Quantification of Human Immunodeficiency Virus Type 1 RNA Levels in Plasma by Using Small-Volume-Format Branched-DNA Assays

Author:

Yeghiazarian Torange1,Zhao Yuqi234,Read Stanley E.5,Kabat William2,Li Xiaoyi5,Hamren Sarah J.1,Sheridan Patrick J.1,Wilber Judith C.1,Chernoff David N.1,Yogev Ram23

Affiliation:

1. Chiron Diagnostics, Emeryville, California1;

2. Section of Pediatric and Maternal HIV-1 Infections, Division of Infectious Diseases, Children’s Memorial Hospital,2 and

3. Department of Pediatrics3 and

4. Department of Microbiology and Immunology,4 Northwestern University Medical School, Chicago, Illinois; and

5. Division of Infectious Diseases, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada5

Abstract

ABSTRACT We have developed small-volume (50 or 250 μl)-format branched-DNA assays for human immunodeficiency virus type 1 (HIV-1) RNA for use with specimens in which the volume is limited and/or a high viral load is anticipated. These formats exhibited good correlation with the standard 1-ml format; high specificity, reproducibility, and linearity; and no significant difference in the quantification of HIV-1 subtypes.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

Reference7 articles.

1. Revised classification system for human immunodeficiency virus infection in children less than 13 years of age;Centers for Disease Control;Morbid. Mortal. Weekly Rep.,1994

2. An enhanced-sensitivity branched-DNA assay for quantification of human immunodeficiency virus type 1 RNA in plasma

3. Prognosis in HIV-1 infection predicted by the quantity of virus in plasma;Mellors J. W.;Science,1996

4. Rapid and precise quantification of HIV-1 RNA in plasma using a branched DNA (bDNA) signal amplification assay;Pachl C.;J. Acquired Immune Defic. Syndr. Hum. Retrovirol.,1995

5. HIV-1 viral load markers in clinical practice;Saag M. S.;Nat. Med.,1996

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