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Mutational Analysis of CD28 in Coeliac Disease
Linköping University, Faculty of Health Sciences. Linköping University, Department of Molecular and Clinical Medicine, Pediatrics.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Molecular and Clinical Medicine, Pediatrics. Östergötlands Läns Landsting, Centre of Paediatrics and Gynecology and Obstetrics, Barn.
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2002 (English)In: Scandinavian Journal of Gastroenterology, ISSN 0036-5521, E-ISSN 1502-7708, Vol. 37, no 5, 537-539 p.Article in journal (Refereed) Published
Abstract [en]

Background: Coeliac disease shows a strong genetic predisposition involving HLA-DQ2 and non-HLA components. The CD28 cell surface molecule. encoded by CD28, represents a potential candidate coeliac disease susceptibility gene. Furthermore. some studies have demonstrated linkage to the CD28/CTLA4 gene region. To investigate whether germline mutations in CD28 contribute to coeliac disease susceptibility. we have carried out a comprehensive analysis of the gene in Swedish patients with biopsy-proven disease, Methods: Blood samples were collected from 52 children with biopsy proven coeliac disease attending one Swedish centre. DNA was extracted from lymphocytes and all exons and intronexon boundaries of CD28 were screened for mutations. Analysis of CD28 was undertaken by a combination of conformation specific gel electrophoresis and direct sequencing. Results: Three sequence variants were identified: a synonymous G-->A substitution at position 3 of codon 35 encoding alanine, a synonymous G-->A substitution at position 3 of codon 70 encoding glycine, and a T-->C substitution at nucleotide +17 of intron 3. No pathogenic variants were detected. Conclusions: There is no evidence from this study that Mutations in CD28. which lead to an uttered protein, contribute to coeliac disease susceptibility.

Place, publisher, year, edition, pages
2002. Vol. 37, no 5, 537-539 p.
Keyword [en]
CD28, coeliac disease, CTLA4
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-26493Local ID: 11049OAI: oai:DiVA.org:liu-26493DiVA: diva2:247042
Available from: 2009-10-08 Created: 2009-10-08 Last updated: 2017-12-13

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Stenhammar, Lars

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CiteExportLink to record
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