Temporal trends of HLA genotype frequencies of type 1 diabetes patients in Sweden from 1986 to 2005 suggest altered riskShow others and affiliations
2008 (English)In: Acta Diabetologica, ISSN 0940-5429, E-ISSN 1432-5233, Vol. 45, no 4, p. 231-235Article 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, p. 231-235
Keywords [en]
HLA-DQ, genotype, temporal trends, age at diagnosis, autoimmune disease
National Category
Endocrinology and Diabetes
Identifiers
URN: urn:nbn:se:liu:diva-43465DOI: 10.1007/s00592-008-0048-5ISI: 000260538200006PubMedID: 18769865Local ID: 73923OAI: oai:DiVA.org:liu-43465DiVA, id: diva2:264324
Note
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.
2009-10-102009-10-102017-12-13Bibliographically approved