NASBA technology: isothermal RNA amplification in qualitative and quantitative diagnostics.

Important note: Information in this article was accurate in 1997. The state of the art may have changed since the publication date.

NASBA technology: isothermal RNA amplification in qualitative and quantitative diagnostics.

Immunol Invest. 1997 Jan-Feb;26(1-2):15-28. Unique Identifier : AIDSLINE MED/97189351
Romano JW; Williams KG; Shurtliff RN; Ginocchio C; Kaplan M; Advanced BioScience Laboratories, Inc., Kensington, MD 20895, USA.

Abstract: Nucleic acid amplification technologies allow for the development of highly sensitive and specific diagnostic assays. The capacity to amplify and detect analyte targets, which may be present in a clinical sample as a single copy; is characteristic of many of these amplification technologies. NASBA is an isothermal method of nucleic acid amplification with such capability, and is particularly well suited for the amplification of RNA analytes. NASBA utilizes the coordinated activities of three enzymes AMV-RT, RNase H, T7 RNA polymerase), and two oligonucleotide primers which are specific for the analyte target. The amplification process is part of a total system which includes a versatile nucleic acid isolation procedure, and powerful detection methodology. In this report, the development of NASBA technology for the detection of human Retrovirus RNA will be discussed. Specifically, a qualitative NASBA assay for the RNA of HTLV I, and a quantitative NASBA assay for HIV-1 will be described.

Keywords: *Gene Amplification/METHODS *RNA, Viral/ANALYSIS
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M9772077

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