نتایج جستجو برای: gabaergic neuron
تعداد نتایج: 73309 فیلتر نتایج به سال:
This article throws new light on the possible role of synapses in information transmission through theoretical analysis and computer simulations. We show that the internal dynamic state of a synapse may serve as a transient memory buffer that stores information about the most recent segment of the spike train that was previously sent to this synapse. This information is transmitted to the posts...
Basal forebrain GABAergic and cholinergic circuits regulate the activity of cholinergic projections to the cortex and hippocampus. Because these projections influence cortical development and function, the development of basal forebrain excitatory and inhibitory neurons is critical for overall brain development. We show that the neurotransmitter phenotype of these neurons is developmentally reg...
Features and functions of long-range GABAergic projection neurons in the developing cerebral cortex have been reported previously, although until now their significance in the adult cerebral cortex has remained uncertain. The septo-hippocampal circuit is one exception - in this system, long-range mature GABAergic projection neurons have been well analyzed and their contribution to the generatio...
Background Endometriosis is a common gynecological disease, can cause severe pelvic pain. Studies demonstrated the presence of sensory nerve fibers in endometrium of endometriosis patient. Nevertheless, no information is available on mechanisms of sensory nerve formation in eutopic or ectopic lesions. Since HOX genes have important roles in both reproductive tract and nerve growth, we decided t...
The neuron-specific K-Cl cotransporter, KCC2, induces a developmental shift to render GABAergic transmission from depolarizing to hyperpolarizing. Now we demonstrate that KCC2, independently of its Cl(-) transport function, is a key factor in the maturation of dendritic spines. This morphogenic role of KCC2 in the development of excitatory synapses is mediated by structural interactions between...
Post-mortem studies suggested a disturbance of the GABAergic system in schizophrenia. Neonatal ventral hippocampal-lesioned (NVHL) rats were used as a neurodevelopmental model of schizophrenia. Here, we characterized the GABAergic system, focusing on the GABA-synthesizing enzyme, GAD67, GABAergic interneuron characteristic proteins, and the GABA transporter, gat-1. As the GABAergic system is cr...
The type of vesicular transporter expressed by a neuron is thought to determine its neurotransmitter phenotype. We show that inactivation of the vesicular inhibitory amino acid transporter (Viaat, VGAT) leads to embryonic lethality, an abdominal defect known as omphalocele, and a cleft palate. Loss of Viaat causes a drastic reduction of neurotransmitter release in both GABAergic and glycinergic...
Drebrin A, one of the most abundant neuron-specific F-actin-binding proteins, is found exclusively in dendrites and is particularly concentrated in dendritic spines receiving excitatory inputs. We investigated the role of drebrin A in synaptic transmission and found that overexpression of drebrin A augmented the glutamatergic synaptic transmission, probably through an increase of active synapti...
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