نتایج جستجو برای: hippocampal neurons
تعداد نتایج: 198114 فیلتر نتایج به سال:
Abstract The hippocampal mossy fiber synapse is a key of the trisynaptic circuit. Post-tetanic potentiation (PTP) most powerful form plasticity at this synaptic connection. It widely believed that PTP an entirely presynaptic phenomenon, implying induction input-specific, and requires neither activity multiple inputs nor stimulation postsynaptic neurons. To directly test cooperativity associativ...
The effect of venlafaxine on the expression of brain-derived neurotrophic factor (BDNF) in rat hippocampal neurons was studied, as well as its inhibitory effect on apoptosis of hippocampal neurons. Differences in behavioral ability between the depression model group and the venlafaxine treatment group were observed in behavioral, sucrose-water and open field tests. The rat hippocampal tissue wa...
A fine structure of the hippocampus is required for proper functions, and disruption of this formation by neuronal migration defects during development may play a role in some psychiatric illnesses. During hippocampal development in rodents, pyramidal neurons in the Ammon's horn are mostly generated in the ventricular zone (VZ), spent as multipolar cells just above the VZ, and then migrate radi...
Traumatic brain injury (TBI) increases hippocampal neurogenesis, which may contribute to cognitive recovery after injury. However, it is unknown whether TBI-induced adult-born neurons mature normally and functionally integrate into the hippocampal network. We assessed the generation, morphology, and synaptic integration of new hippocampal neurons after a controlled cortical impact (CCI) injury ...
Traumatic brain injury (TBI) increases hippocampal neurogenesis, which may contribute to cognitive recovery after injury. However, it is unknown whether TBI-induced adult-born neurons mature normally and functionally integrate into the hippocampal network. We assessed the generation, morphology, and synaptic integration of new hippocampal neurons after a controlled cortical impact (CCI) injury ...
The dentate gyrus (DG), a hippocampal subregion, continuously produces new neurons in the adult mammalian brain that become functionally integrated into existing neural circuits. To what extent this form of plasticity contributes to memory functions remains to be elucidated. Using mapping of activity-dependent gene expression, we visualized in mice injected with the birthdating marker 5-bromo-2...
Objective(s):The present study investigated the effect of long-term mild cerebral hypoperfusion induced by permanent unilateral (right) common carotid artery occlusion (UCO) on the dorsal hippocampal neurons in rats. Materials and Methods:Sixty four male Sprague-Dawley rats aged 4 months were divided into two groups of sham and UCO. These two groups were further divided into 4 sets of histopath...
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