Hippocampal CA1 pyramidal neurons undergo delayed neurodegeneration after transient forebrain ischemia, and the phenomenon is dependent upon hyperactivation of l-alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate (AMPA) subtype of glutamate receptors, resulting in aberrant intracellular calcium influx. The GluR2 subunit of AMPA receptors is critical in limiting the influx of calcium. The CA1 pyramidal neurons are very sensitive to ischemic damage and attempts to achieve neuroprotection, med...Expand abstract
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Prior deafferentation confers long term protection to CA1 against transient forebrain ischemia and sustains GluR2 expression.
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