HDL therapy: two kinds of right?

A J Murphy1, A T Remaley, D Sviridov

  • 1Division of Molecular Medicine, Department of Medicine, Columbia University 630 West 168th Street New York, NY, USA. am3440@columbia.edu

Insights

Raising high-density lipoprotein (HDL) levels may improve cardiovascular disease outcomes. This review explores complex HDL metabolism, therapeutic targets, and challenges in drug development for better patient results.

Area of Science:

  • Cardiovascular medicine
  • Lipid metabolism
  • Pharmacology

Background:

  • Cardiovascular disease is a leading global health concern, often managed by controlling atherogenic lipids like LDL and triglycerides.
  • Increasing high-density lipoprotein (HDL) levels shows promise for improved patient outcomes, despite complex regulatory pathways.
  • Current therapeutic strategies targeting HDL have yielded limited success due to the intricate HDL metabolic pathway.

Purpose of the Study:

  • To review the evidence supporting and opposing current methods for increasing HDL levels.
  • To explore the complexities of HDL metabolism and its therapeutic targeting.
  • To investigate potential strategies for correcting adverse effects associated with HDL-raising drugs.

Main Methods:

  • Literature review of studies on HDL metabolism and therapeutic interventions.
  • Analysis of evidence regarding the efficacy and safety of HDL-raising drugs.
  • Exploration of HDL particle heterogeneity and the role of cellular receptors.

Main Results:

  • The HDL metabolic pathway is highly complex, hindering successful drug development.
  • Controversy exists regarding the most cardio-protective HDL particle and the relevance of mouse models to human HDL receptor function.
  • Current approaches to raising HDL have shown limited success and potential adverse effects.

Conclusions:

  • Further research is needed to fully understand HDL metabolism and identify effective therapeutic targets.
  • Addressing HDL particle heterogeneity and species-specific receptor importance is crucial for developing successful HDL-modulating therapies.
  • Strategies to mitigate adverse effects of HDL-raising drugs require further investigation.

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