Chlamydia pneumoniaeDNA Detection in Peripheral Blood Mononuclear Cells Is Predictive of Vascular Infection
Author(s) -
Francesco Blasi,
Jens Boman,
Gloria Esposito,
Germano Melissano,
Roberto Chiesa,
Roberto Cosentini,
Paolo Tarsia,
Yamume Tshomba,
Matteo Betti,
MarieChristine Alessi,
Nicoletta Morelli,
L. Allegra
Publication year - 1999
Publication title -
the journal of infectious diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.69
H-Index - 252
eISSN - 1537-6613
pISSN - 0022-1899
DOI - 10.1086/315126
Subject(s) - chlamydophila pneumoniae , chlamydia , peripheral blood mononuclear cell , chlamydiaceae , mycoplasma pneumoniae , abdominal aortic aneurysm , pathology , medicine , serology , polymerase chain reaction , immunology , biology , aneurysm , antibody , pneumonia , gene , radiology , biochemistry , in vitro
Abdominal aortic aneurysm tissue and peripheral blood mononuclear cells (PBMC) of 41 consecutive subjects undergoing abdominal aortic aneurysm surgery were analyzed by polymerase chain reaction (PCR) for the presence of Chlamydia pneumoniae, Mycoplasma pneumoniae, and Helicobacter pylori DNA. Twenty patients (49%) were positive for C. pneumoniae DNA-16 (39%) in both PBMC and aneurysm tissue, 3 (7.3%) in PBMC only, and 1 (2.4%) in the artery specimen only. Previous exposure to C. pneumoniae was confirmed in 19 (95%) of the 20 PCR positive subjects by C. pneumoniae-specific serology, using the microimmunofluorescence test. None was positive for H. pylori or M. pneumoniae DNA, either in the PBMC or in the artery specimens. In conclusion, carriage of C. pneumoniae DNA is common both in PBMC and in abdominal aortic tissue from patients undergoing abdominal aneurysm surgery. Blood PCR may be a useful tool for identifying subjects carrying C. pneumoniae in the vascular wall.
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