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Chlamydia pneumoniae--an infectious risk factor for atherosclerosis?
Lee Ann Campbell1, Cho-cho Kuo
1Department of Pathobiology, Box 357238, University of Washington, Seattle, Washington 98155, USA. lacamp@u.washington.edu
Insights
Chronic infection with Chlamydia pneumoniae may accelerate atherosclerosis progression. This review examines evidence linking this common respiratory pathogen to cardiovascular disease development, highlighting infection
Area of Science:
- Cardiovascular Medicine
- Infectious Diseases
- Pathology
Background:
- Atherosclerosis is a major cause of death, with known risk factors not explaining all cases.
- Atherosclerotic processes involve chronic inflammation, similar to chronic infections.
- The role of infection in atherosclerosis is an area of growing research interest.
Purpose of the Study:
- To review evidence on the contribution of Chlamydia pneumoniae infection to atherosclerotic lesion progression.
- To explore the link between a common respiratory pathogen and cardiovascular disease.
Main Methods:
- Literature review of studies investigating Chlamydia pneumoniae and atherosclerosis.
- Analysis of epidemiological and biological data.
Main Results:
- Accumulating evidence suggests a potential role for Chlamydia pneumoniae in promoting atherosclerosis.
- The pathogen is ubiquitous and associated with chronic inflammatory responses.
Conclusions:
- Chronic Chlamydia pneumoniae infection is a potential contributing factor to atherosclerotic lesion progression.
- Further research is warranted to fully elucidate the mechanisms involved.
Abstract:
Cardiovascular disease, of which atherosclerosis is an important component, is the leading cause of death in the western world. Although there are well-defined risk factors for atherosclerosis, these factors do not account for all incidences of the disease. Because atherosclerotic processes are typified by chronic inflammatory responses, which are similar to those that are elicited by chronic infection, the role of infection in promoting or accelerating atherosclerosis has received renewed attention. This review focuses on the accumulating evidence that chronic infection with Chlamydia pneumoniae, a ubiquitous human respiratory pathogen, might contribute to atherosclerotic lesion progression.
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