Using the model of bilateral photothrombosis of the blood vessels in the prefrontal cortex we have shown that new hybrid proteins derived from recombinant human erythropoietin, carbamylated EPO-Fc and EPO-TR fusion proteins, injected intraperitoneally 1 h after ischemic injury contribute to restoration of passive avoidance response formed before photothrombotic injury and reduction in the volume of the ischemic focus. These data attest to nootropic and neuroprotective activities of these hybrid proteins. Carbamylated glycopeptide derivative ЕPO-TR exhibited prolonged neuroprotective properties.
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