Detection of nanobacteria-like particles in human atherosclerotic plaques

L. Puskás, L. Tiszlavicz, Zs Rázga, L. L. Torday, T. Krenács, J. Papp

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Recent and historical evidence is consistent with the view that atherosclerosis is an infectious disease or microbial toxicosis impacted by genetics and behavior. Because small bacterial-like particles, also known as nanobacteria have been detected in kidney stones, kidney and liver cyst fluids, and can form a calcium apatite coat we posited that this agent is present in calcified human atherosclerotic plaques. Carotid and aortic atherosclerotic plaques and blood samples collected at autopsy were examined for nanobacteria-like structures by light microscopy (hematoxylin-eosin and a calcium-specific von Kossa staining), immuno-gold labeling for transmission electron microscopy (TEM) for specific nanobacterial antigens, and propagation from homogenized, filtered specimens in culture medium. Nanobacterial antigens were identified in situ by immuno-TEM in 9 of 14 plaque specimens, but none of the normal carotid or aortic tissue (5 specimens). Nanobacteria-like particles were propagated from 26 of 42 sclerotic aorta and carotid samples and were confirmed by dot immunoblot, light microscopy and TEM. [3H]L-aspartic acid was incorporated into high molecular weight compounds of demineralized particles. PCR amplification of 16S rDNA sequences from the particles was unsuccessful by traditional protocols. Identification of nanobacteria-like particles at the lesion supports, but does not by itself prove the hypothesis that these agents contribute to the pathogenesis of atherosclerosis, especially vascular calcifications.

Original languageEnglish
Pages (from-to)233-245
Number of pages13
JournalActa Biologica Hungarica
Volume56
Issue number3-4
DOIs
Publication statusPublished - 2005

Fingerprint

Calcifying Nanoparticles
Atherosclerotic Plaques
Transmission Electron Microscopy
transmission electron microscopy
Transmission electron microscopy
Optical microscopy
Microscopy
Atherosclerosis
antigen
atherosclerosis
light microscopy
microscopy
Calcium
Cyst Fluid
Vascular Calcification
Light
Antigens
Apatites
calcium
Kidney Calculi

Keywords

  • Aorta
  • Atherosclerosis
  • Carotid artery
  • Nanobacteria-like particles
  • Vascular plaque

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

Cite this

Detection of nanobacteria-like particles in human atherosclerotic plaques. / Puskás, L.; Tiszlavicz, L.; Rázga, Zs; Torday, L. L.; Krenács, T.; Papp, J.

In: Acta Biologica Hungarica, Vol. 56, No. 3-4, 2005, p. 233-245.

Research output: Contribution to journalArticle

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