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https://www.readbyqxmd.com/read/27926729/intracellular-allosteric-antagonism-of-the-ccr9-receptor
#1
Christine Oswald, Mathieu Rappas, James Kean, Andrew S Doré, James C Errey, Kirstie Bennett, Francesca Deflorian, John A Christopher, Ali Jazayeri, Jonathan S Mason, Miles Congreve, Robert M Cooke, Fiona H Marshall
Chemokines and their G-protein-coupled receptors play a diverse role in immune defence by controlling the migration, activation and survival of immune cells. They are also involved in viral entry, tumour growth and metastasis and hence are important drug targets in a wide range of diseases. Despite very significant efforts by the pharmaceutical industry to develop drugs, with over 50 small-molecule drugs directed at the family entering clinical development, only two compounds have reached the market: maraviroc (CCR5) for HIV infection and plerixafor (CXCR4) for stem-cell mobilization...
December 7, 2016: Nature
https://www.readbyqxmd.com/read/27926557/long-term-quality-of-life-of-patients-with-permanent-end-ileostomy-results-of-a-nationwide-cross-sectional-survey
#2
Tobias S Schiergens, Verena Hoffmann, Tamara N Schobel, Gerhard H Englert, Martin E Kreis, Wolfgang E Thasler, Jens Werner, Michael S Kasparek
BACKGROUND: Patients with permanent end ileostomy are at high risk for detrimental stomal effects on their quality of life. However, little is known about the long-term quality of life of these patients. OBJECTIVE: The purpose of this study was to assess long-term quality of life in patients with permanent end ileostomy. DATA SOURCES: Registration at the German self-help organization ILCO was used for this study. STUDY SELECTION: Selection included a cross-sectional survey of 1434 patients with permanent end ileostomy...
January 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/27925192/pathogenic-role-of-associated-adherent-invasive-escherichia-coli-in-crohn-s-disease
#3
Giuseppe Mazzarella, Angelica Perna, Angela Marano, Angela Lucariello, Vera Rotondi Aufiero, Raffaele Melina, Germano Guerra, Fabio Silvio Taccone, Gaetano Iaquinto, Antonio De Luca
Several lines of evidence suggest that adherent-invasive E. coli (AIEC) strains play an important role in Crohn's disease (CD). The objective of this study was to investigate the pathogenic role of two AIEC strains, LF82 and O83:H1, in CD patients. Organ cultures of colonic biopsies from patients were set up to assess the effects of LF82 and O83:H1 on the expression of CEACAM6, LAMP1, HLA-DR, ICAM1 by immunohistochemistry and of IL-8, IFNΓ and TNF-α genes by RT-PCR. Moreover, on Caco2 cells we analyzed the cell cycle, the expression of MGMT and DNMT1 genes and DNA damage induced by LF82 and O83:H1, by FACS, RT-PCR and DAPI staining, respectively...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27903285/prognostic-biomarkers-to-identify-patients-destined-to-develop-severe-crohn-s-disease-who-may-benefit-from-early-biological-therapy-protocol-for-a-systematic-review-meta-analysis-and-external-validation
#4
Steve Halligan, Darren Boone, Gauraang Bhatnagar, Tariq Ahmad, Stuart Bloom, Manuel Rodriguez-Justo, Stuart A Taylor, Susan Mallett
BACKGROUND: It is believed increasingly that patients with severe Crohn's disease are best treated early with biological therapy, which may ameliorate subsequent disease course and diminish long-term complications. However, we cannot predict currently which new presentations of Crohn's disease are destined to develop severe disease so treatment cannot be targeted to the most appropriate patients. Accordingly, via systematic review and meta-analysis we aim to identify if biomarkers of disease activity are able to predict development of severe disease...
December 1, 2016: Systematic Reviews
https://www.readbyqxmd.com/read/27895399/altered-pattern-of-tumor-necrosis-factor-alpha-production-in-peripheral-blood-monocytes-from-crohn-s-disease
#5
Claudia Loganes, Alessia Pin, Samuele Naviglio, Martina Girardelli, Anna Monica Bianco, Stefano Martelossi, Alberto Tommasini, Elisa Piscianz
AIM: To evaluate the inflammatory state in Crohn's disease (CD) patients and correlate it with genetic background and microbial spreading. METHODS: By means of flow cytometry, production of tumor necrosis factor-alpha (TNF-α) was measured in peripheral blood monocytes from patients suffering from CD, ulcerative colitis (UC) and in healthy subjects after stimulation of the NOD2 and TLR pathways. CD patients were genotyped for the three most common NOD2 variants (R702W, G908R and L1007Pfs*2) and basal production of TNF-α was correlated to NOD2 genotype...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27893546/cutaneous-vasculitis-in-a-patient-with-crohn-s-disease-treated-with-adalimumab
#6
Didia B Cury, Alexandre W S de Souza, Giovanni A Vianna, Danilo Odashiro, Alex Farias, Alan C Moss
No abstract text is available yet for this article.
