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      Diet Quality during Infancy and Early Childhood in Children with and without Risk of Type 1 Diabetes: A DEDIPAC Study

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          Abstract

          Previous studies have indicated that mothers of children at increased risk of type 1 diabetes (T1D) may modify their child’s diet following risk notification. Our aim was to investigate the diet quality after notified of T1D risk in at-risk children compared to not-at-risk children. The quality of nutrient intake (PANDiet score) and food intake (analyzed by a newly developed score and the HuSKY score) were assessed using three-day dietary records collected for at-risk children (BABYDIET study, n = 109) and a matched sample of not-at-risk children (DONALD study, n = 205) at nine and 24 months of age. Nutrient and food intake quality were lower at nine months of age and food intake quality was lower at 24 months of age in at-risk than in not-at-risk children ( p = 0.01 and p < 0.0001, respectively). The amount of added sugar was higher in at-risk children at both ages ( p < 0.0001). In at-risk children, dietary quality was similar between children who were first exposed to gluten at six or 12 months of age. Despite being notified about their child’s risk of T1D, the child’s mother did not switch to healthier diets compared with not-at-risk mothers.

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          Timing of initial cereal exposure in infancy and risk of islet autoimmunity.

          Dietary exposures in infancy have been implicated, albeit inconsistently, in the etiology of type 1 diabetes mellitus (DM). To examine the association between cereal exposures in the infant diet and appearance of islet autoimmunity (IA). Birth cohort study conducted from 1994 to 2002 with a mean follow-up of 4 years. Newborn screening for HLA was done at St Joseph's Hospital in Denver, Colo. First-degree relatives of type 1 DM individuals were recruited from the Denver metropolitan area. We enrolled 1183 children at increased type 1 DM risk, defined as either HLA genotype or having a first-degree relative with type 1 DM, at birth and followed them prospectively. We obtained exposure and outcome measures for 76% of enrolled children. Participants had variable lengths of follow-up (9 months to 9 years). Blood draws for the detection of insulin autoantibody, glutamic acid decarboxylase autoantibody, or IA-2 autoantibody were performed at 9, 15, and 24 months and annually thereafter. Children with IA (n = 34) were defined as those testing positive for at least 1 of the autoantibodies on 2 or more consecutive visits and who tested positive or had diabetes on their most recent visit. Children initially exposed to cereals between ages 0 and 3 months (hazard ratio [HR], 4.32; 95% confidence interval [CI], 2.0-9.35) and those who were exposed at 7 months or older (HR, 5.36; 95% CI, 2.08-13.8) had increased hazard of IA compared with those who were exposed during the fourth through sixth month, after adjustment for HLA genotype, family history of type 1 DM, ethnicity, and maternal age. In children who were positive for the HLA-DRB1*03/04,DQB8 genotype, adjusted HRs were 5.55 (95% CI, 1.92-16.03) and 12.53 (95% CI, 3.19-49.23) for initial cereal exposure between ages 0 to 3 months and at 7 months or older, respectively. There may be a window of exposure to cereals in infancy outside which initial exposure increases IA risk in susceptible children.
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            Early infant feeding and risk of developing type 1 diabetes-associated autoantibodies.

            Dietary factors modifying type 1 diabetes mellitus (DM) risk have been proposed, but little is known if they trigger the islet autoimmunity that precedes clinical disease. To determine whether breastfeeding duration, food supplementation, or age at introduction of gluten-containing foods influences the risk of developing islet autoantibodies. Prospective natural history cohort study conducted from 1989 to 2003 in inpatient/outpatient clinics in Germany. The BABYDIAB study follows newborn children of parents with type 1 DM. Eligibility requirements were met in 1610 children. Blood samples were obtained at birth, age 9 months, 2, 5, and 8 years. Dropout rate was 14.4% by age 5 years. Breastfeeding data were obtained by prospective questionnaires (91% complete), and food supplementation data were obtained by family interview (72% for food supplementation and 80% for age of gluten introduction). Development of islet autoantibodies (insulin, glutamic acid decarboxylase, or IA-2 antibodies) in 2 consecutive blood samples. Life-table islet autoantibody frequency was 5.8% (SE, 0.6%) by age 5 years. Reduced total or exclusive breastfeeding duration did not significantly increase the risk of developing islet autoantibodies. Food supplementation with gluten-containing foods before age 3 months, however, was associated with significantly increased islet autoantibody risk (adjusted hazard ratio, 4.0; 95% confidence interval, 1.4-11.5; P =.01 vs children who received only breast milk until age 3 months). Four of 17 children who received gluten foods before age 3 months developed islet autoantibodies (life-table 5-year risk, 24%; SE, 10%). All 4 children had the high-risk DRB1*03/04,DQB1*0302 genotype. Early exposure to gluten did not significantly increase the risk of developing celiac disease-associated autoantibodies. Children who first received gluten foods after age 6 months did not have increased risks for islet or celiac disease autoantibodies. Ensuring compliance to infant feeding guidelines is a possible way to reduce the risk of development of type 1 DM autoantibodies.
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              The DONALD Study. History, current status and future perspectives.

