Atherosclerosis

Area of Science:

• Cardiovascular Science
• Pathology
• Molecular Biology

Background:

• Atherosclerosis is a leading cause of death globally, responsible for approximately 50% of all deaths in westernized societies.
• It is a complex disease with numerous environmental and genetic risk factors, making its cellular and molecular mechanisms challenging to define.
• Historically viewed as a degenerative process of aging, recent research reframes atherosclerosis as a chronic inflammatory condition.

Purpose of the Study:

• To elucidate the molecular mechanisms underlying atherosclerosis.
• To understand the connection between altered cholesterol metabolism, other risk factors, and atherosclerotic plaque formation.
• To differentiate atherosclerosis from a simple consequence of aging and characterize it as an inflammatory disease.

Main Methods:

• Utilized genetically modified mouse models to study disease development.
• Applied new investigative tools to analyze cellular and molecular interactions.
• Integrated findings from epidemiological studies on risk factors.

Main Results:

• Identified key molecular mechanisms linking cholesterol metabolism and risk factors to atherosclerotic plaque.
• Demonstrated that atherosclerosis is a chronic inflammatory condition, not solely a degenerative aging process.
• Established that plaque rupture and thrombosis can precipitate acute clinical events.

Conclusions:

• Atherosclerosis is a complex inflammatory disease driven by interconnected risk factors and metabolic alterations.
• Advanced investigative tools, particularly mouse models, have significantly improved understanding of atherosclerotic plaque development.
• Atherosclerosis requires a paradigm shift from a degenerative view to one recognizing its inflammatory and potentially acute nature.