31889944 PMCID: PMC6933644 DOI: 10.1186/s41065-019-0114-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Accepted: 12/17/2019] [Indexed: 11/10/2022] Open
Abstract
Objective To investigate the clinical and genetic characteristics of neonatal Crohn's disease (CD), improve recognition of neonatal CD, and reduce the number of patients that are missed or misdiagnosed. Methods A 10-day-old Chinese girl with oral ulcers was admitted to the Department of Neonatology. She later developed a rash and perianal disease, but without diarrhea and stool abnormalities. The patient and her parents underwent next-generation sequencing. Results The results showed that the patient carries a compound heterozygous mutation in the interleukin-10 receptor A (IL-10RA) (NM_001558.3) gene. One heterozygous mutation was c.301 c > T, P. (Arg 101 Trp) in exon 3 of IL-10RA (a missense mutation), and the other was c. 537G > A, P. (Thr 179 =) in exon 4 of IL 10RA (a synonymous mutation). The patient's father also carries the c.301 c > T, P. (Arg 101 Trp) heterozygous mutation in exon 3 of IL-10RA, whereas her mother carries the c.537G > A, P. (Thr 179 =) heterozygous mutation in exon 4 of IL-10RA. Conclusions The results show that a compound heterozygous mutation in IL-10RA is associated with neonatal CD. Oral ulcers with a rash and perianal disease may be an early symptom of neonatal CD; therefore, such patients should undergo genetic identification as soon as possible.
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Affiliation(s)
- Hongyan Lv
- Department of Neonatology, Handan Maternal and Child Health Care Hospital, No. 6, Li Ming Street, Peace Road, Handan City, 056001 Hebei Province China.,Department of Neonatal Pathology, Handan Maternal and Child Health Care Hospital, No. 6, Li Ming Street, Peace Road, Handan City, 056001 Hebei Province China
| | - Baojun Qiao
- Department of Neonatology, Handan Maternal and Child Health Care Hospital, No. 6, Li Ming Street, Peace Road, Handan City, 056001 Hebei Province China
| | - Liyuan Fang
- Department of Neonatology, Handan Maternal and Child Health Care Hospital, No. 6, Li Ming Street, Peace Road, Handan City, 056001 Hebei Province China
| | - Lihong Yang
- Department of Neonatology, Handan Maternal and Child Health Care Hospital, No. 6, Li Ming Street, Peace Road, Handan City, 056001 Hebei Province China
| | - Qiuli Wang
- Department of Neonatology, Handan Maternal and Child Health Care Hospital, No. 6, Li Ming Street, Peace Road, Handan City, 056001 Hebei Province China
| | - Sujing Wu
- Department of Neonatology, Handan Maternal and Child Health Care Hospital, No. 6, Li Ming Street, Peace Road, Handan City, 056001 Hebei Province China
| | - Pengshun Ren
- Department of Neonatology, Handan Maternal and Child Health Care Hospital, No. 6, Li Ming Street, Peace Road, Handan City, 056001 Hebei Province China
| | - Lianxiang Li
- Department of Neonatal Pathology, Handan Maternal and Child Health Care Hospital, No. 6, Li Ming Street, Peace Road, Handan City, 056001 Hebei Province China.,3Department of Neural Development and Neural Pathology, Hebei University of Engineering School of Medicine, Handan, 056029 Hebei Province China
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16
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Kvorjak M, Ahmed Y, Miller ML, Sriram R, Coronnello C, Hashash JG, Hartman DJ, Telmer CA, Miskov-Zivanov N, Finn OJ, Cascio S. Cross-talk between Colon Cells and Macrophages Increases ST6GALNAC1 and MUC1-sTn Expression in Ulcerative Colitis and Colitis-Associated Colon Cancer. Cancer Immunol Res 2019; 8:167-178. [PMID: 31831633 DOI: 10.1158/2326-6066.cir-19-0514] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 10/03/2019] [Accepted: 12/03/2019] [Indexed: 12/21/2022]
Abstract
Patients with ulcerative colitis have an increased risk of developing colitis-associated colon cancer (CACC). Changes in glycosylation of the oncoprotein MUC1 commonly occur in chronic inflammation, including ulcerative colitis, and this abnormally glycosylated MUC1 promotes cancer development and progression. It is not known what causes changes in glycosylation of MUC1. Gene expression profiling of myeloid cells in inflamed and malignant colon tissues showed increased expression levels of inflammatory macrophage-associated cytokines compared with normal tissues. We analyzed the involvement of macrophage-associated cytokines in the induction of aberrant MUC1 glycoforms. A coculture system was used to examine the effects of M1 and M2 macrophages on glycosylation-related enzymes in colon cancer cells. M2-like macrophages induced the expression of the glycosyltransferase ST6GALNAC1, an enzyme that adds sialic acid to O-linked GalNAc residues, promoting the formation of tumor-associated sialyl-Tn (sTn) O-glycans. Immunostaining of ulcerative colitis and CACC tissue samples confirmed the elevated number of M2-like macrophages as well as high expression of ST6GALNAC1 and the altered MUC1-sTn glycoform on colon cells. Cytokine arrays and blocking antibody experiments indicated that the macrophage-dependent ST6GALNAC1 activation was mediated by IL13 and CCL17. We demonstrated that IL13 promoted phosphorylation of STAT6 to activate transcription of ST6GALNAC1. A computational model of signaling pathways was assembled and used to test IL13 inhibition as a possible therapy. Our findings revealed a novel cellular cross-talk between colon cells and macrophages within the inflamed and malignant colon that contributes to the pathogenesis of ulcerative colitis and CACC.See related Spotlight on p. 160.
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Affiliation(s)
- Michael Kvorjak
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Yasmine Ahmed
- Department of Electrical and Computer Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Michelle L Miller
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Raahul Sriram
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | | | - Jana G Hashash
- Department of Gastroenterology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Douglas J Hartman
- Department of Pathology University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Cheryl A Telmer
- Molecular Biosensor and Imaging Center, Carnegie Mellon University, Pittsburgh, Pennsylvania
| | - Natasa Miskov-Zivanov
- Department of Electrical and Computer Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Olivera J Finn
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Sandra Cascio
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania. .,Fondazione Ri.Med, Palermo, Italy.,Department of Obstetrics, Gynecology, & Reproductive Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania
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17
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Kuo T, Kuo C, Lin W, Chiu C, Su M, Lin W, Lin C, Hsu J, Tsai W, Wu R. Clinical characteristics and outcome of fistulizing Crohn's disease: One single‐center experience in Taiwan. ADVANCES IN DIGESTIVE MEDICINE 2019. [DOI: 10.1002/aid2.13133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Tony Kuo
- Department of Gastroenterology and HepatologyLinkou Chang Gung Memorial Hospital Taoyuan Taiwan
- College of MedicineChang Gung University Taoyuan Taiwan
| | - Chia‐Jung Kuo
- Department of Gastroenterology and HepatologyLinkou Chang Gung Memorial Hospital Taoyuan Taiwan
- College of MedicineChang Gung University Taoyuan Taiwan
| | - Wey‐Ran Lin
- Department of Gastroenterology and HepatologyLinkou Chang Gung Memorial Hospital Taoyuan Taiwan
- College of MedicineChang Gung University Taoyuan Taiwan
| | - Cheng‐Tang Chiu
- Department of Gastroenterology and HepatologyLinkou Chang Gung Memorial Hospital Taoyuan Taiwan
- College of MedicineChang Gung University Taoyuan Taiwan
| | - Ming‐Yao Su
- Department of Gastroenterology and HepatologyLinkou Chang Gung Memorial Hospital Taoyuan Taiwan
- College of MedicineChang Gung University Taoyuan Taiwan
| | - Wei‐Pin Lin
- Department of Gastroenterology and HepatologyLinkou Chang Gung Memorial Hospital Taoyuan Taiwan
- College of MedicineChang Gung University Taoyuan Taiwan
| | - Chun‐Jung Lin
- Department of Gastroenterology and HepatologyLinkou Chang Gung Memorial Hospital Taoyuan Taiwan
- College of MedicineChang Gung University Taoyuan Taiwan
| | - Jun‐Te Hsu
- College of MedicineChang Gung University Taoyuan Taiwan
- Division of General Surgery, Department of SurgeryLinkou Chang Gung Memorial Hospital Taoyuan Taiwan
| | - Wen‐Sy Tsai
- College of MedicineChang Gung University Taoyuan Taiwan
- Division of Colon and Rectal Surgery, Department of SurgeryLinkou Chang Gung Memorial Hospital Taoyuan Taiwan
| | - Ren‐Chin Wu
- College of MedicineChang Gung University Taoyuan Taiwan
- Department of PathologyLinkou Chang Gung Memorial Hospital Taoyuan Taiwan
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18
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The global, regional, and national burden of inflammatory bowel disease in 195 countries and territories, 1990-2017: a systematic analysis for the Global Burden of Disease Study 2017. Lancet Gastroenterol Hepatol 2019; 5:17-30. [PMID: 31648971 PMCID: PMC7026709 DOI: 10.1016/s2468-1253(19)30333-4] [Citation(s) in RCA: 1153] [Impact Index Per Article: 230.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 09/20/2019] [Accepted: 09/23/2019] [Indexed: 02/07/2023]
Abstract
Background The burden of inflammatory bowel disease (IBD) is rising globally, with substantial variation in levels and trends of disease in different countries and regions. Understanding these geographical differences is crucial for formulating effective strategies for preventing and treating IBD. We report the prevalence, mortality, and overall burden of IBD in 195 countries and territories between 1990 and 2017, based on data from the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2017. Methods We modelled mortality due to IBD using a standard Cause of Death Ensemble model including data mainly from vital registrations. To estimate the non-fatal burden, we used data presented in primary studies, hospital discharges, and claims data, and used DisMod-MR 2.1, a Bayesian meta-regression tool, to ensure consistency between measures. Mortality, prevalence, years of life lost (YLLs) due to premature death, years lived with disability (YLDs), and disability-adjusted life-years (DALYs) were estimated. All of the estimates were reported as numbers and rates per 100 000 population, with 95% uncertainty intervals (UI). Findings In 2017, there were 6·8 million (95% UI 6·4–7·3) cases of IBD globally. The age-standardised prevalence rate increased from 79·5 (75·9–83·5) per 100 000 population in 1990 to 84·3 (79·2–89·9) per 100 000 population in 2017. The age-standardised death rate decreased from 0·61 (0·55–0·69) per 100 000 population in 1990 to 0·51 (0·42–0·54) per 100 000 population in 2017. At the GBD regional level, the highest age-standardised prevalence rate in 2017 occurred in high-income North America (422·0 [398·7–446·1] per 100 000) and the lowest age-standardised prevalence rates were observed in the Caribbean (6·7 [6·3–7·2] per 100 000 population). High Socio-demographic Index (SDI) locations had the highest age-standardised prevalence rate, while low SDI regions had the lowest age-standardised prevalence rate. At the national level, the USA had the highest age-standardised prevalence rate (464·5 [438·6–490·9] per 100 000 population), followed by the UK (449·6 [420·6–481·6] per 100 000). Vanuatu had the highest age-standardised death rate in 2017 (1·8 [0·8–3·2] per 100 000 population) and Singapore had the lowest (0·08 [0·06–0·14] per 100 000 population). The total YLDs attributed to IBD almost doubled over the study period, from 0·56 million (0·39–0·77) in 1990 to 1·02 million (0·71–1·38) in 2017. The age-standardised rate of DALYs decreased from 26·5 (21·0–33·0) per 100 000 population in 1990 to 23·2 (19·1–27·8) per 100 000 population in 2017. Interpretation The prevalence of IBD increased substantially in many regions from 1990 to 2017, which might pose a substantial social and economic burden on governments and health systems in the coming years. Our findings can be useful for policy makers developing strategies to tackle IBD, including the education of specialised personnel to address the burden of this complex disease. Funding Bill & Melinda Gates Foundation.
