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Clinical Chemistry 39: 433-439, 1993;
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Clinical Chemistry, Vol 39, 433-439, Copyright © 1993 by American Association for Clinical Chemistry

Rapid enzymatic analysis for human immunodeficiency virus type 1 DNA in clinical specimens

JS Sevall, H Prince, G Garratty, WA O'Brien and JA Zack
Specialty Laboratories, Inc., Santa Monica, CA 90404.

A clinical procedure for rapid detection of human immunodeficiency virus type 1 (HIV-1) by DNA amplification is demonstrated. The rapid procedure reduces handling requirements and amplification time and eliminates use of radioactivity for the detection of the amplification product. Total leukocyte lysates are the amplification substrates. Two conserved regions in the HIV-1 genome are amplified by 45 cycles of a two-temperature thermal cycle and the amplification products are detected by ultraviolet light after electrophoresis on agarose gels. Twenty-four specimens clinically diagnosed by detection of antibody (IgG) to HIV-1 were confirmed by the rapid DNA amplification procedure. In a blind study, 56 samples positive for HIV-1 DNA were detected in 503 individuals by the current classical polymerase chain reaction method; the same 56 positive samples were also detected by the rapid amplification protocol. No false-positive or false-negative results were obtained. The turnaround time for analysis has been reduced to < 24 h without compromising test results.




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Copyright © 1993 by the American Association for Clinical Chemistry.