Neurotrophins and Cocaine-Induced Neuronal Plasticity
神经营养素和可卡因诱导的神经元可塑性
基本信息
- 批准号:6738319
- 负责人:
- 金额:$ 3.55万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2004
- 资助国家:美国
- 起止时间:2004-09-17 至 2008-09-16
- 项目状态:已结题
- 来源:
- 关键词:antisense nucleic acidbrain derived neurotrophic factorcentral nervous system stimulantscocainecravingdrug habituationgene expressiongene induction /repressionlaboratory ratneural plasticityneurotrophic factorsnucleus accumbensoligonucleotidespredoctoral investigatorprotein quantitation /detectionwestern blottings
项目摘要
DESCRIPTION (provided by applicant):
Repeated exposure to cocaine leads to a progressive and enduring augmentation of locomotor and stereotyped behaviors in rats, a phenomenon known as behavioral sensitization. The neuronal plasticity underlying behavioral sensitization results in the enhancement of the incentive motivational effects of cocaine. Thus, studies examining the mechanisms underlying behavioral sensitization could provide new insight into plasticity in the CNS that may help elucidate the mechanisms underlying the shift to compulsive drug use among human psychostimulant addicts and lead to the development of novel pharmacological treatments for these diseases. Neurotrophin-3 (NT-3) and brain derived neurotrophic factor (BDNF) have been linked to the initiation and expression of cocaine-induced behavioral sensitization. The goal of this grant application is 1) to assess the influence of acute and repeated injections of cocaine on the expression of NT-3 and BDNF in the neostriatum, core and shell of the nucleus accumbens; and ii) to assess the effect of antisense oligonucleotide suppression of TrkB and TrkC receptor expression in the neostriatum, core or shell of the nucleus accumbens on cocaine-induced behavioral sensitization.
描述(由申请人提供):
反复接触可卡因会导致大鼠运动和刻板行为的持续性增强,这种现象被称为行为敏化。行为敏化的神经可塑性导致可卡因的激励性动机效应增强。因此,研究行为敏感化的潜在机制可以为CNS的可塑性提供新的见解,这可能有助于阐明人类精神兴奋剂成瘾者转向强迫性药物使用的潜在机制,并导致这些疾病的新型药物治疗的发展。神经营养素-3(NT-3)和脑源性神经营养因子(BDNF)与可卡因诱导的行为敏化的启动和表达有关。该资助申请的目的是1)评估可卡因的急性和重复注射对新纹状体、核壳和核芯中NT-3和BDNF表达的影响;和ii)评估新纹状体、核壳和核芯中TrkB和TrkC受体表达的反义寡核苷酸抑制对可卡因诱导的行为敏化的影响。
项目成果
期刊论文数量(0)
专著数量(0)
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会议论文数量(0)
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Guohua Yue其他文献
Guohua Yue的其他文献
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{{ truncateString('Guohua Yue', 18)}}的其他基金
Neurotrophins and Cocaine-Induced Neuronal Plasticity
神经营养素和可卡因诱导的神经元可塑性
- 批准号:
6952773 - 财政年份:2004
- 资助金额:
$ 3.55万 - 项目类别:
Neurotrophins and Cocaine-Induced Neuronal Plasticity
神经营养素和可卡因诱导的神经元可塑性
- 批准号:
7124250 - 财政年份:2004
- 资助金额:
$ 3.55万 - 项目类别:
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