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19
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Selvin J, Lanong S, Syiem D, De Mandal S, Kayang H, Kumar NS, Kiran GS. Culture-dependent and metagenomic analysis of lesser horseshoe bats' gut microbiome revealing unique bacterial diversity and signatures of potential human pathogens. Microb Pathog 2019; 137:103675. [PMID: 31473248 PMCID: PMC7127535 DOI: 10.1016/j.micpath.2019.103675] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 08/15/2019] [Accepted: 08/19/2019] [Indexed: 12/26/2022]
Abstract
Bats are highly diverse and ecologically important mammals. They harbor various bacteria, viruses, and fungal communities that are either beneficial or potentially pathogenic. Extensive metagenomic studies in bats are limited, particularly for the gut, and to date, there are no reports on the bacterial diversity of Rhinolophus monoceros from Meghalaya, India. There are limited studies on the isolation of potential harmful or beneficial bacteria and their interactions with the environment through culture-dependent approaches. Therefore, high-throughput screening was used to understand the population structure, genetic diversity, and ecological role of the microorganisms. High-throughput sequencing of the 16S rRNA marker for gene mapping showed that the gut samples constitute a diverse group of bacteria that is dominated by Proteobacteria, followed by Firmicutes. The bacterial genera Corynebacterium and Mycobacterium were also observed in the Illumina dataset. Illumina sequencing revealed eight bacterial phyla composed of 112 genera. The metagenomic analysis of the OTUs from the gut revealed diverse bacterial communities as well as zoonotic and human pathogens. There were differences in the bacterial communities between the two methods used in this study, which could be related to host specificity, diet, and habitat. The culture-dependent technique resulted in the isolation of 35 bacterial isolates, of which Bacillus cereus and B. anthracis are well-known bacterial pathogens that show virulent traits including hemolytic and proteolytic activities. Pseudomonas stutzeri is an opportunistic human pathogen that was also isolated and showed similar traits. Antibiotic sensitivity tests were performed on all 35 isolates, and different antibiotics were used for Gram-positive and -negative bacteria. The result showed that some isolates are resistant to antibiotics such as penicillin G and Cefoxitin. This report on gut bacterial communities could attract interest in the possibility of isolating and characterizing bacteria for the production of antibiotics, enzymes, plant growth promoters, and probiotics. However, the presence of potential pathogenic bacteria that may impose health hazards cannot be ignored and needs to be studied further.
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Affiliation(s)
- Joseph Selvin
- Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry, 605014, India.
| | - Sheryl Lanong
- Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry, 605014, India
| | - Donkupar Syiem
- Department of Biochemistry, North Eastern Hill University, Shillong, 793022, India
| | - Surajit De Mandal
- Department of Biotechnology, Mizoram University, Aizawl, 796004, India; College of Agriculture, South China Agricultural University, Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, Guangzhou, 510642, PR China
| | - Highland Kayang
- Department of Botany, North Eastern Hill University, Shillong, 793022, India
| | | | - G Seghal Kiran
- Department of Food science and Technology, Pondicherry University, Puducherry, 605014, India
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20
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Leroux LP, Nasr M, Valanparambil R, Tam M, Rosa BA, Siciliani E, Hill DE, Zarlenga DS, Jaramillo M, Weinstock JV, Geary TG, Stevenson MM, Urban JF, Mitreva M, Jardim A. Analysis of the Trichuris suis excretory/secretory proteins as a function of life cycle stage and their immunomodulatory properties. Sci Rep 2018; 8:15921. [PMID: 30374177 PMCID: PMC6206011 DOI: 10.1038/s41598-018-34174-4] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 10/12/2018] [Indexed: 12/21/2022] Open
Abstract
Parasitic worms have a remarkable ability to modulate host immune responses through several mechanisms including excreted/secreted proteins (ESP), yet the exact nature of these proteins and their targets often remains elusive. Here, we performed mass spectrometry analyses of ESP (TsESP) from larval and adult stages of the pig whipworm Trichuris suis (Ts) and identified ~350 proteins. Transcriptomic analyses revealed large subsets of differentially expressed genes in the various life cycle stages of the parasite. Exposure of bone marrow-derived macrophages and dendritic cells to TsESP markedly diminished secretion of the pro-inflammatory cytokines TNFα and IL-12p70. Conversely, TsESP exposure strongly induced release of the anti-inflammatory cytokine IL-10, and also induced high levels of nitric oxide (NO) and upregulated arginase activity in macrophages. Interestingly, TsESP failed to directly induce CD4+ CD25+ FoxP3+ regulatory T cells (Treg cells), while OVA-pulsed TsESP-treated dendritic cells suppressed antigen-specific OT-II CD4+ T cell proliferation. Fractionation of TsESP identified a subset of proteins that promoted anti-inflammatory functions, an activity that was recapitulated using recombinant T. suis triosephosphate isomerase (TPI) and nucleoside diphosphate kinase (NDK). Our study helps illuminate the intricate balance that is characteristic of parasite-host interactions at the immunological interface, and further establishes the principle that specific parasite-derived proteins can modulate immune cell functions.
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Affiliation(s)
- Louis-Philippe Leroux
- Institute of Parasitology McGill University, Sainte-Anne-de-Bellevue, QC, Canada
- Centre for Host-Parasite Interaction (CHPI), Montreal, Canada
- Institut National de la Recherche Scientifique (INRS)-Institut Armand-Frappier (IAF), Laval, QC, Canada
| | - Mohamad Nasr
- Institute of Parasitology McGill University, Sainte-Anne-de-Bellevue, QC, Canada
- Centre for Host-Parasite Interaction (CHPI), Montreal, Canada
| | - Rajesh Valanparambil
- Centre for Host-Parasite Interaction (CHPI), Montreal, Canada
- Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, QC, Canada
| | - Mifong Tam
- Centre for Host-Parasite Interaction (CHPI), Montreal, Canada
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Bruce A Rosa
- McDonnell Genome Institute, Washington University in, St. Louis, MO, USA
| | - Elizabeth Siciliani
- Institute of Parasitology McGill University, Sainte-Anne-de-Bellevue, QC, Canada
| | - Dolores E Hill
- United States Department of Agriculture, Beltsville, MD, USA
| | | | - Maritza Jaramillo
- Centre for Host-Parasite Interaction (CHPI), Montreal, Canada
- Institut National de la Recherche Scientifique (INRS)-Institut Armand-Frappier (IAF), Laval, QC, Canada
| | - Joel V Weinstock
- Division of Gastroenterology-Hepatology, Department of Internal Medicine, Tufts Medical Center, Boston, MA, USA
| | - Timothy G Geary
- Institute of Parasitology McGill University, Sainte-Anne-de-Bellevue, QC, Canada
- Centre for Host-Parasite Interaction (CHPI), Montreal, Canada
| | - Mary M Stevenson
- Centre for Host-Parasite Interaction (CHPI), Montreal, Canada
- Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, QC, Canada
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Joseph F Urban
- United States Department of Agriculture, Beltsville, MD, USA
| | - Makedonka Mitreva
- McDonnell Genome Institute, Washington University in, St. Louis, MO, USA
- Division of Infectious Diseases, Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Armando Jardim
- Institute of Parasitology McGill University, Sainte-Anne-de-Bellevue, QC, Canada.
- Centre for Host-Parasite Interaction (CHPI), Montreal, Canada.
