Authors
Xiaoling Wang, Yue Pan, Haidong Zhu, Guang Hao, Yisong Huang, Vernon Barnes, Huidong Shi, Harold Snieder, James Pankow, Kari North, Megan Grove, Weihua Guan, Ellen Demerath, Yanbin Dong, Shaoyong Su
Publication date
2018/12
Journal
Clinical epigenetics
Volume
10
Pages
1-9
Publisher
BioMed Central
Description
Background
We conducted an epigenome-wide association study (EWAS) on obesity in healthy youth and young adults and further examined to what extent identified signals influenced gene expression and were independent of cell type composition and obesity-related cardio-metabolic risk factors. Genome-wide DNA methylation data from leukocytes were obtained from 700 African Americans aged 14–36. We also measured genome-wide DNA methylation data from neutrophils as well as genome-wide gene expression data from leukocytes in a subset of samples (n = 188).
Results
The EWAS identified 76 obesity-related CpG sites in leukocytes with p < 1 × 10−7. In silico replication in the ARIC study of 2097 African Americans aged 47–70 validated 54 CpG sites. Out of the 54 CpG sites, 29 associations with obesity were novel and 37 were …
Scholar articles
X Wang, Y Pan, H Zhu, G Hao, Y Huang, V Barnes… - Clinical epigenetics, 2018