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OBJECTIVE To investigate age-period-cohort effects on the temporal trend of type 1 diabetes in children age 0-14 years in Italian registries. RESEARCH DESIGN AND METHODS This report is based on 5,180 incident cases in the period 1990-2003 from the Registry for Type 1 Diabetes Mellitus in Italy (RIDI). Multilevel (random intercept) Poisson regression(More)
Animal insulinoma cell lines are widely used to study physiological and pathophysiological mechanisms involved in glucose metabolism and to establish in vitro models for studies on beta-cells. In contrast, human insulinoma cell lines are rarely used because of difficulties in obtaining and culturing them for long periods. The aim of our study was to(More)
A few obese youth with type 2 diabetes have evidence of islet cell autoimmunity with autoantibodies toward b-cells typical of type 1 diabetes defining what is called " double diabetes " (DD). The increasingly " obesogenic " environment that favors insulin resistance could account for the development of islet cell autoimmunity through different mechanisms.(More)
AIMS/HYPOTHESIS The diabetes-inducing potential of cows' milk is still debated and there is no consensus on the diabetogenicity of individual milk proteins. A(1)-beta-casein has been associated with increased diabetes frequency in ecological studies and in NOD mice. Our aim was to ascertain whether A(1)-beta-casein was more diabetogenic than A(2) and to(More)
OBJECTIVE Beta-cell function in type 1 diabetes clinical trials is commonly measured by C-peptide response to a secretagogue in either a mixed-meal tolerance test (MMTT) or a glucagon stimulation test (GST). The Type 1 Diabetes TrialNet Research Group and the European C-peptide Trial (ECPT) Study Group conducted parallel randomized studies to compare the(More)
BACKGROUND Hypovitaminosis D has been recently recognized as a worldwide epidemic. Since vitamin D exerts significant metabolic activities, comprising free fatty acids (FFA) flux regulation from the periphery to the liver, its deficiency may promote fat deposition into the hepatocytes. Aim of our study was to test the hypothesis of a direct association(More)
BACKGROUND The cows' milk hypothesis for the cause of insulin-dependent diabetes (IDDM) is based on the concept that early consumption of cows' milk may expose the immune system to a foreign protein possessing immunological cross-reactivity with an antigen present on pancreatic beta-cells. METHODS We measured in-vitro peripheral lymphocyte response to(More)
BACKGROUND The study of endogenous insulin secretion may provide relevant insight into the comparison of the natural history of adult onset latent autoimmune diabetes (LADA) with types 1 and 2 diabetes mellitus. The aim of this study was to compare the results of the C-peptide response to mixed-meal stimulation in LADA patients with different disease(More)
BACKGROUND Innate immunity contributes to the pathogenesis of autoimmune diseases, such as type 1 diabetes, but until now no randomised, controlled trials of blockade of the key innate immune mediator interleukin-1 have been done. We aimed to assess whether canakinumab, a human monoclonal anti-interleukin-1 antibody, or anakinra, a human interleukin-1(More)
OBJECTIVE Specific autoantibodies characterize type 1 diabetes in childhood but are also found in adult-onset diabetes, even when initially non-insulin requiring, e.g., with latent autoimmune diabetes (LADA). We aimed to characterize adult-onset autoimmune diabetes. RESEARCH DESIGN AND METHODS We consecutively studied 6,156 European diabetic patients(More)