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Latent and lytic HHV-8 mRNA expression in PBMCs and Kaposi's sarcoma skin biopsies of AIDS Kaposi's sarcoma patients

✍ Scribed by Abeltje M. Polstra; Jaap Goudsmit; Marion Cornelissen

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
62 KB
Volume
70
Category
Article
ISSN
0146-6615

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✦ Synopsis

Abstract

Human herpes virus 8 (HHV‐8) is associated with all clinical forms of Kaposi's sarcoma. HHV‐8 DNA is present in Kaposi's sarcoma biopsies and is observed regularly in saliva and less consistently in blood of Kaposi's sarcoma patients. The expression pattern of latent (ORF 73) and lytic (vGCR, vBcl‐2, and vIL‐6) HHV‐8 mRNA was studied in peripheral blood mononuclear cell (PBMC) samples and Kaposi's sarcoma skin biopsies from 11 AIDS Kaposi's sarcoma patients with four different nucleic acid sequence‐based amplification (NASBA) assays. Patients were divided into groups according to the clinical stage of Kaposi's sarcoma (stage I–IV). All biopsies were positive for two or more of the mRNA measured. No clear difference could be seen in the expression pattern in the lesions of the different clinical stages. In the corresponding PBMC samples, very little or no mRNA was measurable in the patients with Kaposi's sarcoma stage I or II, whereas patients with more advanced Kaposi's sarcoma (stage III or IV) had more detectable mRNA in the PBMCs. Thus, the HHV‐8 DNA load in the PBMCs increases in more advanced Kaposi's sarcoma, as does the frequency of mRNA detection in PBMCs. J. Med. Virol. 70:624–627, 2003. © 2003 Wiley‐Liss, Inc.

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