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Hippocampal sclerosis (HS) in Temporal Lobe Epilepsy (TLE) shows neuronal death in cornu ammonis (CA)1, CA3, and CA4. It is known that granule cells and CA2 neurons survive and their axons, the mossy fibers (MF), lose their target cells in CA3 and CA4 and sprout to the granule cell layer and molecular layer. We examined in TLE patients and in a mouse epilepsy model, whether MF sprouting is directed...
Purpose: Temporal lobe epilepsy is often accompanied by neuron loss and rewiring in the hippocampus. We hypothesized that the interaction of subnetworks of the entorhinal–hippocampal loop between epileptic events should show significant signatures of these pathologic changes.
Methods: We combined simultaneous recording of local field potentials in entorhinal cortex (EC) and dentate gyrus (DG) in...
Activated astrocytes display a broad spectrum of properties, ranging from neuroprotection to active contribution to demise of neural tissue. To investigate if activation of astrocytes by a single, defined stimulus enhances neuroprotective properties, we tested whether injection of ciliary neurotrophic factor (CNTF) can ameliorate epilepsy-related brain damage. Intrahippocampal CNTF injection in mice...
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