November 22, 2016: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/27885894/mr-enterography-of-inflammatory-bowel-disease-with-endoscopic-correlation
#7
Pankaj Kaushal, Alexander S Somwaru, Aline Charabaty, Angela D Levy
Crohn disease (CD) and ulcerative colitis (UC) are the two main forms of idiopathic inflammatory bowel disease (IBD). CD is a transmural chronic inflammatory disorder that can affect any part of the gastrointestinal tract in a discontinuous distribution. UC is a mucosal and submucosal chronic inflammatory disease that typically originates in the rectum and may extend proximally in a continuous manner. In treating patients with CD and UC, clinicians rely heavily on accurate diagnoses and disease staging. Magnetic resonance (MR) enterography used in conjunction with endoscopy and histopathologic analysis can help accurately diagnose and manage disease in the majority of patients...
November 25, 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27885389/mri-features-of-perianal-fistulas-is-there-a-difference-between-crohn-s-and-non-crohn-s-patients
#8
Irai S Oliveira, Aoife Kilcoyne, Melissa C Price, Mukesh Harisinghani
PURPOSE: Though perianal fistulas are commonly seen in patients with Crohn's disease, they can also be seen in patients without inflammatory bowel disease. The purpose of this study was to evaluate MR imaging differences of perianal fistulas in patients with and without Crohn's disease. METHODS: Our retrospective search from January 2012 to December 2015 of the Radiology database for perianal fistula yielded 207 patients. Only patients with dedicated MR fistula protocol studies were included, whereas patients with previous anal surgery or anastomosis, anorectal tumors, and equivocal findings that could not be definitely assessed as a fistula were excluded...
November 24, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27883215/effects-of-concomitant-immunomodulators-on-the-pharmacokinetics-efficacy-and-safety-of-adalimumab-in-patients-with-crohn-s-disease-or-ulcerative-colitis-who-had-failed-conventional-therapy
#9
J-F Colombel, B Jharap, W J Sandborn, B Feagan, L Peyrin-Biroulet, S F Eichner, A M Robinson, N M Mostafa, Q Zhou, R B Thakkar
BACKGROUND: Adalimumab is approved for use in patients with moderate to severe Crohn's disease (CD) or ulcerative colitis (UC) who have not achieved disease control with conventional therapies including corticosteroids and/or immunomodulators (IMM). AIM: To analyse six studies that examined efficacy, pharmacokinetics and safety of combination IMM/adalimumab therapy, compared with adalimumab monotherapy in patients with inadequate disease control on conventional therapy...
January 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27876810/outcomes-of-exclusive-enteral-nutrition-in-paediatric-crohn-s-disease
#10
L Lafferty, M Tuohy, A Carey, S Sugrue, M Hurley, S Hussey
BACKGROUND/OBJECTIVES: Exclusive enteral nutrition (EEN) is a safe and effective treatment modality for inducing remission in paediatric Crohn's disease (CD). The primary aim of this study was to compare the outcomes of EEN to corticosteroid (CS) therapy in newly diagnosed, treatment-naïve patients with CD. A secondary aim was to describe the outcomes of EEN in a national cohort of paediatric CD patients over a 10-year period. SUBJECTS/METHODS: A retrospective chart review was conducted at the Irish national referral centre for paediatric CD...
