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We used transmission electron microscopy to study ultrastructural changes accompanying synaptogenesis in the fetal and postnatal mouse visual cortex (primary visual cortex). Immunostaining and DiI diolistic assay were also employed in order to evaluate synaptophysin expression and dendritic spine development. Nascent synapses were seen as early as E15,(More)
AIMS To study the long-term changes of dendritic spine and synapse taking place in a mouse model of fetal alcohol spectrum disorders (FASDs). METHODS Pregnant mice were intubated daily with ethanol (EtOH) from E5 to parturition. A DiI diolistic method was used to label dendritic spines of pyramidal cells in the visual cortex of EtOH-exposed and control(More)
The entorhino-hippocampal pathway is the major excitatory input from neurons of the entorhinal cortex on both ipsilateral and contralateral hippocampus/dentate gyrus. This fiber tract consists of the alvear path, the perforant path and a crossed commissural projection. In this study, the histogenesis and development of the various subsets of the(More)
Objective The entorhino-hippocampal pathway is the major excitatory input from neurons of the entorhinal cortex on both ipsilateral and contralateral hippocampus/dentate gyrus. This fiber tract consists of the alvear path, the perforant path and a crossed commissural projection. In this study, the histogenesis and development of the various subsets of the(More)
The prenatal ethanol exposure induced the alterations of dendritic spine and synapse in visual cortex and their long-term effect would be investigated in mice from P0 to P30. Pregnant mice were intubated ethanol daily from E5 through the pup's birth to establish mode of prenatal alcohol abuse. The dendritic spines of pyramidal cells in visual cortex of pups(More)
The importance of reelin for cortical lamination in the developing CNS is well established, but its role in nerve fiber growth is not well understood. In this study, hippocampal slices were co-cultured with entorhinal slices of GFP mice, in order to compare the growth of the entorhino-hippocampal path in wild type and reeler mice. On day 6, regenerated(More)
Tumor necrosis factor-related apoptosis-inducing ligand or Apo2 ligand is a member of the tumor necrosis factor superfamily of cytokines that induces apoptosis upon binding to its death domain-containing transmembrane receptors, death receptors 4 and 5 (DR4, DR5). However, DR5 is also expressed in the developing CNS where it appears to play a role unrelated(More)
Cajal-Retzius cells are reelin-secreting neurons in the marginal zone of the neocortex and hippocampus. The aim of this study was to investigate Cajal-Retzius cells in Alzheimer's disease pathology. Results revealed that the number of Cajal-Retzius cells markedly reduced with age in both wild type and in mice over-expressing the Swedish double mutant form(More)
OBJECTIVE To investigate the relations between neuroapoptosis and the onset and development of Alzheimer's disease (AD), especially the role of NF-kappaB in the regulation of neuroapoptosis. METHODS Caspase-3 and NF-kappaB (p50) expressions in the CA3 region of the hippocampus in APPswe Tg2576 transgenic mice were studied from postnatal day 0-180, using(More)
Objective To investigate the relations between neuroapoptosis and the onset and development of Alzheimer's disease (AD), especially the role of NF-κB in the regulation of neuroapoptosis. Methods Caspase-3 and NF-κB (p50) expressions in the CA3 region of the hippocampus in APPswe Tg2576 transgenic mice were studied from postnatal day 0-180, using Nissl(More)