Cited by 24Fatty Acid Research and HealthLipid metabolism and biosynthesisLipid metabolism and disorders

Concentrations of Plasma Free Palmitoleic and Dihomo-Gamma Linoleic Fatty Acids Are Higher in Children with Abdominal Obesity

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Aristizabal, Juan, González-Zapata, Laura, Estrada-Restrepo, Alejandro, Monsalve-Alvarez, Julia, Restrepo-Mesa, Sandra, Gaitán, Diego·2018·Nutrients

Abstract

Increased plasma free fatty acids (FFAs) are associated with cardiometabolic risk factors in adults with abdominal obesity (AO). However, this association remains controversial in children. This study analyzed plasma FFA concentration in children with and without AO. Twenty-nine children classified with AO were matched by age and sex with 29 non-obese individuals. Blood samples were collected after fasting for 10–12 h. Plasma concentration of glucose, insulin, triglycerides, total cholesterol, low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C) were determined by automatized methods. FFAs were analyzed by gas chromatography. Children with and without AO had similar age (7.1 ± 2.6 vs. 7.2 ± 2.7 years; p > 0.05) but obese children showed higher (p < 0.05) body mass index (BMI) (+4.3 kg/m2), systolic blood pressure (+5.1 mmHg), and insulin (+27.8 pmol/L). There were no significant differences in plasma total FFA concentration between groups (1.02 ± 0.61 vs. 0.89 ± 0.37 mmol/L; p > 0.05). However, children with AO had higher palmitoleic acid (0.94 vs. 0.70 wt %; p < 0.05) and dihomo-gamma linoleic acid (DHGL) (2.76 vs. 2.07 wt %; p < 0.05). Palmitoleic and DHGL acids correlated (p < 0.05) with BMI (r = 0.397; r = 0.296, respectively) and with waist circumference (r = 0.380; r = 0.276, respectively). Palmitoleic acid correlated positively with systolic blood pressure (r = 0.386; p < 0.05) and negatively with HDL-C (−0.572; p < 0.01). In summary, children with AO have higher plasmatic concentrations of free palmitoleic and DHGL fatty acids, which correlate with cardiometabolic risk factors.

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  • In obesity and metabolic syndrome, the concentration of FFAs in fasting blood plasma reaches 0.6-1.0 mM.

    “In obesity and metabolic syndrome, the concentration of FFAs in fasting blood plasma reaches 0.6–1.0 mM [139,140].”

    From The HepG2 Cell Line as a Model for Studying Metabolic Dysfunction-Associated Steatotic Liver Disease (2026) · cites this paper as [139]

    The Abstract reports fasting plasma total FFA concentrations of 1.02 ± 0.61 mmol/L in children with abdominal obesity, close to the claimed range. The Discussion cites a broader literature range of 0.332–1.02 mmol/L, but the paper does not establish 0.6–1.0 mM as a range specifically for obesity and metabolic syndrome; it also found no significant difference in total FFAs between the obese and non-obese children. (LLM, conf=0.87)

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Authors
Aristizabal, J., González-Zapata, L., Estrada-Restrepo, A., Monsalve-Alvarez, J., Restrepo-Mesa, S., & Gaitán, D.
Affiliations
  • Grupo de Investigación en Fisiología y Bioquímica (PHYSIS), Universidad de Antioquia, Medellín 050010, Colombia
  • Escuela de Nutrición y Dietética, Universidad de Antioquia, Medellín 050025, Colombia
  • Grupo de Investigación Alimentación y Nutrición Humana, Universidad de Antioquia, Medellín 050010, Colombia
  • Universidad de Antioquia (CO)
Venue
Nutrients
Publisher
MDPI AG
Published
2018-01-01
Volume
10
Issue
1
Pages
31
ISSN
2072-6643 (ISSN-L)
OpenAlex
W2782494421
Cited by
24
References
54
Citations by year
2026: 2 · 2025: 4 · 2024: 1 · 2023: 3 · 2021: 2 · 2020: 4 · 2019: 5 · 2018: 3
FWCI
2.90
Type
journal article
Language
en
Open access
Locations
  • Nutrients (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Institutional Repository University of Antioquia (University of Antioquia) (submittedVersion, cc-by)
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
Keywords
abdominal obesity, children, free fatty acids, palmitoleic acid, dihomo-gamma-linolenic acid, plasma fatty acid composition, cardiometabolic risk, waist circumference, systolic blood pressure, HDL cholesterol, insulin
MeSH terms
Age Factors, Blood Pressure, Cardiovascular Diseases, Child, Child, Preschool, Cross-Sectional Studies, Fatty Acids, Monounsaturated, Female, Humans, Linoleic Acids, Male, Risk Factors, South America, Biomarkers, Up-Regulation, Body Mass Index, Case-Control Studies, Metabolic Syndrome, Fatty Acid Desaturases, Waist Circumference, Obesity, Abdominal, Pediatric Obesity

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