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Region Hovedstaden - en del af Københavns Universitetshospital
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Plasmodium berghei ANKA: erythropoietin activates neural stem cells in an experimental cerebral malaria model

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Cerebral malaria (CM) causes substantial mortality and neurological sequelae in survivors, and no neuroprotective regimens are currently available for this condition. Erythropoietin (EPO) reduces neuropathology and improves survival in murine CM. Using the Plasmodium berghei model of CM, we investigated if EPO's neuroprotective effects include activation of endogenous neural stem cells (NSC). By using immunohistochemical markers of different NSC maturation stages, we show that EPO increased the number of nestin(+) cells in the dentate gyrus and in the sub-ventricular zone of the lateral ventricles, relative to control-treatment. 75% of the EPO-treated CM mice displayed migration as nestin(+) NSC. The NSC showed differentiation towards a neural cell lineage as shown by PSA-NCAM binding and NSC maturation and lineage commitment was significantly affected by exogenous EPO and by CM in the sub ventricular zone. These results indicate a rapid, EPO-dependent activation of NSC during CM pathology.
OriginalsprogEngelsk
TidsskriftExperimental Parasitology
Vol/bind127
Udgave nummer2
Sider (fra-til)500-5
Antal sider6
ISSN0014-4894
DOI
StatusUdgivet - 1 feb. 2011

ID: 32665989