Connexin 43 Modulates Regulated Exocytosis
连接蛋白 43 调节胞吐作用
基本信息
- 批准号:10164801
- 负责人:
- 金额:$ 33.41万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2019
- 资助国家:美国
- 起止时间:2019-09-01 至 2023-05-31
- 项目状态:已结题
- 来源:
- 关键词:AddressAffectAffinity ChromatographyAgonistAlzheimer&aposs DiseaseAstrocytesBinding SitesBiologyBradykininBrainBrain DiseasesCell Culture TechniquesCell membraneCellsClathrinCommunicationConflict (Psychology)Connexin 43ConnexinsCoupledDataDeletion MutationDiseaseEndocytosisEnsureExocytosisFluorescence MicroscopyGap JunctionsGlutamate ReceptorGlutamatesHealthHigh Pressure Liquid ChromatographyImageInfectionInterventionInvestigationIschemiaKnock-outLaboratoriesLearningLifeLinkLiteratureLocationMediatingMemoryMicroscopyMicrotubule ProteinsMicrotubule StabilizationMicrotubulesMolecularMolecular TargetMultiple SclerosisMutationNeuronsOsteoblastsPHluorinPharmacologyProcessProteinsProteomicsReproducibilityResolutionRespirationRetrievalRoleSecretory VesiclesSeizuresSignal TransductionSiteSliceStrokeStructural ProteinSynapsesSynaptic TransmissionTechniquesTestingTraumatic Brain InjuryTubulinVAMP-2VesicleWorkbonecell typedepolymerizationdesigner receptors exclusively activated by designer drugsexperimental studyinsightinterestnovelsleep regulationsubcellular targetingtandem mass spectrometryvesicular releasevirtual
项目摘要
Abstract
Astrocyte-neuron signaling, a.k.a. gliotransmission, can modulate synaptic transmission/plasticity at
tripartite synapses. Among the processes regulated by gliotransmission are sleep-regulation, respiration, and
learning/memory. Despite these roles of gliotransmission in such fundamental life processes, its mechanism is
not understood. Elucidating this mechanism should provide insights into basic brain processes, and suggest
interventions when they go awry. Two early studies of astrocyte-neuron signaling explored the hypothesis that
astrocytic glutamate release acts on neuronal glutamate receptors, but they led to different conclusions
regarding the mechanism. One study concluded that glutamate is not the messenger but instead suggested
that gap junctions might mediate astrocyte-neuron signaling. The other study concluded that the signaling is
mediated by Ca2+-dependent glutamate release from astrocytes, subsequently shown to occur by regulated
exocytosis of glutamate-containing vesicles. Virtually nothing is known about the subcellular
distribution/localization of astrocyte release sites. It is not clear if they are localized uniquely to the tripartite
synaptic regions of astrocytes or more broadly. There is much debate about the relative roles of exocytosis vs.
gap junction-mediated communication as critical for astrocyte-neuron signals. Our preliminary data point to a
novel, unifying hypothesis that these two mechanisms are, in fact, mechanistically linked.
摘要
项目成果
期刊论文数量(0)
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VLADIMIR PARPURA其他文献
VLADIMIR PARPURA的其他文献
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{{ truncateString('VLADIMIR PARPURA', 18)}}的其他基金
The Role of Astroglia in the Enteric Nervous System and Gut Function
星形胶质细胞在肠神经系统和肠道功能中的作用
- 批准号:
8775246 - 财政年份:2013
- 资助金额:
$ 33.41万 - 项目类别:
The Role of Astroglia in the Enteric Nervous System and Gut Function
星形胶质细胞在肠神经系统和肠道功能中的作用
- 批准号:
8619205 - 财政年份:2013
- 资助金额:
$ 33.41万 - 项目类别:
Calcium-dependent glutamate release from astrocytes
星形胶质细胞钙依赖性谷氨酸释放
- 批准号:
7429719 - 财政年份:2004
- 资助金额:
$ 33.41万 - 项目类别:
Calcium-dependent glutamate release from astrocytes
星形胶质细胞钙依赖性谷氨酸释放
- 批准号:
7252699 - 财政年份:2004
- 资助金额:
$ 33.41万 - 项目类别:
Calcium-dependent glutamate release from astrocytes
星形胶质细胞钙依赖性谷氨酸释放
- 批准号:
7078523 - 财政年份:2004
- 资助金额:
$ 33.41万 - 项目类别:
Calcium-dependent glutamate release from astrocytes
星形胶质细胞钙依赖性谷氨酸释放
- 批准号:
6892062 - 财政年份:2004
- 资助金额:
$ 33.41万 - 项目类别:
Calcium-dependent glutamate release from astrocytes
星形胶质细胞钙依赖性谷氨酸释放
- 批准号:
7477589 - 财政年份:2004
- 资助金额:
$ 33.41万 - 项目类别:
Calcium-dependent glutamate release from astrocytes
星形胶质细胞钙依赖性谷氨酸释放
- 批准号:
6822708 - 财政年份:2004
- 资助金额:
$ 33.41万 - 项目类别:
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