scholarly journals Expression of CD44 in Monocyte and Lymphocyte Subpopulations in Patients With Inflammatory Bowel Diseases

Author(s):  
Ivana Franić ◽  
Nikolina Režić Mužinić ◽  
Anita Markotić ◽  
Piero Marin Živković ◽  
Marino Vilović ◽  
...  

Abstract CD44 expressed in monocytes and lymphocytes seems to play a crucial role in gastrointestinal inflammation, such as the one occurring in the context of inflammatory bowel diseases (IBD). Differentially methylated genes are distinctly expressed across monocyte subpopulations related to the state of Crohn's disease. Hence, the aim of this study was to detect CD44 expression at monocyte subpopulations, lymphocytes and granulocytes in relation to the type of IBD, therapy and disease duration. Monocyte subpopulations CD14++CD16−, CD14+CD16++ and CD14+CD16+, as well as other leukocytes, were analyzed for their CD44 expression using flow cytometry in 46 patients with IBD and 48 healthy controls. Patients with Crohn's disease treated with non-biological therapy (NBT) exhibited lower percentage of anti-inflammatory CD14+CD16++ monocytes, whereas NBT-treated patients with ulcerative colitis had lower expression of CD44 on CD14+CD44+ lymphocytes, in comparison to controls, respectively. Conversely, patients with Crohn's disease treated with biological therapy had higher percentage of CD44+ granulocytes, but lower expression of CD44 on anti-inflammatory monocytes compared to controls. Percentage of classical CD14++CD16- monocytes was lower in the <9 years of IBD duration subgroup, compared with the longer disease duration subgroup. The present study addresses the putative role of differentiation and regulation of monocyte and lymphocyte cells in tailoring IBD therapeutic regimes.

2014 ◽  
Vol 86 (9) ◽  
Author(s):  
Aneta Raczkowska ◽  
Michał Ławiński ◽  
Aleksandra Gradowska ◽  
Urszula Zielińska-Borkowska

AbstractOne of the elements of treatment considering inflammatory bowel diseases is nutritional therapy. The duration of the above-mentioned depends on the prevalence of such symptoms as fever, bowel move-ments, length of the functioning gastrointestinal tract, stoma and intestinal fistula presence. Nutritional therapy is an essential element of successful treatment alongside pharmacological, surgical, and biological therapy, as well as other methods. Crohn's disease and ulcerative colitis considered as chronic diseases, lead towards physical and biopsychosocial disability, being responsible for the reduction in the quality of life.was to determine the quality of life after surgical procedures in case of patients diagnosed with Crohn's disease and ulcerative colitis, subjected to natural and parenteral nutrition.The study group comprised 52 patients from the Department of Gastroen-terology, Military Medical Institute, and Department of Surgery and Clinical Nutrition, Clinical Hospital in Warsaw. The study was performed between October, 2011 and April, 2012. The World Health Organization Quality of Life Instrument - Bref (WHOQOL-BREF) questionnaire was used to deter-mine the patients’ quality of life.A lower quality of life was observed in case of patients subjected to parenteral nutrition, poor education, disease symptoms exacerbation, in the majority-rural inhabitants. The quality of life does not depend on gender, type of disease, family status, and additional medical care.


2018 ◽  
pp. 1-6
Author(s):  
Marwah Sami M Hussain ◽  
Bandar Idrees Ali ◽  
Abdullah Alzahrani

Background: Inflammatory bowel diseases are strongly associated with colorectal cancer. In addition, a few cases reported with gastric and small bowel adenocarcinoma in gastroduodenal Crohn’s disease. Case report: We reported a case of a 47-Year-old female, who was referred to our surgical department and after a routine gastroscopy which revealed a lesion. Biopsy confirmed gastric well-differentiated adenocarcinoma of limited gastric Crohn’s disease, for a patient on regular anti Crohn’s medication. The patient underwent varying laparoscopic distal gastrectomy. She received adjuvant chemotherapy treatment and thereafter, she was cancer free within the period of 3- years of regular follow up. Conclusion: The only way to diagnose such lesions of a rare case of gastric cancer in a patient with Crohn’s disease is to regularly carry out upper gastrointestinal examinations. Keywords: Inflammatory bowel diseases, Crohn’s disease, Upper gastrointestinal tract Crohn’s disease, Gastric cancer


