1999
DOI: 10.1523/jneurosci.19-22-j0005.1999
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t  Progressive Unilateral Damage of the Entorhinal Cortex Enhances Synaptic Efficacy of the Crossed Entorhinal Afferent to Dentate Granule Cells

Abstract: Progressive injury to the mammalian CNS often reduces the severity of lesion-induced deficits or spares the behavior from deficits altogether. The mechanism(s) underlying this behavioral sparing is not clearly understood, but axonal sprouting is a likely candidate. To test this possibility, unilateral, two-stage (progressive) lesions of the entorhinal cortex, which are known to accelerate sprouting by the crossed temporodentate pathway and spare spatial memory function, were made in rats. We examined the chang… Show more

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Cited by 4 publications
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“…Perforant path efferents to the hippocampus, a seat of declarative memory, degenerate early in AD, with variable compensatory sprouting (16,20). Because the level of axonal sprouting can blunt memory loss from ECL in rat models (21,22), benefits of E2 in hormone therapy (HT) could include perforant path sprouting. However, progestins in HT could counteract possible benefits of E2.…”
mentioning
confidence: 99%
“…Perforant path efferents to the hippocampus, a seat of declarative memory, degenerate early in AD, with variable compensatory sprouting (16,20). Because the level of axonal sprouting can blunt memory loss from ECL in rat models (21,22), benefits of E2 in hormone therapy (HT) could include perforant path sprouting. However, progestins in HT could counteract possible benefits of E2.…”
mentioning
confidence: 99%