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Collagenous colitis

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https://www.readbyqxmd.com/read/29317939/medical-treatment-for-microscopic-colitis-a-community-hospital-s-experience
#1
Abdallah Haidar, Savreet Kaur, Nancy Jackson, Jose Mari Parungao, Michael Piper, Alan Cutler
Background: Lymphocytic colitis (LC) is a chronic disorder characterized by watery diarrhea. This study sought to evaluate if LC recurs after therapy, and the time frame in which this occurs. Secondary objectives included length and type of therapy, drug-free intervals, and reasons for drug discontinuation. Methods: A retrospective chart review between January 1, 2008 and October 30, 2015 of patients with biopsy-confirmed lymphocytic, collagenous, or microscopic colitis was conducted...
December 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/29250582/magnifying-advanced-endoscopy-in-collagenous-colitis-now-you-see
#2
EDITORIAL
Anastasios Koulaouzidis, Ervin Toth
No abstract text is available yet for this article.
November 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29250581/magnifying-image-enhanced-endoscopy-for-collagenous-colitis
#3
Masaaki Kobayashi, Takahiro Hoshi, Shin-Ich Morita, Tsutomu Kanefuji, Takeshi Suda, Go Hasegawa, Shuji Terai
Background and study aims  We report a case series of 5 patients with collagenous colitis (CC) presenting with chronic watery diarrhea, who were subjected to magnifying, chromoendoscopy and narrow band imaging (NBI). Magnifying chromoendoscopy revealed whitish-clouded, honeycomb-like appearance at orifices of the crypts. NBI with high magnification revealed irregular caliber variation of the subepithelial capillary network. Presence of these features corresponded with histological characteristics of CC indicated by thickening of the subepithelial collagen layer...
November 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29249464/yap-taz-dependent-reprogramming-of-colonic-epithelium-links-ecm-remodeling-to-tissue-regeneration
#4
Shiro Yui, Luca Azzolin, Martti Maimets, Marianne Terndrup Pedersen, Robert P Fordham, Stine L Hansen, Hjalte L Larsen, Jordi Guiu, Mariana R P Alves, Carsten F Rundsten, Jens V Johansen, Yuan Li, Chris D Madsen, Tetsuya Nakamura, Mamoru Watanabe, Ole H Nielsen, Pawel J Schweiger, Stefano Piccolo, Kim B Jensen
Tissue regeneration requires dynamic cellular adaptation to the wound environment. It is currently unclear how this is orchestrated at the cellular level and how cell fate is affected by severe tissue damage. Here we dissect cell fate transitions during colonic regeneration in a mouse dextran sulfate sodium (DSS) colitis model, and we demonstrate that the epithelium is transiently reprogrammed into a primitive state. This is characterized by de novo expression of fetal markers as well as suppression of markers for adult stem and differentiated cells...
November 28, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/29230146/microscopic-colitis-a-review-of-collagenous-and-lymphocytic-colitis
#5
Karen Boland, Geoffrey C Nguyen
Microscopic colitis (MC) is a chronic inflammatory bowel disease characterized by chronic watery diarrhea and diagnosed with the histologic hallmarks of disease despite a macroscopically normal large bowel. Although 2 distinct disease phenotypes exist, their clinical presentations and epidemiologic characteristics have overlapping features. This article summarizes evidence regarding the pathogenesis of MC, mechanisms of diarrhea in this cohort, and associations with medications. In addition, currently recommended and novel therapeutic approaches to achieving remission in this patient population are reviewed...
November 2017: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29204743/genetic-variation-and-gene-expression-levels-of-tight-junction-genes-indicates-relationships-between-pten-as-well-as-magi1-and-microscopic-colitis
#6
Elisabeth Norén, Marie-Rose Mellander, Sven Almer, Jan Söderman
BACKGROUND AND AIM: Microscopic colitis (MC) has been associated with increased paracellular permeability. Therefore, we aimed to investigate potential associations between MC and several genes encoding tight junction (TJ) proteins reported to interact with each other. METHODS: The association between MC and single nucleotide polymorphisms (SNP; n = 63) within TJ genes (F11R, MAGI1, MAGI2, MAGI3, PARD3, PTEN, and TJP1) were investigated in a case-control study (n MC patients = 104 and n controls = 423)...
December 4, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29185927/supplemental-psyllium-fibre-regulates-the-intestinal-barrier-and-inflammation-in-normal-and-colitic-mice
#7
Miyuki Ogata, Tasuku Ogita, Hiroyuki Tari, Teruaki Arakawa, Takuya Suzuki
Our previous study demonstrated that supplemental psyllium fibre increased cytoprotective heat-shock protein (Hsp) 25 levels in the intestinal cells of mice. Here, we examined the effect of psyllium fibre on colonic gene and protein expression and faecal microbiota in normal and colitic mice to improve the understanding of the preventive role of the supplement. DNA microarray analysis revealed that a 10 % psyllium fibre diet administered for 5 d up-regulated eleven extracellular matrix (ECM)-associated genes, including collagens and fibronectins, in normal mice...
