Weight Gain in Early Life Predicts Risk of Islet Autoimmuity in Children With a First-Degree Relative With Type 1 Diabetes

被引:69
作者
Couper, Jennifer J. [1 ]
Beresford, Sarah [1 ]
Hirte, Craig [2 ]
Baghurst, Peter A. [2 ]
Pollard, Angie [3 ]
Tait, Brian D. [4 ]
Harrison, Leonard C. [5 ]
Colman, Peter G. [6 ,7 ]
机构
[1] Univ Adelaide, Womens & Childrens Hosp & Discipline Paediat, Dept Endocrinol & Diabet, Adelaide, SA, Australia
[2] Womens & Childrens Hosp, Publ Hlth Res Unit, Adelaide, SA, Australia
[3] Univ Adelaide, Discipline Paediat, Adelaide, SA, Australia
[4] Royal Melbourne Hosp, Melbourne, Vic, Australia
[5] Walter & Eliza Hall Inst Med Res, Autoimmun & Tranplantat Div, Melbourne, Vic 3050, Australia
[6] Royal Melbourne Hosp, Dept Endocrinol & Diabet, Melbourne, Vic, Australia
[7] Royal Melbourne Hosp, Dept Pathol, Melbourne, Vic, Australia
关键词
ACCELERATOR HYPOTHESIS; YOUNG-CHILDREN; AGE; CHILDHOOD; INSULIN; ONSET;
D O I
10.2337/dc08-0821
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
OBJECTIVE - In a prospective hirth cohort study, we followed infants who had a first-degree relative with type 1 diabetes to investigate the relationship between early growth and infant feeding and the risk of islet autoimmunity. RESEARCH DESIGN AND METHODS - Infants with a first-degree relative with type 1 diabetes were identified during their mother's pregnancy. Dietary intake was recorded prospectively to determine duration of breast-feeding and age at introduction of cow's milk protein, cereals, meat, fruit, and vegetables. At 6-month reviews, length (or height) and weight antibodies to insulin, GAD65, the tyrosine phosphatase-like insulinoma antigen, and tissue transglutaminase were measured. Islet autoimmunity was defined as persistent elevation of one or more islet antibodies at consecutive 6-month intervals, including the most recent measure, and was the primary outcome measure. RESULTS - Follow-up of 548 subjects for 5.7 +/- 3.2 years identified 46 children with islet autoimmunity. Weight 17 score and BMI z score were continuous predictors of risk of islet autoimmunity adjusted hazard ratios 1.43 [95% CI 1.10-1.84], P = 0.007, and 1.29 [ 1.01-1.67], P=0.04, respectively). The risk of islet autoimmunity was greater in subjects with weight z score >0 than in those with weight z score <= 0 over time (2.61 [1.26-5.44], P = 0.01). Weight z score and BMI z score at 2 years and change in weight z score between birth and 2 years, but not dietary intake, also predicted risk of islet autoimmunity. CONCLUSIONS - Weight gain in early life predicts risk of islet autoimmunity in children with a First-degree relative With type 1 diabetes.
引用
收藏
页码:94 / 99
页数:6
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