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Chronic inflammatory bowel disease

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https://www.readbyqxmd.com/read/28432022/a-crosstalk-between-muscarinic-and-crf2-receptors-regulates-cellular-adhesion-properties-of-human-colon-cancer-cells
#1
M Pelissier-Rota, N T Chartier, B Bonaz, M R Jacquier-Sarlin
Patients with inflammatory bowel disease often suffer from chronic and relapsing intestinal inflammation that favor the development of colitis associated cancer. An alteration of the epithelial intestinal barrier function observed in IBD is supposed to be a consequence of stress. It has been proposed that corticotrophin-releasing factor receptor (CRF2), one of the two receptors of CRF, the principal neuromediator of stress, acts on cholinergic nerves to induce stress-mediated epithelial barrier dysfunction...
April 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28427855/outcome-of-medical-management-of-intraabdominal-abscesses-in-children-with-crohn-s-disease
#2
Razan H Alkhouri, Gracielle Bahia, Ashley C Smith, Richard Thomas, Christine Finck, Wael Sayej
INTRODUCTION: Crohn's disease (CD) is a chronic inflammatory condition of the gastrointestinal tract that is complicated by fistulas, strictures, and intraabdominal abscesses (IAA) in 10%-30% of patients. To avoid surgical resection of the bowel, medical therapy with antibiotics (Ab) with or without percutaneous drainage (PD) is first undertaken. Our objectives are to examine the outcome of IAA in CD patients treated with antibiotics alone vs antibiotics and PD, and to identify risk factors for medical therapy failure...
March 30, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28427473/intestinal-beh%C3%A3-et-and-crohn-s-disease-two-sides-of-the-same-coin
#3
REVIEW
Simona Valenti, Romina Gallizzi, Dominique De Vivo, Claudio Romano
Behçet's disease (BD) and Crohn's disease (CD) are chronic immune-mediated, inflammatory disorders affecting many different systems (joints, skin, eyes, gastrointestinal and biliary tracts). Both disorders have fluctuating courses and when gastrointestinal symptoms are prevalent, differential diagnosis can be difficult. BD involves the gastrointestinal tract in 10-15% of cases with localized lesions in the ileocecal region. The clinical picture is heterogeneous with various clusters of disease expression. CD is a chronic inflammatory disorder, which can affect any part of the intestinal tract, as well as extra-intestinal tissue...
April 20, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28426473/modifiable-risk-factors-for-hospital-readmission-among-patients-with-inflammatory-bowel-disease-in-a-nationwide-database
#4
Edward L Barnes, Bharati Kochar, Millie D Long, Michael D Kappelman, Christopher F Martin, Joshua R Korzenik, Seth D Crockett
BACKGROUND: Previous studies suggest that disease activity alone does not reliably predict hospital readmission among patients with inflammatory bowel diseases (IBDs). Using a national database, we aimed to further describe the burden of readmissions for IBD and identify modifiable risk factors. METHODS: We performed a retrospective cohort study using 2013 data from the Nationwide Readmission Database (NRD). Using International Classification of Diseases, ninth Revision, Clinical Modification (ICD-9-CM) codes, we identified adult patients with discharge diagnoses of ulcerative colitis or Crohn's disease and ascertained diagnoses of anxiety, depression, chronic pain, tobacco use, and other comorbidities during index admission...
April 19, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28425115/-it-seems-like-you-re-going-around-in-circles-recurrent-biographical-disruption-constructed-through-the-past-present-and-anticipated-future-in-the-narratives-of-young-adults-with-inflammatory-bowel-disease
#5
Benjamin Saunders
Biographical disruption and related concepts continue to be widely drawn upon in explaining how individuals experience chronic illness. Through in-depth examination of the narrative experiences of two young adults with inflammatory bowel disease (IBD), this article aims to contribute to the continuing theoretical elaboration of biographical disruption, and in turn offer new insights into how young adults experience this condition. The cases are analysed from an interaction-based, constructionist perspective, through which it is argued that the relapse-remission nature of IBD can give rise to a particular form of recurrent biographical disruption, constructed in narrative through a complex configuration of past, present and anticipated future experiences...