November 23, 2016: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27874943/mr-enterography-with-diffusion-weighted-imaging-adc-values-in-normal-and-pathological-bowel-loops-a-possible-threshold-adc-value-to-differentiate-active-from-inactive-crohn-s-disease
#11
V Ninivaggi, M Missere, G Restaino, E Gangemi, M Di Matteo, A Pierro, G Sallustio, L Bonomo
OBJECTIVE: The aim of our study was to compare the apparent diffusion coefficient (ADC) values of pathological bowel loops wall (pADC) with the ADC values of normal appearing ones (naADC) and to determine a discriminating threshold. PATIENTS AND METHODS: 60 patients were studied at our Institution through a MR-enterography that included free-breathing axial Diffusion Weighted Imaging (DWI) with two b (0 and 800 s/mm2) after histological diagnosis of active Crohn's disease (CD)...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27867689/family-history-and-disease-outcomes-in-patients-with-crohn-s-disease-a-comparison-between-china-and-the-united-states
#12
Pei-Qi Wang, Jun Hu, Elie S Al Kazzi, Eboselume Akhuemonkhan, Min Zhi, Xiang Gao, Raquel Holand de Paula Pessoa, Sami Ghazaleh, Tuhina Cornelius, Suhel Abbas Sabunwala, Shadi Ghadermarzi, Kartikeya Tripathi, Mark Lazarev, Pin-Jin Hu, Susan Hutfless
AIM: To investigate the differences in family history of inflammatory bowel disease (IBD) and clinical outcomes among individuals with Crohn's disease (CD) residing in China and the United States. METHODS: We performed a survey-based cross-sectional study of participants with CD recruited from China and the United States. We compared the prevalence of IBD family history and history of ileal involvement, CD-related surgeries and IBD medications in China and the United States, adjusting for potential confounders...
November 6, 2016: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27862117/irritable-bowel-syndrome-and-active-inflammatory-bowel-disease-diagnosed-by-faecal-gas-analysis
#13
R B M Aggio, P White, H Jayasena, B de Lacy Costello, N M Ratcliffe, C S J Probert
BACKGROUND: Inflammatory bowel disease and irritable bowel syndrome may present in a similar manner. Measuring faecal calprotectin concentration is often recommended to rule out inflammatory bowel disease, however, there are no tests to positively diagnose irritable bowel syndrome and invasive tests are still used to rule out other pathologies. AIM: To investigate a platform technology for diagnosing inflammatory bowel disease and irritable bowel syndrome based on faecal gas...
January 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27862107/systematic-review-with-meta-analysis-comparative-efficacy-of-immunosuppressants-and-biologics-for-reducing-hospitalisation-and-surgery-in-crohn-s-disease-and-ulcerative-colitis
#14
REVIEW
E J Mao, G S Hazlewood, G G Kaplan, L Peyrin-Biroulet, A N Ananthakrishnan
INTRODUCTION: Crohn's disease (CD) and ulcerative colitis (UC) have a progressive course leading to hospitalisation and surgery. The ability of existing therapies to alter disease course is not clearly defined. AIM: To investigate the comparative efficacy of currently available inflammatory bowel disease (IBD) therapies to reduce hospitalisation and surgery. METHODS: We conducted a systematic review in MEDLINE/PubMed for randomised controlled trials (RCT) published between January 1980 and May 2016 examining efficacy of biological or immunomodulator therapy in IBD...
January 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27862102/addition-of-an-immunomodulator-can-reverse-antibody-formation-and-loss-of-response-in-patients-treated-with-adalimumab
#15
B Ungar, U Kopylov, T Engel, M Yavzori, E Fudim, O Picard, A Lang, N Williet, S Paul, Y Chowers, A Bar-Gil Shitrit, R Eliakim, S Ben-Horin, X Roblin
BACKGROUND: Anti-adalimumab antibodies (AAA) are associated with loss of clinical response (LOR). Addition of an immunomodulator has been shown to reverse immunogenicity and regain response with infliximab monotherapy. Similar data on adalimumab are lacking. AIM: To study the impact of immunomodulator addition on the emergence of AAA and LOR among adalimumab therapy patients. METHODS: The databases of three tertiary medical centres were reviewed to identify patients who developed AAA during adalimumab monotherapy with resultant LOR, and received an immunomodulator as a salvage combination therapy...
January 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27861181/genetic-risk-for-inflammatory-bowel-disease-is-a-determinant-of-crohn-s-disease-development-in-chronic-granulomatous-disease
#16
Chengrui Huang, Suk See De Ravin, Adam R Paul, Theo Heller, Nancy Ho, Lisa Wu Datta, Christa S Zerbe, Beatriz E Marciano, Douglas B Kuhns, Howard A Kader, Steven M Holland, Harry L Malech, Steven R Brant
BACKGROUND: Approximately, one-third to one-half of children with chronic granulomatous disease (CGD) develop gastrointestinal inflammation characteristic of idiopathic inflammatory bowel disease (IBD), usually Crohn's disease. We hypothesized that the overall IBD genetic risk, determined by IBD genetic risk score (GRS), might in part determine IBD development in CGD. METHODS: We reviewed medical records to establish IBD diagnoses in CGD subjects seen at NIAID. IBD risk single nucleotide polymorphism genotypes were determined using the Immunochip, and GRS were estimated by Mangrove...
