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Erythropoietin improves synaptic transmission during and following ischemia in rat hippocampal slice cultures
Astrid Weber1, Rolf F Maier, Ulrike Hoffmann
1Department of Neonatology, Charité, Humboldt University Berlin, Campus Virchow-Klinikum, Augustenburger Platz 1, D-13353 Berlin, Germany. astrid.weber@charite.de
Abstract:
Erythropoietin (EPO) prevents neuronal damage following ischemic, metabolic, and excitotoxic stress. In this study evoked extracellular field potentials (FP) were used to investigate the effect of EPO on synaptic transmission in hippocampal slice cultures. EPO treated cultured slices (40 units/ml for 48 h) showed significantly increased FP during and following oxygen and glucose deprivation compared with untreated control slices. The addition of the Jak2 inhibitor AG490 (50 microM for 48 h) blocked the EPO effect. These data suggest that EPO improves synaptic transmission during and following ischemia in hippocampal slice cultures.
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