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Improved fatty acid profile reduces body fat and arterial stiffness in obese adolescents upon combinatorial intervention with exercise and dietary restriction

Authors
  • Xu, Lei1
  • Zou, Xiaoyu1
  • Gao, Zhiqiang1
  • Mao, Caifeng1
  • Su, Hang1
  • Li, Chunyan2
  • Chen, Ning2
  • 1 Graduate School, Wuhan Sports University, Wuhan, 430079, China
  • 2 Tianjiu Research and Development Center for Exercise Nutrition and Foods, Hubei Key Laboratory of Exercise Training and Monitoring, College of Health Science, Wuhan Sports University, Wuhan, 430079, China
Type
Published Article
Journal
Journal of Exercise Science and Fitness
Publisher
The Society of Chinese Scholars on Exercise Physiology and Fitness
Publication Date
Aug 28, 2021
Volume
19
Issue
4
Pages
234–240
Identifiers
DOI: 10.1016/j.jesf.2021.08.003
PMID: 34552635
PMCID: PMC8429968
Source
PubMed Central
Keywords
Disciplines
  • Original Article
License
Unknown

Abstract

Objective In order to examine the effect of 4-week combinatorial intervention with exercise training and dietary restriction on serum fatty acids, and to explore the correlation of intervention-induced improvement of serum fatty acid profile with the reduction of body fat and arterial stiffness. Methods Thirty-three obese adolescents were randomized into the intervention (n = 19) and control (n = 14) groups. The participants from the intervention group were subjected to 4-week combinatorial intervention with exercise training and dietary restriction while the participants from the control group maintained regular activities and diet habits. Anthropometry, serum fatty acids and arterial stiffness were measured before and after 4-week intervention. Results The participants upon combinatorial intervention revealed the improved body compositions and serum fatty acid profile, and reduced arterial stiffness when compared with their basal levels and the control participants ( p < 0.05). Moreover, the decrease in myristic acid, stearic acid, arachidic acid, behenic acid, palmitoleic acid, and dihomo-γ-linolenic acid, was associated with the reduction in body fat. A positive correlation between arachidonic acid and left brachial ankle pulse velocity was observed, and the increase in docosahexaenoic acid was associated with the reduction of left brachial ankle pulse wave velocity and the enhancement of right ankle brachial index. Conclusion The 4-week combinatorial intervention is a useful strategy to improve serum fatty acid profile along with the reduction of body fat and arterial stiffness in obese adolescents.

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