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21
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Lim SZ, Chua EW. Revisiting the Role of Thiopurines in Inflammatory Bowel Disease Through Pharmacogenomics and Use of Novel Methods for Therapeutic Drug Monitoring. Front Pharmacol 2018; 9:1107. [PMID: 30349479 PMCID: PMC6186994 DOI: 10.3389/fphar.2018.01107] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 09/10/2018] [Indexed: 12/12/2022] Open
Abstract
Azathioprine and 6-mercaptopurine, often referred to as thiopurine compounds, are commonly used in the management of inflammatory bowel disease. However, patients receiving these drugs are prone to developing adverse drug reactions or therapeutic resistance. Achieving predefined levels of two major thiopurine metabolites, 6-thioguanine nucleotides and 6-methylmercaptopurine, is a long-standing clinical practice in ensuring therapeutic efficacy; however, their correlation with treatment response is sometimes unclear. Various genetic markers have also been used to aid the identification of patients who are thiopurine-sensitive or refractory. The recent discovery of novel Asian-specific DNA variants, namely those in the NUDT15 gene, and their link to thiopurine toxicity, have led clinicians and scientists to revisit the utility of Caucasian biomarkers for Asian individuals with inflammatory bowel disease. In this review, we explore the limitations associated with the current methods used for therapeutic monitoring of thiopurine metabolites and how the recent discovery of ethnicity-specific genetic markers can complement thiopurine metabolites measurement in formulating a strategy for more accurate prediction of thiopurine response. We also discuss the challenges in thiopurine therapy, alongside the current strategies used in patients with reduced thiopurine response. The review is concluded with suggestions for future work aiming at using a more comprehensive approach to optimize the efficacy of thiopurine compounds in inflammatory bowel disease.
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Affiliation(s)
| | - Eng Wee Chua
- Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
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22
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de Vries EM, Wang J, Williamson KD, Leeflang MM, Boonstra K, Weersma RK, Beuers U, Chapman RW, Geskus RB, Ponsioen CY. A novel prognostic model for transplant-free survival in primary sclerosing cholangitis. Gut 2018; 67:1864-1869. [PMID: 28739581 PMCID: PMC6145288 DOI: 10.1136/gutjnl-2016-313681] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 06/09/2017] [Accepted: 06/15/2017] [Indexed: 12/17/2022]
Abstract
OBJECTIVE Most prognostic models for primary sclerosing cholangitis (PSC) are based on patients referred to tertiary care and may not be applicable for the majority of patients with PSC. The aim of this study was to construct and externally validate a novel, broadly applicable prognostic model for transplant-free survival in PSC, based on a large, predominantly population-based cohort using readily available variables. DESIGN The derivation cohort consisted of 692 patients with PSC from the Netherlands, the validation cohort of 264 patients with PSC from the UK. Retrospectively, clinical and biochemical variables were collected. We derived the prognostic index from a multivariable Cox regression model in which predictors were selected and parameters were estimated using the least absolute shrinkage and selection operator. The composite end point of PSC-related death and liver transplantation was used. To quantify the models' predictive value, we calculated the C-statistic as discrimination index and established its calibration accuracy by comparing predicted curves with Kaplan-Meier estimates. RESULTS The final model included the variables: PSC subtype, age at PSC diagnosis, albumin, platelets, aspartate aminotransferase, alkaline phosphatase and bilirubin. The C-statistic was 0.68 (95% CI 0.51 to 0.85). Calibration was satisfactory. The model was robust in the sense that the C-statistic did not change when prediction was based on biochemical variables collected at follow-up. CONCLUSION The Amsterdam-Oxford model for PSC showed adequate performance in estimating PSC-related death and/or liver transplant in a predominantly population-based setting. The transplant-free survival probability can be recalculated when updated biochemical values are available.
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Affiliation(s)
- Elisabeth M de Vries
- Department of Gastroenterology & Hepatology, Academic Medical Center, Amsterdam, The Netherlands
| | - Junfeng Wang
- Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Amsterdam Public Health Research Institute, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
| | - Kate D Williamson
- Nuffield Department of Medicine, University of Oxford, Oxford, UK,Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford, Oxfordshire, UK
| | - Mariska M Leeflang
- Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Amsterdam Public Health Research Institute, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
| | - Kirsten Boonstra
- Department of Gastroenterology & Hepatology, Academic Medical Center, Amsterdam, The Netherlands
| | - Rinse K Weersma
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, Groningen, The Netherlands
| | - Ulrich Beuers
- Department of Gastroenterology & Hepatology, Academic Medical Center, Amsterdam, The Netherlands
| | - Roger W Chapman
- Nuffield Department of Medicine, University of Oxford, Oxford, UK,Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford, Oxfordshire, UK
| | - Ronald B Geskus
- Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Amsterdam Public Health Research Institute, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands,Nuffield Department of Medicine, University of Oxford, Oxford, UK,Oxford University Clinical Research Unit, Wellcome Trust Major Overseas Programme, Ho Chi Minh City, Vietnam
| | - Cyriel Y Ponsioen
- Department of Gastroenterology & Hepatology, Academic Medical Center, Amsterdam, The Netherlands
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Caviezel D, Maissen S, Niess JH, Kiss C, Hruz P. High Prevalence of Vitamin D Deficiency among Patients with Inflammatory Bowel Disease. Inflamm Intest Dis 2018; 2:200-210. [PMID: 30221147 DOI: 10.1159/000489010] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 04/04/2018] [Indexed: 12/14/2022] Open
Abstract
Background Vitamin D is a hormone with immunomodulatory properties. Vitamin D deficiency has been reported for patients with inflammatory bowel disease (IBD). In this cross-sectional study, 25-hydroxyvitamin D3 (25-OH-D3) levels in patients with IBD were compared to those in patients with irritable bowel syndrome (IBS). Methods A total of 181 patients, 156 with IBD and 25 with IBS, were included. The influence of disease activity, inflammatory markers, physical activity, and season were assessed. Results A total of 58.6$ (n = 58) of the patients with Crohn's disease (CD) and 44.6$ (n = 25) of the patients with ulcerative colitis (UC) had a 25-OH-D3 level < 50 nmol/L. CD patients showed significantly decreased 25-OH-D3 levels compared to the IBS patients (p = 0.018), but no significant difference was found for UC patients. In a linear regression model adjusted for age, gender, and BMI, a significant inverse association of C-reactive protein (CRP) (p = 0.031) and faecal calprotectin (FC) (p = 0.025) with 25-OH-D3 levels was observed for CD patients. Seasonal variation in 25-OH-D3 levels was found in CD patients, with significantly lower values in spring than in summer (p = 0.04). Conclusion Vitamin D deficiency was common in all IBD patients, but more pronounced in CD patients, in whom it also showed a significant inverse association with inflammatory markers such as CRP and FC.
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Affiliation(s)
- Daniel Caviezel
- Department of Gastroenterology and Hepatology, University Hospital Basel, Basel, Switzerland
| | - Silvia Maissen
- Department of Nutrition, University Hospital Basel, Basel, Switzerland
| | - Jan Hendrik Niess
- Department of Gastroenterology and Hepatology, University Hospital Basel, Basel, Switzerland
| | - Caroline Kiss
- Department of Nutrition, University Hospital Basel, Basel, Switzerland
| | - Petr Hruz
- Department of Gastroenterology and Hepatology, University Hospital Basel, Basel, Switzerland
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Kaur CP, Vadivelu J, Chandramathi S. Impact of Klebsiella pneumoniae in lower gastrointestinal tract diseases. J Dig Dis 2018; 19:262-271. [PMID: 29573336 DOI: 10.1111/1751-2980.12595] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 01/26/2018] [Accepted: 03/19/2018] [Indexed: 12/11/2022]
Abstract
The 2016 Global Burden of Disease report by WHO revealed that diseases of the gastrointestinal tract (GIT) had one of the highest incidence rates worldwide. The plethora of factors that contribute to the development of GIT-related illnesses can be divided into genetic, environmental and lifestyle factors. Apart from that, the role that infectious agents play in the development of GIT diseases has piqued the interest of researchers worldwide. The human gut harbors approximately 1014 bacteria in it with increasing concentration toward the lower GIT. Among the various microbiota that colonize the human gut, Gram-negative bacteria have been most notoriously linked to GIT-related diseases such as inflammatory bowel disease (IBD) including Crohn's disease and ulcerative colitis and colorectal cancer (CRC). Some of the notable culprits that have been attributed to these diseases are Bacteroides fragilis, Fusobacterium nucleatum, Escherichia coli and Helicobacter pylori. However, studies in recent years are beginning to recognize a new player, Klebsiella pneumoniae (K. pneumoniae) in the causation and progression of GIT diseases. Once synonymous with infections and diseases of the upper respiratory tract, K. pneumoniae has now emerged as one of the pathogens commonly isolated from patients with GIT diseases. However, extensive studies attributing K. pneumoniae to GIT diseases, particularly that of CRC are scanty. Therefore, this review intends to shed light on the association of K. pneumoniae in gastrointestinal diseases such as Crohn's disease, ulcerative colitis as well as CRC.
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Affiliation(s)
- Christina Parvinder Kaur
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Jamuna Vadivelu
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Samudi Chandramathi
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
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Delahoy MJ, Wodnik B, McAliley L, Penakalapati G, Swarthout J, Freeman MC, Levy K. Pathogens transmitted in animal feces in low- and middle-income countries. Int J Hyg Environ Health 2018; 221:661-676. [PMID: 29729998 PMCID: PMC6013280 DOI: 10.1016/j.ijheh.2018.03.005] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 02/20/2018] [Accepted: 03/14/2018] [Indexed: 02/04/2023]
Abstract
Animals found in close proximity to humans in low-and middle-income countries (LMICs) harbor many pathogens capable of infecting humans, transmissible via their feces. Contact with animal feces poses a currently unquantified-though likely substantial-risk to human health. In LMIC settings, human exposure to animal feces may explain some of the limited success of recent water, sanitation, and hygiene interventions that have focused on limiting exposure to human excreta, with less attention to containing animal feces. We conducted a review to identify pathogens that may substantially contribute to the global burden of disease in humans through their spread in animal feces in the domestic environment in LMICs. Of the 65 potentially pathogenic organisms considered, 15 were deemed relevant, based on burden of disease and potential for zoonotic transmission. Of these, five were considered of highest concern based on a substantial burden of disease for which transmission in animal feces is potentially important: Campylobacter, non-typhoidal Salmonella (NTS), Lassa virus, Cryptosporidium, and Toxoplasma gondii. Most of these have a wide range of animal hosts, except Lassa virus, which is spread through the feces of rats indigenous to sub-Saharan Africa. Combined, these five pathogens cause close to one million deaths annually. More than half of these deaths are attributed to invasive NTS. We do not estimate an overall burden of disease from improperly managed animal feces in LMICs, because it is unknown what proportion of illnesses caused by these pathogens can be attributed to contact with animal feces. Typical water quantity, water quality, and handwashing interventions promoted in public health and development address transmission routes for both human and animal feces; however, sanitation interventions typically focus on containing human waste, often neglecting the residual burden of disease from pathogens transmitted via animal feces. This review compiles evidence on which pathogens may contribute to the burden of disease through transmission in animal feces; these data will help prioritize intervention types and regions that could most benefit from interventions aimed at reducing human contact with animal feces.
