Acute phase markers in obese children and adolescents with metabolic disorders

Arch Argent Pediatr. 2018 Aug 1;116(4):275-282. doi: 10.5546/aap.2018.eng.275.
[Article in English, Spanish]

Abstract

Introduction: Obesity is a worldwide public health problem and the most common non-communicable chronic disease. It is associated with an increase in inflammatory acute phase proteins and proinflammatory cytokines.

Objective: To assess the levels of acute phase proteins in obese children and adolescents with hepatic steatosis and metabolic syndrome. Methodology. Forty-five children with a body mass index ≥ 95th percentile aged 5.0-15.5 years were included. The following acute phase reactants were determined: C-reactive protein, haptoglobin, alpha-2-macroglobulin, and apolipoprotein A-1; besides, an ultrasound was done to assess hepatic steatosis.

Results: C-reactive protein levels increased in all patients. Patients with metabolic syndrome also had high levels of apolipoprotein A-1 and haptoglobin. Patients with hepatic steatosis had a significant increase in alpha-2-macroglobulin in addition to high C-reactive protein.

Introducción. La obesidad es un problema de salud pública mundial y la enfermedad crónica no transmisible más frecuente. Se asocia con la elevación de proteínas inflamatorias de fase aguda y citocinas proinflamatorias. Objetivo. Evaluar los niveles de proteínas de fase aguda en niños y adolescentes obesos con esteatosis hepática y síndrome agudo metabólico. Metodología. Se incluyeron 45 niños con índice de masa corporal ≥ percentil 95, de edades entre 5,0 y 15,5 años. Se determinaron reactantes de fase aguda: proteína C reactiva, haptoglobina, alpha-2 macroglobulina y apolipoproteína A-1, y se realizó una ecografía para evaluar la esteatosis hepática. Resultados. Todos los pacientes mostraron una elevación de proteína C reactiva. Los pacientes con síndrome metabólico también tuvieron un incremento en la apolipoproteína A-1 y la haptoglobina. Los pacientes con esteatosis hepática tuvieron un aumento significativo en la alpha-2 macroglobulina además de la protenína C reactiva.

Keywords: C-reactive protein; alpha-2-macroglobulins; apolipoprotein A-1; haptoglobins; obesity.

MeSH terms

  • Adolescent
  • Apolipoprotein A-I / metabolism
  • Biomarkers / metabolism
  • Body Mass Index
  • C-Reactive Protein / metabolism
  • Child
  • Child, Preschool
  • Cytokines / metabolism
  • Fatty Liver / epidemiology*
  • Fatty Liver / physiopathology
  • Female
  • Haptoglobins / metabolism
  • Humans
  • Inflammation Mediators / metabolism*
  • Longitudinal Studies
  • Male
  • Metabolic Syndrome / epidemiology*
  • Metabolic Syndrome / physiopathology
  • Pediatric Obesity / epidemiology*
  • Pediatric Obesity / physiopathology
  • Prospective Studies
  • alpha-Macroglobulins / metabolism

Substances

  • A2M protein, human
  • Apolipoprotein A-I
  • Biomarkers
  • Cytokines
  • Haptoglobins
  • Inflammation Mediators
  • alpha-Macroglobulins
  • C-Reactive Protein