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

  • Mario Maioli
  • G Tonolo
  • L Bekris
  • R Cirillo
  • D Schranz
  • E Cossu
  • M Ciccarese
  • Åke Lernmark
Publishing year: 2002
Language: English
Pages: 41-47
Publication/Series: Diabetes Research and Clinical Practice
Volume: 56
Issue: 1
Document type: Journal article
Publisher: Elsevier

Abstract english

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


  • Endocrinology and Diabetes


  • ISSN: 1872-8227
E-mail: ake [dot] lernmark [at] med [dot] lu [dot] se

Principal investigator

Diabetes and Celiac Unit

+46 40 39 19 01

+46 70 616 47 79


Jan Waldenströms gata 35, Malmö


Lund University Diabetes Centre, CRC, SUS Malmö, Jan Waldenströms gata 35, House 91:12. SE-214 28 Malmö. Telephone: +46 40 39 10 00