Infection and early atherosclerosis: does the evidence support causation?

Area of Science:

• Cardiovascular Science
• Infectious Disease
• Pathogenesis Research

Background:

• Atherosclerotic coronary heart disease (CHD) begins in childhood, necessitating early intervention strategies.
• Identifying early pathogenesis and risk factors for CHD is crucial for cardiovascular healthcare.
• Emerging evidence suggests infectious pathogens play a role in atherosclerosis development.

Purpose of the Study:

• To explore the role of infectious pathogens in the pathogenesis of early atherosclerosis.
• To understand how infections interact with conventional risk factors and genetic profiles in atherosclerosis development.

Main Methods:

• Review of human studies and animal experiments investigating the link between infection and atherosclerosis.
• Analysis of potential mechanisms, including inflammatory, metabolic, autoimmune, and pathogen-specific pathways.

Main Results:

• Infectious pathogens are increasingly implicated in the development of atherosclerosis.
• Vulnerability of the arterial wall to infection is heightened by co-existing risk factors and genetic predispositions.
• The precise synergistic mechanisms between infection and cardiovascular risk factors remain under investigation.

Conclusions:

• Vascular endothelial injury, triggered by infection via multiple mechanisms, is a potential central link to early atherosclerosis.
• Understanding these infection-related pathways is vital for preventing childhood-onset cardiovascular disease.