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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
#1
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/29034459/amelioration-of-autoimmunity-with-an-inhibitor-selectively-targeting-all-active-centers-of-the-immunoproteasome
#2
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/28991085/crohn-s-disease-of-the-pouch-a-true-diagnosis-or-an-oversubscribed-diagnosis-of-exclusion
#3
Amy L Lightner, Joel G Fletcher, John H Pemberton, Kellie L Mathis, Laura E Raffals, Thomas Smyrk
BACKGROUND: After IPAA, 8% of patients with ulcerative colitis are later diagnosed with Crohn's disease of the pouch, associated with an increased rate of pouch failure. No study has reported on how often the clinical diagnosis is correlated with histologic findings of Crohn's disease in the excised pouch. OBJECTIVE: The purpose of this study was to determine whether the clinical diagnosis is consistent with pathologic confirmation at pouch excision. SETTINGS: The study was conducted at a tertiary IBD referral center...
November 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28977914/potential-link-between-fusobacterium-enrichment-and-dna-methylation-accumulation-in-the-inflammatory-colonic-mucosa-in-ulcerative-colitis
#4
Tomomitsu Tahara, Ichiro Hirata, Naoko Nakano, Sayumi Tahara, Noriyuki Horiguchi, Tomohiko Kawamura, Masaaki Okubo, Takamitsu Ishizuka, Hyuga Yamada, Dai Yoshida, Takafumi Ohmori, Kohei Maeda, Naruomi Komura, Hirokazu Ikuno, Yasutaka Jodai, Toshiaki Kamano, Mitsuo Nagasaka, Yoshihito Nakagawa, Tetsuya Tuskamoto, Makoto Urano, Tomoyuki Shibata, Makoto Kuroda, Naoki Ohmiya
BACKGROUND AND AIM: Fusobacterium enrichment has been associated with colorectal cancer development. Ulcerative colitis (UC) associated tumorigenesis is characterized as high degree of methylation accumulation through continuous colonic inflammation. The aim of this study was to investigate a potential link between Fusobacterium enrichment and DNA methylation accumulation in the inflammatory colonic mucosa in UC. METHODS: In the candidate analysis, inflamed colonic mucosa from 86 UC patients were characterized the methylation status of colorectal a panel of cancer related 24 genes...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28951510/increased-cholestatic-enzymes-in-two-patients-with-long-term-history-of-ulcerative-colitis-consider-primary-biliary-cholangitis-not-always-primary-sclerosing-cholangitis
#5
Erietta Polychronopoulou, Vasiliki Lygoura, Nikolaos K Gatselis, George N Dalekos
Several hepatobiliary disorders have been reported in ulcerative colitis (UC) patients with primary sclerosing cholangitis (PSC) being the most specific. Primary biliary cholangitis (PBC), previously known as primary biliary cirrhosis, rarely occurs in UC. We present two PBC cases of 67 and 71 years who suffered from long-standing UC. Both patients were asymptomatic but they had increased cholestatic enzymes and high titres of antimitochondrial antibodies (AMA)-the laboratory hallmark of PBC. After careful exclusion of other causes of cholestasis by MRI/magnetic resonance cholangiopancreatography (MRCP), virological and microbiological investigations, a diagnosis of PBC associated with UC was established...
September 25, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28766553/regulatory-t-cells-with-superior-immunosuppressive-capacity-emigrate-from-the-inflamed-colon-to-draining-lymph-nodes
#6
Y Nakanishi, R Ikebuchi, T Chtanova, Y Kusumoto, H Okuyama, T Moriya, T Honda, K Kabashima, T Watanabe, Y Sakai, M Tomura
Foxp3(+) Regulatory T cells (Tregs) play a critical role in the maintenance of colon homeostasis. Here we utilized photoconvertible KikGR mice to track immune cells from the caecum and ascending (proximal) colon in the steady state and DSS-induced colitis. We found that Tregs from the proximal colon (colonic migratory Tregs) migrated exclusively to the distal part of mesenteric lymph nodes (dMLN) in an S1PR1-dependent process. In the steady state, colonic migratory CD25(+) Tregs expressed higher levels of CD103, ICOS, LAG3 and CTLA-4 in comparison with pre-existing LN Tregs...
