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https://www.readbyqxmd.com/read/28941417/protective-role-of-liriodendrin-in-mice-with-dextran-sulphate-sodium-induced-ulcerative-colitis
#1
Zhen Zhang, Lei Yang, Botao Wang, Lanqiu Zhang, Qi Zhang, Dihua Li, Shukun Zhang, Hongwei Gao, Ximo Wang
Sargentodoxa cuneata, containing syringaresinol and its glycoside liriodendrin as the main bioactive compounds, is a well-known traditional Chinese medicine for treating intestinal inflammation. In our preliminary study, liriodendrin inhibited NF-kB activation in sepsis-induced acute lung injury. The present study was designed to investigate its effect on dextran sulfate sodium (DSS)-induced colitis in a mouse model and to explore the possible related mechanisms. Experimental colitis was established by giving mice drinking water containing 3% (w/v) DSS for 7days...
September 20, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28938443/microbiota-dependent-induction-of-colonic-cyp27b1-is-associated-with-colonic-inflammation-implication-of-locally-produced-1-25-dihydroxyvitamin-d-in-inflammatory-regulation-in-the-colon
#2
Jie Du, Xinzhi Wei, Xin Ge, Yinyin Chen, Yan Chun Li
Our recent studies demonstrated that intestinal epithelial vitamin D receptor (VDR) signaling plays a critical role in regulating colonic inflammation by protecting epithelial barrier integrity. Epithelial VDR is down-regulated in colitis, but how mucosal inflammation affects local 1,25-dihydroxyvitamin D (1,25(OH)2D3) production is unknown. Here we showed that Cyp27b1, a cytochrome P450 enzyme required for 1,25(OH)2D3 biosynthesis, is highly induced in colonic mucosa in inflammatory response. While VDR is reduced in colon biopsies from patients with ulcerative colitis, Cyp27b1 is markedly up-regulated in these samples...
September 18, 2017: Endocrinology
https://www.readbyqxmd.com/read/28935001/lack-of-effect-of-murine-astrovirus-infection-on-dextran-sulfate-induced-colitis-in-nlrp3-deficient-mice
#3
Susan R Compton, Carmen J Booth, James D Macy
Murine astrovirus (MuAstV) is a recently identified, widespread infection among laboratory mice. MuAstV is found predominantly in the gastrointestinal tract of mice. Human and turkey astroviruses have been shown to disrupt tight junctions in the intestinal epithelium. The potential of MuAstV to alter research results was tested in a well-established dextran sodium sulfate (DSS)-induced colitis model in Nod-like receptor 3 (NLRP3)-deficient mice. This model offers a direct approach to determine whether MuAstV, as a component of the mouse microbiome, contributes to the issue of poor reproducibility in murine inflammatory bowel disease research...
October 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28934315/usefulness-of-fecal-calprotectin-for-the-early-prediction-of-short-term-outcomes-of-remission-induction-treatments-in-ulcerative-colitis-in-comparison-with-two-item-patient-reported-outcome
#4
Takahiko Toyonaga, Taku Kobayashi, Masaru Nakano, Eiko Saito, Satoko Umeda, Shinji Okabayashi, Ryo Ozaki, Toshifumi Hibi
BACKGROUND: Fecal calprotectin (FC) is well accepted as a non-invasive biomarker which objectively reflects colonic inflammation in ulcerative colitis (UC). However, its value as a marker of response during the early phase of remission induction treatment has not been well studied. The aim of this study is to evaluate the significance of FC for predicting the short-term outcomes of remission induction treatment in patients with UC. METHODS: A prospective observational study was conducted among 31 patients with active UC...
2017: PloS One
https://www.readbyqxmd.com/read/28934017/p53-and-mir-34b-c-genetic-variation-and-their-impact-on-ulcerative-colitis-susceptibility
#5
Z Hosseinpour, Z Salehi, S Talesh Sasani, K Aminian
No abstract text is available yet for this article.