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Affiliation(s)
- Miranda J Delahoy
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Breanna Wodnik
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Lydia McAliley
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Gauthami Penakalapati
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Jenna Swarthout
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Matthew C Freeman
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Karen Levy
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA.
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Morais SB, Figueiredo BC, Assis NRG, Alvarenga DM, de Magalhães MTQ, Ferreira RS, Vieira AT, Menezes GB, Oliveira SC. Schistosoma mansoni SmKI-1 serine protease inhibitor binds to elastase and impairs neutrophil function and inflammation. PLoS Pathog 2018; 14:e1006870. [PMID: 29425229 PMCID: PMC5823468 DOI: 10.1371/journal.ppat.1006870] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 02/22/2018] [Accepted: 01/09/2018] [Indexed: 12/27/2022] Open
Abstract
Protease inhibitors have important function during homeostasis, inflammation and tissue injury. In this study, we described the role of Schistosoma mansoni SmKI-1 serine protease inhibitor in parasite development and as a molecule capable of regulating different models of inflammatory diseases. First, we determine that recombinant (r) SmKI-1 and its Kunitz domain but not the C-terminal region possess inhibitory activity against trypsin and neutrophil elastase (NE). To better understand the molecular basis of NE inhibition by SmKI-1, molecular docking studies were also conducted. Docking results suggest a complete blockage of NE active site by SmKI-1 Kunitz domain. Additionally, rSmKI-1 markedly inhibited the capacity of NE to kill schistosomes. In order to further investigate the role of SmKI-1 in the parasite, we designed specific siRNA to knockdown SmKI-1 in S. mansoni. SmKI-1 gene suppression in larval stage of S. mansoni robustly impact in parasite development in vitro and in vivo. To determine the ability of SmKI-1 to interfere with neutrophil migration and function, we tested SmKI-1 anti-inflammatory potential in different murine models of inflammatory diseases. Treatment with SmKI-1 rescued acetaminophen (APAP)-mediated liver damage, with a significant reduction in both neutrophil recruitment and elastase activity. In the model of gout arthritis, this protein reduced neutrophil accumulation, IL-1β secretion, hypernociception, and overall pathological score. Finally, we demonstrated the ability of SmKI-1 to inhibit early events that trigger neutrophil recruitment in pleural cavities of mice in response to carrageenan. In conclusion, SmKI-1 is a key protein in S. mansoni survival and it has the ability to inhibit neutrophil function as a promising therapeutic molecule against inflammatory diseases. Schistosoma mansoni is one of the main agents of schistosomiasis, which is the most important human helminthic infection in terms of global morbidity and mortality. Although schistosomiasis represents a major public health problem in endemic countries, evidences show that S. mansoni downregulates inflammatory responses in many diseases. Fortunately, the control of inflammatory responses is extended to pathogen-derived antigens, leading us to study one S. mansoni Kunitz type protease inhibitor (SmKI-1), found in larval and adult phases of the parasite. We demonstrate that SmKI-1 inhibits trypsin and neutrophil elastase (NE). Additionally, live parasites that SmKI-1 gene has been suppressed using siRNA displayed an impaired schistosome development both in vitro and in vivo. Further, we demonstrate that SmKI-1 possesses an anti-inflammatory potential in three different murine models of inflammatory diseases: acetaminophen (APAP)-mediated liver damage, gout arthritis, and pleural inflammation in response to carrageenan. In these inflammatory disease models, we evaluated SmKI-1 effect on neutrophil and our results demonstrate this molecule is able to inhibit neutrophil migration and function, regulating inflammation. Thus, our data suggest that SmKI-1 is a promising therapeutic molecule against inflammatory diseases.
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Affiliation(s)
- Suellen B. Morais
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
- Instituto Nacional de Ciência e Tecnologia em Doenças Tropicais (INCT-DT), Conselho Nacional de Desenvolvimento Científico e Tecnológico, Ministério de Ciência Tecnologia e Inovação Salvador, Bahia, Brazil
| | - Barbara C. Figueiredo
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
- Instituto Nacional de Ciência e Tecnologia em Doenças Tropicais (INCT-DT), Conselho Nacional de Desenvolvimento Científico e Tecnológico, Ministério de Ciência Tecnologia e Inovação Salvador, Bahia, Brazil
- Departamento de Bioquímica e Biofísica, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Bahia, Brazil
| | - Natan R. G. Assis
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
- Instituto Nacional de Ciência e Tecnologia em Doenças Tropicais (INCT-DT), Conselho Nacional de Desenvolvimento Científico e Tecnológico, Ministério de Ciência Tecnologia e Inovação Salvador, Bahia, Brazil
| | - Debora M. Alvarenga
- Centro de Biologia Gastrointestinal, Departamento de Morfologia do Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Mariana T. Q. de Magalhães
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Rafaela S. Ferreira
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Angélica T. Vieira
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Gustavo B. Menezes
- Centro de Biologia Gastrointestinal, Departamento de Morfologia do Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Sergio C. Oliveira
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
- Instituto Nacional de Ciência e Tecnologia em Doenças Tropicais (INCT-DT), Conselho Nacional de Desenvolvimento Científico e Tecnológico, Ministério de Ciência Tecnologia e Inovação Salvador, Bahia, Brazil
- * E-mail:
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Alrefai D, Jones J, El-Matary W, Whiting SJ, Aljebreen A, Mirhosseini N, Vatanparast H. The Association of Vitamin D Status with Disease Activity in a Cohort of Crohn's Disease Patients in Canada. Nutrients 2017; 9:nu9101112. [PMID: 29023388 PMCID: PMC5691728 DOI: 10.3390/nu9101112] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 09/28/2017] [Accepted: 10/06/2017] [Indexed: 02/07/2023] Open
Abstract
We determined the association between vitamin D status as 25hydroxyvitamin D [25(OH)D] and disease activity in a cohort of 201 Crohn’s Disease (CD) patients in Saskatoon, Canada over three years. The association between high-sensitivity C-reactive protein (hs-CRP) and 25(OH)D and several disease predictors were evaluated by the generalized estimating equation (GEE) over three time-point measurements. A GEE binary logistic regression test was used to evaluate the association between vitamin D status and the Harvey-Bradshaw Index (HBI). The deficient vitamin D group (≤29 nmol/L) had significantly higher mean hs-CRP levels compared with the three other categories of vitamin D status (p < 0.05). CRP was significantly lower in all of the other groups compared with the vitamin D-deficient group, which had Coef. = 12.8 units lower (95% CI −19.8, −5.8), Coef. 7.85 units (95% CI −14.9, −0.7), Coef. 9.87 units (95% CI −17.6, −2.0) for the vitamin D insufficient, adequate, and optimal groups, respectively. The vitamin D status was associated with the HBI active disease category. However, the difference in the odds ratio compared with the reference category of deficient vitamin D category was only significant in the insufficient category (odds ratio = 3.45, p = 0.03, 95% CI 1.0, 10.8). Vitamin D status was inversely associated with indicators of disease activity in Crohn’s disease, particularly with the objective measures of inflammation.
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Affiliation(s)
- Dania Alrefai
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK S7N 5C9, Canada.
| | - Jennifer Jones
- Division of Digestive Care & Endoscopy, Department of Community Health and Epidemiology, Dalhousie University, Truro, NS B2N 5E3, Canada.
| | - Wael El-Matary
- College of Medicine, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
| | - Susan J Whiting
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK S7N 5C9, Canada.
| | | | | | - Hassan Vatanparast
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK S7N 5C9, Canada.
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Robertson RE, Cerf O, Condron RJ, Donaghy JA, Heggum C, Jordan K. Review of the controversy over whether or not Mycobacterium avium subsp. paratuberculosis poses a food safety risk with pasteurised dairy products. Int Dairy J 2017. [DOI: 10.1016/j.idairyj.2017.04.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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29
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Kim HS, Lee C, Kim WH, Maeng YH, Jang BG. Expression profile of intestinal stem cell markers in colitis-associated carcinogenesis. Sci Rep 2017; 7:6533. [PMID: 28747693 PMCID: PMC5529509 DOI: 10.1038/s41598-017-06900-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 06/20/2017] [Indexed: 01/13/2023] Open
Abstract
The intestinal epithelium has two distinct two stem cell populations, namely, crypt base columnar (CBC) cells and +4 cells. Several specific markers have been identified for each stem cell population. In this study, we examined the expression profiles of these markers in colitis-associated carcinogenesis (CAC) to investigate whether they can be used as biomarkers for the early detection of dysplasia. The expression of intestinal stem cell (ISC) markers was measured by real-time polymerase chain reaction during CAC that was induced by azoxymethane and dextran sodium sulfate treatment. CBC stem cell markers increased continuously with tumor development, whereas a +4 cell expression profile was not present. CBC stem cell population was suppressed in the acute colitis and then expanded to repopulate the crypts during the regeneration period. Notably, RNA in situ hybridization revealed that all dysplasia and cancer samples showed increased expression of CBC stem cell markers in more than one-third of the tumor height, whereas regenerative glands had CBC stem cell markers confined to the lower one-third of the crypt. These results suggest that CBC stem cell markers could be a useful tool for the early detection of colitis-induced tumors.