              Nutrition during childhood and adolescence is an important determinant of development and health, both for the child and the later adult. In industrialised countries as well as in many countries of economic transition, emphasis has moved from combating nutrient deficiencies to research on the effects of overnutrition and food selection. Prevention of chronic diseases including obesity have become a major focus in research. However, the complex relation between infant growth and its related endocrine and metabolic changes on the one hand and the influence of nutrition and nutritional status on the other hand still need to be understood in detail. Studies aiming to elucidate this have to follow children and adolescents during their growth period. The following pages display the features of the German DONALD Study ( DOrtmund Nutritional and Anthropometric Longitudinally Designed Study) which was specifically designed to address these complex research questions. Finally, comparisons to other studies are made and the specific strength and weaknesses of this study are discussed. As the DONALD study offers unique research opportunities and due to its long follow-up an abundance of data, collaborative research is encouraged.
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                Author and article information

                Contributors
                On behalf of : on behalf of the DEDIPAC consortium
                Journal
                Nutrients
                Nutrients
                nutrients
                Nutrients
                MDPI
                2072-6643
                09 January 2017
                January 2017
                : 9
                : 1
                : 48
                Affiliations
                [1 ]Research Institute of Child Nutrition, University Clinic Bochum, Bochum 44791, Germany; S-Schoen@ 123456gmx.net (S.S.); kersting@ 123456fke-do.de (M.K.)
                [2 ]Institute of Diabetes Research, Helmholtz Zentrum München, and Forschergruppe Diabetes, Klinikum rechts der Isar, Technische Universität München, Neuherberg 85764, Germany; sibille.jergens@ 123456hotmail.com (S.J.); anette-g.ziegler@ 123456helmholtz-muenchen.de (A.-G.Z.)
                [3 ]Forschergruppe Diabetes e.V., Neuherberg 85764, Germany
                [4 ]German Center for Diabetes Research (DZD), München-Neuherberg 85764, Germany
                [5 ]Department of Nutrition and Food Sciences, Nutritional Epidemiology, University of Bonn, Bonn 53115, Germany; j.barbaresko@ 123456uni-bonn.de (J.B.); noethlings@ 123456uni-bonn.de (U.N.)
                [6 ]DONALD Study Dortmund, Department of Nutrition and Food Sciences, Nutritional Epidemiology, University of Bonn, University Branch Dortmund, Dortmund 44225, Germany; remer@ 123456uni-bonn.de
                [7 ]Department of Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal 14558, Germany; marta.stelmach@ 123456dife.de
                [8 ]Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Poznan 60-572, Poland
                Author notes
                [* ]Correspondence: Sandra.hummel@ 123456lrz.uni-muenchen.de ; Tel.: +49-893-187-2306
                Article
                nutrients-09-00048
                10.3390/nu9010048
                5295092
                28075358
                76778a94-2e8e-4832-9167-9b8f897149f1
                © 2017 by the authors; licensee MDPI, Basel, Switzerland.

                This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license ( http://creativecommons.org/licenses/by/4.0/).

                History
                : 28 October 2016
                : 30 December 2016
                Categories
                Article

                Nutrition & Dietetics
                nutrient intake quality,food intake quality,infancy,early childhood,type 1 diabetes

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