Dopamine Receptor Supports the Potentiation of Intrinsic Excitability and Synaptic LTD in Temporoammonic-CA1 Synapse.

IF 1.8 4区 医学 Q3 MEDICINE, RESEARCH & EXPERIMENTAL
Hye-Hyun Kim, Suk-Ho Lee, Won-Kyung Ho, Kisang Eom
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引用次数: 1

Abstract

Dopaminergic projection to the hippocampus from the ventral tegmental area or locus ceruleus has been considered to play an essential role in the acquisition of novel information. Hence, the dopaminergic modulation of synaptic plasticity in the hippocampus has been widely studied. We examined how the D1 and D2 receptors influenced the mGluR5-mediated synaptic plasticity of the temporoammonic-CA1 synapses and showed that the dopaminergic modulation of the temporoammonic-CA1 synapses was expressed in various ways. Our findings suggest that the dopaminergic system in the hippocampal CA1 region regulates the long-term synaptic plasticity and processing of the novel information.

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多巴胺受体支持颞氨- ca1突触内在兴奋性和突触限制的增强。
从腹侧被盖区或蓝斑向海马的多巴胺能投射被认为在获取新信息中起着至关重要的作用。因此,多巴胺能对海马突触可塑性的调节已被广泛研究。我们研究了D1和D2受体如何影响mglur5介导的颞氨- ca1突触的突触可塑性,并表明多巴胺能调节颞氨- ca1突触的表达方式多种多样。我们的研究结果表明,海马CA1区的多巴胺能系统调节突触的长期可塑性和新信息的加工。
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来源期刊
Experimental Neurobiology
Experimental Neurobiology Neuroscience-Cellular and Molecular Neuroscience
CiteScore
4.30
自引率
4.20%
发文量
29
期刊介绍: Experimental Neurobiology is an international forum for interdisciplinary investigations of the nervous system. The journal aims to publish papers that present novel observations in all fields of neuroscience, encompassing cellular & molecular neuroscience, development/differentiation/plasticity, neurobiology of disease, systems/cognitive/behavioral neuroscience, drug development & industrial application, brain-machine interface, methodologies/tools, and clinical neuroscience. It should be of interest to a broad scientific audience working on the biochemical, molecular biological, cell biological, pharmacological, physiological, psychophysical, clinical, anatomical, cognitive, and biotechnological aspects of neuroscience. The journal publishes both original research articles and review articles. Experimental Neurobiology is an open access, peer-reviewed online journal. The journal is published jointly by The Korean Society for Brain and Neural Sciences & The Korean Society for Neurodegenerative Disease.
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