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Enhanced interleuki...
Enhanced interleukin-18 levels in the peripheral blood of children with coeliac disease
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- Lettesjö, Helene (author)
- Department of Gastrointestinal Research, Pharmacia Diagnostics, Uppsala, Sweden,Allmänpediatrisk forskning/Nordvall
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- Hansson, Tony (author)
- Uppsala universitet,Pediatrik,Allmänpediatrisk forskning/Nordvall
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- Bergqvist, Anders (author)
- Department of Gastrointestinal Research, Pharmacia Diagnostics, Uppsala, Sweden
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- Grönlund, J (author)
- Department of Paediatrics, University Hospital of Turku, Turku, Finland
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- Dannaeus, Anders (author)
- Uppsala universitet,Pediatrik,Allmänpediatrisk forskning/Nordvall
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(creator_code:org_t)
- 2004-12-14
- 2005
- English.
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In: Clinical and Experimental Immunology. - : Oxford University Press (OUP). - 0009-9104 .- 1365-2249. ; 139:1, s. 138-143
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Abstract
Subject headings
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- Coeliac disease (CoD) is a small intestinal disorder characterized by villous atrophy, crypt cell hyperplasia and an increased production of T helper cell type 1 (Th1) cytokines. Interleukin (IL)-18 is a pro-inflammatory cytokine that has a crucial role in maintaining the Th1 response. In this study, the serum levels of IL-18 were measured in children with CoD or other gastrointestinal diseases in order to evaluate the possibility of using IL-18 as a disease activity marker. IL-18 levels were higher in samples from CoD patients [median 443 pg/ml (148-885)] compared to healthy controls [median 205 pg/ml (11-379)], P <0.05. In contrast, the levels of IL-18 were not enhanced significantly in the serum from patients with inflammatory bowel disease (IBD) [median 324 pg/ml (207-546)] or in the disease control group [median 303 pg/ml (2-689)]. In CoD patients, after 2 weeks of gluten challenge (GC), serum IL-18 was unchanged [median 268 pg/ml (59-458)] compared to patients on a gluten-free diet [median 220 pg/ml (53-600)], while IL-18 was increased after 12 weeks of GC [median 551 pg/ml (94-952)], P <0.01. The IL-18 levels correlated with IgA anti-transglutaminase antibody levels (rs=0.59, P=0.016) in serum from untreated CoD patients, and IL-18 also followed the degree of small intestinal villous atrophy in 12 out of 19 CoD patients. Our results support the view that serum IL-18 concentrations in children with CoD follow disease activity, suggesting a role for IL-18 in the induction of an inflammatory Th1-response after gluten exposure.
Keyword
- Adolescent
- Atrophy
- Biological Markers/blood
- Celiac Disease/*blood/immunology/pathology
- Child
- Child; Preschool
- Diet; Protein-Restricted
- Female
- Gluten/immunology
- Humans
- Immunoglobulin A/blood
- Infant
- Inflammatory Bowel Diseases/blood/immunology
- Interleukin-18/*blood
- Intestine; Small/pathology
- Male
- Retrospective Studies
- Transglutaminases/immunology
Publication and Content Type
- ref (subject category)
- art (subject category)
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