Bonaventure W Magrys

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The effects of repeated neonatal seizures on metabotropic glutamate receptors (mGluRs) during critical periods of brain development are unknown. Therefore, we characterized the expression of Group I (mGluR1 and mGluR5) and Group II (mGluR2/3) metabotropic glutamate receptor proteins in the developing limbic system in response to a varied neonatal seizure(More)
Ca2+ currents are thought to enhance glutamate excitotoxicity. To investigate whether reduced expression of the Ca2+ limiting GluR2(B) subunit enhances seizure-induced vulnerability to either CA1 or CA3 neurons, we delivered GluR2(B) oligodeoxynucleotides (AS-ODNs) to the dorsal hippocampus of adult rats before inducing kainate (KA) seizures. After(More)
The effects of single versus multiple episodes of status epilepticus on the expression of AMPA receptors during a critical growth spurt are unknown. To determine whether the pattern of hippocampal AMPA receptor subunit expression depends upon the age of the animal, timing and number of perinatal seizures, we characterized maturational changes in AMPA(More)
NMDA receptors (NMDARs) are important for the propagation of seizures. To understand the role of NR1 subunits in the propagation of seizures we knocked down the NR1 subunit by intracranial injection of antisense deoxyoligonucleotides (NR1-AS-ODNs) into the right hippocampus during a window of maximal seizure susceptibility in development. Control missense(More)
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