August 2, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28765569/locus-of-adhesion-and-autoaggregation-laa-a-pathogenicity-island-present-in-emerging-shiga-toxin-producing-escherichia-coli-strains
#7
David A Montero, Juliana Velasco, Felipe Del Canto, Jose L Puente, Nora L Padola, David A Rasko, Mauricio Farfán, Juan C Salazar, Roberto Vidal
Shiga Toxin-producing Escherichia coli (STEC) are a group of foodborne pathogens associated with diarrhea, dysentery, hemorrhagic colitis (HC) and hemolytic uremic syndrome (HUS). Shiga toxins are the major virulence factor of these pathogens, however adhesion and colonization to the human intestine is required for STEC pathogenesis. A subset of STEC strains carry the Locus of Enterocyte Effacement (LEE) pathogenicity island (PAI), which encodes genes that mediate the colonization of the human intestine. While LEE-positive STEC strains have traditionally been associated with human disease, the burden of disease caused by STEC strains that lacks LEE (LEE-negative) has increased recently in several countries; however, in the absence of LEE, the molecular pathogenic mechanisms by STEC strains are unknown...
August 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28723632/potential-link-between-fusobacterium-enrichment-and-dna-methylation-accumulation-in-the-inflammatory-colonic-mucosa-in-ulcerative-colitis
#8
Tomomitsu Tahara, Ichiro Hirata, Naoko Nakano, Sayumi Tahara, Noriyuki Horiguchi, Tomohiko Kawamura, Masaaki Okubo, Takamitsu Ishizuka, Hyuga Yamada, Dai Yoshida, Takafumi Ohmori, Kohei Maeda, Naruomi Komura, Hirokazu Ikuno, Yasutaka Jodai, Toshiaki Kamano, Mitsuo Nagasaka, Yoshihito Nakagawa, Tetsuya Tuskamoto, Makoto Urano, Tomoyuki Shibata, Makoto Kuroda, Naoki Ohmiya
BACKGROUND AND AIM: Fusobacterium enrichment has been associated with colorectal cancer development. Ulcerative colitis (UC) associated tumorigenesis is characterized as high degree of methylation accumulation through continuous colonic inflammation. The aim of this study was to investigate a potential link between Fusobacterium enrichment and DNA methylation accumulation in the inflammatory colonic mucosa in UC. METHODS: In the candidate analysis, inflamed colonic mucosa from 86 UC patients were characterized the methylation status of colorectal a panel of cancer related 24 genes...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28691939/autoantibodies-against-glycoprotein-2-isoforms-in-pediatric-patients-with-inflammatory-bowel-disease
#9
Nadja Röber, Lydia Noß, Alexander Goihl, Dirk Reinhold, Josefine Jahn, Jan de Laffolie, Wolf Johannes, Gunter M Flemming, Dirk Roggenbuck, Karsten Conrad, Martin W Laass
BACKGROUND: Anti-Glycoprotein 2 (GP2) antibodies are associated with a more complicated course of Crohn's disease (CD) in adults. Four different GP2 isoforms with different length and antibody-binding sites have been identified so far but not been explored in serological studies. We aimed to investigate the diagnostic utility of autoantibodies against all 4 isoforms of GP2 in an exclusively pediatric population for the first time. METHODS: We included 278 children and adolescents with inflammatory bowel disease: 164 with CD, 114 with ulcerative colitis, 83 disease controls (acute gastrointestinal infection, nonspecific gastrointestinal functional disorders), and 219 healthy controls...
