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Metabolic, hormonal, oxidative, and inflammatory factors in pediatric obesity-related liver disease

Claudia Mandato1, Stefania Lucariello, Maria Rosario Licenziati

  • 1Department of Pediatrics, European Laboratory for the Investigation of Food-Induced Diseases, University of Naples, Naples, Italy.

The Journal of Pediatrics
|July 20, 2005
PubMed

Insights

Pediatric obesity-related liver disease involves insulin resistance, oxidative stress, and inflammation. These factors are key to understanding and treating liver issues in obese children.

Area of Science:

  • Pediatric Endocrinology
  • Hepatology
  • Metabolic Disorders

Background:

  • Pediatric obesity is a growing health concern.
  • Obesity is linked to various comorbidities, including liver disease.
  • Non-alcoholic fatty liver disease (NAFLD) is a common manifestation in obese children.

Purpose of the Study:

  • To investigate metabolic, hormonal, oxidative, and inflammatory factors in pediatric obesity-related liver disease.
  • To differentiate these factors between obese children with and without liver abnormalities.

Main Methods:

  • Study included 50 obese children (ages 7-14).
  • Participants were divided into two groups: with (n=20) and without (n=30) hypertransaminasemia and ultrasonographic liver brightness.
  • Assessed insulin resistance (fasting glucose/insulin ratio [FGIR]), leptin, iron, transferrin, ferritin, C-reactive protein (CRP), white blood cell (WBC) count, tumor necrosis factor (TNF)-alpha, interleukin (IL)-6, C282Y and H63D mutations, and erythrocytic glutathione peroxidase (GPX) activity.

Main Results:

  • Group 1 (with liver issues) showed significantly higher FGIR, serum ferritin, CRP, and GPX activity compared to Group 2.
  • FGIR, ferritin, and CRP were simultaneously abnormal in 41% of Group 1 patients.
  • No significant differences were found in leptin, iron, transferrin, WBC, TNF-alpha, IL-6, or iron mutation status between the groups.

Conclusions:

  • Insulin resistance, oxidative stress, and low-grade systemic inflammation are implicated in pediatric obesity-related liver disease.
  • These pathophysiological mechanisms offer targets for therapeutic interventions.
  • Findings support the development of targeted trials for hepatopathic obese children.
Abstract

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