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Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice
Published on: September 26, 2018
Pathogenesis of atherosclerosis
1Joseph's Hospital, 50 Charlton Ave. East, Hamilton, Ontario, Canada L8N 4A6. crowthrm@mcmaster.ca
Abstract:
Atherosclerosis is no longer considered a disorder due to abnormalities in lipid metabolism. In fact, the inciting event of atherosclerosis is likely an inflammatory insult that occurs decades before the disease becomes clinically apparent. Rapidly evolving knowledge of the pathogenesis of atherosclerosis, coupled with novel, target-specific therapies, is revolutionizing the treatment of atherosclerosis. As a result, a variety of treatments are now undergoing evaluation for their ability to ameliorate the inflammatory pathways likely to cause the atherosclerotic process to initiate and propagate. Once initiated, atherosclerosis progresses as a result of a well-studied series of changes in the constituent cellular make-up of the vessel wall. Specific cytokine-mediated events in this cycle are required for lesional growth. The clinical manifestations of atherosclerosis occur so late in this process that interventions such as percutaneous coronary interventions can deal with isolated areas of disease; however, they do not influence the underlying disease process.
Insights
Atherosclerosis is now understood to be driven by inflammation, not just lipid issues. New therapies targeting these inflammatory pathways offer revolutionary treatment options for this complex vascular disease.
Area of Science:
- Cardiovascular Science
- Inflammation Biology
- Vascular Medicine
Background:
- Atherosclerosis pathogenesis is shifting from a lipid metabolism disorder to an inflammatory insult.
- The inciting inflammatory event precedes clinical manifestation by decades.
- Understanding the cellular and cytokine-mediated changes in the vessel wall is crucial.
Purpose of the Study:
- To highlight the evolving understanding of atherosclerosis pathogenesis.
- To emphasize the development of novel, target-specific therapies.
- To discuss the role of inflammation in initiating and propagating atherosclerosis.
Main Methods:
- Review of current scientific literature on atherosclerosis.
- Analysis of inflammatory pathways involved in disease progression.
- Evaluation of emerging therapeutic strategies targeting inflammation.
Main Results:
- Inflammation is identified as the primary initiator of atherosclerosis.
- Cytokine-mediated events are essential for atherosclerotic lesion growth.
- Current interventions address symptoms but not the underlying inflammatory process.
Conclusions:
- Atherosclerosis is fundamentally an inflammatory disease.
- Novel anti-inflammatory therapies are revolutionizing treatment approaches.
- Targeting inflammatory pathways offers a promising strategy for managing atherosclerosis.
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