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Affiliation(s)
- Hye Sung Kim
- Department of Pathology, Jeju National University School of Medicine, Jeju, 690-767, Korea
| | - Cheol Lee
- Department of Pathology, Seoul National University College of Medicine, Seoul, 110-799, Korea
| | - Woo Ho Kim
- Department of Pathology, Seoul National University College of Medicine, Seoul, 110-799, Korea
| | - Young Hee Maeng
- Department of Pathology, Jeju National University School of Medicine, Jeju, 690-767, Korea.
| | - Bo Gun Jang
- Department of Pathology, Jeju National University School of Medicine, Jeju, 690-767, Korea.
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30
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Feng JR, Qiu X, Wang F, Chen PF, Gao Q, Peng YN, Lin X, Liu Q, Liu J, Zhao Q, Li J. Diagnostic Value of Neutrophil-to-Lymphocyte Ratio and Platelet-to-Lymphocyte Ratio in Crohn's Disease. Gastroenterol Res Pract 2017; 2017:3526460. [PMID: 28798770 PMCID: PMC5535728 DOI: 10.1155/2017/3526460] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 05/16/2017] [Accepted: 05/31/2017] [Indexed: 12/12/2022] Open
Abstract
The aim of this study is to investigate the diagnostic efficacy of neutrophil-to-lymphocyte ratio (NLR), neutrophil-to-monocyte ratio (NMR), lymphocyte-to-monocyte ratio (LMR), and platelet-to-lymphocyte ratio (PLR) in patients with Crohn's disease (CD) and non-CD controls. These ratios were all derived from complete blood counts. Two hundred and six participants including CD inpatients and non-CD controls were retrospectively enrolled. We found statistically higher NLR and PLR and lower LMR in CD patients than in non-CD controls (all P < 0.01). However, NMR was not different between the two groups (P = 0.18). In addition, NLR, PLR, and LMR were associated with CRP and ESR. Optimal cutoffs for NLR and PLR were 2.72 (sensitivity: 68.3%, specificity: 75.9%, and overall accuracy: 70.1%) and 132.88 (sensitivity: 76.7%, specificity: 84.8%, and overall accuracy: 80.8%), respectively. In conclusion, the NLR and PLR might be effective, readily available, and low-cost biomarkers for differentiating CD patients from non-CD controls.
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Affiliation(s)
- Jue-Rong Feng
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Xiao Qiu
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Fan Wang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Peng-Fei Chen
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Qian Gao
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Ya-Nan Peng
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Xue Lin
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Qing Liu
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Jing Liu
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Qiu Zhao
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Jin Li
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
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Varyani F, Fleming JO, Maizels RM. Helminths in the gastrointestinal tract as modulators of immunity and pathology. Am J Physiol Gastrointest Liver Physiol 2017; 312:G537-G549. [PMID: 28302598 PMCID: PMC5495915 DOI: 10.1152/ajpgi.00024.2017] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 03/06/2017] [Accepted: 03/12/2017] [Indexed: 01/31/2023]
Abstract
Helminth parasites are highly prevalent in many low- and middle-income countries, in which inflammatory bowel disease and other immunopathologies are less frequent than in the developed world. Many of the most common helminths establish themselves in the gastrointestinal tract and can exert counter-inflammatory influences on the host immune system. For these reasons, interest has arisen as to how parasites may ameliorate intestinal inflammation and whether these organisms, or products they release, could offer future therapies for immune disorders. In this review, we discuss interactions between helminth parasites and the mucosal immune system, as well as the progress being made toward identifying mechanisms and molecular mediators through which it may be possible to attenuate pathology in the intestinal tract.
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Affiliation(s)
- Fumi Varyani
- 1Wellcome Centre for Molecular Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom; ,2Edinburgh Clinical Academic Track, Western General Hospital, University of Edinburgh, Edinburgh, United Kingdom; and
| | - John O. Fleming
- 3Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Rick M. Maizels
- 1Wellcome Centre for Molecular Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom;
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Haque SZ, Haque M. The ecological community of commensal, symbiotic, and pathogenic gastrointestinal microorganisms - an appraisal. Clin Exp Gastroenterol 2017; 10:91-103. [PMID: 28503071 PMCID: PMC5426469 DOI: 10.2147/ceg.s126243] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The human gastrointestinal tract is inhabited by a vast population of bacteria, numbering ~100 trillion. These microorganisms have been shown to play a significant role in digestion, metabolism, and the immune system. The aim of this study was to review and discuss how the human body interacts with its gut microbiome and in turn the effects that the microorganisms have on its host, overall resulting in a true mutualistic relationship.
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Affiliation(s)
- Seraj Zohurul Haque
- School of Medicine, University of Dundee, Ninewells Hospital and Medical School, Dundee, Scotland, UK
| | - Mainul Haque
- Unit of Pharmacology, Faculty of Medicine and Defense Health, National Defense University of Malaysia, Kem Sungai Besi, Kuala Lumpur, Malaysia
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Abstract
BACKGROUND Although perianal complications of Crohn disease (CD) are commonly encountered in clinical practice, the epidemiology of perianal CD among populations of children is poorly understood. We sought to characterize the prevalence of perianal disease in a large and diverse population of pediatric patients with CD. METHODS We conducted retrospective analyses from a prospective observational cohort, the ImproveCareNow Network (May 2006-October 2014), a multicenter pediatric inflammatory bowel disease quality improvement collaborative. Clinicians prospectively documented physical examination and phenotype classification at outpatient visits. Perianal examination findings and concomitant phenotype change were used to corroborate time of new-onset perianal disease. Results were stratified by age, sex, and race and compared across groups with logistic regression. Cumulative incidence was estimated using Kaplan-Meier analyses and compared between groups with Cox proportional hazard regression models. RESULTS The registry included 7076 patients with CD (41% girls). Missing/conflicting entries resulted in 397 (6%) patient exclusions. Among the remaining 6679 cases, 1399 (21%) developed perianal disease. Perianal disease was more common among boys (22%) than girls (20%; P = 0.013) and developed sooner after diagnosis among those with later rather than early onset disease (P < 0.001). Perianal disease was also more common among blacks (26%) compared with whites (20%; P = 0.017). Asians with later onset CD developed perianal disease earlier in their disease course (P = 0.01). There was no association between disease location or nutritional status at diagnosis and later development of perianal disease. CONCLUSIONS In this large multicenter collaborative, we found that perianal disease is more common among children with CD than previously recognized. Differences in the development of perianal disease were found across racial and other subgroups. Treatment strategies are needed to prevent perianal disease development.
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Gam R, Shah P, Crossland RE, Norden J, Dickinson AM, Dressel R. Genetic Association of Hematopoietic Stem Cell Transplantation Outcome beyond Histocompatibility Genes. Front Immunol 2017; 8:380. [PMID: 28421078 PMCID: PMC5377073 DOI: 10.3389/fimmu.2017.00380] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 03/16/2017] [Indexed: 12/18/2022] Open
Abstract
The outcome of hematopoietic stem cell transplantation (HSCT) is controlled by genetic factors among which the leukocyte antigen human leukocyte antigen (HLA) matching is most important. In addition, minor histocompatibility antigens and non-HLA gene polymorphisms in genes controlling immune responses are known to contribute to the risks associated with HSCT. Besides single-nucleotide polymorphisms (SNPs) in protein coding genes, SNPs in regulatory elements such as microRNAs (miRNAs) contribute to these genetic risks. However, genetic risks require for their realization the expression of the respective gene or miRNA. Thus, gene and miRNA expression studies may help to identify genes and SNPs that indeed affect the outcome of HSCT. In this review, we summarize gene expression profiling studies that were performed in recent years in both patients and animal models to identify genes regulated during HSCT. We discuss SNP–mRNA–miRNA regulatory networks and their contribution to the risks associated with HSCT in specific examples, including forkheadbox protein 3 and regulatory T cells, the role of the miR-155 and miR-146a regulatory network for graft-versus-host disease, and the function of MICA and its receptor NKG2D for the outcome of HSCT. These examples demonstrate how SNPs affect expression or function of proteins that modulate the alloimmune response and influence the outcome of HSCT. Specific miRNAs targeting these genes and directly affecting expression of mRNAs are identified. It might be valuable in the future to determine SNPs and to analyze miRNA and mRNA expression in parallel in cohorts of HSCT patients to further elucidate genetic risks of HSCT.
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Affiliation(s)
- Rihab Gam
- Hematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Pranali Shah
- Institute of Cellular and Molecular Immunology, University Medical Centre Göttingen, Göttingen, Germany
| | - Rachel E Crossland
- Hematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Jean Norden
- Hematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Anne M Dickinson
- Hematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Ralf Dressel
- Institute of Cellular and Molecular Immunology, University Medical Centre Göttingen, Göttingen, Germany
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Pediatric Crohn Disease Clinical Outcome Assessments and Biomarkers: Current State and Path Forward for Global Collaboration. J Pediatr Gastroenterol Nutr 2017; 64:368-372. [PMID: 27253661 DOI: 10.1097/mpg.0000000000001284] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE There is a pressing need for drug development in pediatric Crohn disease (CD). Our aim was to provide strategic approaches toward harmonization of current thinking about clinical outcome assessments (COAs) and biomarkers to facilitate drug development in pediatric CD. METHODS Scientists from the United States Food and Drug Administration, European Medicines Agency, Health Canada, and the Pharmaceuticals and Medical Devices Agency of Japan had monthly teleconferences from January 2014 through May 2015. A literature review was conducted to assess the measurement properties of all existing COA tools and to evaluate the current landscape of biomarkers used in pediatric CD. Based on the findings of literature review, we reached the consensus on the strategic approaches for evaluating outcomes in pediatric CD trials. RESULTS The pediatric Crohn's Disease Activity Index, Crohn's Disease Activity Index, and Harvey-Bradshaw's index were used in pediatric CD clinical studies. But they lack adequate measurement properties (validity, reliability, and ability to detect change of the treatment) that are required to support approval of products intended to treat pediatric CD. Biomarkers (ie, fecal lactoferrin, osteoprotegerin, and calprotectin) have shown some promise for their potential as noninvasive surrogate endpoints in CD. CONCLUSIONS Lack of well-defined and reliable COAs presents a hurdle for global drug development in pediatric CD. It is essential to develop well-defined and reliable COAs that can measure meaningful clinical benefit for patients in terms of how they feel, function, and survive. Development of noninvasive biomarkers as reliable surrogate endpoints needs to be further explored.
