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https://www.readbyqxmd.com/read/28742696/transanal-versus-transabdominal-minimally-invasive-completion-proctectomy-with-ileal-pouch-anal-anastomosis-in-ulcerative-colitis-a-comparative-study
#1
Anthony de Buck van Overstraeten, Anders Mark-Christensen, Karin A Wasmann, Vivian P Bastiaenen, Christianne J Buskens, Albert M Wolthuis, Koen Vanbrabant, André D'hoore, Willem A Bemelman, Anders Tottrup, Pieter J Tanis
OBJECTIVE: This study aims to compare surgical outcome of transanal ileal pouch-anal anastomosis (ta-IPAA) with transabdominal minimal invasive approach in ulcerative colitis (UC), using the comprehensive complication index (CCI). BACKGROUND: Recent evolutions in rectal cancer surgery led to transanal dissection of the rectum resulting in a better exposure of the distal rectum and presumed better outcome. The same approach was introduced for patients with UC, resulting in decreased invasiveness...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28742404/pregnane-x-receptor-polymorphisms-and-risk-of-inflammatory-bowel-disease-a-meta-analysis
#2
Xiaolan Guo, Ming Yan
BACKGROUND: Pregnane X receptor (PXR) gene polymorphisms have been widely studied in terms of the association with inflammatory bowel disease (IBD), with inconsistent results. OBJECTIVE: The present meta-analysis was performed to assess the association between PXR gene polymorphisms and the susceptibility of IBD, Crohn's disease (CD), and ulcerative colitis (UC). METHODS: PubMed, Wanfang, and CNKI databases were searched for eligible studies before November 1, 2016...
July 25, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28742273/protein-secondary-structure-analysis-of-dried-blood-serum-using-infrared-spectroscopy-to-identify-markers-for-colitis-screening
#3
Jitto Titus, Hemendra Ghimire, Emilie Viennois, Didier Merlin, A G Unil Perera
There remains a great need for diagnosis of inflammatory bowel disease (IBD), for which the current technique, colonoscopy, is costly and also has risks for complications. Attenuated Total Reflectance Fourier Transform Infrared (ATR-FTIR) spectroscopy is a new screening technique to evaluate colitis. Using second derivative spectral deconvolution of the absorbance spectra, a full set of spectral markers were identified based on statistical analysis. Using this method, Amide I group frequencies, (specifically, alpha helix to beta sheet ratio of the protein secondary structure) were identified in addition to the previously reported glucose and mannose signatures in sera of chronic and acute mice models of colitis...
July 25, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28741097/distribution-and-phylogenetic-analysis-of-blastocystis-sp-subtypes-isolated-from-ibd-patients-and-healthy-individuals-in-iran
#4
H Mirjalali, M R Abbasi, N Naderi, Z Hasani, E S Mirsamadi, C R Stensvold, H Balaii, H Asadzadeh Aghdaei, M R Zali
Blastocystis is a single-celled intestinal parasite commonly found in humans and a broad range of animals all over the world. In humans, its role in health and disease remains unsettled. The aim of our study was to investigate the distribution of Blastocystis and Blastocystis subtypes (ST) in patients with inflammatory bowel disease (IBD) and control subjects. A total of 71 stool samples were collected from IBD patients, 69 and 2 of whom had ulcerative colitis (UC) and Crohn's Disease (CD), respectively. Moreover, 166 stool samples from healthy subjects were included as control samples...
July 25, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28740843/comparative-readability-analysis-of-online-patient-education-resources-on-inflammatory-bowel-diseases
#5
Rishabh Gulati, Mohammad Nawaz, Linh Lam, Nikolaos T Pyrsopoulos
BACKGROUND: The National Institutes of Health recommend a readability grade level of less than 7th grade for patient directed information. In this study, we use validated readability metrics to analyze patient information from prominent websites pertaining to ulcerative colitis and Crohn's disease. METHODS: The terms "Crohn's Disease," "Ulcerative Colitis," and "Inflammatory Bowel Disease" were queried on Google and Bing. Websites containing patient education material were saved as a text file and then modified through expungement of medical terminology that was described within the text...
