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Induction and Clinical Scoring of Chronic-Relapsing Experimental Autoimmune Encephalomyelitis
26:48

Induction and Clinical Scoring of Chronic-Relapsing Experimental Autoimmune Encephalomyelitis

Published on: July 4, 2007

[Progressive multifocal leukoencephalopathy--epidemiology, clinical pictures, diagnosis and therapy]

Shuji Kishida1

  • 1Department of Neurology, Tokyo Metropolitan Cancer and Infectious Disease Center-Komagome Hospital, 3-18 22 Honkomagome, Bunkyo-ku, Tokyo 113-8677, Japan.

No to Shinkei = Brain and Nerve
|February 24, 2007
PubMed

Insights

Progressive multifocal leukoencephalopathy (PML), a rare brain disease caused by JC virus (JCV), is increasing due to immunodeficiency and immunosuppressive drugs. Diagnosis and treatment remain challenging, with limited options available.

Area of Science:

  • Neuroscience
  • Virology
  • Immunology

Background:

  • Progressive multifocal leukoencephalopathy (PML) is a demyelinating CNS disease caused by JC virus (JCV) reactivation.
  • PML incidence has risen due to AIDS and immunosuppressive therapies, shifting from a rare condition to a significant concern.
  • Neurological symptoms vary based on affected brain regions, often leading to poor prognosis within six months.

Purpose of the Study:

  • To review the epidemiology of PML, with a focus on Japan.
  • To discuss current diagnostic challenges and treatment guidelines for PML.
  • To provide insights based on recent advancements in JCV biology.

Main Methods:

  • Review of epidemiological data, particularly in Japan.
  • Analysis of diagnostic methods, including neuroimaging and JCV-DNA detection in CSF.
  • Evaluation of current treatment strategies, including HAART for HIV-related PML.

Main Results:

  • PML incidence is increasing, linked to weakened immune systems from conditions like AIDS and immunosuppressive drug use.
  • Diagnosis often relies on supportive evidence like imaging and JCV-DNA in CSF, as biopsy is not always feasible.
  • Effective therapies are limited, though HAART shows benefit for HIV-associated PML.

Conclusions:

  • PML presents a growing challenge in neurology and infectious diseases.
  • Improved understanding of JCV biology is crucial for developing effective diagnostic and therapeutic approaches.
  • Current management focuses on supportive care and specific treatments like HAART where applicable.

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