September 21, 2017: British Journal of Biomedical Science
https://www.readbyqxmd.com/read/28932838/engineered-biomimetic-nanovesicles-show-intrinsic-anti-inflammatory-properties-for-the-treatment-of-inflammatory-bowel-diseases
#6
Claudia Corbo, Walter E Cromer, Roberto Molinaro, Naama E Toledano Furman, Kelly A Hartman, Enrica De Rosa, Christian Boada, Xin Wang, David C Zawieja, Marco Agostini, Francesco Salvatore, Bincy P Abraham, Ennio Tasciotti
Inflammatory bowel disease (IBD), which includes Crohn's disease and ulcerative colitis, is a chronic inflammatory condition of the gastrointestinal (GI) tract. Currently, it is treated with immunosuppressant or biologics that often induce severe adverse effects. Thus, there is an urgent clinical need for more specific treatments. To provide a valid therapeutic tool for IBD therapy, in this work we developed biomimetic nanovesicles by manipulating leukocyte membranes to exploit mechanisms of T-cell recruitment during inflammation...
September 21, 2017: Nanoscale
https://www.readbyqxmd.com/read/28932369/diagnostic-accuracy-of-fecal-calprotectin-in-assessing-the-severity-of-inflammatory-bowel-disease-from-laboratory-to-clinic
#7
Soheila Moein, Durdi Qujeq, Mostafa Vaghari Tabari, Mehrdad Kashifard, Karimollah Hajian-Tilaki
BACKGROUND: Inflammatory bowel disease (IBD) involves chronic inflammation of the digestive tract. In the past decades, fecal calprotectin has been proposed as a useful biomarker for the differential diagnosis between IBD patients and healthy controls. We designed this study to evaluate the diagnostic ability of fecal calprotectin (FC) and conventional inflammatory markers in IBD patients. METHODS: Thirty patients who underwent colonoscopy were cases and thirty healthy subjects undergoing colonoscopy as part of a medical check-up were the controls...
2017: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/28932267/clinical-performance-of-an-infliximab-rapid-quantification-assay
#8
Fernando Magro, Joana Afonso, Susana Lopes, Rosa Coelho, Raquel Gonçalves, Paulo Caldeira, Paula Lago, Helena Tavares de Sousa, Jaime Ramos, Ana Rita Gonçalves, Paula Ministro, Isadora Rosa, Tânia Meira, Patrícia Andrade, João-Bruno Soares, Diana Carvalho, Paula Sousa, Ana Isabel Vieira, Joanne Lopes, Cláudia Camila Dias, Karel Geboes, Fátima Carneiro
BACKGROUND: Therapeutic drug monitoring (TDM)-based algorithms can be used to guide infliximab (IFX) adjustments in inflammatory bowel disease (IBD) patients. This study aimed to explore a rapid IFX-quantification test from a clinical perspective. METHODS: This manuscript describes a prospective cohort study involving 110 ulcerative colitis (UC) patients on the maintenance phase of IFX. IFX trough levels were quantified using a rapid quantification assay and a commonly-used reference kit...
September 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/28932076/ophthalmic-manifestations-in-patients-with-inflammatory-bowel-disease-a-review
#9
REVIEW
Leandro Lopes Troncoso, Ana Luiza Biancardi, Haroldo Vieira de Moraes, Cyrla Zaltman
Clinical manifestations of inflammatory bowel disease (IBD) are not locally restricted to the gastrointestinal tract, and a significant portion of patients have involvement of other organs and systems. The visual system is one of the most frequently affected, mainly by inflammatory disorders such as episcleritis, uveitis and scleritis. A critical review of available literature concerning ocular involvement in IBD, as it appears in PubMed, was performed. Episcleritis, the most common ocular extraintestinal manifestation (EIM), seems to be more associated with IBD activity when compared with other ocular EIMs...
August 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28931512/childhood-onset-inflammatory-bowel-disease-and-risk-of-cancer-a-swedish-nationwide-cohort-study-1964-2014
#10
O Olén, J Askling, M C Sachs, P Frumento, M Neovius, K E Smedby, A Ekbom, P Malmborg, J F Ludvigsson
Objective To assess risk of cancer in patients with childhood onset inflammatory bowel disease in childhood and adulthood.Design Cohort study with matched general population reference individuals using multivariable Cox regression to estimate hazard ratios.Setting Swedish national patient register (both inpatient and non-primary outpatient care) 1964-2014.Participants Incident cases of childhood onset (<18 years) inflammatory bowel disease (n=9405: ulcerative colitis, n=4648; Crohn's disease, n=3768; unclassified, n=989) compared with 92 870 comparators from the general population matched for sex, age, birth year, and county...
