Differential expression of the HHV-8 vGCR cellular homolog gene in AIDS- associated and classic kaposrs sarcoma

Potential role of HIV-1 tat

Angela Yen-Moore, S. David Hudnall, Peter L. Rady, Richard Wagner, Todd O. Moore, Omeed Memar, Thomas K. Hughes, Stephen K. Tyring

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Human herpesvirus 8 (HHV-8) has been causally linked to Kaposi's sarcoma (KS). There is significant homology between some HHV-8 genes and cellular genes including D-type cyclin (vCYC), G protein coupled receptor (vGCR), macrophage inflammatory proteins (vMIP-l, vMIP-11), bcl-2 (vBCL2), interferon regulatory factor-1 (vlRF1), interleukin-6 (vlL6), and complement-binding protein (vCBP). In this study, we analyzed expression of these viral homologs and HIV-1 Tat by reverse transcriptase polymerase chain reaction (RT-PCR) coupled with Southern blot hybridization in AIDS-KS (AKS) tissue, classic KS tissue(CKS), and peripheral blood mononuclear cells, and phorbol ester (TPA)- treated and untreated HHV-8 positive lymphoma cells (BCBL1). While vCYC (AKS 6 of 6; CKS 3 of 3), vMIP-l (AKS 5 of 6, CKS 3 of 3), vBCL2 (AKS 6 of 6; CKS 3 of 3), and vlRF1 (AKS 5 of 6, CKS 3 of 3) transcripts were detected in both AKS and CKS, vGCR and HIV-1 Tat were expressed only in AKS samples (vGCR: AKS 3 of 6, CKS 0 of 3; Tat: AKS 4 of 6, CKS 0 of 3). vMlPII, vCBP, and vlL6 expression were not detected in any KS samples. Since vGCR expression is limited to AKS, it is possible that vGCR is activated by HIV-1 Tat. These results suggest that HIV-1 Tat may contribute to AKS pathogenesis through the tumorigenic and angiogenic effects of vGCR. (C) 2000 Academic Press.

Original languageEnglish (US)
Pages (from-to)247-251
Number of pages5
JournalVirology
Volume267
Issue number2
DOIs
StatePublished - Feb 15 2000

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Sarcoma
HIV-1
Acquired Immunodeficiency Syndrome
G-Protein-Coupled Receptors
Genes
Kaposi's Sarcoma
Human Herpesvirus 8
Interferon Regulatory Factor-1
Cyclin G
Interleukin-6
Carrier Proteins
Complement System Proteins
Human herpesvirus 8 G protein-coupled receptor
Macrophage Inflammatory Proteins
Phorbol Esters
Southern Blotting
Reverse Transcriptase Polymerase Chain Reaction
Lymphoma
Blood Cells
KS 3

ASJC Scopus subject areas

  • Virology
  • Infectious Diseases

Cite this

Differential expression of the HHV-8 vGCR cellular homolog gene in AIDS- associated and classic kaposrs sarcoma : Potential role of HIV-1 tat. / Yen-Moore, Angela; Hudnall, S. David; Rady, Peter L.; Wagner, Richard; Moore, Todd O.; Memar, Omeed; Hughes, Thomas K.; Tyring, Stephen K.

In: Virology, Vol. 267, No. 2, 15.02.2000, p. 247-251.

Research output: Contribution to journalArticle

Yen-Moore, Angela ; Hudnall, S. David ; Rady, Peter L. ; Wagner, Richard ; Moore, Todd O. ; Memar, Omeed ; Hughes, Thomas K. ; Tyring, Stephen K. / Differential expression of the HHV-8 vGCR cellular homolog gene in AIDS- associated and classic kaposrs sarcoma : Potential role of HIV-1 tat. In: Virology. 2000 ; Vol. 267, No. 2. pp. 247-251.
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AU - Tyring, Stephen K.

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