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Temporal trends of HLA genotype frequencies of type 1 diabetes patients in Sweden from 1986 to 2005 suggest altered risk
Department of Clinical Sciences, Unit of Diabetes and Celiac Disease, University Hospital MAS, CRC/Lund University, Malmö, Sweden.
Department of Pediatrics, Kristianstad Hospital, Kristianstad, Sweden.
Department of Pediatrics, Astrid Lindgren’s Hospital, Solna, Sweden.
Department of Clinical Sciences, Unit of Pediatrics, University Hospital, Lund University, Malmö, Sweden.
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2008 (English)In: Acta Diabetologica, ISSN 0940-5429, E-ISSN 1432-5233, Vol. 45, no 4, 231-235 p.Article in journal (Refereed) Published
Abstract [en]

The aim of this study was to compare the frequency of human leukocyte antigen (HLA) genotypes in 1–18-year-old patients with type 1 diabetes newly diagnosed in 1986–1987 (n = 430), 1996–2000 (n = 342) and in 2003–2005 (n = 171). We tested the hypothesis that the HLA DQ genotype distribution changes over time. Swedish type 1 diabetes patients and controls were typed for HLA using polymerase chain reaction amplification and allele specific probes for DQ A1* and B1* alleles. The most common type 1 diabetes HLA DQA1*-B1*genotype 0501-0201/0301-0302 was 36% (153/430) in 1986–1987 and 37% (127/342) in 1996–2000, but decreased to 19% (33/171) in 2003–2005 (P < 0.0001). The 0501-0201/0501-0201 genotype increased from 1% in 1986–1987 to 7% in 1996–2000 (P = 0.0047) and to 5% in 2003–2005 (P > 0.05). This study in 1–18-year-old Swedish type 1 diabetes patients supports the notion that there is a temporal change in HLA risk.

Place, publisher, year, edition, pages
Springer Milan, 2008. Vol. 45, no 4, 231-235 p.
Keyword [en]
HLA-DQ, genotype, temporal trends, age at diagnosis, autoimmune disease
National Category
Endocrinology and Diabetes
URN: urn:nbn:se:liu:diva-43465DOI: 10.1007/s00592-008-0048-5ISI: 000260538200006PubMedID: 18769865Local ID: 73923OAI: diva2:264324

The Swedish Childhood Diabetes Study Group

M. Aili, Halmstad; L.E. Ba ̊a ̊th, Östersund; E. Carlsson,Kalmar; H. Edenwall, Karlskrona; G. Forsander, Falun; BW. Granström, Gällivare; I. Gustavsson, Skellefteå; R. Hanås, Uddevalla; L. Hellenberg, Nyköping; H. Hellgren, Lidköping; E. Holmberg, Umeå; H.Hörnell, Hudiksvall; Sten-A. Ivarsson, Malmö; C. Johansson, Jönköping; G. Jonsell, Karlstad; K. Kockum, Ystad; B.Lindblad, Mölndal; A. Lindh, Borås; J. Ludvigsson, Linköping; U. Myrdal, Västerås; J. Neiderud, Helsingborg; K. Segnestam, Eskilstuna; S. Sjöblad, Lund; L. Skogsberg, Boden; L. Strömberg, Norrköping; U. Ståhle, Ängelholm; B. Thalme, Huddinge; K. Tullus, Danderyd; T. Tuvemo, Uppsala; M. Wallensteen, Stockholm; O. Westphal, Göteborg and J. Åman, Örebro. All from Departments of Pediatrics in Sweden.

Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2015-10-09Bibliographically approved

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