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Phenotypic variability in familial hypercholesterolaemia: an update

Angelique C M Jansen1, Sanne van Wissen, Joep C Defesche

  • 1Department of Vascular Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.

Current Opinion in Lipidology
|March 14, 2002
PubMed

Insights

Familial hypercholesterolemia, a common inherited disorder, causes high LDL-cholesterol and early heart disease. This review explores factors influencing disease severity beyond the main genetic defect.

Area of Science:

  • Genetics
  • Cardiology
  • Metabolic Disorders

Background:

  • Familial hypercholesterolemia (FH) is a prevalent autosomal dominant genetic disorder.
  • It is characterized by extremely high low-density lipoprotein cholesterol (LDL-C) levels.
  • FH significantly increases the risk of premature atherosclerotic cardiovascular disease.

Purpose of the Study:

  • To review recent advancements in understanding FH.
  • To explore factors contributing to clinical variability in FH patients.
  • To discuss the interplay between genetic defects and other risk factors.

Main Methods:

  • Literature review of recent studies on FH.
  • Analysis of genetic, environmental, and metabolic factors.
  • Synthesis of current knowledge on FH phenotype modification.

Main Results:

  • FH is caused by monogenic defects, primarily in the LDL receptor pathway.
  • Significant phenotypic heterogeneity exists among FH patients.
  • Environmental, metabolic, and other genetic factors modulate disease onset and severity.

Conclusions:

  • Understanding FH requires considering factors beyond the primary genetic defect.
  • Further research into modifying factors can improve FH management.
  • Personalized risk assessment is crucial for FH patients.

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