Abstract:
OBJECTIVE:Crohn's disease (CD) has been associated with low mucosal interleukin (IL)-10 production, but the mechanism behind this deficiency remains unclear. The aim of this study was to investigate IL-10 and interferon (IFN)-gamma production in intestinal CD4+ T cells from CD patients and healthy volunteers (HV) and to examine how this was affected by bacterial products and the presence or absence of autologous dendritic cells. MATERIAL AND METHODS:We cultured intestinal CD4+ T cells from CD patients (n=9) and HV (n=6) and differentiated dendritic cells from their peripheral monocytes. Intestinal T cells were stimulated with Lactobacillus strains or autologous intestinal bacteria in the presence or absence of dendritic cells. IL-10 and IFN-gamma were measured on day 4. RESULTS:When there were autologous dendritic cells present, CD intestinal T cells produced high levels of IFN-gamma (mean 6.4 ng/ml+/-standard error of the mean 1.1 ng/ml) but low levels of IL-10 (0.7 ng/ml+/-0.1 ng/ml). In contrast, HV intestinal T cells produced less IFN-gamma (3.9 ng/ml+/-0.8 ng/ml, p=0.06) and more IL-10 (4.6 ng/ml+/-0.9 ng/ml, p=0.0001) than CD intestinal T cells. Co-culture with Lactobacilli failed to revert this imbalance in CD, but tended to do so in HV. When there were no dendritic cells, CD intestinal T cells responded to autologous bacteria with an increased IFN-gamma production (2.3+/-1.3 ng/ml) compared with HV intestinal T cells (0.3+/-0.2 ng/ml). CONCLUSIONS:Crohn's disease intestinal CD4+ T cells display a pro-inflammatory cytokine profile with impaired production of the regulatory cytokine IL-10. Tolerogenic bacteria (Lactobacilli) failed to restore this regulatory defect.
journal_name
Scand J Gastroenteroljournal_title
Scandinavian journal of gastroenterologyauthors
Hvas CL,Kelsen J,Agnholt J,Höllsberg P,Tvede M,Møller JK,Dahlerup JFdoi
10.1080/00365520601013754subject
Has Abstractpub_date
2007-05-01 00:00:00pages
592-601issue
5eissn
0036-5521issn
1502-7708pii
777319716journal_volume
42pub_type
杂志文章abstract:BACKGROUND:Erythromycin has recently been found to be a gastrointestinal prokinetic agent in humans. Acute hyperglycaemia has been associated with delayed gastric emptying in both healthy controls and diabetic patients. Our aim was to investigate in gastroparetic patients (diabetics and idiopathics) whether hyperglycae...
journal_title:Scandinavian journal of gastroenterology
pub_type: 临床试验,杂志文章,随机对照试验
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pub_type: 杂志文章,多中心研究
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pub_type: 杂志文章,评审
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更新日期:2008-01-01 00:00:00
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更新日期:2018-01-01 00:00:00
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pub_type: 临床试验,杂志文章
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journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章,评审
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更新日期:2014-08-01 00:00:00
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pub_type: 杂志文章
doi:10.3109/00365529609051991
更新日期:1996-09-01 00:00:00
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journal_title:Scandinavian journal of gastroenterology
pub_type: 临床试验,杂志文章,随机对照试验
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pub_type: 临床试验,杂志文章
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2002-12-01 00:00:00
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更新日期:2016-07-01 00:00:00
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journal_title:Scandinavian journal of gastroenterology
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2004-07-01 00:00:00
abstract::Twenty-seven patients with familial amyloidosis with polyneuropathy were studied with regard to the morphology of the small intestine, and this was correlated to symptoms and malabsorption features. The mucosa was normal in all cases investigated by the dissecting microscope, the light microscope, and the scanning ele...
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abstract::[3H]retinal- or [3h]cholesterol- and [14C]fatty acid-labeled chylomicrons and chylomicron remnants were injected intravenously into normal rats and rats subjected to partial or total obstruction of the bile duct 8 or 48 h earlier. The clearance from plasma of the [3H]retinyl and the [3H]cholesteryl esters in 30-120 mi...
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更新日期:1980-01-01 00:00:00
abstract:OBJECTIVE:As a minimally invasive modality, radiofrequency ablation (RFA) has been increasingly applied not only for the treatment of hepatocellular carcinoma, but also for that of colorectal liver metastasis (CLM). However, RFA for CLM has been shown to be associated with a high local recurrence rate, and no optimal t...
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更新日期:2014-05-01 00:00:00
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journal_title:Scandinavian journal of gastroenterology
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1992-01-01 00:00:00