We have analyzed the effects of environmental enrichment (EE) in a seizure-prone mouse model in which the genetic disruption of the presynaptic protein Bassoon leads to structural and functional alterations in the hippocampus and causes early spontaneous seizures mimicking human neurodevelopmental disorders. One-month EE starting at P21 reduced seizure severity, preserved long-term potentiation (LTP) and paired-pulse synaptic responses in the hippocampal CA1 neuronal population and prevented the reduction of spine density and dendrite branching of pyramidal neurons. These data demonstrate that EE exerts its therapeutic effect by normalizing multiple aspects of hippocampal function and provide experimental support for its use in the optimization of existent treatments. (C) 2014 Elsevier Inc. All rights reserved.

Environmental enrichment restores CA1 hippocampal LTP and reduces severity of seizures in epileptic mice

Ghiglieri V;Picconi B;
2014-01-01

Abstract

We have analyzed the effects of environmental enrichment (EE) in a seizure-prone mouse model in which the genetic disruption of the presynaptic protein Bassoon leads to structural and functional alterations in the hippocampus and causes early spontaneous seizures mimicking human neurodevelopmental disorders. One-month EE starting at P21 reduced seizure severity, preserved long-term potentiation (LTP) and paired-pulse synaptic responses in the hippocampal CA1 neuronal population and prevented the reduction of spine density and dendrite branching of pyramidal neurons. These data demonstrate that EE exerts its therapeutic effect by normalizing multiple aspects of hippocampal function and provide experimental support for its use in the optimization of existent treatments. (C) 2014 Elsevier Inc. All rights reserved.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12078/689
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