2015 ◽  
Vol 52 (1) ◽  
pp. 50-54 ◽  
Author(s):  
Lorete Maria da Silva KOTZE ◽  
Renato Mitsunori NISIHARA ◽  
Sandra Beatriz MARION ◽  
Murilo Franco CAVASSANI ◽  
Paulo Gustavo KOTZE

Background Determination of fecal calprotectin can provide an important guidance for the physician, also in primary care, in the differential diagnosis of gastrointestinal disorders, meanly between inflammatory bowel diseases and irritable bowel syndrome. Objectives The aims of the present study were to prospectively investigate, in Brazilian adults with gastrointestinal complaints, the value of fecal calprotectin as a biomarker for the differential diagnosis between functional and organic disorders and to correlate the concentrations with the activity of inflammatory bowel diseases. Methods The study included consecutive patients who had gastrointestinal complaints in which the measurement levels of fecal calprotectin were recommended. Fecal calprotectin was measured using a Bühlmann (Basel, Switzerland) ELISA kit Results A total of 279 patients were included in the study, with median age of 39 years (range, 18 to 78 years). After clinical and laboratorial evaluation and considering the final diagnosis, patients were allocated into the following groups: a) Irritable Bowel Syndrome: 154 patients (102 female and 52 male subjects). b) Inflammatory Bowel Diseases group: 112 patients; 73 with Crohn’s disease; 38 female and 35 male patients; 52.1% (38/73) presented active disease, and 47.9% (35/73) had disease in remission and 39 patients with ulcerative colitis;19 female and 20 male patients; 48.7% (19/39) classified with active disease and 49.3% (20/39) with disease in remission. A significant difference (P<0.001) was observed between the median value of fecal calprotectin in Irritable Bowel Syndrome group that was 50.5 µg/g (IQR=16 - 294 µg/g); 405 µg/g (IQR=29 - 1980 µg/g) in Crohn’s disease patients and 457 µg/g (IQR=25 - 1430 µg/g) in ulcerative colitis patients. No difference was observed between the values found in the patients with Crohn’s disease and ulcerative colitis. Levels of fecal calprotectin were significantly lower in patients with inflammatory bowel diseases in remission when compared with active disease (P<0.001). Conclusions The present study showed that the determination of fecal calprotectin assists to differentiate between active and inactive inflammatory bowel diseases and between inflammatory bowel diseases and irritable bowel syndrome.


1997 ◽  
Vol 75 (6) ◽  
pp. 789-794 ◽  
Author(s):  
Guylaine Roy ◽  
Stéphane Mercure ◽  
Frédéric Beuvon ◽  
Jean-Pierre Perreault

Circular RNAs reminiscent of viroids and the human hepatitis delta virus have been proposed as possible nonconventional pathogens responsible for Crohn's disease and ulcerative colitis, two inflammatory bowel diseases. Consequently, RNA was extracted from various areas of intestinal tissues from individuals with either Crohn's disease or ulcerative colitis as well as several appropriate control diseases, and analyzed by two-dimensional gel electrophoresis. No circular viroid-like RNAs (<1500 nucleotides) were detected, confirming a previous report that was limited to the investigation of small RNAs (<300 nucleotides). However, three small, unusually stable, linear RNAs were shown to be associated to both Crohn's disease and ulcerative colitis tissues: a specific 28S ribosomal RNA cleavage product characterized previously; a 5.8S ribosomal RNA conformer; and a fragment homologous to transcripts from DNA CpG islands. The two last RNAs were detected prior to visible morphological tissue alterations, suggesting that they are produced early during the inflammation and that they have value as molecular diagnostic tools for the inflammatory bowel diseases. The potential cellular mechanisms producing these RNAs and their involvement in inflammatory bowel disease are discussed. Key words: ribosomal RNA, inflammatory bowel diseases, human intestine, inflammation, viroids.


Author(s):  
Andreas Zollner ◽  
Andreas Schmiderer ◽  
Simon J Reider ◽  
Georg Oberhuber ◽  
Alexandra Pfister ◽  
...  