September 20, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28929216/refractory-pouchitis-improves-after-administration-of-the-green-tea-polyphenol-egcg-a-retrospective-review
#11
Minesh Mehta, Shifat Ahmed, Gerald Dryden
INTRODUCTION: Ulcerative colitis (UC) is a common, chronic, inflammatory process limited to the colon. UC affects up to 1 million individuals in the USA alone and requires resection in up to 30% of patients. Resection is often followed by creation of a pouch. Pouchitis is the most common complication of ileal pouch-anal anastomosis (IPAA) following total proctocolectomy, affecting up to 50% of patients. Symptoms include increased stool frequency, urgency, cramping, and bleeding. Management of pouchitis is complex in antibiotic refractory cases...
September 20, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28929046/application-of-three-dimensional-printing-for-colon-targeted-drug-delivery-systems
#12
REVIEW
Nitin B Charbe, Paul A McCarron, Majella E Lane, Murtaza M Tambuwala
Orally administered solid dosage forms currently dominate over all other dosage forms and routes of administrations. However, human gastrointestinal tract (GIT) poses a number of obstacles to delivery of the drugs to the site of interest and absorption in the GIT. Pharmaceutical scientists worldwide have been interested in colon drug delivery for several decades, not only for the delivery of the drugs for the treatment of colonic diseases such as ulcerative colitis and colon cancer but also for delivery of therapeutic proteins and peptides for systemic absorption...
April 2017: International Journal of Pharmaceutical Investigation
https://www.readbyqxmd.com/read/28928915/portal-vein-thrombosis-after-laparoscopic-total-colectomy-for-colonic-inertia
#13
Joshua Dilday, Maxwell Sirkin, Chelsey McKinnon, Shaun Brown
Portal vein thrombosis (PVT) has been recently documented after a variety of laparoscopic surgeries. Although it is well established in splenectomies, its prevalence in other laparoscopic procedures is rare. PVT in colectomies has been associated with inflammatory processes, such as ulcerative colitis and diverticulitis. We report a case of postoperative PVT following a total abdominal colectomy for colonic inertia. A 27-year-old female underwent an uneventful elective laparoscopic total colectomy with ileorectal anastomosis for colonic inertia, and presented on postoperative day (POD) 3 with obstipation, abdominal distention and emesis...
August 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28928907/adipose-derived-stromal-cell-in-regenerative-medicine-a-review
#14
REVIEW
Reza Tabatabaei Qomi, Mohsen Sheykhhasan
The application of appropriate cell origin for utilizing in regenerative medicine is the major issue. Various kinds of stem cells have been used for the tissue engineering and regenerative medicine. Such as, several stromal cells have been employed as treat option for regenerative medicine. For example, human bone marrow-derived stromal cells and adipose-derived stromal cells (ADSCs) are used in cell-based therapy. Data relating to the stem cell therapy and processes associated with ADSC has developed remarkably in the past 10 years...
