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Antigenic Liposomes for Generation of Disease-specific Antibodies
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Published on: October 25, 2018

HDL Are Host Defense Lipoproteins.

Arnold von Eckardstein1, Jérôme Robert1

  • 1Institute for Clinical Chemistry, University of Zurich and University Hospital Zurich, Switzerland.

Circulation Research
|June 4, 2026
PubMed
Summary

High-density lipoproteins (HDL) play a crucial role in host defense by modulating inflammation. HDL particles can prevent inflammation triggers and repair tissue damage, making them key targets for managing inflammatory diseases.

Keywords:
apolipoproteinsapoptosisinfectionsinflammationlipoproteins, HDLmetabolismsignal transduction

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Area of Science:

  • Biochemistry
  • Immunology
  • Cardiovascular Science

Background:

  • High-density lipoproteins (HDL) are complex particles with diverse proteins and lipids, contributing to their multifunctionality.
  • Plasma levels of HDL cholesterol (HDL-C) and apolipoprotein AI (apo AI), along with HDL particle measures, are linked to various clinical conditions like cardiovascular disease, diabetes, and infections.
  • Inflammation is a common pathogenic process underlying these clinical conditions.

Purpose of the Study:

  • To elucidate the multifaceted roles of HDL particles in the inflammatory process.
  • To explore how HDL components interact with and modulate inflammatory pathways.
  • To investigate the potential of HDL as a therapeutic target for inflammatory diseases.

Main Methods:

  • Review of existing literature on HDL composition and function in inflammation.
  • Analysis of studies correlating HDL measures with clinical outcomes in inflammatory diseases.
  • Examination of the mechanisms by which HDL interferes with inflammatory cascades.

Main Results:

  • HDL particles prevent inflammation by eliminating triggers like infectious agents and oxidized lipids.
  • HDL modulates both innate and acquired immune system components.
  • HDL aids in limiting tissue damage and restoring homeostasis during inflammation.
  • Inflammatory conditions can alter HDL composition, potentially affecting its beneficial or adverse properties.

Conclusions:

  • HDL particles are integral components of the host defense system.
  • HDL's ability to interfere with inflammation makes it a promising therapeutic target for managing inflammatory diseases, extending beyond atherosclerosis.
  • Understanding HDL's dynamic interaction with inflammation is crucial for developing novel treatment strategies.