April 20, 2017: Sociology of Health & Illness
https://www.readbyqxmd.com/read/28425040/schiff-base-complexes-of-copper-and-zinc-as-potential-anti-colitic-compounds
#6
Elaine M Conner, John Reglinski, W Ewen Smith, I Jack Zeitlin
The design, synthesis and activity of polymodal compounds for the treatment of inflammatory bowel disease are reported. The compounds, being based on a metal-Schiff base motif, are designed to degrade during intestinal transit to release the bioactive components in the gut. The compounds have been developed sequential with the biomodal compounds combining copper or zinc with a salicylaldehyde adduct. These compounds were tested in a formalin induced colonic inflammation model in BK:A mice. From these studies a trimodal compound based on a zinc Schiff base analogue of sulfasalazine was designed...
April 19, 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/28424557/vedolizumab-toward-a-personalized-therapy-paradigm-for-people-with-ulcerative-colitis
#7
REVIEW
Robin J Dart, Mark A Samaan, Nick Powell, Peter M Irving
Ulcerative colitis (UC) is a chronic relapsing and remitting inflammatory bowel disease, with a characteristic leukocytic infiltration of the mucosa. Immunosuppression including anti-TNF-α therapy is a mainstay of treatment for many; however, systemic immunosuppression is not universally effective and is associated with potential side effects. The gut-tropic integrin α4β7, which is expressed on leukocytes, mediates migration from the circulation to the intestinal mucosa. Vedolizumab is a monoclonal antibody which blocks the egress of leukocytes via α4β7, preventing accumulation in the mucosa, and attenuating inflammation without systemic immunosuppression...
2017: Clinical and Experimental Gastroenterology
https://www.readbyqxmd.com/read/28422189/exome-analysis-of-rare-and-common-variants-within-the-nod-signaling-pathway
#8
Gaia Andreoletti, Valentina Shakhnovich, Kathy Christenson, Tracy Coelho, Rachel Haggarty, Nadeem A Afzal, Akshay Batra, Britt-Sabina Petersen, Matthew Mort, R Mark Beattie, Sarah Ennis
Pediatric inflammatory bowel disease (pIBD) is a chronic heterogeneous disorder. This study looks at the burden of common and rare coding mutations within 41 genes comprising the NOD signaling pathway in pIBD patients. 136 pIBD and 106 control samples underwent whole-exome sequencing. We compared the burden of common, rare and private mutation between these two groups using the SKAT-O test. An independent replication cohort of 33 cases and 111 controls was used to validate significant findings. We observed variation in 40 of 41 genes comprising the NOD signaling pathway...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421634/vagus-nerve-stimulation-a-new-promising-therapeutic-tool-in-inflammatory-bowel-disease
#9
B Bonaz, V Sinniger, S Pellissier
Inflammatory bowel disease (IBD), that is Crohn's disease (CD) and ulcerative colitis, affects about 1.5 million persons in the USA and 2.2 million in Europe. The pathophysiology of IBD involves immunological, genetic and environmental factors. The treatment is medico-surgical but suspensive. Anti-TNFα agents have revolutionized the treatment of IBD but have side effects. In addition, a non-negligible percentage of patients with IBD stop or take episodically their treatment. Consequently, a nondrug therapy targeting TNFα through a physiological pathway, devoid of major side effects and with a good cost-effectiveness ratio, would be of interest...
April 18, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28417857/nuclear-medicine-imaging-in-pediatric-infection-or-chronic-inflammatory-diseases
#10
REVIEW
Alberto Signore, Andor W J M Glaudemans, Olivier Gheysens, Chiara Lauri, Onofrio A Catalano
In this review article, we focus on the most recent applications of nuclear medicine techniques (mainly (99m)Tc/(111)In white blood cells (WBC) scan, [(18)F]-FDG-PET/CT, [(18)F]-FDG-PET/MRI, and (99m)Tc-IL-2 scintigraphy) in the study of children affected by peripheral bone osteomyelitis, fungal infections, inflammatory bowel diseases, and type 1 diabetes, owing to recent important published evidences of their role in the management of these diseases. For osteomyelitis in children, both bone scintigraphy and [(18)F]-FDG-PET have a major advantage of assessing the whole body in one imaging session to confirm or exclude multifocal involvement, whereas WBC scan has a limited role...
