Background: Leukocyte telomere length (LTL) is associated with obesity and obesity-related traits, and there are ethnic-specific determinants of LTL.
Objective: To evaluate LTL associations with obesity and metabolic parameters in Asian children with early-onset obesity.
Methods: Genomic DNA was extracted from peripheral blood leukocytes of a cohort of children with (N = 371) and without obesity (N = 23), and LTL was measured using quantitative PCR (qPCR). Blood plasma was used for metabolic phenotyping. Statistical analysis was performed using SPSS and STATA.
Results: Children with obesity had shorter LTL (coefficient = -0.683, P = 1.24 × 10 ) as compared to children who were lean. LTL was found to be associated with waist circumference (coefficient = -0.326, P = 0.044) and skin-fold measures (coefficient between 0.267 and 0.301, P between 4.27 × 10 and 7.06 × 10 ) in children with obesity. However, no significant associations were observed between LTL and metabolic parameters, and between LTL and inflammatory cytokines. LTL also did not significantly mediate the risk of non-alcoholic fatty liver disease (NAFLD) in children with obesity.
Conclusions: We showed for the first time that Asian children with severe obesity had shorter LTL, and the shortening of LTL was associated with other adiposity measures including waist circumference and skin-fold measurements.
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http://dx.doi.org/10.1111/ijpo.12771 | DOI Listing |
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