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. 2024 Mar;32(3):571-582.
doi: 10.1002/oby.23964. Epub 2023 Dec 19.

Childhood overweight and obesity: age stratification contributes to the differences in metabolic characteristics

Jinxia Wu  1 , Zhenchang Li  1 , Hongwei Zhu  2 , Yajie Chang  1 , Quanquan Li  1 , Jing Chen  3 , Guiping Shen  1 , Jianghua Feng  1
Affiliations

Childhood overweight and obesity: age stratification contributes to the differences in metabolic characteristics

Jinxia Wu et al. Obesity (Silver Spring). 2024 Mar.

Abstract

Objective: The aim of this study was to identify the differential metabolic characteristics of children with overweight and obesity and understand their potential mechanism in different age stratifications.

Methods: Four hundred seventy-three children were recruited and divided into two age stratifications: >4 years (older children) and ≤4 years (younger children), and overweight and obesity were defined according to their BMI percentile. A one dimensional proton nuclear magnetic resonance (1 H-NMR)-based metabolomics strategy combined with pattern recognition methods was used to identify the metabolic characteristics of childhood overweight and obesity.

Results: Four and sixteen potential biomarkers related to overweight and two and twenty potential biomarkers related to obesity were identified from younger and older children, respectively. Fluctuations in phenylalanine, tyrosine, glutamine, leucine, histidine, and ascorbate co-occurred in children with obesity at two age stratifications. The disturbances in biosynthesis and metabolism of amino acids, lipid metabolism, and galactose metabolism disturbance were mainly involved in children with overweight and obesity.

Conclusions: The metabolic disturbances show a significant progression from overweight to obesity in children, and different metabolic characteristics were demonstrated in age stratifications. The changes in the levels of phenylalanine, tyrosine, glutamine, leucine, histidine, and ascorbate were tracked with the persistence of childhood obesity. These findings will promote the mechanistic understanding of childhood overweight and obesity.

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References

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