Abstract Background and Aims Faecal biomarkers, particularly calprotectin [FCAL], have become important diagnostic and monitoring tools in inflammatory bowel diseases [IBD]. As FCAL is mainly produced by neutrophils, we hypothesised that faecal lipocalin-2 [FLCN2], also expressed by intestinal epithelial cells [IEC], could be beneficial in specific clinical situations. Methods We compared clinical and endoscopic activity-related correlations between FCAL and FLCN2, assayed from the same sample, in a cohort of 132 patients (72 Crohn’s disease [CD]) and 40 controls. A detailed analysis of cellular origins was done by confocal microscopy and flow cytometry. To evaluate the potential to detect low-grade inflammation, we studied faecal and tissue concentrations in a cohort with clinical, endoscopic, and histological remission. Results There was an excellent correlation between FCAL and FLCN2 [rS = 0.87, p &lt;0.001] and comparable sensitivity and specificity to predict clinical and endoscopic disease activity, with optimal thresholds for endoscopic activity of 73.4 and 1.98 µg/g in ulcerative colitis [UC] and 78.4 and 0.56 µg/g in Crohn’s disease for FCAL and FLCN2, respectively. Strong co-expression of both proteins was observed in granulocytes and macrophages. IECs expressed LCN2 but not CAL. In our IBD cohort in deep remission neither FCAL nor FLCN2 was different from controls; yet mucosal LCN2 but not CAL expressions remained elevated in the rectum of UC and the ileum of CD patients. Conclusions This study corroborates the diagnostic equivalence of FLCN2 and FCAL in IBD. In remission, persistent mucosal overexpression renders LCN2 an attractive candidate for molecular inflammation warranting further investigation.


2016 ◽  
Vol 2016 ◽  
pp. 1-7 ◽  
Author(s):  
Katarzyna Jakubowska ◽  
Anna Pryczynicz ◽  
Piotr Iwanowicz ◽  
Andrzej Niewiński ◽  
Elżbieta Maciorkowska ◽  
...  

Crohn’s disease (CD) and ulcerative colitis (UC) belong to a group of inflammatory bowel diseases (IBD). The aim of our study was to evaluate the expression of MMP-2, MMP-7, MMP-9, TIMP-1, and TIMP-2 in ulcerative colitis and Crohn’s disease. The study group comprised 34 patients with UC and 10 patients with CD. Evaluation of MMP-2, MMP-7, MMP-9, TIMP-1, and TIMP-2 expression in tissue samples was performed using immunohistochemistry. The overexpression of MMP-9 and TIMP-1 was dominant in both the glandular epithelium and inflammatory infiltration in UC patients. In contrast, in CD subjects the positive expression of MMP-2 and TIMP-1 was in glandular tubes while mainly MMP-7 and TIMP-2 expression was in inflammatory infiltration. Metalloproteinases’ expression was associated with the presence of erosions, architectural tissue changes, and inflammatory infiltration in the lamina propria of UC patients. The expression of metalloproteinase inhibitors correlated with the presence of eosinophils and neutrophils in UC and granulomas in CD patients. Our studies indicate that the overexpression of metalloproteinases and weaker expression of their inhibitors may determine the development of IBD. It appears that MMP-2, MMP-7, and MMP-9 may be a potential therapeutic target and the use of their inhibitors may significantly reduce UC progression.


2012 ◽  
Vol 2012 ◽  
pp. 1-11 ◽  
Author(s):  
Thomas Lindebo Holm ◽  
Steen Seier Poulsen ◽  
Helle Markholst ◽  
Stine Reedtz-Runge

Animal models are important tools in the development of new drug candidates against the inflammatory bowel diseases (IBDs) Crohn's disease and ulcerative colitis. In order to increase the translational value of these models, it is important to increase knowledge relating to standard drugs. Using the SCID adoptive transfer colitis model, we have evaluated the effect of currently used IBD drugs and IBD drug candidates, that is, anti-TNF-α, TNFR-Fc, anti-IL-12p40, anti-IL-6, CTLA4-Ig, anti-α4β7 integrin, enrofloxacin/metronidazole, and cyclosporine. We found that anti-TNF-α, antibiotics, anti-IL-12p40, anti-α4β7 integrin, CTLA4-Ig, and anti-IL-6 effectively prevented onset of colitis, whereas TNFR-Fc and cyclosporine did not. In intervention studies, antibiotics, anti-IL-12p40, and CTLA4-Ig induced remission, whereas the other compounds did not. The data suggest that the adoptive transfer model and the inflammatory bowel diseases have some main inflammatory pathways in common. The finding that some well-established IBD therapeutics do not have any effect in the model highlights important differences between the experimental model and the human disease.


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