2017: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28740351/partners-of-patients-with-ulcerative-colitis-exhibit-a-biologically-relevant-dysbiosis-in-fecal-microbial-metacommunities
#6
Guang-Lan Chen, Ye Zhang, Wang-Yue Wang, Xue-Liang Ji, Fei Meng, Pei-Song Xu, Ning-Min Yang, Fu-Qiang Ye, Xiao-Chen Bo
AIM: To investigate alterations in the fecal microbiome using 16S rRNA amplicon sequencing in couples in the same cohabitation environment. METHODS: Fecal samples were collected from eight ulcerative colitis (UC) patients and their healthy partners at Lishui People's Hospital, Zhejiang Province, China. DNA was extracted and the variable regions V3 and V4 of the 16S rRNA genes were PCR amplified using a two-step protocol. Clear reads were clustered into operational taxonomic units (OTUs) at the 97% sequence similarity level using UCLUST v1...
July 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28739791/protection-of-hamsters-from-mortality-by-reducing-fecal-moxifloxacin-concentration-with-dav131a-in-a-model-of-moxifloxacin-induced-clostridium-difficile-colitis
#7
Charles Burdet, Sakina Sayah-Jeanne, Thu Thuy Nguyen, Christine Miossec, Nathalie Saint-Lu, Mark Pulse, William Weiss, Antoine Andremont, France Mentré, Jean de Gunzburg
BACKGROUND: Lowering the gut exposure to antibiotics during treatments can prevent microbiota disruption. We evaluated the effect of an activated charcoal-based adsorbent, DAV131A, on fecal free moxifloxacin concentration and mortality in a hamster model of moxifloxacin-induced C. difficile infection. METHODS: 215 hamsters receiving moxifloxacin subcutaneously (D1-D5) were orally infected at D3 with C. difficile spores. They received various doses (0-1800mg/kg/day) and schedules (BID, TID) of DAV131A (D1-D8)...
July 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28739432/magnetic-resonance-enterography-with-oral-mannitol-solution-diagnostic-efficacy-and-image-quality-in-crohn-disease
#8
M Koplay, S Guneyli, H Cebeci, H Korkmaz, H H Emiroglu, T Sekmenli, Y Paksoy
PURPOSE: The aim of this study was to investigate the diagnostic efficacy and image quality of magnetic resonance enterography (MRE) using oral mannitol solution for the evaluation Crohn disease (CD). MATERIALS AND METHODS: We retrospectively evaluated MRE examinations of 153 patients with an assumed or definitive diagnosis of CD. There were 65 men and 88 women, with a mean age of 35.7 years (range: 6-73years). MRE findings of the patients were compared to histopathologic results obtained by surgery-fiberoptic endoscopy...
July 21, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28738019/barrier-busting-yeast-brew-trouble-in-the-gut
#9
Rachael A Clark
Saccharomyces cerevisiae, a common yeast in the gut, induces uric acid production by intestinal epithelium, leading to decreased barrier function and increased colitis in mouse models.
April 7, 2017: Science Immunology
https://www.readbyqxmd.com/read/28737994/impact-of-a-patient-support-program-on-patient-adherence-to-adalimumab-and-direct-medical-costs-in-crohn-s-disease-ulcerative-colitis-rheumatoid-arthritis-psoriasis-psoriatic-arthritis-and-ankylosing-spondylitis
#10
David T Rubin, Manish Mittal, Matthew Davis, Scott Johnson, Jingdong Chao, Martha Skup
BACKGROUND: AbbVie provides a free-to-patient patient support program (PSP) to assist adalimumab-treated patients with medication costs, nurse support, injection training, pen disposal, and medication reminders. The impact of these services on patient adherence to adalimumab and direct medical costs associated with autoimmune disease has not been assessed. OBJECTIVE: To quantify the relationship between participation in a PSP and outcomes (adalimumab adherence, persistence, and direct medical costs) in patients initiating adalimumab treatment...
