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Genetic causes of high and low serum HDL-cholesterol

Daphna Weissglas-Volkov1, Päivi Pajukanta

  • 1Department of Human Genetics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.

Journal of Lipid Research
|April 28, 2010
PubMed

Insights

Genetic factors significantly influence high-density lipoprotein cholesterol (HDL-C) levels, impacting coronary artery disease (CAD) risk. Further research is crucial to understand these genetic links for improved prevention and treatment.

Area of Science:

  • Genetics
  • Cardiovascular Disease
  • Metabolic Disorders

Background:

  • Plasma high-density lipoprotein cholesterol (HDL-C) levels are substantially heritable (40-60%).
  • An inverse relationship exists between HDL-C and coronary artery disease (CAD) risk.
  • Previous research utilized candidate gene, linkage, and genome-wide association (GWA) studies to identify HDL-C genetic factors.

Purpose of the Study:

  • To review current knowledge on HDL metabolism and genetic factors influencing HDL-C.
  • To focus on recent GWA study findings for HDL-C.
  • To outline future strategies for identifying remaining HDL-C heritability and its relation to CAD.

Main Methods:

  • Review of existing literature on HDL metabolism and genetics.
  • Summary of findings from candidate gene studies.
  • Focus on recent genome-wide association (GWA) studies.

Main Results:

  • Several genetic variations influencing HDL-C levels have been identified through various genetic study approaches.
  • The functional significance of many identified HDL-C variants is yet to be determined.
  • A significant portion of HDL-C heritability remains unexplained.

Conclusions:

  • Understanding the genetic basis of HDL-C is critical for CAD risk assessment.
  • Integrative approaches are needed to uncover novel pathways related to HDL-C and CAD.
  • Elucidating genetic factors can lead to improved diagnosis, treatment, and prevention strategies for cardiovascular diseases.

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