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Structural changes for adult‐born dentate granule cells after status epilepticus
Author(s) -
Shapiro Lee A.,
Ribak Charles E.,
Jessberger Sebastian
Publication year - 2008
Publication title -
epilepsia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.687
H-Index - 191
eISSN - 1528-1167
pISSN - 0013-9580
DOI - 10.1111/j.1528-1167.2008.01633.x
Subject(s) - status epilepticus , neuroscience , dentate gyrus , granule (geology) , medicine , epilepsy , biology , central nervous system , paleontology
SummaryStatus epilepticus (SE) not only results in an increased number of newly generated neurons in the dentate gyrus but also leads to structural alterations of many of these newborn granule cells. One of the structural changes involving newly generated dentate granule cells is the formation of hilar basal dendrites that persist on mature granule cells and integrate into synaptic circuitry. SE also causes other newborn granule cells to migrate ectopically into the hilus, and these cells also integrate into synaptic circuitry. This article will describe these structural alterations of granule cells found in the dentate gyrus after SE and will also discuss the time course of these events and possible underlying causes.