November 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/29177895/biopsy-diagnosis-of-colitis-an-algorithmic-approach
#8
Deepa T Patil, Robert D Odze
Certain types of colitides, such as collagenous colitis, lymphocytic colitis, and ischemic colitis, have distinct histologic features that allow for a specific diagnosis. However, in most colonic biopsy specimens, a definite diagnosis cannot be established on the basis of histology alone. Thus, in most cases of colitis, it is helpful to utilize a systematic approach in order to recognize patterns of injury. This information in conjunction with clinical and laboratory findings may help pathologists narrow the differential diagnosis and/or establish a more definite etiology for the patient's illness in order to guide clinical management...
November 25, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29164668/ameliorative-effects-of-riboflavin-on-acetic-acid-induced-colonic-injury-in-rats
#9
Berna Karakoyun, Büşra Ertaş, Meral Yüksel, Dilek Akakın, Özge Çevik, Göksel Şener
Riboflavin (RF) has been found to be a promising antioxidant and/or anti-inflammatory agent in several studies. However, the effect of RF against acetic acid (AA)-induced colonic injury is currently unknown. This study aimed to investigate the potential antioxidant and protective effects of RF in a rat model of ulcerative colitis. Starting immediately after the colitis induction (AA+RF group) or 1 week before the colitis induction (RF+AA+RF group), the rats were treated with RF (25 mg/kg/d;p.o.) for 3 days...
November 22, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29145246/case-report-pentoxifylline-treatment-in-microscopic-colitis
#10
Thomas G Cotter, Amrit K Kamboj, Stephen Bradley Hicks, William J Tremaine, Edward V Loftus, Darrell S Pardi
RATIONALE: Microscopic colitis is a common cause of diarrhea. Pentoxifylline, a xanthine derivative with anti-tumor necrosis factor-alpha properties, is prescribed for intermittent claudication and other disorders. Our goal was to evaluate the outcomes of patients with microscopic colitis treated with pentoxifylline. PATIENT CONCERNS: Nine patients with microscopic colitis (8 collagenous colitis and 1 lymphocytic colitis) seen at Mayo Clinic, Rochester, between January 1, 1997 and November 30, 2016, were included...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29127772/interventions-for-treating-collagenous-colitis
#11
REVIEW
Tahir S Kafil, Tran M Nguyen, Petrease H Patton, John K MacDonald, Nilesh Chande, John Wd McDonald
BACKGROUND: Collagenous colitis is a cause of chronic diarrhea. This updated review was performed to identify therapies for collagenous colitis that have been assessed in randomized controlled trials (RCTs). OBJECTIVES: The primary objective was to assess the benefits and harms of treatments for collagenous colitis. SEARCH METHODS: We searched CENTRAL, the Cochrane IBD Group Specialized Register, MEDLINE and EMBASE from inception to 7 November 2016...
November 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29103536/chronic-colitis-in-biopsy-samples-is-it-inflammatory-bowel-disease-or-something-else
#12
REVIEW
Eun-Young Karen Choi, Henry D Appelman
Chronic colitis, regardless of type, is defined histologically by chronic inflammation, mainly plasmacytosis, in the lamina propria. Specific diagnosis of chronic colitides in biopsies can be challenging for practicing pathologists. This article focuses on discussing specific histologic features in biopsies of the inflammatory bowel diseases (IBDs), including ulcerative colitis, Crohn colitis, and colitis of indeterminate type. It also offers suggestions as to how to separate the IBDs from other chronic colitides, such as lymphocytic colitis, collagenous colitis, diverticular disease-associated colitis, diversion colitis, and chronic colitides that are due to drugs...
December 2017: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/29033425/evaluation-by-mr-enterocolonography-of-lansoprazole-induced-collagenous-colitis-accompanied-with-protein-losing-enteropathy-a-case-report
#13
Akinori Mizoguchi, Masaaki Higashiyama, Keisuke Ikeyama, Shin Nishii, Hisato Terada, Hirotaka Furuhashi, Takeshi Takajo, Koji Maruta, Yuichi Yasutake, Kazuhiko Shirakabe, Chikako Watanabe, Kengo Tomita, Shunsuke Komoto, Shigeaki Nagao, Soichiro Miura, Ryota Hokari
We herein describe a 69-year-old man suffering from chronic diarrhea caused by lansoprazole (LPZ)-induced collagenous colitis (CC) accompanied with protein-losing enteropathy (PLE), diagnosed by increased fecal alpha-1 antitrypsin clearance and the findings of leakage from the descending colon to the sigmoid colon on scintigraphy. MR enterocolonography (MREC) was also performed for differentiating digestive diseases, and inflamed findings were observed around the same portion as those on scintigraphy, suggesting that this region was responsible for protein loss in this case...
