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Atherosclerosis as an autoimmune condition

R Kleindienst1, G Schett, A Amberger

  • 1Institute for Biomedical Aging Research, Austrian Academy of Sciences, Innsbruck, Austria.

Israel Journal of Medical Sciences
|October 1, 1995
PubMed
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Atherosclerosis may be triggered by an autoimmune response to heat shock protein 60 (hsp 60). This immune reaction to hsp 60 in endothelial cells drives early inflammatory arteriosclerotic changes.

Area of Science:

  • Immunology
  • Vascular Biology
  • Pathogenesis of Atherosclerosis

Background:

  • Atherosclerosis, a leading cause of mortality, was historically linked to lipids.
  • Emerging evidence suggests immune system involvement in atherogenesis.
  • Inflammatory components, including immune cells and antibodies, appear early in vascular intima.

Purpose of the Study:

  • Investigate the role of heat shock protein 60 (hsp 60) in atherosclerosis.
  • Explore the potential autoimmune induction of arteriosclerotic changes.
  • Examine hsp 60 immune reactivity in human atherosclerosis pathogenesis.

Main Methods:

  • Established a rabbit model by immunizing with hsp 60/65, inducing arteriosclerotic changes.
  • Investigated human atherosclerosis pathogenesis concerning hsp 60 immune reactivity.

Related Experiment Videos

  • Analyzed cellular and humoral immune responses to stress-induced hsp 60.

    • Main Results:

    • Immunization with hsp 60/65 caused arteriosclerotic changes in rabbit aortas.
    • Data suggest an autoimmune mechanism in early inflammatory arteriosclerotic changes.
    • Immune reactions target stress-induced hsp 60 in endothelial cells.

    Conclusions:

    • Autoimmune responses to hsp 60 are implicated in early atherosclerosis.
    • Hsp 60 may serve as a key antigen in the autoimmune induction of vascular inflammation.
    • Understanding this pathway offers new insights into atherosclerosis development.