August 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28737646/crp-albumin-ratio-an-early-predictor-of-steroid-responsiveness-in-acute-severe-ulcerative-colitis
#11
David J Gibson, Karen Hartery, Jayne Doherty, Jack Nolan, Denise Keegan, Kathryn Byrne, Sean T Martin, Maire Buckley, Juliette Sheridan, Gareth Horgan, Hugh E Mulcahy, Garret Cullen, Glen A Doherty
INTRODUCTION: Identifying hospitalized patients with acute severe ulcerative colitis (ASUC) who will be refractory to corticosteroid therapy and require rescue therapy remains difficult. Hypoalbuminemia worsens with time during hospitalization and is associated with rapid clearance of and reduced response to infliximab (IFX) rescue. Early use of rescue therapy may therefore be more effective. Simple clinical and laboratory predictors of corticosteroid responsiveness would facilitate earlier use of rescue therapy...
July 21, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28736844/newly-designed-silica-containing-redox-nanoparticles-for-oral-delivery-of-novel-top2-catalytic-inhibitor-for-treating-colon-cancer
#12
Long Binh Vong, Shinya Kimura, Yukio Nagasaki
Although oral drug delivery is the most common route of drug administration, the conventional polymeric nanocarriers exhibit a low drug loading capacity and low stability in the gastrointestinal (GI) environments. In this study, a newly designed silica-containing redox nanoparticle (siRNP) with reactive oxygen species (ROS) scavenging capacity is developed as an ideal oral nanocarrier for a novel hydrophobic anticancer compound BNS-22 to treat colitis-associated colon cancer in vivo. Crosslinking of silica moieties significantly enhances the stability under acidic conditions and improves BNS-22 loading capacity of siRNP compared to the conventional redox nanoparticle...
July 24, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28736259/molecular-epidemiology-and-antimicrobial-susceptibility-of-clostridium-difficile-isolated-from-the-chinese-people-s-liberation-army-general-hospital-in-china
#13
Rui Wang, Hui Xia Chen, Lin Jian Song, Yue Yun Shen, Yan Ping Luo
Clostridium difficile is a gram-positive, spore-forming obligate anaerobe responsible for antibiotic-associated diarrhea. Its virulence is associated with the production of endotoxins A and B and endospores, which can cause symptoms, such as diarrhea, toxic megacolon and pseudomembranous colitis. Given the increasing elderly population and the well-recognized problem of over-prescribing of broad spectrum antibiotics, it is critical to understand molecular epidemiology and antimicrobial susceptibility in China...
July 20, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28735981/autoimmune-liver-disease-in-children-with-sickle-cell-disease
#14
Suttiruk Jitraruch, Emer Fitzpatrick, Maesha Deheragoda, Annamaria Deganello, Giorgina Mieli-Vergani, Susan Height, David Rees, Nedim Hadzic, Marianne Samyn
OBJECTIVE: To assess the incidence, clinical features, and outcome of autoimmune liver disease (AILD) in patients with sickle cell disease (SCD). STUDY DESIGN: Single center retrospective review of patients with SCD with AILD referred between 1999 and 2015. RESULTS: Thirteen of 77 (17%) patients with SCD with hepatic dysfunction were diagnosed with AILD (median age 11, range, 3.4-16 years) with a female preponderance (77%). Acute hepatitis and insidious onset were the commonest presentations...
July 20, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28735301/effect-of-faecal-calprotectin-assay-variability-on-the-management-of-inflammatory-bowel-disease-and-potential-role-of-faecal-s100a12
#15
Simon John Whitehead, Clare Ford, Rousseau Mariano Gama, Ala Ali, Brian McKaig, Jenna Louise Waldron, Helen Steed, Matthew James Brookes
AIMS: To prospectively evaluate whether between-assay variability of different faecal calprotectin (f-Cp) assays influences diagnostic accuracy for inflammatory bowel disease (IBD) in a cohort of patients with confirmed IBD and irritable bowel syndrome (IBS). To also evaluate the diagnostic accuracy of faecal S100A12 (f-S100A12) against f-Cp in the same patient cohort and assess whether f-S100A12 offers additional diagnostic value. METHODS: F-Cp using four commercially available f-Cp assays, f-S100A12 and blood biomarkers were measured in patients, recruited from the local IBD clinic, who had established IBS or active ulcerative colitis (UC) and Crohn's disease (CD)...
