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https://www.readbyqxmd.com/read/29040430/transcriptomic-landscape-of-treatment-na%C3%A3-ve-ulcerative-colitis
#1
Hagar Taman, Christopher G Fenton, Inga V Hensel, Endre Anderssen, Jon Florholmen, Ruth H Paulssen
Background and Aims: Ulcerative colitis (UC) is a chronic inflammatory disease that effects the gastrointestinal tract and is considered one of the most prominent and common forms of inflammatory bowel disease (IBD). This study aimed to define and describe the entire transcriptomic landscape in a well-stratified, treatment-naïve UC patient population compared to control patients by using next-generation technology, RNA-Seq. Methods: Mucosal biopsies from treatment-naïve UC patients (n=14), and healthy controls (n=16) underwent RNA-Seq...
October 10, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29040228/analytical-pitfalls-of-therapeutic-drug-monitoring-of-thiopurines-in-inflammatory-bowel-disease-patients
#2
Melek Simsek, Berrie Meijer, Chris Jj Mulder, Adriaan A van Bodegraven, Nanne Kh de Boer
The use of thiopurines in the treatment of inflammatory bowel disease (IBD) can be optimized by application of therapeutic drug monitoring (TDM). In this procedure, 6-thioguanine nucleotides (6-TGN) and 6-methylmercaptopurine (6-MMP) metabolites are monitored and related to therapeutic response and adverse events, respectively. Therapeutic drug monitoring of thiopurines, however, is hampered by several analytical limitations resulting in an impaired translation of metabolite levels to clinical outcome in IBD...
October 14, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/29036010/the-reasoning-beyond-the-potential-use-of-exclusive-enteral-nutrition-and-other-specified-diets-in-children-with-ulcerative-colitis
#3
Ron Shaoul, Stephanie Brown, Andrew S Day
The incidence of inflammatory bowel disease (IBD) is steadily on the rise in Western as well as in developing countries paralleling the increase of westernized diets, characterized by high protein and fat as well as excessive sugar intake, with less vegetables and fiber. Furthermore, nutrition is involved in several aspects of pediatric inflammatory bowel disease (IBD), ranging from disease etiology to induction and maintenance of remission of disease. Exclusive enteral nutrition (EEN) has been shown to induce remission, including in patients with isolated colonic disease, and leads to mucosal healing in Crohn disease (CD)...
October 13, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29034981/review-article-the-gut-microbiome-in-inflammatory-bowel-disease-avenues-for-microbial-management
#4
REVIEW
J McIlroy, G Ianiro, I Mukhopadhya, R Hansen, G L Hold
BACKGROUND: The concept of an altered collective gut microbiota rather than identification of a single culprit is possibly the most significant development in inflammatory bowel disease research. We have entered the "omics" era, which now allows us to undertake large-scale/high-throughput microbiota analysis which may well define how we approach diagnosis and treatment of inflammatory bowel disease (IBD) in the future, with a strong steer towards personalised therapeutics. AIM: To assess current epidemiological, experimental and clinical evidence of the current status of knowledge relating to the gut microbiome, and its role in IBD, with emphasis on reviewing the evidence relating to microbial therapeutics and future microbiome modulating therapeutics...
October 16, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29034790/minimal-toxicity-after-proton-beam-therapy-for-prostate-and-pelvic-nodal-irradiation-results-from-the-proton-collaborative-group-reg001-09-trial
#5
Michael D Chuong, William Hartsell, Gary Larson, Henry Tsai, George E Laramore, Carl J Rossi, J Ben Wilkinson, Adeel Kaiser, Carlos Vargas
BACKGROUND: Proton beam therapy (PBT) reduces normal organ dose compared to intensity modulated radiation therapy (IMXT) for prostate cancer patients who receive pelvic radiation therapy. It is not known whether this dosimetric advantage results in less gastrointestinal (GI) and genitourinary (GU) toxicity than would be expected from IMXT. MATERIAL AND METHODS: We evaluated treatment parameters and toxicity outcomes for non-metastatic prostate cancer patients who received pelvic radiation therapy and enrolled on the PCG REG001-09 trial...
