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Detection of HHV-8 in reactive lymphoid tissue of patients from São Paulo state, Brazil
  1. J Vassallo1,
  2. I Rebouças1,
  3. P Brousset2
  1. 1Department of Anatomic Pathology, Faculty of Medical Sciences, State University of Campinas, São Paulo, Brazil
  2. 2Laboratoire d'Anatomie Pathologique, CHU Purpan, 31059 Toulouse Cedex, France;
  1. Brousset.p{at}

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Recent studies have assessed the seroprevalence of human herpesvirus 8 (HHV-8) in patients infected with human immunodeficiency virus 1 (HIV-1) and healthy blood donors in Brazil.1–3 We decided to assess the prevalence of HHV-8 infection by another strategy, based upon the polymerase chain reaction (PCR) and immunodetection of HHV-8 positive cells in a series of tissue samples from patients living in the São Paulo state in Brazil. For that purpose, we used three different primers corresponding to three different regions of the viral genome, using a PCR protocol described previously.4 In parallel, we used primer sets specific to the open reading frame K1 (ORF-K1) sequence to classify the viral strains.5 Lastly, we applied immunohistochemistry with an anti-latent …

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