August 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28928792/garidisan-improving-the-quality-of-ulcer-healing-in-rats-with-ulcerative-colitis
#15
Lin Wang, Wei-Zhi Liu, Ling-Yan Pei, Yu-Shi Ke, Jian Cui, Shu-Chun Li
Garidisan, commonly used in Mongolia to treat ulcerative colitis (UC), contains wild poppy and Artemisia frigida Willd. Clinical evidence shows that Garidisan can effectively treat UC and that recurrence is low. Thus, we evaluated the effects of Garidisan on ulcer healing quality and the regulation of immune balance in rats with experimental UC. UC was induced by immunization with TNBS and Garidisan significantly reduced DAI, CMDI, and HS. H&E staining, SEM, and VG staining showed that Garidisan repaired damaged intestinal mucosa and significantly reduced expression of ICAM-1 and CD105 in regenerated tissues of UC rats...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28928735/the-expression-of-the-short-isoform-of-thymic-stromal-lymphopoietin-in-the-colon-is-regulated-by-the-nuclear-receptor-peroxisome-proliferator-activated-receptor-gamma-and-is-impaired-during-ulcerative-colitis
#16
Anthony Martin Mena, Audrey Langlois, Silvia Speca, Lucil Schneider, Pierre Desreumaux, Laurent Dubuquoy, Benjamin Bertin
The etiology of inflammatory bowel diseases remains largely unknown. We previously demonstrated that the expression of the peroxisome proliferator activated receptor-gamma (PPARγ) is downregulated in colonic epithelial cells of patients with ulcerative colitis (UC). PPARγ is a nuclear receptor that modulates inflammation. We hypothesized that its deficiency may play a role in the loss of intestinal homeostasis through the control of immunomodulatory factors. We found that thymic stromal lymphopoietin (TSLP), an epithelial cytokine with pleiotropic functions, is regulated by PPARγ...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28928666/colitis-is-effectively-ameliorated-by-%C3%A2-8-acetonyl-dihydrocoptisine-via-the-xbp1-nf-%C3%AE%C2%BAb-pathway
#17
HaiJing Zhang, GuangMing Song, ZhiHui Zhang, HuaChen Song, XiaoNan Tang, AnJun Deng, WenJie Wang, LianQiu Wu, HaiLin Qin
Ulcerative colitis (UC) is a recurrent, chronic intestinal disease. Available treatments for UC are poor effective and/or cause severe adverse events. X-box binding protein 1 (XBP1) and nuclear factor-κB (NF-κB) have been reported to play important roles in UC. Specifically, deletion or downregulation of XBP1 leads to spontaneous enteritis and results in imbalanced secretion of NF-κB and other proinflammatory cytokines. (±)-8-acetonyl-dihydrocoptisine, i.e., (±)-8-ADC, is a monomer semi-synthesized from coptisine...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28928660/-1-h-nmr-based-metabolomics-study-of-the-toxicological-effects-in-rats-induced-by-renqing-mangjue-pill-a-traditional-tibetan-medicine
#18
Can Xu, Caidan Rezeng, Jian Li, Lan Zhang, Yujing Yan, Jian Gao, Yingfeng Wang, Zhongfeng Li, Jianxin Chen
"RenqingMangjue" pill (RMP), as an effective prescription of Traditional Tibetan Medicine (TTM), has been widely used in treating digestive diseases and ulcerative colitis for over a thousand years. In certain classical Tibetan Medicine, heavy metal may add as an active ingredient, but it may cause contamination unintentionally in some cases. Therefore, the toxicity and adverse effects of TTM became to draw public attention. In this study, 48 male Wistar rats were orally administrated with different dosages of RMP once a day for 15 consecutive days, then half of the rats were euthanized on the 15th day and the remaining were euthanized on the 30th day...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28927246/biosimilar-ct-p13-in-treating-ulcerative-colitis-in-the-real-world
#19
Davide G Ribaldone, Marco Astegiano
No abstract text is available yet for this article.
December 2017: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/28927130/stereomicroscopic-features-of-colitis-associated-tumors-in-mice-evaluation-of-pit-pattern
#20
Ryosuke Yamauchi, Ken Kominato, Keiichi Mitsuyama, Hidetoshi Takedatsu, Shinichiro Yoshioka, Kotaro Kuwaki, Hiroshi Yamasaki, Shuhei Fukunaga, Atsushi Mori, Jun Akiba, Osamu Tsuruta, Takuji Torimura
Patients with longstanding ulcerative colitis have an increased risk of colorectal cancer. Mouse models for colitis-associated tumors are indispensable for the development of novel strategies for prevention and intervention, as well as an improved understanding of the mechanisms underlying tumor formation. The present study examined whether stereomicroscopic observations with dye-application were able to detect and discriminate tumors in a colitis-associated tumor model in mice. Colonic tumors were induced in C57BL/6 mice by 15 cycles of treatment with dextran sulfate sodium (DSS) in drinking water...
September 2017: Oncology Letters
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