October 14, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29034459/amelioration-of-autoimmunity-with-an-inhibitor-selectively-targeting-all-active-centers-of-the-immunoproteasome
#6
Michael Basler, Elmer Maurits, Gerjan de Bruin, Julia Koerner, Herman S Overkleeft, Marcus Groettrup
BACKGROUND AND PURPOSE: MECL-1 (β2i), LMP2 (β1i), and LMP7 (β5i) are the proteolytically active subunits of the immunoproteasome, a special type of proteasome mainly expressed in hematopoietic cells. Targeting LMP7 has been shown to be therapeutically effective in pre-clinical models of autoimmune diseases. In this study, a recently described inhibitor of the immunoproteasome LU-005i was investigated with respect to selectivity and biological activity. EXPERIMENTAL APPROACH: The specificity of LU-005i and other immunoproteasome selective inhibitors was characterized using fluorogenic peptide substrates...
October 15, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29034305/fecal-zonulin-is-elevated-in-crohn-s-disease-and-in-cigarette-smokers
#7
Karin Malíčková, Irena Francová, Milan Lukáš, Martin Kolář, Eva Králíková, Martin Bortlík, Dana Ďuricová, Lenka Štěpánková, Kamila Zvolská, Alexandra Pánková, Tomáš Zima
OBJECTIVES: Human zonulin is a protein that increases permeability in the epithelial layer of the small intestine by reversibly modulating the intercellular tight junctions. There is not sufficient information available about zonulin's participation in inflammatory bowel diseases (IBD). The aim of this study was therefore to investigate fecal and serum zonulin in IBD patients and its relation to the disease localization, behavior and smoking status. DESIGN AND METHODS: Forty IBD patients and forty healthy persons were examined for fecal and serum zonulin concentrations by competitive ELISA (DRG International Inc)...
December 2017: Pract Lab Med
https://www.readbyqxmd.com/read/29033765/celiac-disease-associated-with-a-benign-granulomatous-mass-demonstrating-self-regression-after-initiation-of-a-gluten-free-diet
#8
Abhinav Tiwari, Himani Sharma, Khola Qamar, Zubair Khan, Umar Darr, Anas Renno, Ali Nawras
Celiac disease is a chronic immune-mediated enteropathy in which dietary gluten induces an inflammatory reaction predominantly in the duodenum. Celiac disease is known to be associated with benign small bowel thickening and reactive lymphadenopathy that often regresses after the institution of a gluten-free diet. A 66-year-old male patient with celiac disease presented with abdominal pain and diarrheal illness. Computerized tomography of the abdomen revealed a duodenal mass. Endoscopic ultrasound-guided fine needle aspiration of the mass revealed bizarre stromal cells which represent a nonspecific tissue reaction to inflammation...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29033763/multiple-small-intestine-ulcers-with-desquamation-of-the-fingers
#9
Azusa Kawasaki, Kunihiro Tsuji, Hisashi Doyama
A 73-year-old female was admitted to our hospital with abdominal pain and diarrhea. Computed tomography detected distension of the small intestine. A palmar erythema, multiple oral ulcers, and desquamation of the fingers appeared after hospitalization. Small-bowel endoscopic images showed multiple ulcers. We attributed this case to infection with Yersinia pseudotuberculosis based on the changes in Y. pseudotuberculosis antibody titers throughout the course of the illness. This report is valuable, as it illustrates the endoscopic characteristics of a Y...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29033757/gallstone-ileus-an-unlikely-cause-of-mechanical-small-bowel-obstruction
#10
Estela Abich, Daniel Glotzer, Edward Murphy
Gallstone ileus is a rare disease that accounts for 1-4% of intestinal obstructions. Almost exclusively a condition in the older female population, it is a difficult diagnosis to make. We report the case of gallstone ileus in a 94-year-old Caucasian female, who presented to the emergency department with acute-onset nausea, coffee-ground emesis, lack of bowel movement, and abdominal distension. On CT scan, the diagnosis of gallstone ileus was made by the presence of a cholecystoduodenal fistula, pneumobilia, and small bowel obstruction...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29033577/are-adipocytokines-inflammatory-or-metabolic-mediators-in-patients-with-inflammatory-bowel-disease
