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Silvis, K.* ; Aronsson, C.A.* ; Liu, X.* ; Uusitalo, U.* ; Yang, J.* ; Tamura, R.* ; Lernmark, A.* ; Rewers, M.* ; Hagopian, W.* ; She, J.X.* ; Simell, O.* ; Toppari, J.* ; Ziegler, A.-G. ; Akolkar, B.* ; Krischer, J.* ; Virtanen, S.M.* ; Norris, J.M.* ; Teddy Study Group*

Maternal dietary supplement use and development of islet autoimmunity in the offspring: TEDDY study.

Pediatr. Diabetes 20, 86-92 (2019)
Postprint DOI PMC
Open Access Green
Objective We investigated the association between maternal use of vitamin D and omega-3 fatty acids (n-3 FAs) supplements during pregnancy and risk of islet autoimmunity (IA) in the offspring. Methods The Environmental Determinants of Diabetes in the Young (TEDDY) Study is prospectively following 8676 children with increased genetic risk for type 1 diabetes in Finland, Germany, Sweden, and the United States. Blood samples were collected every 3 months between 3 and 48 months of age then every 6 months thereafter to determine persistent IA. Duration, frequency, and supplement dose during pregnancy were recalled by mothers at 3 to 4 months postpartum. Cumulative intakes of supplemental vitamin D and n-3 FAs were analyzed as continuous or binary variables. We applied time-to-event analysis to study the association between maternal supplement use and IA, adjusting for country, human leukocyte antigen-DR-DQ genotype, family history of type 1 diabetes and sex. Secondary outcomes included insulin autoantibodies (IAA) or glutamic acid decarboxylase (GADA) as the first appearing autoantibody. Results As of February 2018, there were 747 (9.0%) children with IA. Vitamin D supplement intake during pregnancy (any vs none) was not associated with risk for IA (hazard ratio [HR] 1.11; 95% confidence interval [CI] 0.94, 1.31); neither was cumulative vitamin D supplement intake. Supplemental n-3 FA intake was similarly not associated with IA risk (HR: 1.19, 95% CI 0.98, 1.45). Similar lack of association was observed for either IAA or GADA as the first appearing autoantibody. Conclusions The TEDDY cohort showed no evidence of benefit regarding IA risk for vitamin D or n-3 FA supplementation during pregnancy.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Korrespondenzautor
Schlagwörter Dietary Supplements ; Islet Autoimmunity ; Omega-3 Fatty Acids ; Pregnancy ; Vitamin D; 25-hydroxyvitamin D Concentration; Vitamin-d Supplementation; Environmental Determinants; Early-pregnancy; Early-childhood; Risk; Autoantibodies; Young; Children; Association
ISSN (print) / ISBN 1399-543X
e-ISSN 1399-5448
Zeitschrift Pediatric Diabetes
Quellenangaben Band: 20, Heft: 1, Seiten: 86-92 Artikelnummer: , Supplement: ,
Verlag Wiley
Verlagsort 111 River St, Hoboken 07030-5774, Nj Usa
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Diabetes Research Type 1 (IDF)