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No association between Parachlamydia infection and atherosclerosis
Floriane Auderset1, Myriam Genoud, Gérard Waeber
1Center for Research on Intracellular Bacteria, Institute of Microbiology, University of Lausanne and University Hospital Center, Switzerland.
FEMS Immunology and Medical Microbiology
|December 2, 2008
Summary
This study found no link between Parachlamydia infection and atherosclerosis in patients. Researchers did not detect Parachlamydia DNA or IgM, suggesting it does not play a role in this cardiovascular disease.
Area of Science:
- Infectious Diseases
- Cardiovascular Research
- Microbiology
Background:
- Recent studies proposed a potential role for Parachlamydia in the development of atherosclerosis.
- Atherosclerosis is a chronic inflammatory disease characterized by plaque buildup in arteries.
Purpose of the Study:
- To investigate the association between Parachlamydia infection and atherosclerosis in a patient cohort.
- To determine the prevalence of anti-Parachlamydia antibodies and DNA in patients with and without atherosclerosis.
Main Methods:
- Serological testing for anti-Parachlamydia IgG and IgM antibodies in 354 patients.
- Polymerase chain reaction (PCR) to detect Parachlamydia DNA in peripheral blood mononuclear cells (PBMCs).
- Comparison of infection markers between patients with and without diagnosed atherosclerosis.
Main Results:
- Anti-Parachlamydia IgG antibodies were detected in six patients.
- No patient tested positive for Parachlamydia IgM antibodies.
- Parachlamydia DNA was not successfully amplified from the PBMCs of any patient.
- No statistically significant association was found between atherosclerosis and evidence of Parachlamydia infection.
Conclusions:
- The findings do not support a role for Parachlamydia infection in the pathogenesis of atherosclerosis.
- Further research may be needed to fully elucidate the relationship between Chlamydia species and cardiovascular health.
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