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  3. Σχολή Επιστημών Υγείας
  4. Τμήμα Ιατρικής
  5. Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) - ΙΑΤ
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Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/19852
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dc.contributor.authorIkonomopoulos, J. A.en
dc.contributor.authorGorgoulis, V. G.en
dc.contributor.authorZacharatos, P. V.en
dc.contributor.authorManolis, E. N.en
dc.contributor.authorKanavaros, P.en
dc.contributor.authorRassidakis, A.en
dc.contributor.authorKittas, C.en
dc.date.accessioned2015-11-24T19:02:57Z-
dc.date.available2015-11-24T19:02:57Z-
dc.identifier.issn0893-3952-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/19852-
dc.rightsDefault Licence-
dc.subjectDNA, Bacterial/*analysis/geneticsen
dc.subjectHumansen
dc.subjectMicrotomyen
dc.subjectMycobacterium/geneticsen
dc.subjectMycobacterium avium/geneticsen
dc.subjectMycobacterium tuberculosis/*geneticsen
dc.subjectPolymerase Chain Reaction/*methodsen
dc.subjectSarcoidosis/genetics/*microbiology/pathologyen
dc.subjectSensitivity and Specificityen
dc.subjectSputum/microbiologyen
dc.subjectTuberculosis/genetics/*microbiology/pathologyen
dc.titleMultiplex polymerase chain reaction for the detection of mycobacterial DNA in cases of tuberculosis and sarcoidosisen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/10496593-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικήςel
heal.publicationDate1999-
heal.abstractThe aims of the present study were: (1) to design a sensitive and specific polymerase chain reaction-based method that would allow detection of most common human typical and atypical mycobacterial strains and (2) to apply the method on formalin-fixed paraffin-embedded (FFPE) tissue and sputum samples from patients with clinicopathological evidence of tuberculosis and sarcoidosis. Three sets of primers were selected. The first detects specifically members of the Mycobacterium tuberculosis (M. tuberculosis) complex, amplifying a 243 bp fragment of the gene encoding the immunogenic protein MPB 64, whereas the second traces members of the Mycobacterium avium (M. avium) complex producing a 91 bp fragment of the IS1110 element. The third pair of primers is specific for slow-growing mycobacteria, amplifying a 383 bp region of the 65 kDa mycobacterial antigen gene. Our multiplex polymerase chain reaction assay identified mycobacterial DNA of 10(-3) colony-forming units (CFU)/mL from sputum samples, 10(-5) CFU/mL from FFPE tissue samples and 10(-6) CFU/mL from pure broth cultures. By performing the method on 75 FFPE tissue samples with histological and clinical evidence of tuberculosis and 300 sputum specimens from patients suspected of tuberculosis, we found 38 M. tuberculosis complex, 7 M. avium complex, and 14 slow-growing mycobacteria positive samples in the first case and in the second we found 95 M. tuberculosis complex, 21 M. avium complex, and 35 slow-growing mycobacteria positive samples. The sensitivity of the assay was significantly higher than that of Ziehl-Neelsen and in some cases higher than culture, especially when applied on atypical mycobacteria. In addition, 25 cases histologically and clinically characterized as sarcoidosis were investigated for mycobacterial DNA sequences and in nine of these, DNA corresponding to M. tuberculosis complex was detected. The method described can be applied directly on FFPE and sputum samples and allows not only the detection of mycobacterial DNA, but also an assessment concerning the species involved.en
heal.journalNameMod Patholen
heal.journalTypepeer-reviewed-
heal.fullTextAvailabilityTRUE-
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