Human herpesvirus type 8 and Kaposi's sarcoma. 1998

R A Weiss, and D Whitby, and S Talbot, and P Kellam, and C Boshoff
Institute of Cancer Research, Chester Beatty Laboratories, London, U.K.

Kaposi's sarcoma-associated herpesvirus or human herpesvirus type 8 (HHV-8) is present in all forms of Kaposi's sarcoma (KS) as well as in primary effusion lymphomas and some cases of Castleman's disease. In KS tissues, HHV-8 is present in endothelial and spindle cells. Current serologic tests suggest that HHV-8 is predominantly found in those at risk of KS and is not as widespread as most other human herpesviruses. HHV-8 encodes various proteins that may play a role in promotion of cellular growth, including cyclin- and G-coupled protein receptor homologues, and anti-apoptotic proteins, including Bcl-2, IL-6 (i.e., interleukin 6), and FLIP (i.e., FLICE inhibitory protein) homologues. In addition, HHV-8 encodes two macrophage inflammatory-like proteins with anti-human immunodeficiency virus and angiogenic potential.

UI MeSH Term Description Entries
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012514 Sarcoma, Kaposi A multicentric, malignant neoplastic vascular proliferation characterized by the development of bluish-red cutaneous nodules, usually on the lower extremities, most often on the toes or feet, and slowly increasing in size and number and spreading to more proximal areas. The tumors have endothelium-lined channels and vascular spaces admixed with variably sized aggregates of spindle-shaped cells, and often remain confined to the skin and subcutaneous tissue, but widespread visceral involvement may occur. Kaposi's sarcoma occurs spontaneously in Jewish and Italian males in Europe and the United States. An aggressive variant in young children is endemic in some areas of Africa. A third form occurs in about 0.04% of kidney transplant patients. There is also a high incidence in AIDS patients. (From Dorland, 27th ed & Holland et al., Cancer Medicine, 3d ed, pp2105-7) HHV-8 is the suspected cause. Kaposi Sarcoma,Kaposi's Sarcoma,Multiple Idiopathic Pigmented Hemangiosarcoma,Kaposis Sarcoma,Sarcoma, Kaposi's
D019288 Herpesvirus 8, Human A species in the genus RHADINOVIRUS, subfamily GAMMAHERPESVIRINAE, isolated from patients with AIDS-related and "classical" Kaposi sarcoma. Herpesvirus, Kaposi Sarcoma-Associated,KSHV,Kaposi Sarcoma-Associated Herpesvirus,HHV-8,Herpesvirus, Kaposi's Sarcoma-Associated,Human Herpesvirus 8,Kaposi's Sarcoma-Associated Herpesvirus,Herpesvirus, Kaposi Sarcoma Associated,Herpesvirus, Kaposi's Sarcoma Associated,Herpesvirus, Kaposis Sarcoma-Associated,Herpesviruses, Kaposi's Sarcoma-Associated,Kaposi Sarcoma Associated Herpesvirus,Kaposi's Sarcoma Associated Herpesvirus,Kaposi's Sarcoma-Associated Herpesviruses,Kaposis Sarcoma-Associated Herpesvirus,Sarcoma-Associated Herpesvirus, Kaposi,Sarcoma-Associated Herpesviruses, Kaposi's

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