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HIV-1 reverse transcriptase inhibiting antibody titer in serum: relation to disease progression and to core-antibody levels.
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1992 (English)In: Journal of Medical Virology, ISSN 0146-6615, E-ISSN 1096-9071, Vol. 36, no 4, 283-291 p.Article in journal (Refereed) Published
Abstract [en]

A new assay for detecting inhibition of reverse transcriptase activity (the RT-i REA) was developed. This assay was standardized for screening serum samples for reverse transcriptase inhibiting antibodies (RT-iAb). High specificity (100%) and sensitivity (greater than 98%) were achieved with samples from HIV-negative individuals and HIV-infected individuals. The RT-i REA was also used in a study of the titers of RT-iAb in serum samples obtained from 33 HIV-infected homosexual men. The results confirmed the relation between decreasing RT-iAb levels and progression to late stages of the disease. Furthermore, a falling RT-iAb titer was observed in 14 of 15 individuals experiencing periods of severe clinical symptoms attributed to HIV-activity. In 7 of the patients the decline in RT-iAb titer began prior to severe clinical symptoms. The fall in RT-iAb titer also correlated with a reduction in core Ab level. The core Ab level has previously been reported to be a disease progression marker with considerable prognostic value. However, whereas all patients were positive for RT-iAb, 8 of the 33 patients did not have detectable core Ab. The use of RT-iAb titer as a marker of disease progression is discussed.

Place, publisher, year, edition, pages
1992. Vol. 36, no 4, 283-291 p.
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Medical and Health Sciences
URN: urn:nbn:se:uu:diva-104579DOI: 10.1002/jmv.1890360410ISI: A1992HL08200009PubMedID: 1374456OAI: oai:DiVA.org:uu-104579DiVA: diva2:219957
Available from: 2009-05-28 Created: 2009-05-28 Last updated: 2013-10-24Bibliographically approved

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Lennerstrand, Johan
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