Cited by 20Helicobacter pylori-related gastroenterology studiesAtherosclerosis and Cardiovascular DiseasesNitric Oxide and Endothelin Effects

Endothelial function parameters in patients with unstable angina and infection with Helicobacter pylori and Chlamydia pneumoniae

Grąbczewska, Zofia, Nartowicz, Edmund, Kubica, Jacek, Rość, Danuta·2006·European Journal of Internal Medicine

Abstract

Background Endothelial dysfunction may be a factor linking infection with atherosclerosis. The aim of our study was to assess the relationship between seropositivity to Helicobacter pylori (Hp) and/or to Chlamydia pneumoniae (Cp) and some endothelial function parameters in patients with unstable angina.Methods In 31 patients with unstable angina, we determined the serum concentration of the von Willebrand factor (vWF), thrombomodulin, tissue plasminogen activator antigen, and tissue plasminogen activator inhibitor type 1 antigen, the concentration of IgG antibodies to Hp and Cp (all by ELISA), and the level of C-reactive protein. The Western blot test was performed for all patients seropositive to Hp. It allowed us to identify 15 different antigen proteins of Hp.Results Sixty-one percent of the patients were seropositive to both Hp and Cp, and 35% were seropositive to Hp only. We did not find significant differences in serum concentrations of endothelial function parameters and CRP between the two groups of patients. The patients seropositive to both Hp and Cp had a significantly higher serum concentration of vWF when Hp did not contain the 95 kDa protein (p=0.01) and a significantly higher serum concentration of PAI-1:Ag when Hp did not contain the 57 kDa protein (p=0.002) and the 66 kDa protein (p=0.02).Conclusion The results show that the antigenic profile of bacteria may play a more significant role in coronary artery disease than seropositivity.

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Crossref · 10.1016/j.ejim.2006.02.005

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Authors
Grąbczewska, Z., Nartowicz, E., Kubica, J., & Rość, D.
Affiliations
Nicolaus Copernicus University (PL)
Corresponding author
Grąbczewska, Zofia
Venue
European Journal of Internal Medicine
Publisher
Elsevier BV
Published
2006-08
Volume
17
Issue
5
Pages
339-342
ISSN
0953-6205 (ISSN-L)
OpenAlex
W2006757729
Cited by
20
References
20
Citations by year
2026: 1 · 2022: 1 · 2016: 3 · 2015: 3 · 2012: 1
FWCI
2.36
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Internal Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Surgery › Helicobacter pylori-related gastroenterology studies
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
Keywords
endothelial dysfunction, unstable angina, Helicobacter pylori, Chlamydia pneumoniae, bacterial infection, von Willebrand factor, thrombomodulin, tissue plasminogen activator, C-reactive protein, bacterial antigens, coronary artery disease, atherosclerosis

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