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Current Pharmaceutical Design

Editor-in-Chief

ISSN (Print): 1381-6128
ISSN (Online): 1873-4286

Erythropoietin: A Neuroprotective Agent in Cerebral Hypoxia, Neurodegeneration, and Epilepsy

Author(s): Amalia Merelli, Liliana Czornyj and Alberto Lazarowski

Volume 19, Issue 38, 2013

Page: [6791 - 6801] Pages: 11

DOI: 10.2174/1381612811319380011

Price: $65

Abstract

Neuronal damage secondary to brain injuries such as cerebral hypoxia, seizures as well as neurodegenerative process, may include pro-inflammatory changes. The activation of a common mechanism related to survival or cell death, mediated by the stabilization and trans-activation of Hypoxia-Inducible Factor 1 (HIF-1), has been observed in these conditions. HIF-1 may induce over expression of P-glycoprotein, the product multidrug-resistance gene (MDR-1), both on blood-brain barrier as well as on the cerebral damaged cells, producing the refractoriness to therapeutic strategies for neuroprotection. However, in these same cells, HIF-1 can also induce the expression of erythropoietin receptor (Epo-R). Irrespective of its known properties on hematopoiesis, it was proposed that erythropoietin can trigger neuroprotective mechanisms mediated by Epo-R activation. Brain hypoxia, epilepsy, neurodegeneration and inflammation, can share the induction of Epo-R and several other growth factor receptors as well as signal transductions pathways after HIF-1 transactivation. Perhaps, the use of the intranasal route for the exogenous administration of Epo, (or other biological compounds) could help neuroprotection as well as to repair the brain areas damaged.

Keywords: Cerebral hypoxia, neurodegenration, refractory epilepsy, erythropoietin, HIF-1, P-Glycoprotein


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