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Sökning: swepub > Örebro universitet > Tysk Curt

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51.
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52.
  • Bohr, Johan, et al. (författare)
  • Mikroskopisk kolit hos äkta makar
  • 2008
  • Ingår i: Gastrokuriren. ; 13:30, s. PO-09
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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53.
  • Caron, Bénédicte, et al. (författare)
  • IOIBD Recommendations for Clinical Trials in Ulcerative Proctitis : the PROCTRIAL Consensus
  • 2022
  • Ingår i: Clinical Gastroenterology and Hepatology. - : Elsevier. - 1542-3565 .- 1542-7714. ; 20:11, s. 2169-2627.e1
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND AND AIMS: Clinical trials evaluating biologics and small molecules in patients with ulcerative colitis are predominantly excluding ulcerative proctitis. The objective of the PROCTRIAL (Definition and endpoints for ulcerative PROCtitis in clinical TRIALs) initiative was to develop consensus statements for definitions, inclusion criteria, and endpoints for the evaluation of ulcerative proctitis in adults.METHODS: Thirty-five international experts held a consensus meeting to define ulcerative proctitis, and the endpoints to use in clinical trials. Based on a systematic review of the literature, statements were generated, discussed, and approved by the working group participants using a modified Delphi method. Consensus was defined as at least 75% agreement among voters.RESULTS: The group agreed that the diagnosis of ulcerative proctitis should be made by ileocolonoscopy and confirmed by histopathology, with the exclusion of infections, drug-induced causes, radiation, trauma, and Crohn's disease. Ulcerative proctitis was defined as macroscopic extent of lesions limited to 15 cm distance from the anal verge in adults. Primary and secondary endpoints were identified to capture response of ulcerative proctitis to therapy. A combined clinical and endoscopic primary endpoint for the evaluation of ulcerative proctitis disease activity is proposed. Secondary endpoints which should be evaluated include endoscopic remission, histological remission, mucosal healing, histologic endoscopic mucosal improvement, disability, fecal incontinence, urgency, constipation, and health-related quality of life.CONCLUSION: In response to the need for guidance on the design of clinical trials in patients with ulcerative proctitis, the PROCTRIAL consensus provides recommendations on the definition and endpoints for ulcerative proctitis clinical trials.
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54.
  • Erickson, Alison R, et al. (författare)
  • Integrated metagenomics/metaproteomics reveals human host-microbiota signatures of Crohn's disease
  • 2012
  • Ingår i: PLOS ONE. - San Francisco : Public Library Science. - 1932-6203. ; 7:11
  • Tidskriftsartikel (refereegranskat)abstract
    • Crohn's disease (CD) is an inflammatory bowel disease of complex etiology, although dysbiosis of the gut microbiota has been implicated in chronic immune-mediated inflammation associated with CD. Here we combined shotgun metagenomic and metaproteomic approaches to identify potential functional signatures of CD in stool samples from six twin pairs that were either healthy, or that had CD in the ileum (ICD) or colon (CCD). Integration of these omics approaches revealed several genes, proteins, and pathways that primarily differentiated ICD from healthy subjects, including depletion of many proteins in ICD. In addition, the ICD phenotype was associated with alterations in bacterial carbohydrate metabolism, bacterial-host interactions, as well as human host-secreted enzymes. This eco-systems biology approach underscores the link between the gut microbiota and functional alterations in the pathophysiology of Crohn's disease and aids in identification of novel diagnostic targets and disease specific biomarkers.
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55.
  • Eriksson, Carl, 1981-, et al. (författare)
  • Hepatotoxicity by bosentan in a patient with portopulmonary hypertension : a case-report and review of the literature
  • 2011
  • Ingår i: Journal of Gastrointestinal and Liver Diseases. - Cluj : Medical University Press. - 1841-8724 .- 1842-1121. ; 20:1, s. 77-80
  • Forskningsöversikt (refereegranskat)abstract
    • Bosentan is an endothelin receptor antagonist approved for treatment of pulmonary arterial hypertension. Mild liver reactions occur in about 10% of treated patients but severe hepatotoxicity is rare. We present clinical data and treatment outcome of a severe drug induced liver injury due to bosentan in a patient with non-cirrhotic portopulmonary hypertension. After 18 months of uncomplicated therapy with bosentan 125 mg b.i.d., the patient developed a severe mixed hepatic injury. Serum levels of bilirubin were 316 µmol/l (ref. value <20 micromol/l), AST 14 µkat/l (ref. value < 0.9 µkat/l), ALT 10 µkat/l (ref. value < 0.9 µkat/l), ALP 8 µkat/l (ref. value <1.8 µkat/l) and INR 1.8 (ref. value 0.9-1.1). Complete diagnostic work-up disclosed no other cause of hepatotoxicity. Treatment with prednisolone 40 mg/day in tapering doses was ultimately added and the patient made a full recovery. Subsequent treatment with sildenafil and ambrisentan for pulmonary arterial hypertension was well tolerated and liver function tests have remained normal during 12 months' follow-up. A review of the literature revealed three other women with severe hepatotoxicity due to bosentan. Bosentan may cause severe liver injury, even after long uneventful therapy, and current recommendations on regular monitoring of liver function tests are reinforced. Ambrisentan may be a therapeutic alternative in patients with pulmonary arterial hypertension and hepatotoxicity by bosentan.