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Parés D, Shamali A, Flashman K, O’Leary D, Senapati A, Conti J, Parvaiz A, Khan J. Cirugía laparoscópica en el tratamiento de la enfermedad de Crohn del área ileocecal: impacto de la obesidad en los resultados postoperatorios inmediatos. Cir Esp 2017; 95:17-23. [DOI: 10.1016/j.ciresp.2016.12.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 11/06/2016] [Accepted: 12/03/2016] [Indexed: 01/26/2023]
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Geographic associations between lactase phenotype, multiple sclerosis, and inflammatory bowel diseases; Does obesity trump geography? Med Hypotheses 2016; 96:68-72. [DOI: 10.1016/j.mehy.2016.10.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Accepted: 10/01/2016] [Indexed: 12/20/2022]
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Crohn's Disease: Evolution, Epigenetics, and the Emerging Role of Microbiome-Targeted Therapies. Curr Gastroenterol Rep 2016; 18:13. [PMID: 26908281 DOI: 10.1007/s11894-016-0487-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Crohn's disease (CD) is a chronic, systemic, immune-mediated inflammation of the gastrointestinal tract. Originally described in 1932 as non-caseating granulomatous inflammation limited to the terminal ileum, it is now recognized as an expanding group of heterogeneous diseases defined by intestinal location, extent, behavior, and systemic extraintestinal manifestations. Joint diseases, including inflammatory spondyloarthritis and ankylosing spondylitis, are the most common extraintestinal manifestations of CD and share more genetic susceptibility loci than any other inflammatory bowel disease (IBD) trait. The high frequency and overlap with genes associated with infectious diseases, specifically Mendelian susceptibility to mycobacterial diseases (MSMD), suggest that CD may represent an evolutionary adaptation to environmental microbes. Elucidating the diversity of the enteric microbiota and the protean mucosal immune responses in individuals may personalize microbiome-targeted therapies and molecular classifications of CD. This review will focus on CD's natural history and therapies in the context of epigenetics, immunogenetics, and the microbiome.
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Gabbani T, Deiana S, Annese AL, Lunardi S, Annese V. The genetic burden of inflammatory bowel diseases: implications for the clinic? Expert Rev Gastroenterol Hepatol 2016; 10:1109-1117. [PMID: 27258545 DOI: 10.1080/17474124.2016.1196131] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Inflammatory bowel diseases (IBD), which include Crohn's disease (CD) and ulcerative colitis (UC), are characterized by chronic intestinal inflammation. Their etiology is multifactorial, with complex interactions between genetic and environmental factors, which are still largely unclear. Areas covered: The influence of genetics is clearly demonstrated by important epidemiological data, including familial aggregation and concordance in twins. In 2001, the first genetic susceptibility gene for IBD, the NOD2 gene, was identified. Currently, thanks to genetic wide association studies, over 200 susceptibility genetic markers are know. Expert commentary: However, clinically highly relevant gene associations are still very limited and the usefulness of these information in the current clinical strategies for treatment and surveillance of IBD is weak. Nevertheless, the recent identification of some genetic risk variants has clarified some newbiological pathways of these diseases thus paving the way for the discoveries in the near future of new targeted therapies.
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Affiliation(s)
- Tommaso Gabbani
- a Division of Gastroenterology , AOU Careggi University Hospital , Florence , Italy
| | - Simona Deiana
- a Division of Gastroenterology , AOU Careggi University Hospital , Florence , Italy
| | - Antonio Luca Annese
- a Division of Gastroenterology , AOU Careggi University Hospital , Florence , Italy
| | - Sarah Lunardi
- b Division of Internal Medicine 4 , AOU Careggi University Hospital , Florence , Italy
| | - Vito Annese
- a Division of Gastroenterology , AOU Careggi University Hospital , Florence , Italy
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Northern Latitude but Not Season Is Associated with Increased Rates of Hospitalizations Related to Inflammatory Bowel Disease: Results of a Multi-Year Analysis of a National Cohort. PLoS One 2016; 11:e0161523. [PMID: 27579718 PMCID: PMC5007007 DOI: 10.1371/journal.pone.0161523] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Accepted: 08/08/2016] [Indexed: 01/03/2023] Open
Abstract
Background and Aims There is growing evidence that the incidence and severity of inflammatory bowel disease (IBD) may be geographically and seasonally related. Why these associations are observed remains unclear. We assessed the impact of geographic location, season, and exposure to ultraviolet light on disease severity by measuring national hospital IBD-related discharge rates. Methods Utilizing the Nationwide Inpatient Sample (NIS), we identified all patients with IBD-related discharges from 2001–2007. Patients were included if they were discharged from states above the 40th parallel (north) or at or below the 35th parallel (south); and their discharge fell within the winter (January, February, and March) or summer (July, August, and September). Groups of patients were assessed comparing north to south within each season, and summer to winter within each region. UV index was recorded from the National Weather Service data and compared to monthly discharge rates. Results There was a consistent pattern of increased IBD-related hospitalization rates in northern states compared to southern states for both ulcerative colitis and Crohn’s disease. Differences in IBD-related hospitalization rates by season, however, were not uniform across the years studied. UV index was significantly inversely associated although not proportional to discharge rates for both Crohn’s disease and ulcerative colitis. Conclusions In the US, there is a significant increased rate of IBD-related hospitalizations in the northern compared to southern states, which not fully explained by differences in UV exposure.
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Parasitic helminth infections and the control of human allergic and autoimmune disorders. Clin Microbiol Infect 2016; 22:481-6. [PMID: 27172808 DOI: 10.1016/j.cmi.2016.04.024] [Citation(s) in RCA: 93] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 04/26/2016] [Accepted: 04/30/2016] [Indexed: 02/06/2023]
Abstract
The profile of global health today presents a striking reciprocal distribution between parasitic diseases in many of the world's lower-income countries, and ever-increasing levels of inflammatory disorders such as allergy, autoimmunity and inflammatory bowel diseases in the more affluent societies. Attention is particularly focused on helminth worm parasites, which are associated with protection from allergy and inflammation in both epidemiologic and laboratory settings. One mechanistic explanation of this is that helminths drive the regulatory arm of the immune system, abrogating the ability of the host to expel the parasites, while also dampening reactivity to many bystander specificities. Interest has therefore heightened into whether helminth parasites, or their products, hold therapeutic potential for immunologic disorders of the developed world. In this narrative review, progress across a range of trials is discussed, together with prospects for isolating individual molecular mediators from helminths that may offer defined new therapies for inflammatory conditions.
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Bartels LE, Jepsen P, Christensen LA, Gerdes LU, Vilstrup H, Dahlerup JF. Diagnosis of Helicobacter Pylori Infection is Associated with Lower Prevalence and Subsequent Incidence of Crohn's Disease. J Crohns Colitis 2016; 10:443-8. [PMID: 26674958 PMCID: PMC4946761 DOI: 10.1093/ecco-jcc/jjv229] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Accepted: 12/04/2015] [Indexed: 12/16/2022]
Abstract
BACKGROUND AND AIMS Helicobacter pylori infection may protect against some chronic inflammatory diseases. This study examined H. pylori infection and its association with the prevalence of the gastrointestinal diseases Crohn's disease [CD], ulcerative colitis [UC], and coeliac disease [CeD]. Incident cases in a follow-up period after H. pylori testing were recorded to investigate if protective effects of H. pylori persisted after probable eradication. METHODS This was a historical cohort study performed in the Central Denmark Region. Patients were enrolled consecutively from primary health care centres after a urea breath test [UBT] for H. pylori and were then followed for a median of 6 years. The patient's diseases, country of birth, and gender were acquired from nationwide administrative registries. We used logistic regression to compare the prevalences of CD, UC, and CeD and Cox regression to compare the incidences of CD, UC, and CeD between H. pylori-positive and H. pylori-negative patients, adjusting for confounding variables. RESULTS We found a lower prevalence of CD in H. pylori-positive than in H. pylori-negative patients (odds ratio = 0.36 [0.17-0.75]). There were fewer incident cases of CD in H. pylori-positive than H. pylori-negative patients in the follow-up period (hazard ratio = 0.59 [0.36-0.96]). Similar trends were found for CeD but not for UC. CONCLUSIONS H. pylori infection may be a protective factor against the development of CD. However, the incidence of CD is still reduced after UBT and probable H. pylori eradication; thus, H. pylori status may be a marker for other factors that protect against CD.
