نتایج جستجو برای: Hippocampal CA3 region
تعداد نتایج: 578345 فیلتر نتایج به سال:
objective(s):to determine the effect of acetylcholine (ach), pilocarpine, and atropine on pain evoked responses of pain excited neurons (pen) and pain inhibited neurons (pin) in hippocampal ca3 region of morphine addicted rats. materials and methods:female wistar rats, weighing between 230-260 g were used in this study. morphine addicted rats were generated by subcutaneous injection of increasi...
Objective(s):To determine the effect of acetylcholine (ACh), pilocarpine, and atropine on pain evoked responses of pain excited neurons (PEN) and pain inhibited neurons (PIN) in hippocampal CA3 region of morphine addicted rats. Materials and Methods:Female Wistar rats, weighing between 230-260 g were used in this study. Morphine addicted rats were generated by subcutaneous injection of increasi...
Objective(s): Nuclear receptor-related protein 1 (Nurr1), one of immediate-early genes, is a member of orphan nuclear receptor family. The aim of this study was to investigate the time-dependent change of Nurr1 protein expression in the mouse hippocampal CA3 region following kainic acid (KA)-induced excitotoxic neuronal damage.Materials and Methods:</...
background and objectives: hippocampal volume reduction has been reported in diabetes mellitus type 1. it is believed that hyperglycemia and oxidative stress mediate neuropathological changes in hippocampal neurons. in this study we aimed to study the effect of insulin and an antioxidant like ascorbic acid on preventing volume changes of dentate gyrus and ca3 region of hippocampus. materials an...
This study examined intermittent, high-frequency (100-200 Hz) oscillatory patterns in the CA1 region of the hippocampus in the absence of theta activity, i.e., during and in between sharp wave (SPW) bursts. Pyramidal and interneuronal activity was phase-locked not only to large amplitude (>7 SD from baseline) oscillatory events, which are present mainly during SPWs, but to smaller amplitude (<4...
Synchronized discharges in the hippocampal CA3 recurrent network are supposed to underlie network oscillations, memory formation and seizure generation. In the hippocampal CA3 network, NMDA receptors are abundant at the recurrent synapses but scarce at the mossy fiber synapses. We generated mutant mice in which NMDA receptors were abolished in hippocampal CA3 pyramidal neurons by postnatal day ...
Background and Objectives: Hippocampal volume reduction has been reported in diabetes mellitus type 1. It is believed that hyperglycemia and oxidative stress mediate neuropathological changes in hippocampal neurons. In this study we aimed to study the effect of insulin and an antioxidant like ascorbic acid on preventing volume changes of dentate gyrus and CA3 region of hippocampus. Material...
effects of ginkgo biloba extract on the structure of cornu ammonis in aged rat: a morphometric study
objective(s):growing evidence indicates that extract of ginkgo biloba (egb) attenuates hippocampal-dependent memory deficit in aged individuals; however, very little is known about the effect of egb on the structure of hippocampus. therefore we examined the egb-induced morphological changes of the cornu ammonis (ca) region in aged rats. materials and methods: sixteen aged male wistar rats, 24 m...
Effects of Ginkgo biloba extract on the structure of Cornu Ammonis in aged rat: A morphometric study
Objective(s):Growing evidence indicates that extract of Ginkgo biloba (EGb) attenuates hippocampal-dependent memory deficit in aged individuals; however, very little is known about the effect of EGb on the structure of hippocampus. Therefore we examined the EGb-induced morphological changes of the Cornu Ammonis (CA) region in aged rats. Materials and Methods: Sixteen aged male Wistar rats, 24 ...
OBJECTIVES To determine the effect of acetylcholine (ACh), pilocarpine, and atropine on pain evoked responses of pain excited neurons (PEN) and pain inhibited neurons (PIN) in hippocampal CA3 region of morphine addicted rats. MATERIALS AND METHODS Female Wistar rats, weighing between 230-260 g were used in this study. Morphine addicted rats were generated by subcutaneous injection of increasi...
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