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Updated: Jul 13, 2026

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria
Published on: February 23, 2014
[Etiological agent and pathogenicity mechanism of PML]
Tadaki Suzuki1, Kazuo Nagashima, Hirofumi Sawa
1Department of Molecular Pathobiology, Hokkaido University Research Center for Zoonosis Control.
Abstract:
JC virus (JCV) is a causative agent of progressive multifocal leukoencephalopathy (PML) that occurs mainly in immunosuppressed patients, especially those with HIV/AIDS. JCV belongs to the Polyomavirus that are characterized by non-enveloped icosahedral capsids containing small, circular, double-stranded DNA genomes. JCV is widely distributed among the population world-wide. However, infections are usually restricted by the immune system. In this article we briefly provide an overview of the interaction between JCV and host immunity. We also review the biological and physical characteristics and the lifecycle, receptors interaction, intracellular trafficking, viral transcription and replication, progeny virus propagation of JCV to examine the pathogenicity mechanism of PML.
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