May 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28417091/biological-activities-of-curcuminoids-other-biomolecules-from-turmeric-and-their-derivatives-a-review
#11
REVIEW
Augustine Amalraj, Anitha Pius, Sreerag Gopi, Sreeraj Gopi
In recent years, several drugs have been developed deriving from traditional products and current drug research is actively investigating the possible therapeutic roles of many Ayruvedic and Traditional Indian medicinal therapies. Among those being investigated is Turmeric. Its most important active ingredient is curcuminoids. Curcuminoids are phenolic compounds commonly used as a spice, pigment and additive also utilized as a therapeutic agent used in several foods. Comprehensive research over the last century has revealed several important functions of curcuminoids...
April 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28415991/clinical-patient-registry-recruitment-and-retention-a-survey-of-patients-in-two-chronic-disease-registries
#12
Daniel H Solomon, Nancy A Shadick, Michael E Weinblatt, Michelle Frits, Christine Iannaccone, Agnes Zak, Joshua R Korzenik
BACKGROUND: The collection of routine clinical data in the setting of research registries can serve an important role in understanding real world care. However, relatively little is known about the patient experience in registries, motivating us to survey patients enrolled in two chronic disease registries. METHODS: We conducted similar surveys in two disease-based registries based at one academic medical center in the US. One group of patients with rheumatoid arthritis (RA) had been enrolled in a registry, and we focused on retention factors...
April 17, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/28414670/diulafoy-s-lesion-an-uncanny-etiology-of-gastrointestinal-bleed
#13
V Gasia, O Lamendola
INTRODUCTION: Dieulafoy's lesion is a relatively rare, but potentially life-threatening, condition. It accounts for 1-2 percent of acute gastrointestinal (GI); bleeding. CASE: A 99-year-old woman was initially admitted due to left lower extremity cellulitis related to chronic venous stasis ulcer and was receiving broad-spectrum IV antibiotics. Upon admission to the medical floor, she had an episode of hematemesis and multiple bowel movements with black-tarry stools...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28414292/dendritic-cells-expressing-immunoreceptor-cd300f-are-critical-for-controlling-chronic-gut-inflammation
#14
Ha-Na Lee, Linjie Tian, Nicolas Bouladoux, Jacquice Davis, Mariam Quinones, Yasmine Belkaid, John E Coligan, Konrad Krzewski
Proinflammatory cytokine overproduction and excessive cell death, coupled with impaired clearance of apoptotic cells, have been implicated as causes of failure to resolve gut inflammation in inflammatory bowel diseases. Here we have found that dendritic cells expressing the apoptotic cell-recognizing receptor CD300f play a crucial role in regulating gut inflammatory responses in a murine model of colonic inflammation. CD300f-deficient mice failed to resolve dextran sulfate sodium-induced colonic inflammation as a result of defects in dendritic cell function that were associated with abnormal accumulation of apoptotic cells in the gut...
April 17, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28412519/vitamin-d-signaling-in-intestinal-innate-immunity-and-homeostasis
#15
REVIEW
Vassil Dimitrov, John H White
The lumen of the gut hosts a plethora of microorganisms that participate in food assimilation, inactivation of harmful particles and in vitamin synthesis. On the other hand, enteric flora, a number of food antigens, and toxins are capable of triggering immune responses causing inflammation, which, when unresolved, may lead to chronic conditions such as inflammatory bowel disease (IBD). It is important, therefore, to contain the gut bacteria within the lumen, control microbial load and composition, as well as ensure adequate innate and adaptive immune responses to pathogenic threats...