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Affiliation(s)
- Lars E. Bartels
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
| | - Peter Jepsen
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark,Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
| | - Lisbet A. Christensen
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
| | - Lars U. Gerdes
- Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - Hendrik Vilstrup
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
| | - Jens F. Dahlerup
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
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Li L, Katani R, Schilling M, Kapur V. Molecular Epidemiology ofMycobacterium aviumsubsp.paratuberculosison Dairy Farms. Annu Rev Anim Biosci 2016; 4:155-76. [DOI: 10.1146/annurev-animal-021815-111304] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Lingling Li
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802; , , ,
| | - Robab Katani
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802; , , ,
| | - Megan Schilling
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802; , , ,
| | - Vivek Kapur
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802; , , ,
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Subramaniam R, Mizoguchi A, Mizoguchi E. Mechanistic roles of epithelial and immune cell signaling during the development of colitis-associated cancer. ACTA ACUST UNITED AC 2016; 2:1-21. [PMID: 27110580 DOI: 10.17980/2016.1] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
To date, substantial evidence has shown a significant association between inflammatory bowel diseases (IBD) and development of colitis-associated cancer (CAC). The incidence/prevalence of IBD is higher in western countries including the US, Australia, and the UK. Although CAC development is generally characterized by stepwise accumulation of genetic as well as epigenetic changes, precise mechanisms of how chronic inflammation leads to the development of CAC are largely unknown. Preceding intestinal inflammation is one of the major influential factors for CAC tumorigenesis. Mucosal immune responses including activation of aberrant signaling pathways both in innate and adaptive immune cells play a pivotal role in CAC. Tumor progression and metastasis are shaped by a tightly controlled tumor microenvironment which is orchestrated by several immune cells and stromal cells including macrophages, neutrophils, dendritic cells, myeloid derived suppressor cells, T cells, and myofibroblasts. In this article, we will discuss the contributing factors of epithelial as well as immune cell signaling in initiation of CAC tumorigenesis and mucosal immune regulatory factors in the colonic tumor microenvironment. In depth understanding of these factors is necessary to develop novel anti-inflammatory and anti-cancer therapies for CAC in the near future.
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Affiliation(s)
- Renuka Subramaniam
- Gastrointestinal Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Atsushi Mizoguchi
- Department of Immunology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Emiko Mizoguchi
- Gastrointestinal Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA; Department of Immunology, Kurume University School of Medicine, Kurume, Fukuoka, Japan; Center for the Study of Inflammatory Bowel Disease, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
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45
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Agus A, Denizot J, Thévenot J, Martinez-Medina M, Massier S, Sauvanet P, Bernalier-Donadille A, Denis S, Hofman P, Bonnet R, Billard E, Barnich N. Western diet induces a shift in microbiota composition enhancing susceptibility to Adherent-Invasive E. coli infection and intestinal inflammation. Sci Rep 2016; 6:19032. [PMID: 26742586 PMCID: PMC4705701 DOI: 10.1038/srep19032] [Citation(s) in RCA: 292] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 12/02/2015] [Indexed: 12/15/2022] Open
Abstract
Recent advances have shown that the abnormal inflammatory response observed in CD involves an interplay among intestinal microbiota, host genetics and environmental factors. The escalating consumption of fat and sugar in Western countries parallels an increased incidence of CD during the latter 20th century. The impact of a HF/HS diet in mice was evaluated for the gut micro-inflammation, intestinal microbiota composition, function and selection of an E. coli population. The HF/HS diet created a specific inflammatory environment in the gut, correlated with intestinal mucosa dysbiosis characterized by an overgrowth of pro-inflammatory Proteobacteria such as E. coli, a decrease in protective bacteria, and a significantly decreased of SCFA concentrations. The expression of GPR43, a SCFA receptor was reduced in mice treated with a HF/HS diet and reduced in CD patients compared with controls. Interestingly, mice treated with an agonist of GPR43 were protected against DSS-induced colitis. Finally, the transplantation of feces from HF/HS treated mice to GF mice increased susceptibility to AIEC infection. Together, our results demonstrate that a Western diet could aggravate the inflammatory process and that the activation of the GPR43 receptor pathway could be used as a new strategy to treat CD patients.
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Affiliation(s)
- Allison Agus
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France
| | - Jérémy Denizot
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France
| | - Jonathan Thévenot
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France.,Clermont Université, Université d'Auvergne, Centre de Recherche en Nutrition Humaine Auvergne, EA 4678 CIDAM, Conception Ingénierie et Développement de l'Aliment et du Médicament, Clermont-Ferrand, France
| | - Margarita Martinez-Medina
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France
| | - Sébastien Massier
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France
| | - Pierre Sauvanet
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France.,Digestive Surgery Department, Centre Hospitalier Universitaire, Clermont-Ferrand 63000, France
| | - Annick Bernalier-Donadille
- UR454 Microbiology Division, INRA, Research Centre of Clermont-Ferrand-Theix, 63122 Saint Genès-Champanelle, France
| | - Sylvain Denis
- Clermont Université, Université d'Auvergne, Centre de Recherche en Nutrition Humaine Auvergne, EA 4678 CIDAM, Conception Ingénierie et Développement de l'Aliment et du Médicament, Clermont-Ferrand, France
| | - Paul Hofman
- Laboratory of Clinical and Experimental Pathology and Hospital-Related Biobank (BB 0033-00025), Pasteur Hospital, and IRCAN CNRS UMR 7284, Inserm U1081, Nice Sophia Antipolis University, France
| | - Richard Bonnet
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France.,Bacteriology Department, Centre Hospitalier Universitaire, Clermont-Ferrand 63000, France
| | - Elisabeth Billard
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France.,Institut Universitaire de Technologie, Génie Biologique, Aubière, France
| | - Nicolas Barnich
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France.,Institut Universitaire de Technologie, Génie Biologique, Aubière, France
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CASTRO FDIASDE, MAGALHÃES J, CARVALHO PBOAL, MOREIRA MJ, MOTA P, COTTER J. LOWER LEVELS OF VITAMIN D CORRELATE WITH CLINICAL DISEASE ACTIVITY AND QUALITY OF LIFE IN INFLAMMATORY BOWEL DISEASE. ARQUIVOS DE GASTROENTEROLOGIA 2015; 52:260-5. [DOI: 10.1590/s0004-28032015000400003] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 09/08/2015] [Indexed: 12/14/2022]
Abstract
Background - Inflammatory bowel disease, comprising Crohn's disease and ulcerative colitis, is a group of debilitating conditions associated with deregulated mucosal immune response. Vitamin D has been implicated in immune response and gastrointestinal function. Objectives - To investigate the correlation between serum vitamin D levels and disease activity and quality of life in patients with inflammatory bowel disease. Methods - This cross-sectional study enrolled ambulatory patients with inflammatory bowel disease and assessed clinical disease activity and quality of life (Short Inflammatory Bowel Disease Questionnaire [SIBDQ]). Vitamin D levels were determined via serum 25-hydroxyvitamin D measurement; deficiency was defined as values <20 ng/mL. Statistical analysis was performed with SPSS vs 20.0. Results - A total of 76 patients were enrolled, 19 with ulcerative colitis (25%) and 57 with Crohn's disease (75%). Overall, mean serum 25-hydroxyvitamin D levels were low (26.0±10.0 ng/mL), while those in patients with Crohn's disease were significantly lower than ulcerative colitis (24.6±8.0 vs 30.0±12.5 ng/mL; P=0.032). Vitamin D deficiency was found in 30% of patients. Patients who were in clinical remission were found to have higher levels of vitamin D than those who were not in remission (28.0±10.3 vs 21.6±6.0 ng/mL, P=0.001). Inflammatory bowel disease patients with SIBDQ scores <50 were found to have significantly lower mean vitamin D levels compared with patients who had SIBDQ scores ≥50 (23.4±6.9 vs 27.9±10.8 ng/mL, P=0.041). Conclusions - A high proportion of patients with inflammatory bowel disease were vitamin D deficient, particularly patients with Crohn's disease. Both clinical disease activity and quality of life correlated significantly with lower levels of vitamin D, illustrating a clear need for supplementation in patients with inflammatory bowel disease.
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Affiliation(s)
| | | | | | | | | | - José COTTER
- Centro Hospitalar do Alto Ave, Portugal; Universidade do Minho, Portugal
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Margulies SL, Kurian D, Elliott MS, Han Z. Vitamin D deficiency in patients with intestinal malabsorption syndromes--think in and outside the gut. J Dig Dis 2015; 16:617-33. [PMID: 26316334 DOI: 10.1111/1751-2980.12283] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Revised: 06/26/2015] [Accepted: 08/04/2015] [Indexed: 12/11/2022]
Abstract
There is a very high prevalence of vitamin D deficiency, which is defined by a serum level of 25-hydroxyvitamin D [25(OH)D] of lower than 20 ng/mL, in all populations of the world. Unfortunately, the prevalence of vitamin D deficiency in patients with intestinal malabsorption syndromes, including cystic fibrosis (CF), celiac disease (CD), short bowel syndrome and inflammatory bowel disease (IBD), is higher than that in the general population, indicating the presence of disease-specific causative factors. In this review, we aimed to present clinical findings to highlight the roles of insufficient exposure to sunlight and inflammation in the development of vitamin D deficiency in patients with intestinal malabsorption syndromes. Furthermore, we aimed to present experimental evidence that supported a role of vitamin D deficiency in the pathogenesis of IBD. Finally, we reviewed clinical intervention strategies aiming to normalize vitamin D status in and even to improve the conditions of patients and to discuss certain issues that needed to be addressed in future research.
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Affiliation(s)
- Samantha L Margulies
- George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Divya Kurian
- George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Mark S Elliott
- Department of Biochemistry and Molecular Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Zhiyong Han
- Department of Biochemistry and Molecular Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC, USA
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The Trend of Inflammatory Bowel Diseases in Taiwan: A Population-Based Study. Dig Dis Sci 2015; 60:2454-62. [PMID: 25837597 DOI: 10.1007/s10620-015-3630-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Accepted: 03/11/2015] [Indexed: 01/02/2023]
Abstract
BACKGROUND AND AIM The purpose of this study was to estimate the sex- and age-specific incidence rates of inflammatory bowel diseases (IBD) in Taiwan. Site-specific cancer occurred in patients with IBD would be reported, too. METHODS A retrospective study by analyzing the data from the National Health Insurance Research Database of Taiwan. RESULTS Between 2000 and 2010, the overall incidence rate of Crohn's disease (CD) and ulcerative colitis (UC) was 0.208 and 0.838 per 100,000 person-years. For male, the incidence rate of CD was 0.195 (95 % CI 0.113-0.276) per 100,000 persons in 2000 and increased to 0.318 (95 % CI 0.216-0.421) per 100,000 persons in 2010. For female, the incidence rate of CD was 0.092 (95 % CI 0.035-0.149) per 100,000 persons in 2000 and increased to 0.210 (95 % CI 0.128-0.293) per 100,000 persons in 2010. For male, the incidence rate of UC was 0.690 (95 % CI 0.537-0.843) per 100,000 persons in 2000 and increased to 1.351 (95 % CI, 1.140-1.562) per 100,000 persons in 2010. For female, the incidence rate of UC was 0.386 (95 % CI 0.269-0.503) per 100,000 persons in 2000 and increased to 0.858 (95 % CI 0.691-1.024) per 100,000 persons in 2010. Among the CD patients, 0.19 % had colorectal cancers (1/519). Among the UC patients, 0.24 % had colorectal cancers (5/2098). CONCLUSIONS This nationwide population-based longitudinal epidemiological study of IBD in Taiwan provides data for future global comparisons.