December 2016: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/27855530/the-role-of-a-defunctioning-stoma-for-colonic-and-perianal-crohn-s-disease-in-the-biological-era
#17
M Martí-Gallostra, P Myrelid, N Mortensen, S Keshav, S P L Travis, B George
OBJECTIVE: A defunctioning stoma is a therapeutic option for colonic or perianal Crohn's disease. In the pre-biologic era the response rate to defunctioning in our unit was high (86%), but intestinal continuity was only restored in 11-20%. Few data exist on the outcome of defunctioning since the widespread introduction of biologicals. MATERIAL AND METHODS: All patients undergoing a defunctioning stoma for colonic/perianal Crohn's disease since 2003-2011 were identified from a prospective database...
November 18, 2016: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/27833911/concurrent-resolution-of-chronic-diarrhea-likely-due-to-crohn-s-disease-and-infection-with-mycobacterium-avium-paratuberculosis
#18
Shoor V Singh, J Todd Kuenstner, William C Davis, Prabhat Agarwal, Naveen Kumar, Devendra Singh, Saurabh Gupta, Kundan K Chaubey, Ashok Kumar, Jyoti Misri, Sujatha Jayaraman, Jagdip S Sohal, Kuldeep Dhama
Examination of samples of stool from a 61-year-old male patient, presenting with the clinical symptoms of Crohn's disease (CD), revealed massive shedding of acid fast bacilli with the morphology of Mycobacterium avium paratuberculosis (MAP), the causative agent of Johne's disease in cattle. MAP was cultured from the stool. Biotyping of the bacterium isolated from cultures of stool demonstrated, it was the Indian Bison biotype of MAP, the dominant biotype infecting livestock and humans in India. Based on this finding and because the patient was unresponsive to standard therapy used in India to treat patients with gastrointestinal inflammatory disorders, the patient was placed on a regimen of multi-antibiotic therapy, currently used to treat tuberculosis and CD...
2016: Frontiers in Medicine
https://www.readbyqxmd.com/read/27833391/systematic-review-safety-of-balloon-assisted-enteroscopy-in-crohn-s-disease
#19
Ahilan Arulanandan, Parambir S Dulai, Siddharth Singh, William J Sandborn, Denise Kalmaz
AIM: To determine the overall and comparative risk of procedure related perforation of balloon assisted enteroscopy (BAE) in Crohn's disease (CD). METHODS: Systematic review (PROSPERO #CRD42015016381) of studies reporting on CD patients undergoing BAE. Seventy-three studies reporting on 1812 patients undergoing 2340 BAEs were included. Primary outcome of interest was the overall and comparative risk of procedure related perforation of diagnostic BAE in CD. Secondary outcomes of interest were risk of procedure related perforation of diagnostic double balloon enteroscopy (DBE), risk of procedure related perforation of therapeutic BAE, efficacy of stricture dilation, and clinical utility of endoscopically assessing small bowel disease activity...
October 28, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27824647/genetic-risk-for-inflammatory-bowel-disease-is-a-determinant-of-crohn-s-disease-development-in-chronic-granulomatous-disease
#20
Chengrui Huang, Suk S De Ravin, Adam R Paul, Theo Heller, Nancy Ho, Lisa Wu Datta, Christa S Zerbe, Beatriz E Marciano, Douglas B Kuhns, Howard A Kader, Steven M Holland, Harry L Malech, Steven R Brant
BACKGROUND: Approximately, one-third to one-half of children with chronic granulomatous disease (CGD) develop gastrointestinal inflammation characteristic of idiopathic inflammatory bowel disease (IBD), usually Crohn's disease. We hypothesized that the overall IBD genetic risk, determined by IBD genetic risk score (GRS), might in part determine IBD development in CGD. METHODS: We reviewed medical records to establish IBD diagnoses in CGD subjects seen at NIAID. IBD risk single nucleotide polymorphism genotypes were determined using the Immunochip, and GRS were estimated by Mangrove...
December 2016: Inflammatory Bowel Diseases
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