#11
Resul Kahraman, Turan Calhan, Abdurrahman Sahin, Kamil Ozdil, Zuhal Caliskan, Elif Sinem Bireller, Bedia Cakmakoglu
This study examined the adiponectin and leptin levels and insulin resistance (IR) in patients with inflammatory bowel disease (IBD) and the associations between these factors and IBD characteristics. Fasting serum leptin, adiponectin, glucose, and insulin levels, as well as inflammatory parameters, were measured in 105 patients with IBD (49 patients with Crohn's disease [CD], 56 patients with ulcerative colitis [UC]) and 98 healthy controls [HC]. IR was evaluated using the Homeostatic Model Assessment of Insulin Resistance (HOMA-IR)...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29032767/metabonomics-uncovers-a-reversible-proatherogenic-lipid-profile-during-infliximab-therapy-of-inflammatory-bowel-disease
#12
Jacob Tveiten Bjerrum, Casper Steenholdt, Mark Ainsworth, Ole Haagen Nielsen, Michelle Ac Reed, Karen Atkins, Ulrich Leonhard Günther, Fuhua Hao, Yulan Wang
BACKGROUND: One-third of inflammatory bowel disease (IBD) patients show no response to infliximab (IFX) induction therapy, and approximately half of patients responding become unresponsive over time. Thus, identification of potential treatment response biomarkers are of great clinical significance. This study employs spectroscopy-based metabolic profiling of serum from patients with IBD treated with IFX and healthy subjects (1) to substantiate the use of spectroscopy as a semi-invasive diagnostic tool, (2) to identify potential biomarkers of treatment response and (3) to characterise the metabolic changes during management of patients with tumour necrosis factor-α inhibitors...
October 16, 2017: BMC Medicine
https://www.readbyqxmd.com/read/29032748/mechanistic-understanding-of-herbal-therapy-in-inflammatory-bowel-disease
#13
Luqing Zhao, Shengsheng Zhang, Peijian He
The incidence and prevalence of inflammatory bowel diseases (IBD), which comprise ulcerative colitis and Crohn's disease, are increasing dramatically worldwide. Immunomodulators and biological agents can help but cause severe side effects in long-term use. As such, complementary and alternative medicine, in particular herbal remedy, is becoming more and more popular in the treatment of IBD patients. Many natural compounds have been used in clinical trials and some have been proven promising in IBD treatment...
October 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29032713/intravenous-iron-treatments-for-iron-deficiency-anemia-in-inflammatory-bowel-disease-a-budget-impact-analysis-of-iron-isomaltoside-1000-monofer-in-the-uk
#14
R F Pollock, G Muduma
Iron deficiency is the leading cause of anemia in patients with inflammatory bowel disease (IBD). Intravenous iron is the first-line treatment for clinically active IBD or previous oral iron intolerance. The aim of the present study was to develop a comparative model of iron deficiency and delivery for iron isomaltoside (IIM), ferric carboxymaltose (FCM), low molecular weight iron dextran (LMWID), and iron sucrose (IS) in the treatment of iron deficiency anemia associated with IBD. Areas covered: A model was developed to evaluate iron delivery characteristics, resource use and costs associated with IIM, FCM, LMWID and IS...
October 16, 2017: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/29032599/impact-iii-is-a-valid-and-reliable-questionnaire-for-assessing-health-related-quality-of-life-in-swedish-children-with-inflammatory-bowel-disease
#15
C Uggla, V Lindh, T Lind, M Lindkvist
AIM: This study examined the reliability, validity and factor structure of the Swedish version of the IMPACT-III questionnaire for assessing health-related quality of life in children with inflammatory bowel disease. METHODS: We recruited 202 participants aged 8-18 years, who were enrolled from 16 of the 23 paediatric gastroenterology clinics across Sweden during 2010-2013. This cross-sectional study compared two versions of the IMPACT-III questionnaire - one with six factors and 35 items and one with four factors and 19 items - plus the Pediatric Quality of Life Inventory 4...