July 6, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28674245/a-c8-modified-graphene-msio2-composites-based-method-for-quantification-of-gallic-acid-in-rat-plasma-after-oral-administration-of-changtai-granule-and-its-application-to-pharmacokinetics
#10
Chen Xu, Yingjia Yu, Li Ling, Yang Wang, Jundong Zhang, Yan Li, Gengli Duan
A rapid, effective extraction technique has been established for measuring the gallic acid in rat plasma by using sandwich-structured graphene/mesoporous silica composites with C8-modified interior pore-walls as adsorbent. The unique characteristics of the graphene-silica composites excluded large molecules, like proteins, from the mesopore channels as a result of size exclusion effect, leading to a direct extraction of drug molecules from protein-rich biological samples such as plasma without any other pretreatment procedure...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28670225/management-of-ulcerative-colitis-in-taiwan-consensus-guideline-of-the-taiwan-society-of-inflammatory-bowel-disease
#11
REVIEW
Shu-Chen Wei, Ting-An Chang, Te-Hsin Chao, Jinn-Shiun Chen, Jen-Wei Chou, Yenn-Hwei Chou, Chiao-Hsiung Chuang, Wen-Hung Hsu, Tien-Yu Huang, Tzu-Chi Hsu, Chun-Chi Lin, Hung-Hsin Lin, Jen-Kou Lin, Wei-Chen Lin, Yen-Hsuan Ni, Ming-Jium Shieh, I-Lun Shih, Chia-Tung Shun, Yuk-Ming Tsang, Cheng-Yi Wang, Horng-Yuan Wang, Meng-Tzu Weng, Deng-Chyang Wu, Wen-Chieh Wu, Hsu-Heng Yen, Jau-Min Wong
Ulcerative colitis (UC) is an inflammatory bowel disease characterized by chronic mucosal inflammation of the colon, and the prevalence and incidence of UC have been steadily increasing in Taiwan. A steering committee was established by the Taiwan Society of Inflammatory Bowel Disease to formulate statements on the diagnosis and management of UC taking into account currently available evidence and the expert opinion of the committee. Accurate diagnosis of UC requires thorough clinical, endoscopic, and histological assessment and careful exclusion of differential diagnoses, particularly infectious colitis...
July 2017: Intestinal Research
https://www.readbyqxmd.com/read/28663163/validation-of-an-improved-computer-assisted-technique-for-mining-free-text-electronic-medical-records
#12
Marco Duz, John F Marshall, Tim Parkin
BACKGROUND: The use of electronic medical records (EMRs) offers opportunity for clinical epidemiological research. With large EMR databases, automated analysis processes are necessary but require thorough validation before they can be routinely used. OBJECTIVE: The aim of this study was to validate a computer-assisted technique using commercially available content analysis software (SimStat-WordStat v.6 (SS/WS), Provalis Research) for mining free-text EMRs. METHODS: The dataset used for the validation process included life-long EMRs from 335 patients (17,563 rows of data), selected at random from a larger dataset (141,543 patients, ~2...
June 29, 2017: JMIR Medical Informatics
https://www.readbyqxmd.com/read/28638582/an-overview-of-inflammatory-bowel-disease-general-consideration-and-genetic-screening-approach-in-diagnosis-of-early-onset-subsets
#13
REVIEW
Shahram Nemati, Shahram Teimourian
Inflammatory bowel disease (IBD) is the consequence of an aberrant hemostasis of the immune cells at the gut mucosal border. Based on clinical manifestation, laboratory tests, radiological studies, endoscopic and histological features, this disease is divided into three main types including Crohn's disease (CD), Ulcerative colitis (UC), and IBDunclassified (IBD-U). IBD is frequently presented in adults, but about 20% of IBD cases are diagnosed during childhood called pediatric IBD (PIBD). Some patients in the latter group emerge the first symptoms during infancy or under 5 years of age named infantile and very early onset IBD (VEO-IBD), respectively...
April 2017: Middle East Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28614561/association-of-preoperative-anti-tumor-necrosis-factor-therapy-with-adverse-postoperative-outcomes-in-patients-undergoing-abdominal-surgery-for-ulcerative-colitis
#14
Audrey S Kulaylat, Afif N Kulaylat, Eric W Schaefer, Andrew Tinsley, Emmanuelle Williams, Walter Koltun, Christopher S Hollenbeak, Evangelos Messaris
Importance: Despite the increasing use of anti-tumor necrosis factor (TNF) therapy in ulcerative colitis, its effects on postoperative outcomes remain unclear, with many patients requiring surgical intervention despite optimal medical management. Objective: To assess the association of preoperative use of anti-TNF agents with adverse postoperative outcomes. Design, Setting, and Participants: This analysis used insurance claims data from a large national database to identify patients 18 years or older with ulcerative colitis...
August 16, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28597827/inflammatory-bowel-disease-in-childhood-and-adolescence
#15
Jan Däbritz, Patrick Gerner, Axel Enninger, Martin Claßen, Michael Radke
BACKGROUND: The incidence of inflammatory bowel disease (IBD) in childhood and adolescence is 5-11 cases per 100 000 persons per year, corresponding to a new diagnosis of IBD in 800-1470 patients in Germany each year. METHODS: This review is based on pertinent publications retrieved by a selective search in PubMed, including guidelines from Germany and abroad. RESULTS: Children and adolescents with IBD often have extensive involvement and an aggressive course of disease...
