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Pathogens 2017, 6(3), 34; doi:10.3390/pathogens6030034

KSHV and the Role of Notch Receptor Dysregulation in Disease Progression

Department of Microbiology, Biochemistry, and Molecular Genetics, and Rutgers School of Graduate Studies, Rutgers Biomedical and Health Sciences, Rutgers University, New Jersey Medical School, 225 Warren St., ICPH E 350 C, Newark, NJ 07103, USA
Author to whom correspondence should be addressed.
Received: 1 July 2017 / Revised: 28 July 2017 / Accepted: 31 July 2017 / Published: 4 August 2017
(This article belongs to the Special Issue Herpesviruses)
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Kaposi’s sarcoma-associated herpesvirus (KSHV) is the causative agent of two human cancers, Kaposi’s Sarcoma (KS) and primary effusion lymphoma (PEL), and a lymphoproliferation, Multicentric Castleman’s Disease (MCD). Progression to tumor development in KS is dependent upon the reactivation of the virus from its latent state. We, and others, have shown that the Replication and transcriptional activator (Rta) protein is the only viral gene product that is necessary and sufficient for viral reactivation. To induce the reactivation and transcription of viral genes, Rta forms a complex with the cellular DNA binding component of the canonical Notch signaling pathway, recombination signal binding protein for Jk (RBP-Jk). Formation of this Rta:RBP-Jk complex is necessary for viral reactivation to occur. Expression of activated Notch has been shown to be dysregulated in KSHV infected cells and to be necessary for cell growth and disease progression. Studies into the involvement of activated Notch in viral reactivation have yielded varied results. In this paper, we review the current literature regarding Notch dysregulation by KSHV and its role in viral infection and cellular pathogenesis. View Full-Text
Keywords: KSHV; HHV8; Rta; multicentric castleman’s disease; primary effusion lymphoma; kaposi’s sarcoma; notch; RBP-Jk KSHV; HHV8; Rta; multicentric castleman’s disease; primary effusion lymphoma; kaposi’s sarcoma; notch; RBP-Jk

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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DeCotiis, J.L.; Lukac, D.M. KSHV and the Role of Notch Receptor Dysregulation in Disease Progression. Pathogens 2017, 6, 34.

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