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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Curr+Opin+Neurol
2015 ; 28
(3
): 288-94
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Novel syndromes associated with JC virus infection of neurons and meningeal
cells: no longer a gray area
#MMPMID25887767
Miskin DP
; Koralnik IJ
Curr Opin Neurol
2015[Jun]; 28
(3
): 288-94
PMID25887767
show ga
PURPOSE OF REVIEW: The availability of a growing number of immunomodulatory
medications over the past few years has been associated with various JC virus
(JCV)-associated brain syndromes in patients with autoimmune diseases, including
multiple sclerosis, Crohn's disease, and psoriasis that had not been previously
recognized as predisposing factors for progressive multifocal
leukoencephalopathy. This review covers the three novel syndromes discovered in
the last decade that are caused by JCV infection of neurons and meningeal cells.
RECENT FINDINGS: For more than 30 years, JCV was thought to exclusively infect
oligodendrocytes and astrocytes in the white matter of the brain of
immunosuppressed individuals. We now recognize that JCV-infected glial cells are
frequently located at the gray-white matter junction or exclusively within the
gray matter causing demyelination in the cortex. Mutations in JCV can trigger a
change in tropism leading to involvement of other cell types, such as neurons and
meningeal cells, causing clinically distinct entities. These new features of JCV
infection provide challenges for clinicians taking care of affected patients and
investigators studying the biology of this polyomavirus, its pathogenesis, and
tropism. SUMMARY: We hope that increasing awareness of these syndromes will lead
to early diagnosis, and pave the way for new avenues of research to better
understand all aspects of JCV pathogenesis and develop efficient therapies for
our patients. However, we need to remain vigilant and open to the possibility
that additional JC variants or yet unknown polyomaviruses may also be associated
with neurological diseases.