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KMID : 0880220170550050319
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Journal of Microbiology
2017 Volume.55 No. 5 p.319 ~ p.329
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Primary lymphocyte infection models for KSHV and its putative tumorigenesis mechanisms in B cell lymphomas
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Kang Sang-Min
Myoung Jin-Jong
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Abstract
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Kaposi’s sarcoma-associated herpesvirus (KSHV) is the latest addition to the human herpesvirus family. Unlike alpha- and beta-herpesvirus subfamily members, gamma-herpesviruses, including Epstein-Barr virus (EBV) and KSHV, cause various tumors in humans. KSHV primarily infects endothelial and B cells in vivo, and is associated with at least three malignancies: Kaposi’s sarcoma and two B cell lymphomas, respectively. Although KSHV readily infects endothelial cells in vitro and thus its pathogenic mechanisms have been extensively studied, B cells had been refractory to KSHV infection. As such, functions of KSHV genes have mostly been elucidated in endothelial cells in the context of viral infection but not in B cells. Whether KSHV oncogenes, defined in endothelial cells, play the same roles in the tumorigenesis of B cells remains an open question. Only recently, through a few ground-breaking studies, B cell infection models have been established. In this review, those models will be compared and contrasted and putative mechanisms of KSHV-induced B cell transformation will be discussed.
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KEYWORD
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KSHV, B cell, infection model, lymphoma
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