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Lu C, Yang J, Yu W, Li D, Xiang Z, Lin Y, Yu C. Association between 25(OH)D Level, Ultraviolet Exposure, Geographical Location, and Inflammatory Bowel Disease Activity: A Systematic Review and Meta-Analysis. PLoS One 2015; 10:e0132036. [PMID: 26172950 PMCID: PMC4501705 DOI: 10.1371/journal.pone.0132036] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Accepted: 06/09/2015] [Indexed: 12/20/2022] Open
Abstract
Background There is no consensus on the vitamin D levels and inflammatory bowel disease (IBD). Aim To conduct a systematic review and meta-analysis to analyze the relationship between IBD and 25(OH)D, sun exposure, and latitude, and to determine whether vitamin D deficiency affects the severity of IBD. Methods We searched the PubMed, EBSCO, and ClinicalTrials.gov databases to identify all studies that assessed the association between 25(OH)D, sun exposure, latitude, and IBD through November 1, 2014, without language restrictions. Studies that compared 25(OH)D levels between IBD patients and controls were selected for inclusion in the meta-analysis. We calculated pooled standardized mean differences (SMDs) and odds ratios (ORs). Results Thirteen case-control studies investigating CD and 25(OH)D levels were included, and eight studies part of above studies also investigated the relationship between UC and 25(OH)D. Both CD patients (SMD: 0.26 nmol/L, 95% confidence interval [CI]: 0.09–0.42 nmol/L) and UC patients (SMD: 0.5 nmol/L, 95% CI: 0.15–0.85 nmol/L) had lower levels of 25(OH)D than controls. In addition, CD patients and UC patients were 1.95 times (OR, 1.95; 95% CI, 1.48–2.57) and 2.02 times (OR, 2.02; 95% CI, 1.13–3.60) more likely to be 25(OH)D deficient than controls. We also included 10 studies investigating the relationship between CD activity and vitamin D. Results showed that patients with active CD (CD Activity Index≥150) were more likely to have low vitamin D levels. In addition, whether low sun exposure and high latitude were related to a high morbidity of CD need to be provided more evidence. Conclusion Our study shows that IBD patients have lower vitamin D levels. For active CD patients, vitamin D levels were low. These findings suggest that vitamin D may play an important role in the development of IBD, although a direct association could not be determined in our study.
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Affiliation(s)
- Chao Lu
- Department of Gastroenterology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Jun Yang
- Department of Gastroenterology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Weilai Yu
- Department of Gastroenterology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Dejian Li
- Department of Gastroenterology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Zun Xiang
- Department of Gastroenterology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Yiming Lin
- Department of Gastroenterology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Chaohui Yu
- Department of Gastroenterology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, China
- * E-mail:
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Koch M, Baurecht H, Ried JS, Rodriguez E, Schlesinger S, Volks N, Gieger C, Rückert IM, Heinrich L, Willenborg C, Smith C, Peters A, Thorand B, Koenig W, Lamina C, Jansen H, Kronenberg F, Seissler J, Thiery J, Rathmann W, Schunkert H, Erdmann J, Barker J, Nair RP, Tsoi LC, Elder JT, Mrowietz U, Weichenthal M, Mucha S, Schreiber S, Franke A, Schmitt J, Lieb W, Weidinger S. Psoriasis and cardiometabolic traits: modest association but distinct genetic architectures. J Invest Dermatol 2015; 135:1283-1293. [PMID: 25599394 PMCID: PMC4402117 DOI: 10.1038/jid.2015.8] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 12/19/2014] [Accepted: 12/24/2014] [Indexed: 12/16/2022]
Abstract
Psoriasis has been linked to cardiometabolic diseases, but epidemiological findings are inconsistent. We investigated the association between psoriasis and cardiometabolic outcomes in a German cross-sectional study (n=4,185) and a prospective cohort of German Health Insurance beneficiaries (n=1,811,098). A potential genetic overlap was explored using genome-wide data from >22,000 coronary artery disease and >4,000 psoriasis cases, and with a dense genotyping study of cardiometabolic risk loci on 927 psoriasis cases and 3,717 controls. After controlling for major confounders, in the cross-sectional analysis psoriasis was significantly associated with type 2 diabetes (T2D, adjusted odds ratio (OR)=2.36; 95% confidence interval CI=1.26-4.41) and myocardial infarction (MI, OR=2.26; 95% CI=1.03-4.96). In the longitudinal study, psoriasis slightly increased the risk for incident T2D (adjusted relative risk (RR)=1.11; 95% CI=1.08-1.14) and MI (RR=1.14; 95% CI=1.06-1.22), with highest risk increments in systemically treated psoriasis, which accounted for 11 and 17 excess cases of T2D and MI per 10,000 person-years. Except for weak signals from within the major histocompatibility complex, there was no evidence of genetic risk loci shared between psoriasis and cardiometabolic traits. Our findings suggest that psoriasis, in particular severe psoriasis, increases the risk for T2D and MI, and that the genetic architecture of psoriasis and cardiometabolic traits is largely distinct.
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Affiliation(s)
- Manja Koch
- Institute of Epidemiology, Christian-Albrechts University Kiel, Kiel, Germany
| | - Hansjörg Baurecht
- Department of Dermatology, Allergology, and Venerology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Janina S Ried
- Institute of Genetic Epidemiology, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg, Germany
| | - Elke Rodriguez
- Department of Dermatology, Allergology, and Venerology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Sabrina Schlesinger
- Institute of Epidemiology, Christian-Albrechts University Kiel, Kiel, Germany
| | - Natalie Volks
- Department of Dermatology, Allergology, and Venerology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Christian Gieger
- Institute of Epidemiology II, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg, Germany; Research Unit of Molecular Epidemiology, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg, Germany
| | - Ina-Maria Rückert
- Institute of Epidemiology II, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg, Germany
| | - Luise Heinrich
- Center for Evidence-Based Healthcare, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Christina Willenborg
- Institute for Integrative und Experimental Genomics and DZHK (German Research Centre for Cardiovascular Research), partner site Hamburg/Lübeck/Kiel, University Hospital Schleswig-Holstein, Campus Lübeck, Lübeck, Germany
| | - Catherine Smith
- St John's Institute of Dermatology, Division of Genetics and Molecular Medicine, Kings College London, London, UK
| | - Annette Peters
- Institute of Epidemiology II, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg, Germany
| | - Barbara Thorand
- Institute of Epidemiology II, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg, Germany
| | - Wolfgang Koenig
- Department of Internal Medicine II-Cardiology, University of Ulm Medical Center, Ulm, Germany
| | - Claudia Lamina
- Division of Genetic Epidemiology, Department of Medical Genetics, Molecular and Clinical Pharmacology, Innsbruck Medical University, Innsbruck, Austria
| | - Henning Jansen
- Deutsches Herzzentrum Munich, Technische Universität Munich, Munich, Germany
| | - Florian Kronenberg
- Division of Genetic Epidemiology, Department of Medical Genetics, Molecular and Clinical Pharmacology, Innsbruck Medical University, Innsbruck, Austria
| | - Jochen Seissler
- Medizinische Klinik und Poliklinik IV, Diabetes Zentrum, Klinikum der Ludwig-Maximilians-Universität, Munich, Germany
| | - Joachim Thiery
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University Hospital Leipzig, Leipzig, Germany
| | - Wolfgang Rathmann
- German Diabetes Center, Leibniz Institute at Heinrich Heine University Düsseldorf, Institute of Biometrics and Epidemiology, Düsseldorf, Germany
| | - Heribert Schunkert
- Deutsches Herzzentrum Munich, Technische Universität Munich, Munich, Germany
| | - Jeanette Erdmann
- Institute for Integrative und Experimental Genomics and DZHK (German Research Centre for Cardiovascular Research), partner site Hamburg/Lübeck/Kiel, University Hospital Schleswig-Holstein, Campus Lübeck, Lübeck, Germany
| | - Jonathan Barker
- St John's Institute of Dermatology, Division of Genetics and Molecular Medicine, Kings College London, London, UK
| | - Rajan P Nair
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Lam C Tsoi
- Department of Biostatistics, Center for Statistical Genetics, University of Michigan, Ann Arbor, Michigan, USA
| | - James T Elder
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, USA; Ann-Arbor Veteran Affairs Hospital, Ann Arbor, Michigan, USA
| | - Ulrich Mrowietz
- Department of Dermatology, Allergology, and Venerology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Michael Weichenthal
- Department of Dermatology, Allergology, and Venerology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Sören Mucha
- Institute of Clinical Molecular Biology, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Stefan Schreiber
- Institute of Clinical Molecular Biology, Christian-Albrechts-University of Kiel, Kiel, Germany; Department of Internal Medicine I, University Medical Center Schleswig-Holstein, Kiel, Germany
| | - Andre Franke
- Institute of Clinical Molecular Biology, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Jochen Schmitt
- Center for Evidence-Based Healthcare, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany; These authors contributed equally to this work
| | - Wolfgang Lieb
- Institute of Epidemiology, Christian-Albrechts University Kiel, Kiel, Germany; These authors contributed equally to this work
| | - Stephan Weidinger
- Department of Dermatology, Allergology, and Venerology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany; These authors contributed equally to this work..
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