Childhood obesity leads to adult type 2 diabetes and coronary artery diseases: A 2-sample mendelian randomization study
Abstract
Observational studies have reported that childhood obesity is positively associated with risks of type 2 diabetes (T2D) and coronary artery disease (CAD) in adults; however, whether this association is causal is still unclear. In the present study, we conducted the 2-sample Mendelian randomization (MR) studies to investigate whether childhood obesity is causally associated with T2D and CAD in adults.Seven single-nucleotide polymorphisms (SNPs) that significantly associated with childhood obesity were used as instrumental variables. The 2-sample MR analyses were performed with the summary-level data of large-sample genome-wide association studies to evaluate the causal effects of childhood obesity on adult T2D and CAD and the levels of cardiometabolic traits.The 2-sample MR analyses suggested that each 1-unit increase in the log-odds of having childhood obesity was causally associated with an increased risk of adult T2D (odds ratio [OR] = 1.16, 95% confidential interval [CI] = 1.06-1.28; P = 1.0 × 10) and CAD (OR = 1.07, 95% CI = 1.02-1.12; P = 4.0 × 10) based on the inverse-variance weighted method. The MR analyses also suggested that childhood obesity was positively associated with the levels of adult body mass index, waist ci...Continue Reading
References
Lipids, apolipoproteins, and their ratios in relation to cardiovascular events with statin treatment
Genetic variation in GIPR influences the glucose and insulin responses to an oral glucose challenge.
New genetic loci implicated in fasting glucose homeostasis and their impact on type 2 diabetes risk.
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