2007
DOI: 10.1590/s1676-24442007000100003
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Diagnóstico molecular da tuberculose pulmonar

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Cited by 6 publications
(6 citation statements)
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“…The Polymerase Chain Reaction (PCR) is currently considered a rapid and sensitive method for detection of M. tuberculosis, able to detect less than 10 bacilli per mL in different biological specimens (1,2,10,24). Although conventional PCR is very useful for the detection of M. tuberculosis, a procedure that associates two PCRs (nested-PCR) combines greater sensitivity and specificity (18).…”
Section: Introductionmentioning
confidence: 99%
“…The Polymerase Chain Reaction (PCR) is currently considered a rapid and sensitive method for detection of M. tuberculosis, able to detect less than 10 bacilli per mL in different biological specimens (1,2,10,24). Although conventional PCR is very useful for the detection of M. tuberculosis, a procedure that associates two PCRs (nested-PCR) combines greater sensitivity and specificity (18).…”
Section: Introductionmentioning
confidence: 99%
“…However, variations in the procedures of in-house PCR could explain the widely variability of the sensitivity and specificity reported in several studies. 13,14,15 The influence of respiratory tract microbiota on the performance of PCR remains disputable. According to some authors, fungi and bacteria from these sites can affect the results of PCR from sputum.…”
Section: Discussionmentioning
confidence: 99%
“…A maioria dos protocolos utiliza a sequência repetitiva de inserção IS6110, de 1.350 pares de bases, presente nas espécies do Complexo M. tuberculosis com diferentes números de cópias e integradas em vários sítios cromossômicos (Hermans et al, 1990;van Soolingen et al, 1991, Assis et al, 2007. Por estar presente em várias cópias no genoma, este alvo molecular promove um aumento na sensibilidade da técnica, o que representa uma vantagem sobre os demais alvos.…”
Section: Reação Em Cadeia Da Polimerase ( Pcr)unclassified