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@ARTICLE{Vay:808420,
author = {Vay, S. U. and Blaschke, S. and Klein, R. and Fink, Gereon
Rudolf and Schroeter, M. and Rueger, M. A.},
title = {{M}inocycline mitigates the gliogenic effects of
pro-inflammatory cytokines on neural stem cells},
journal = {Journal of neuroscience research},
volume = {94},
number = {2},
issn = {0360-4012},
address = {New York, NY [u.a.]},
publisher = {Wiley-Liss},
reportid = {FZJ-2016-02243},
pages = {149-160},
year = {2016},
abstract = {Mobilizing endogenous neural stem cells (NSCs) in the adult
brain is designed to enhance the brain's regenerative
capacity after cerebral lesions, e.g., as a result of
stroke. Cerebral ischemia elicits neuroinflammatory
processes affecting NSCs in multiple ways, the precise
mechanisms of which currently remain elusive. An inhibitory
effect of minocycline on microglia activation, a hallmark of
postischemic neuroinflammation, has already been
demonstrated in clinical trials, showing minocycline to be
safe and potentially effective in ischemic stroke. Here we
investigate the direct effects of minocycline and of
proinflammatory cytokines on the differentiation potential
of NSCs in vitro and in vivo. Primary fetal rat NSCs were
treated with minocycline plus a combination of the
proinflammatory cytokines tumor necrosis factor-α,
interleukin 1β, and interleukin 6. The differentiation fate
of NSCs was assessed immunocytochemically. To investigate
the effects of minocycline and inflammation in vivo,
minocycline or lipopolysaccharides were injected
intraperitoneally into adult rats, with subsequent
immunohistochemistry. Minocycline alone did not affect the
differentiation potential of NSCs in vivo or in vitro. In
contrast, proinflammatory cytokines accelerated the
differentiation of NSCs, promoting an astrocytic fate while
inhibiting neurogenesis in vitro and in vivo. It is
interesting to note that minocycline counteracted this
cytokine-induced rapid astrocytic differentiation and
restored the neurogenic and oligodendrogliogenic potential
of NSCs. Data suggest that minocycline antagonizes the rapid
glial differentiation induced by proinflammatory cytokines
following cerebral ischemia but without having a direct
effect on the differentiation potential of NSCs. Thus,
minocycline constitutes a promising drug for stroke
research, counteracting the detrimental effects of
postischemic neuroinflammation in multiple ways.},
cin = {INM-3},
ddc = {570},
cid = {I:(DE-Juel1)INM-3-20090406},
pnm = {572 - (Dys-)function and Plasticity (POF3-572)},
pid = {G:(DE-HGF)POF3-572},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000367066600005},
doi = {10.1002/jnr.23686},
url = {https://juser.fz-juelich.de/record/808420},
}