GAD65 and IA-2 autoantibodies are common in a subset of siblings of Sardinian Type 2 diabetes families.

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Type 1 diabetes in Sardinia is very common in children, and we hypothesized that Latent Autoimmune Diabetes of Adult (LADA) might constitute a significant proportion of diabetes in adult Sardinian subjects. Since Type 2 diabetes is a familial disorder, we tested this hypothesis by investigating the prevalence of GAD65 and IA-2 autoantibodies (Ab) in Type 2 diabetes multiplex families of Sardinian ancestry enrolled in the Study Group for the Genetics of Diabetes in Sardinia. METHODS: A total of 684 individuals were ascertained from 252 Sardinian Type 2 diabetes multiplex families with 2.4 affected siblings per family comprising 190 families with two affected, 37 with three, 15 with four, 7 with five, and 3 with six, in addition to 80 unaffected siblings. Controls were household contacts representing 204 healthy spouses of affected siblings. Diagnosis was at 35-69 years of age and insulin was not given in the first 4 years after diagnosis. GAD65Ab and IA-2Ab were determined in standard r


  • Mario Maioli
  • G Tonolo
  • L Bekris
  • R Cirillo
  • D Schranz
  • E Cossu
  • M Ciccarese
  • Åke Lernmark
  • Study Group for the Genetics of Diabetes in Sardinia (SGGDS
Externa organisationer
  • External Organization - Unknown

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Endokrinologi och diabetes
Sidor (från-till)41-47
TidskriftDiabetes Research and Clinical Practice
Utgåva nummer1
StatusPublished - 2002
Peer review utfördJa
Externt publiceradJa