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Published on: October 12, 2017

Hyperhomocysteinemia and its role in the development of atherosclerosis

A B Lawrence de Koning1, Geoff H Werstuck, Ji Zhou

  • 1Department of Pathology and Molecular Medicine, McMaster University and the Henderson Research Centre, Hamilton, Ontario, Canada.

Clinical Biochemistry
|September 3, 2003
PubMed

Insights

High homocysteine levels (HHcy) are a major risk factor for cardiovascular disease. Animal models confirm HHcy causes endothelial dysfunction and atherosclerosis, aiding research into treatments.

Area of Science:

  • Cardiovascular Science
  • Metabolic Disease Research
  • Vascular Biology

Background:

  • Hyperhomocysteinemia (HHcy) is a recognized risk factor for cardiovascular disease.
  • HHcy arises from impaired homocysteine metabolism due to enzyme or vitamin cofactor deficiencies.
  • Proposed mechanisms linking HHcy to cardiovascular disease include oxidative stress, ER stress, and inflammation.

Purpose of the Study:

  • To investigate the causal relationship between HHcy and cardiovascular pathology.
  • To utilize animal models for understanding HHcy's cellular mechanisms in cardiovascular disease.
  • To identify potential therapeutic targets for HHcy-related cardiovascular conditions.

Main Methods:

  • Employing genetic and diet-induced animal models to establish HHcy.
  • Assessing endothelial dysfunction in HHcy models.
  • Evaluating the progression of atherosclerosis in HHcy models.

Main Results:

  • Demonstrated a direct causal link between HHcy and endothelial dysfunction.
  • Confirmed HHcy's role in accelerating atherosclerosis development.
  • Validated animal models as effective tools for studying HHcy's cardiovascular impact.

Conclusions:

  • HHcy is a direct cause of endothelial dysfunction and atherosclerosis.
  • Animal models are crucial for elucidating HHcy's pathogenic mechanisms.
  • These models offer a platform for developing novel cardiovascular disease therapies.

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