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Träfflista för sökning "WFRF:(Schaefer A.) srt2:(2000-2004)"

Sökning: WFRF:(Schaefer A.) > (2000-2004)

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  • Lowe, Michael R., et al. (författare)
  • The length of the CTLA-4 microsatellite (AT)(N)-repeat affects the risk for type 1 diabetes
  • 2000
  • Ingår i: Autoimmunity. - : Informa UK Limited. - 0891-6934 .- 1607-842X. ; 32:3, s. 173-180
  • Tidskriftsartikel (refereegranskat)abstract
    • CTLA-4 is important to down-regulating T cell responses and has been implicated in type 1 (insulin dependent) diabetes mellitus in both linkage and association studies. The aim of our study was to relate the polymorphic (AT)(n) microsatellite in the 3' untranslated sequence of the CTLA-4 gene to diabetes risk. We studied 616 consecutively diagnosed 0-34 year-old Swedish patients and 502 matched controls by PCR-based genotyping to determine the length of the 3'-end (AT)(n)repeat region of the CTLA-4 gene and categorizing alleles as predominantly monomorphic short (S) or highly polymorphic (in length) long (L) alleles. The odds of type 1 diabetes of subjects with the L/L genotype was estimated to be 1.84 times that of subjects with the S/S genotype (95% CI 1.44-2.73, p=0.002). Further analysis of the long alleles, partitioned into intermediate (I) length and very long (VL) alleles, suggested that L alleles act recessively in conferring diabetes risk (p=0.0009). This study suggests that the 3'-end (AT)(n) repeat region of the CTLA-4 gene represents a recessive risk factor for type 1 diabetes.
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  • Niklasson, Bo, et al. (författare)
  • Development of type 1 diabetes in wild bank voles associated with islet autoantibodies and the novel ljungan virus.
  • 2003
  • Ingår i: International journal of experimental diabesity research. - : Hindawi Limited. ; 4:1, s. 35-44
  • Tidskriftsartikel (refereegranskat)abstract
    • Wild bank voles (Clethrionomys glareolus) may develop diabetes in laboratory captivity. The aim of this study was to test whether bank voles develop type 1 diabetes in association with Ljungan virus. Two groups of bank voles were analyzed for diabetes, pancreas histology, autoantibodies to glutamic acid decarboxylase (GAD65), IA-2, and insulin by standardized radioligand-binding assays as well as antibodies to in vitro transcribed and translated Ljungan virus antigens. Group A represented 101 trapped bank voles, which were screened for diabetes when euthanized within 24 hours of capture. Group B represented 67 bank voles, which were trapped and kept in the laboratory for 1 month before being euthanized. Group A bank voles did not have diabetes. Bank voles in group B (22/67; 33%) developed diabetes due to specific lysis of pancreatic islet beta cells. Compared to nondiabetic group B bank voles, diabetic animals had increased levels of GAD65 (P < .0001), IA-2 (P < .0001), and insulin (P
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