Regulation of alpha7 nAChRs and NACHO
α7 nAChR 和 NACHO 的调节
基本信息
- 批准号:10588167
- 负责人:
- 金额:$ 7.13万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-03-15 至 2024-02-29
- 项目状态:已结题
- 来源:
- 关键词:AcetylcholineAffectAlzheimer&aposs DiseaseAttentionBrainCell membraneCellsClientComplexDevelopmentDiseaseDrosophila genusEndoplasmic ReticulumEpilepsyEventFunctional disorderFutureGatekeepingGoalsGolgi ApparatusHomeostasisHumanLearningMammalsMediatingMemoryMental DepressionMicroscopyMolecularMolecular ChaperonesMolecular GeneticsMotor ActivityNeuronsNicotineNicotine DependenceNicotinic ReceptorsPathologicPathologyPathway interactionsPhysiological ProcessesPlayProteinsReceptor SignalingReceptor Up-RegulationRegulationRoleSchizophreniaSeizuresSignal TransductionStudy modelsSurfaceSynapsesSynaptic plasticitySystemTestingTherapeuticTimeUp-Regulationalpha-bungarotoxin receptorcholinergicgenetic approachin vivoinsightmutantnervous system disorderneuralneuropsychiatryoverexpressionpostsynapticpresynapticreceptorreceptor upregulationrecruitresponsetargeted treatmenttrafficking
项目摘要
Tsunoda, Susan
Project Summary
Nicotinic acetylcholine receptors (nAChRs) are involved in a wide range of physiological processes, from
motor activity to complex brain functions, including learning/memory function and attention. nAChRs have also
been shown to mediate homeostatic synaptic plasticity (HSP), a protective mechanism stabilizing neural activity.
As such, dysfunction or loss of nAChRs has been implicated in a variety of neurological diseases. For example,
the α7 nAChR has been implicated in Alzheimer’s Disease, nicotine addiction, nicotine-induced seizures, as well
as schizophrenia. Indeed, enhancing nAChR signaling is a long-validated approach to treating multiple
neuropsychiatric/pathological disorders. Despite this importance, much remains to be understood about how
nAChRs are assembled and trafficked to the plasma membrane in neurons, especially when neurons encounter
changes in activity. The proposed studies focus on NACHO, a newly identified endoplasmic reticulum (ER)-
resident protein, shown to be a client-specific chaperone of nAChRs, and essential for trafficking α7 nAChRs.
We use molecular-genetic approaches in Drosophila to overcome some of the limitations of studying intracellular
α7 nAChRs in mammalian neurons. We: 1) examine the temporal relationship of NACHO and α7 nAChR up-
regulation during HSP, 2) test whether NACHO and α7 depend on one another during HSP and whether one is
sufficient to up-regulate the other, and 3) examine how the localization of α7 and NACHO in the ER/Gogli
changes during HSP.
Tsunoda,Susan
项目摘要
烟碱型乙酰胆碱受体(nAChR)参与广泛的生理过程,从
运动活动,复杂的大脑功能,包括学习/记忆功能和注意力。nAChR还
已经显示出介导稳态突触可塑性(HSP),一种稳定神经活动的保护机制。
因此,nAChR的功能障碍或丧失已经涉及多种神经系统疾病。比如说,
α7 nAChR也与阿尔茨海默病、尼古丁成瘾、尼古丁诱导的癫痫发作有关
精神分裂症事实上,增强nAChR信号传导是一种长期有效的治疗多发性骨髓瘤的方法。
神经精神/病理学障碍。尽管如此重要,关于如何做到这一点,
nAChR在神经元中组装并运输到质膜,特别是当神经元遇到
活动的变化。拟议的研究集中在NACHO,一种新发现的内质网(ER)-
常驻蛋白,显示为nAChR的客户特异性伴侣,并且对于运输α7 nAChR是必需的。
我们在果蝇中使用分子遗传学方法来克服研究细胞内
哺乳动物神经元中的α7 nAChRs。我们:1)检查NACHO和α7 nAChR的时间关系,
2)测试HSP期间NACHO和α7是否相互依赖,以及是否有一个是
足以上调另一个,和3)检查α7和NACHO在ER/Gogli中的定位
HSP期间的变化。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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SUSAN L TSUNODA其他文献
SUSAN L TSUNODA的其他文献
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