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Antibodies to human herpesvirus 8 latent and lytic antigens in blood donors and potential high-risk groups in Sweden: variable frequencies found in a multicenter serological study
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2000 (English)In: Journal of Medical Virology, ISSN 0146-6615, E-ISSN 1096-9071, Vol. 62, no 4, 498-504 p.Article in journal (Refereed) Published
Abstract [en]

Human herpesvirus 8 (HHV-8) is a herpesvirus associated with Kaposi's sarcoma (KS). An immunofluorescence assay was used for detection of IgG, IgM, and IgA antibodies against lytic and latent HHV-8 antigens to analyse samples from KS patients (n = 8), healthy blood donors (n = 162), individuals with a high risk sexual behaviour (n = 114), and bone marrow transplant patients (with high risk for bloodborne infections) (n = 34) in Sweden. Of the KS patients, 88% had IgG antibodies to both lytic and latent antigens by immunofluorescence. In all other groups, antilatent antibodies were rare (0-2.6%). IgG antibodies to the lytic antigens were found, by immunofluorescence, in 20% of the blood donors, 31% of the high risk patients, and in 24 and 29% of the bone marrow transplant patients (pre- and post-transplant samples, respectively). For verification of the specificity of the anti-lytic antibodies, 170 of the samples were also tested blindly at different laboratories world-wide with five other assays shown previously to detect HHV-8 antibodies in most KS patients. By using two recombinant HHV-8 proteins (ORF65/vp17 and K8.1/gp 35-37) in ELISA, a whole-virion ELISA and two immunofluorescence assays confirmation of the reactivity against lytic viral antigens was sought. The comparison of the different methods suggested the K8.1 ELISA to be highly specific and also showed a good agreement between two of the immunofluorescence assays. However, generally there was a poor correlation for positive results, indicating the need of further methodological development.

Place, publisher, year, edition, pages
2000. Vol. 62, no 4, 498-504 p.
Keyword [en]
immunofluorescence assay, Kaposi's sarcoma, comparison
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-58419DOI: 10.1002/1096-9071(200012)62:4<498::AID-JMV15>3.0.CO;2-BPubMedID: 11074479OAI: oai:DiVA.org:uu-58419DiVA: diva2:86329
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2010-09-30Bibliographically approved

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