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Virologica Sinica, 23 (6) : 449-458, 2008
Angiogenesis, Kaposi’s Sarcoma and Kaposi’s Sarcoma- associated Herpesvirus*
1.Tumor Virology Group, State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, China
2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China
3. Tumor Virology Program, Greehey Children’s Cancer Research Institute and Department of Pediatrics, The University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA
Tumor angiogenesis is the uncontrolled growth of blood vessels in tumors, serving to supply nutrients and oxygen, and remove metabolic wastes. Kaposi’s sarcoma (KS), a multifocal angioproliferative disorder characterized by spindle cell proliferation, neo-angiogenesis, inflammation, and edema, is associated with infection by Kaposi’s sarcoma-associated herpesvirus (KSHV). Recent studies indicate that KSHV infection directly promotes angiogenesis and inflammation through an autocrine and paracrine mechanism by inducing pro-angiogenic and pro-inflammatory cytokines. Many of these cytokines are also expressed in KS lesions, implicating a direct role of KSHV in the pathogenesis of this malignancy. Several KSHV genes are involved in KSHV-induced angiogenesis. These studies have provided insights into the pathogenesis of KS, and identified potential therapeutic targets for this malignancy.
  Published online: 5 Dec 2008
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