No Relation Between Cystic Fibrosis–Related Diabetes and Type 1 Diabetes Autoimmunity

Résumé fourni par la source

Diabetes is the most common comorbidity in individuals with cystic fibrosis. The etiology is poorly understood. Data on the presence of diabetes autoantibodies are conflicting, and little is known about type 1 diabetes gene associations. Our goal was to determine the prevalence of antibodies and HLA haplotypes known to be associated with type 1 diabetes in cystic fibrosis–related diabetes (CFRD). Patients with CFRD with fasting hyperglycemia were recruited from the University of Minnesota. Serum for antibodies and buffy coats for HLA were sent for analysis to the Barbara Davis Center for Childhood Diabetes (BDC). All patients gave informed consent. The Eisenbarth laboratory at BDC serves as the autoantibody/HLA reference laboratory for large national diabetes studies. Insulin, insulinoma-associated protein 2 (IA-2), GAD65, and zinc transporter 8 (ZnT8) autoantibodies were measured by radioimmunoassay …

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