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Koczwara, K.* ; Bonifacio, E.* ; Ziegler, A.-G.*

Transmission of maternal islet antibodies and risk of autoimmune diabetes in offspring of mothers with type 1 diabetes.

Diabetes 53, 1-4 (2004)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
It is suggested that the maternal transmission of islet autoantibodies increases the risk of autoimmune diabetes in mice. The aim of this study was to determine whether fetal exposure to islet autoantibodies modified the risk of type 1 diabetes in humans. Islet autoantibodies were measured at birth in 720 offspring of mothers with type 1 diabetes. Offspring were prospectively followed for the development of multiple islet autoantibodies and diabetes. Offspring who were GAD or IA-2 autoantibody positive at birth (n = 678) had significantly lower risks for developing multiple islet autoantibodies (5-year risk 1.3%) and diabetes (8-year risk 1.1%) than offspring who were islet autoantibody negative at birth (5.3%, P = 0.008; and 3%, P = 0.04, respectively). Risk remained reduced after adjustment for birth weight, gestational age, or maternal diabetes duration (adjusted hazards ratio 0.25, P = 0.007 for multiple islet autoantibodies; 0.25, P = 0.04 for diabetes). Protection in offspring with islet autoantibodies at birth was most striking in offspring without the HLA DRB1*03/DRB1*04-DQB1*0302 genotype. Maternal transmission of antibodies to exogenous insulin did not affect diabetes risk in offspring. These findings suggest that fetal exposure to islet autoantibodies in children born to mothers with type 1 diabetes may be protective against future islet autoimmunity and diabetes.
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Publication type Article: Journal article
Document type Scientific Article
Language english
Publication Year 2004
HGF-reported in Year 0
ISSN (print) / ISBN 0012-1797
e-ISSN 1939-327X
Journal Diabetes
Quellenangaben Volume: 53, Issue: 1, Pages: 1-4 Article Number: , Supplement: ,
Publisher American Diabetes Association
Publishing Place Alexandria, VA.
Reviewing status Peer reviewed
Institute(s) Institute of Diabetes and Obesity (IDO)
Institute of Diabetes Research (IDF)
Institute of Pancreatic Islet Research (IPI)
POF-Topic(s) 30502 - Diabetes: Pathophysiology, Prevention and Therapy
Research field(s) Helmholtz Diabetes Center
PSP Element(s) G-502290-001
PubMed ID 14693690
Erfassungsdatum 2004-01-00