July 22, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28734901/gastroresistant-oral-peptide-for-fluorescence-imaging-of-colonic-inflammation
#16
Paola Luciani, Ander Estella-Hermoso de Mendoza, Tommaso Casalini, Silvia Lang, Kirstin Atrott, Marianne R Spalinger, Anna Pratsinis, Jens Sobek, Isabelle Frey-Wagner, Jens Schumacher, Jean-Christophe Leroux, Gerhard Rogler
The use of molecular markers for inflammation in the gastrointestinal tract could empower optical imaging modalities for early diagnosis and eventually personalized timely treatments. A major hurdle to the widespread use of functional fluorescence imaging is the absence of suitable contrast agents, in particular to be administered via the oral route due to the usual proteolytic susceptibility of the biomarkers. By designing a retro-inverso peptide, starting from a previously described sequence specific for N-cadherin, we achieved resistance to gastrointestinal degradation and even slightly improved specificity towards the target, both in ex vivo and in vivo experimental colitis...
July 19, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28733704/-adverse-effects-of-immunotherapy-clinical-aspects-radiological-and-nuclear-medicine-results
#17
REVIEW
G Widmann, V A Nguyen, J Plaickner, W Jaschke
BACKGROUND: The increasing use of immunotherapy in oncology increases the need for radiologic evaluation of frequent and severe immune-related adverse events. OBJECTIVE: Determination of the incidence and manifestation of radiologic and nuclear medicine findings of immune-related adverse events. MATERIAL AND METHODS: Literature review of clinical and imaging findings of immune-related adverse events induced by the immune checkpoint inhibitors ipilimumab, nivolumab and pembrolizumab...
July 21, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28733636/pi3k-p85%C3%AE-subunit-deficient-macrophages-protect-mice-from-acute-colitis-due-to-the-enhancement-of-il-10-production
#18
Shusaku Hayashi, Takayuki Hamada, Donald G A Zinsou, Momoe Oshiro, Kana Itoi, Takeshi Yamamoto, Makoto Kadowaki
We investigated the role of the PI3K p85α subunit in the development of acute colitis with a focus on intestinal macrophages. Experimental acute colitis was induced using 3% dextran sulfate sodium (DSS) in drinking water for 7 days. The severity of DSS-induced acute colitis was significantly attenuated in p85α hetero-deficient (p85α+/-) mice compared with WT mice. The expression of proinflammatory mediators in intestinal macrophages isolated from the inflamed colonic mucosa was significantly suppressed in p85α+/- colitis mice compared with WT colitis mice...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28733528/analyses-of-selected-safety-endpoints-in-phase-1-and-late-phase-clinical-trials-of-anti-pd-1-and-pd-l1-inhibitors-prediction-of-immune-related-toxicities
#19
Ricardo Costa, Rubens B Costa, Sarah M Talamantes, Irene Helenoswki, Benedito A Carneiro, Young Kwang Chae, William J Gradishar, Razelle Kurzrock, Francis J Giles
PURPOSE: Anti-PD1 and PD-L1 antibodies are associated with immune-related adverse effects (irAEs). This analysis aims to assess the discrepancies between frequencies of irAEs observed in phase 1 trials with those seen in late-phase trials and to evolve the field of drug development. METHODS: PubMed search was conducted for articles published until December of 2016. Trials needed to have at least one of the study arms consisting of nivolumab, pembrolizumab or atezolizumab monotherapy...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733471/helicobacter-species-are-potent-drivers-of-colonic-t-cell-responses-in-homeostasis-and-inflammation
#20
Jiani N Chai, Yangqing Peng, Sunaina Rengarajan, Benjamin D Solomon, Teresa L Ai, Zeli Shen, Justin S A Perry, Kathryn A Knoop, Takeshi Tanoue, Seiko Narushima, Kenya Honda, Charles O Elson, Rodney D Newberry, Thaddeus S Stappenbeck, Andrew L Kau, Daniel A Peterson, James G Fox, Chyi-Song Hsieh
Specific gut commensal bacteria improve host health by eliciting mutualistic regulatory T (Treg) cell responses. However, the bacteria that induce effector T (Teff) cells during inflammation are unclear. We addressed this by analyzing bacterial-reactive T cell receptor (TCR) transgenic cells and TCR repertoires in a murine colitis model. Unexpectedly, we found that mucosal-associated Helicobacter species triggered both Treg cell responses during homeostasis and Teff cell responses during colitis, as suggested by an increased overlap between the Teff/Treg TCR repertoires with colitis...
July 21, 2017: Science Immunology
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