Journal
JOURNAL OF NEUROIMMUNE PHARMACOLOGY
Volume 14, Issue 4, Pages 649-660Publisher
SPRINGER
DOI: 10.1007/s11481-019-09877-8
Keywords
JC virus; PML; Immunosuppression; Reactivation; Diagnosis; Therapy
Categories
Funding
- NIH [AI101192]
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With the advent of immunomodulatory therapies and the HIVepidemic, the impact of JC Virus (JCV) on the public health system has grown significantly due to the increased incidence of Progressive Multifocal Leukoencephalopathy (PML). Currently, there are no pharmaceutical agents targeting JCV infection for the treatment and the prevention of viral reactivation leading to the development of PML. As JCV primarily reactivates in immunocompromised patients, it is proposed that the immune system (mainly the cellular-immunity component) plays a key role in the regulation of JCV to prevent productive infection and PML development. However, the exact mechanism of JCV immune regulation and reactivation is not well understood. Likewise, the impact of host factors on JCV regulation and reactivation is another understudied area. Here we discuss the current literature on host factor-mediated and immune factor-mediated regulation of JCV gene expression with the purpose of developing a model of the factors that are bypassed during JCV reactivation, and thus are potential targets for the development of therapeutic interventions to suppress PML initiation.
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