April 12, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28411859/cd14-plays-a-protective-role-in-experimental-inflammatory-bowel-disease-by-enhancing-intestinal-barrier-function
#16
Stephanie Buchheister, Manuela Buettner, Marijana Basic, Andreas Noack, Gerhard Breves, Barbara Buchen, Lydia M Keubler, Christoph Becker, André Bleich
Intestinal homeostasis disturbance through intestinal barrier disruption presumably plays a key role in inflammatory bowel disease (IBD) development. Genetic and candidate gene analyses in an Il10-deficient IBD mouse model system identified Cd14 as a potentially protective candidate gene. The role of Cd14 in colitis development was determined using dextran sulfate sodium (DSS)-induced acute and an Il10-deficiency-induced chronic model of intestinal inflammation. Intestinal permeability was investigated by fluorescein isothiocyanate-dextran uptake assay, quantitative RT-PCR analysis of tight junction proteins, myosin light chain kinase, and proinflammatory cytokine expression...
April 5, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28410406/lubiprostone-improves-intestinal-permeability-in-humans-a-novel-therapy-for-the-leaky-gut-a-prospective-randomized-pilot-study-in-healthy-volunteers
#17
Takayuki Kato, Yasushi Honda, Yusuke Kurita, Akito Iwasaki, Takamitsu Sato, Takaomi Kessoku, Shiori Uchiyama, Yuji Ogawa, Hidenori Ohkubo, Takuma Higurashi, Takeharu Yamanaka, Haruki Usuda, Koichiro Wada, Atsushi Nakajima
BACKGROUND AND AIMS: The barrier function of the small intestinal mucosa prevents the introduction of undesired pathogens into the body. Breakdown of this barrier function increases intestinal permeability. This has been proposed to induce not only gastrointestinal diseases, including inflammatory bowel disease and irritable bowel syndrome, but also various other diseases, including allergies, diabetes mellitus, liver diseases, and collagen diseases, which are associated with this so called "leaky gut syndrome...
2017: PloS One
https://www.readbyqxmd.com/read/28408694/determinants-of-hypoxia-inducible-factor-hif-activity-in-the-intestinal-mucosa
#18
Raphael R Fagundes, Cormac T Taylor
The intestinal mucosa is exposed to fluctuations in oxygen levels due to constantly changing rates of oxygen demand and supply and its juxtaposition with the anoxic environment of the intestinal lumen. This frequently results in a state of hypoxia in the healthy mucosa even in the physiologic state. Furthermore, pathophysiologic hypoxia (which is more severe and extensive) is associated with chronic inflammatory diseases including inflammatory bowel disease (IBD). The hypoxia-inducible factor (HIF), a ubiquitously expressed regulator of cellular adaptation to hypoxia, is central to both the adaptive and the inflammatory responses of cells of the intestinal mucosa in IBD patients...
April 13, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28405720/ceramide-synthase-2-deficiency-aggravates-aom-dss-induced-colitis-in-mice-role-of-colon-barrier-integrity
#19
Stephanie Oertel, Klaus Scholich, Andreas Weigert, Dominique Thomas, Julia Schmetzer, Sandra Trautmann, Marthe-Susanna Wegner, Heinfried H Radeke, Natalie Filmann, Bernhard Brüne, Gerd Geisslinger, Irmgard Tegeder, Sabine Grösch
Loss of intestinal barrier functions is a hallmark of inflammatory bowel disease like ulcerative colitis. The molecular mechanisms are not well understood, but likely involve dysregulation of membrane composition, fluidity, and permeability, which are all essentially regulated by sphingolipids, including ceramides of different chain length and saturation. Here, we used a loss-of-function model (CerS2(+/+) and CerS2(-/-) mice) to investigate the impact of ceramide synthase 2, a key enzyme in the generation of very long-chain ceramides, in the dextran sodium salt (DSS) evoked model of UC...
April 12, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28404115/advances-in-primary-sclerosing-cholangitis
#20
REVIEW
Jennifer L Horsley-Silva, Elizabeth J Carey, Keith D Lindor
Primary sclerosing cholangitis is a chronic, progressive cholangiopathy that frequently affects men and is associated with inflammatory bowel disease. Although the cause of the disease is still debated, a genetic association and link to immune-mediated disease triggered by environmental factors are thought to contribute. The disease can present as isolated imaging abnormalities, biochemical changes, cholangiocarcinoma, or end-stage complications such as cirrhosis. Symptoms of primary sclerosing cholangitis include fatigue, jaundice, pruritus, or steatorrhoea...
September 2016: Lancet. Gastroenterology & Hepatology
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