Abstract
Acute lymphoblastic leukemia (ALL) is the most common subtype of leukemia in children. Although ALL and type 1 diabetes appear to be biologically unrelated, there are common threads in both epidemiology and etiology. Rising incidence rates of both ALL (1) and type 1 diabetes (2) observed over recent decades in many Western countries seem to support common etiological factors (3). In the current study, we report on diabetes-related autoantibodies (Abs) in a group of patients with ALL. Thirty-four consecutive children (19 males and 15 females, mean age 6.2 ± 4.6 years) were referred to our institution in 2004 for newly diagnosed ALL. Patients were tested for Abs to islet and thyroid antigens. After the initial investigation and treatment, 31/34 (91%) patients (3 died in the mean time) were followedup for 6 years to evaluate the evolution of the autoimmune markers and progression toward type 1 diabetes. Glutamic acid decarboxylase (GAD) Abs by direct …
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