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A Familial Hypercholesterolemia Human Liver Chimeric Mouse Model Using Induced Pluripotent Stem Cell-derived Hepatocytes
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Children with familial hypercholesterolemia are characterized by an inflammatory imbalance between the tumor necrosis

Ingunn Narverud1, Thor Ueland, Marit S Nenseter

  • 1Department of Nutrition, Institute for Basic Medical Sciences, University of Oslo, Blindern, 0316 Oslo, Norway.

Atherosclerosis
|November 3, 2010
PubMed

Insights

Children with familial hypercholesterolemia (FH) show an inflammatory imbalance, with higher tumor necrosis factor (TNF)α and lower interleukin-10 levels, suggesting a role in early atherosclerosis development.

Area of Science:

  • Biochemistry
  • Immunology
  • Cardiovascular Medicine

Background:

  • Familial hypercholesterolemia (FH) significantly elevates the risk of premature atherosclerosis.
  • Inflammation is increasingly recognized as a critical factor in the development of atherosclerosis.
  • Tumor necrosis factor (TNF)α is a key inflammatory cytokine implicated in multiple stages of atherogenesis.

Purpose of the Study:

  • To investigate serum levels of inflammation markers in children with FH.
  • To compare inflammation markers in FH children versus healthy controls.
  • To explore the potential role of inflammation in early atherosclerosis in FH.

Main Methods:

  • Serum levels of TNFα, soluble TNF receptors (sTNFR) 1 and 2, and interleukin (IL)-10 were measured.
  • Participants included healthy children (7-20 years) with (n=102) and without (n=48) FH.
  • Adult FH subjects (n=20) and healthy adult controls (n=16) were also included for comparison.

Main Results:

  • FH children exhibited higher serum TNFα levels and lower sTNFR levels, indicating increased TNFα activity.
  • FH children showed decreased IL-10 levels, leading to an elevated TNFα/IL-10 ratio.
  • No significant differences in these inflammatory markers were observed between adult FH subjects and controls.

Conclusions:

  • Children with FH demonstrate an inflammatory imbalance characterized by altered TNFα and IL-10 levels.
  • This inflammatory dysregulation may contribute to the accelerated atherosclerotic process observed in FH.
  • The findings highlight potential therapeutic targets for mitigating atherosclerosis in pediatric FH.
Abstract

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