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1994-09-24
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Document 0730
DOCN M9490730
TI Competitive polymerase chain reaction and analysis of viral activity at
the molecular level.
DT 9411
AU Clementi M; Bagnarelli P; Manzin A; Menzo S; Institute of Microbiology,
University of Ancona, Italy.
SO Genet Anal Tech Appl. 1994;11(1):1-6. Unique Identifier : AIDSLINE
MED/94338760
AB Due to the high sensitivity level (which can be pushed to the limit of
one molecule) and its extraordinary flexibility, the polymerase chain
reaction (PCR) is the method of choice for the detection of nucleic
acids present in very low concentration in biological samples. Since the
qualitative features of PCR amplification have limited its use, several
PCR-based approaches for the quantitation of low-abundance nucleic acid
species have been planned and proposed in the last few years. Recently,
different lines of evidence have indicated that competitive PCR and
competitive reverse-transcription-PCR share several advantages over
other quantitative approaches. This evidence opens up unexpected
possibilities in many biological fields, including virology; in fact,
availability of reliable techniques for the absolute quantitation of DNA
and RNA species may be the key to a better understanding of the
pathogenic steps of most viral diseases and for a more precise
monitoring of patients treated with specific antiviral compounds. In
this review article, we summarize the procedures adopted for this
quantitative molecular approach; additionally, several important
technical aspects to plan novel competitive PCR-based applications are
analyzed, and early results obtained using cPCR for the direct
evaluation of viral activity in vivo are discussed.
DE DNA, Viral/*ANALYSIS Human HIV Infections/DIAGNOSIS/MICROBIOLOGY
HIV-1/ISOLATION & PURIF Polymerase Chain Reaction/*METHODS RNA,
Viral/*ANALYSIS Support, Non-U.S. Gov't Virus
Diseases/DIAGNOSIS/*MICROBIOLOGY Viruses/GENETICS/*ISOLATION &
PURIF/PATHOGENICITY JOURNAL ARTICLE REVIEW REVIEW, TUTORIAL
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).