May 12, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28588885/elevated-trimethylamine-n-oxide-tmao-is-associated-with-poor-prognosis-in-primary-sclerosing-cholangitis-patients-with-normal-liver-function
#16
Martin Kummen, Mette Vesterhus, Marius Trøseid, Bjørn Moum, Asbjørn Svardal, Kirsten Muri Boberg, Pål Aukrust, Tom Hemming Karlsen, Rolf Kristian Berge, Johannes Roksund Hov
BACKGROUND: Trimethylamine-N-oxide (TMAO) is produced in the liver from trimethylamine, which is exclusively generated by gut bacteria. OBJECTIVE: The objective of this article is to investigate the relationship between TMAO and primary sclerosing cholangitis (PSC) and its clinical characteristics. METHODS: Serum TMAO was measured in 305 PSC patients, 90 ulcerative colitis patients and 99 healthy controls. RESULTS: In PSC patients with normal liver function (n = 197), TMAO was higher in patients reaching liver transplantation or death during follow-up than those who did not, with an optimal TMAO cut-off of 4...
June 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28573652/systematic-review-with-meta-analysis-the-impact-of-a-depressive-state-on-disease-course-in-adult-inflammatory-bowel-disease
#17
REVIEW
C Alexakis, S Kumar, S Saxena, R Pollok
BACKGROUND: Despite a higher prevalence of psychosocial morbidity in Inflammatory Bowel Disease (IBD), the association between depressive state and disease course in IBD is poorly understood. AIM: To investigate the impact of depressive state on disease course in IBD. METHODS: We conducted a systematic review in MEDLINE, EMBASE, the Cochrane Database of Systematic Reviews and PsychINFO for prospective studies evaluating the impact of baseline depressive state on subsequent disease course in adult IBD...
August 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28572713/specific-gene-and-microrna-expression-pattern-contributes-to-the-epithelial-to-mesenchymal-transition-in-a-rat-model-of-experimental-colitis
#18
Éva Boros, Marianna Csatári, Csaba Varga, Balázs Bálint, István Nagy
The aim of this study was to determine the gene- and microRNA-expression profile contributing to epithelial to mesenchymal transition in a rat model of experimental colitis. For this, inflammation was induced by injecting 2,4,6-trinitrobenzene sulphonic acid to the colon of male Wistar rats. Samples were taken from both inflamed and uninflamed regions of the same colon, total RNA was isolated, and the mRNA and microRNA expressions were monitored. We have determined that the expression of genes responsible for inducing mesenchymal phenotype, such as Egr1, Fgf2, Fgf7, Jak2, Notch2, Hif1α, Zeb2, Mmp9, Lox, and Vim, was all significantly induced in the inflamed regions of the affected colons while the epithelial marker E-cadherin (Cdh1) was downregulated...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28493876/the-effect-of-sphingosine-1-phosphate-on-colonic-smooth-muscle-contractility-modulation-by-tnbs-induced-colitis
#19
Aishah Al-Jarallah, Mabayoje Oriowo
AIM: Increased levels of circulating sphingosine-1-phosphate (S1P) have been reported in ulcerative colitis. The objective of this study was to examine the effect of S1P on colonic smooth muscle contractility and how is it affected by colitis. METHODS: Colonic inflammation was induced by intrarectal administration of trinitrobenzene sulfonic acid. Five days later colon segments were isolated and used for contractility experiments and immunoblotting. RESULTS: S1P contracted control and inflamed colon segments and the contraction was significantly greater in inflamed colon segments...
2017: PloS One
https://www.readbyqxmd.com/read/28400083/proposal-for-an-anti-tnf-exit-strategy-based-on-trough-serum-level
#20
Ulf Helwig, Frederik Lutter, Nadine Koppka, Stefan Schreiber
BACKGROUND AND AIMS: The aim of the study was to evaluate, if the strategy to stop anti-TNF treatment after determination of low trough serum levels and exclusion of inflammation is associated with lower relapse rates. METHODS: Since 2013 we followed an exit strategy in patients treated with anti-TNF treatment for inflammatory bowel disease based on trough serum levels. The relapse rates were observed prospectively, data analysis was performed in a retrospective manner of the collected clinical data...
April 8, 2017: Biologicals: Journal of the International Association of Biological Standardization
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