October 15, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29032452/treatment-outcomes-with-biosimilars-be-aware-of-the-nocebo-effect
#16
REVIEW
Mourad F Rezk, Burkhard Pieper
Over the years, biologic agents have proven their importance in the management of chronic autoimmune diseases, such as rheumatoid arthritis, psoriasis, and inflammatory bowel disease. Biosimilars, which are biologic medicines, are highly similar to approved biologic medicines, and are comprehensively developed and rigorously tested to ensure efficacy and safety are similar to the reference product. A broader armamentarium of biosimilars is expected to improve patients' access to safe and effective biologic medicines, thus offering benefits to healthcare systems around the globe...
October 14, 2017: Rheumatology and Therapy
https://www.readbyqxmd.com/read/29032051/bowel-endometriosis-diagnosis-and-management
#17
REVIEW
Camran Nezhat, Anjie Li, Rebecca Falik, Daniel Copeland, Gity Meshkat Razavi, Alexandra Shakib, Catalina Mihailide, Holden Bamford, Lucia DiFrancesco, Salli Tazuke, Pejman Ghanouni, Homero Rivas, Azadeh Nezhat, Ceana Nezhat, Farr Nezhat
The most common location of extra-genital endometriosis is the bowel. Medical treatment may not provide long-term improvement in patients who are symptomatic, and consequently most of these patients may require surgical intervention. Over the past century, surgeons have continued to debate the optimal surgical approach to treating bowel endometriosis, weighing the risks against the benefits. In this expert opinion we will describe how the recommended surgical approach depends largely on the location of disease, in addition to size and depth of the lesion...
October 12, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29031501/dna-methylation-and-transcription-patterns-in-intestinal-epithelial-cells-from-pediatric-patients-with-inflammatory-bowel-diseases-differentiate-disease-subtypes-and-associate-with-outcome
#18
K J Howell, J Kraiczy, K M Nayak, M Gasparetto, A Ross, C Lee, T N Mak, B-K Koo, N Kumar, T Lawley, A Sinha, P Rosenstiel, R Heuschkel, O Stegle, M Zilbauer
BACKGROUND & AIMS: We analyzed DNA methylation patterns and transcriptomes of primary intestinal epithelial cells (IEC) of children newly diagnosed with inflammatory bowel diseases (IBD) to learn more about pathogenesis. METHODS: We obtained mucosal biopsies (n=236) collected from terminal ileum and ascending and sigmoid colons of children (median age=13) newly diagnosed with IBD (43 with Crohn's disease [CD], 23 with ulcerative colitis [UC]), and 30 children without IBD (controls)...
October 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29031394/the-role-of-cysteinyl-leukotrienes-and-their-receptors-in-refractory-nasal-polyps
#19
Jintao Du, Luo Ba, Jiao Zhou, Lingyu Yu, Ruowu Liu, Jie Zhang, Feng Liu, Junming Xian, Shixi Liu, Yafeng Liu
Leukotriene signaling is essential in many diseases, including asthma, allergic rhinitis, atherosclerosis and inflammatory bowel disease. Nevertheless, the expression of cysteinyl leukotrienes (CysLTs) and its receptors (CYSLTRs) in different types of nasal polyps (NPs), and the role of their antagonist in the treatment of refractory chronic rhinosinusitis with nasal polyps (CRSwNP) are not well understood. The following study investigates the expression of CysLTs and CYSLTRs in different types of NPs, as well as the role of leukotriene receptor antagonist (montelukast) in refractory NPs...
November 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/29030987/nod1-downregulates-intestinal-serotonin-transporter-and-interacts-with-other-pattern-recognition-receptors
#20
Elena Layunta, Eva Latorre, Raquel Forcén, Laura Grasa, Miguel Ángel Plaza, Maykel Arias, Ana I Alcalde, José E Mesonero
Serotonin (5-HT) is an essential gastrointestinal modulator whose effects regulate the intestinal physiology. 5-HT effects depend on extracellular 5-HT bioavailability, which is controlled by the serotonin transporter (SERT) expressed in both the apical and basolateral membranes of enterocytes. SERT is a critical target for regulating 5-HT levels and consequently, modulating the intestinal physiology. The deregulation of innate immune receptors has been extensively studied in inflammatory bowel diseases (IBD), where an exacerbated defense response to commensal microbiota is observed...
October 14, 2017: Journal of Cellular Physiology
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