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56.
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57.
  • Günaltay, Sezin, 1986-, et al. (författare)
  • Differential expression of interleukin-1/Toll-like receptor signaling regulators in microscopic and ulcerative colitis
  • 2014
  • Ingår i: World Journal of Gastroenterology. - : WJG Press. - 1007-9327 .- 2219-2840. ; 20:34, s. 12249-12259
  • Tidskriftsartikel (refereegranskat)abstract
    • AIM: To investigate Toll-like receptor (TLR) signaling regulators in microscopic and ulcerative colitis patients.METHODS: Total RNA and microRNA were isolated from fresh frozen colonic biopsies of non-inflamed controls and patients with active or in-remission collagenous colitis (CC), lymphocytic colitis (LC), or ulcerative colitis (UC). We compared expressions of interleukin-1 receptor-associated kinase (IRAK)-2, IRAK-M, interleukin (IL)-37, microRNA (miR)-146a, miR-155, and miR-21 using quantitative real time reverse transcription polymerase chain reaction.RESULTS: IRAK-M expression was increased in LC patients with active disease in histopathological remission (LC-HR; P = 0.02) and UC patients (P = 0.01), but no differences in IRAK-2 expression were detected compared to controls. miR-146a, -155 and -21 expressions were increased in LC-HR (P = 0.04, 0.07, and 0.004) and UC (P = 0.02, 0.04 and 0.03) patients. miR-146a and miR-21 expressions were significantly enhanced in UC patients compared to UC remission (UC-R; P = 0.01 and 0.04). Likewise, active CC patients showed significantly increased expression of miR-155 (P = 0.003) and miR-21 (P = 0.006). IL-37 expression was decreased in both CC (P = 0.03) and LC (P = 0.04) patients with a similar trend in UC patients but not statistically significant, whilst it was increased in UC-R patients compared to controls (P = 0.02) and active UC (P = 0.001).CONCLUSION: The identification of differentially expressed miRNAs, IL-37, and IRAK-M suggests different pathophysiologic mechanisms in various disease stages in LC, CC, and UC. (C) 2014 Baishideng Publishing Group Inc. All rights reserved.
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58.
  • Gunaltay, Sezin, 1986-, et al. (författare)
  • Enhanced levels of chemokines and their receptors in the colon of microscopic colitis patients indicate mixed immune cell recruitment
  • 2015
  • Ingår i: Mediators of Inflammation. - : Hindawi Limited. - 0962-9351 .- 1466-1861.
  • Tidskriftsartikel (refereegranskat)abstract
    • Microscopic colitis (MC), comprising collagenous colitis (CC) and lymphocytic colitis (LC), is a common cause of chronic diarrhea. Various immune cell infiltrations in the epithelium and lamina propria are seen in MC immunopathology. We compared gene and protein expressions of different immune cell attracting chemokines and their receptors in colon biopsies from MC patients in active disease or histopathological remission (CC/LC-HR) with controls, using qRT-PCR and Luminex, respectively. CC and LC patients with active disease demonstrated a mixed chemokine profile with significantly enhanced gene and/or protein expressions of the chemokines CCL2, CCL3, CCL4, CCL5, CCL7, CCL22, CXCL8, CXCL9, CXCL10, CXCL11, and CX(3)CL1 and the receptors CCR2, CCR3, CCR4, CXCR1, CXCR2, and CX(3)CR1. Enhanced chemokine/chemokine receptor gene and protein levels in LC-HR patients were similar to LC patients, whereas CC-HR patients demonstrated almost normalized levels. These findings expand the current understanding of the involvement of various immune cells in MC immunopathology and endorse chemokines as potential diagnostic markers as well as therapeutic candidates. Moreover, this study further supports the hypothesis that CC and LC are two different entities due to differences in their immunoregulatory responses.
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