October 16, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29028807/ulcerative-colitis-crohn-s-disease-and-irritable-bowel-syndrome-have-different-profiles-of-extracellular-matrix-turnover-which-also-reflects-disease-activity-in-crohn-s-disease
#14
Joachim Høg Mortensen, Tina Manon-Jensen, Michael Dam Jensen, Per Hägglund, Lone Gabriels Klinge, Jens Kjeldsen, Aleksander Krag, Morten Asser Karsdal, Anne-Christine Bay-Jensen
BACKGROUND: Increased protease activity is a key pathological feature of inflammatory bowel disease (IBD). However, the differences in extracellular matrix remodelling (ECM) in Crohn's disease (CD) and ulcerative colitis (UC) are not well described. An increased understanding of the inflammatory processes may provide optimized disease monitoring and diagnostics. We investigated the tissue remodelling in IBD and IBS patients by using novel blood-based biomarkers reflecting ECM remodelling...
2017: PloS One
https://www.readbyqxmd.com/read/28951733/chromofungin-ameliorates-the-progression-of-colitis-by-regulating-alternatively-activated-macrophages
#15
Nour Eissa, Hayam Hussein, Laëtitia Kermarrec, Jasmine Grover, Marie-Hélène Et Metz-Boutigue, Charles N Bernstein, Jean-Eric Ghia
Ulcerative colitis (UC) is characterized by a functional dysregulation of alternatively activated macrophage (AAM) and intestinal epithelial cells (IECs) homeostasis. Chromogranin-A (CHGA) secreted by neuroendocrine cells is implicated in intestinal inflammation and immune dysregulation. CHGA undergoes proteolytic processing to generate CHGA-derived peptides. Chromofungin (CHR: CHGA47-66) is a short CHGA-derived peptide encoded by CHGA Exon-IV and is involved in innate immune regulation, but the basis is poorly investigated...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28928792/garidisan-improving-the-quality-of-ulcer-healing-in-rats-with-ulcerative-colitis
#16
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/28926599/experimental-colitis-delays-and-reduces-the-severity-of-collagen-induced-arthritis-in-mice
#17
Julie Hablot, Laurent Peyrin-Biroulet, Tunay Kokten, Reine El Omar, Patrick Netter, Claire Bastien, Jean-Yves Jouzeau, Harry Sokol, David Moulin
Amongst extraintestinal manifestations (EIM) occurring in IBD patients, rheumatologic manifestations are the most frequent. Understanding the relationships between arthritis and colitis is a prerequisite to improving the management of these patients. Microbiota of patients with IBD or rheumatologic diseases, like spondyloarthritis (SpA) is modified compared to healthy individual. Thus, we have evaluated the impact of colitis in the development of arthritis in mice and we have analyzed microbiota changes. Collagen-induced arthritis (CIA) was induced at day 0 in DBA1 mice exposed or not to Dextran Sodium Sulfate (DSS) to induce colitis between day 14 and day 21...
2017: PloS One
https://www.readbyqxmd.com/read/28864270/spontaneous-tear-after-insufflation-a-unique-finding-of-collagenous-colitis
#18
Jiten P Kothadia, Wuttiporn Manatsathit, Warapan Nakayuenyongsuk
No abstract text is available yet for this article.
August 31, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28815354/nf-e2-related-factor-2-suppresses-intestinal-fibrosis-by-inhibiting-reactive-oxygen-species-dependent-tgf-%C3%AE-1-smads-pathway
#19
Yadi Guan, Yue Tan, Weiyu Liu, Jun Yang, Dongxu Wang, Di Pan, Yan Sun, Changqing Zheng
BACKGROUND AND AIMS: This study aimed to evaluate the antifibrotic effects of NF-E2-Related Factor 2 (Nrf2) on intestinal fibrosis. Intestinal fibrosis is a common complication of Crohn's disease; however, its mechanism of intestinal fibrosis is largely unclear. METHODS: BALB/c mice received 2,4,6-trinitrobenzene sulfonic acid weekly via intrarectal injections to induce chronic fibrotic colitis. They also diet containing received 1% (w/w) tert-butylhydroquinone (tBHQ), which is an agonist of Nrf2...
August 16, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28810551/alterations-in-biomechanical-properties-and-microstructure-of-colon-wall-in-early-stage-experimental-colitis
#20
Xiaohui Gong, Xiaojuan Xu, Sisi Lin, Yu Cheng, Jianhua Tong, Yongyu Li
The aim of the current study was to investigate the effects of early-stage dextran sodium sulfate (DSS)-induced mouse colitis on the biomechanical properties and microstructure of colon walls. In the present study, colitis was induced in 8-week-old mice by the oral administration of DSS, and then 10 control and 10 experimental colitis samples were harvested. Uniaxial tensile tests were performed to measure the ultimate tensile strength and ultimate stretches of colon tissues. In addition, histological investigations were performed to characterize changes in the microstructure of the colon wall following treatment...
August 2017: Experimental and Therapeutic Medicine
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