Effect of nicotine self-administration on endocannabinoids & related lipids
尼古丁自我给药对内源性大麻素的影响
基本信息
- 批准号:8476208
- 负责人:
- 金额:$ 5.57万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2011
- 资助国家:美国
- 起止时间:2011-06-01 至 2014-05-31
- 项目状态:已结题
- 来源:
- 关键词:2-arachidonylglycerolAddressAffectAnimalsBehaviorBehavior assessmentBehavioralBiochemicalBiological AssayBrainBrain regionCannabinoidsCessation of lifeChronicDevelopmentDisease modelDoseEndocannabinoidsEthanolaminesEvaluationEventFatty AcidsFellowshipGlycerolGoalsHydrolaseIndividualInnovative TherapyIntakeLeadLigandsLipaseLipidsMass Spectrum AnalysisMeasurementMediatingMetabolismMonoacylglycerol LipasesNeuraxisNeuronsNeurotransmittersNicotineNicotine WithdrawalOutcomePathway interactionsPeroxisome Proliferator-Activated ReceptorsPharmaceutical PreparationsProcessPsychological reinforcementRattusReceptor ActivationRelapseRelative (related person)RewardsRoleScheduleSelf AdministrationSignal TransductionSynapsesSystemTechniquesTetrahydrocannabinolTherapeuticTissuesTobaccoTobacco useVentral Tegmental AreaWithdrawal Symptomactivity-based protein profilinganandamidecannabinoid receptorclinically relevantdrug of abuseenzyme activityinhibitor/antagonistinterdisciplinary approachinterstitialneurotransmitter releasenew therapeutic targetnicotine abusereceptorresearch studyresponsesuccessvanilloid receptor subtype 1
项目摘要
DESCRIPTION (provided by applicant): The use of tobacco products is one of leading causes of preventable death worldwide. The psychoactive effects of tobacco have been attributed primarily to its content of the bioactive substance nicotine. Current therapies decrease the withdrawal symptoms that occur in addicted individuals upon cessation of nicotine intake. However, this approach has had only moderate success rates in reducing relapse in addicted individuals and does not reverse the biochemical changes that occur in the central nervous system after repeated nicotine use. Endocannabinoid (eCB) signaling has been implicated in modulating the induction and expression of reward-related behaviors for nicotine and nearly all other known drugs of abuse, yet our understanding of the roles of specific eCBs that are involved in nicotine reward remains unclear. Interestingly, combined inhibition of monoacylglycerol lipase (MAGL) and fatty acid acyl hydrolase (FAAH), which degrade distinct sets of eCBs, can mimic the classic cannabinoid behaviors caused by tetrahydrocannabinol (THC), whereas inhibiting each pathway alone only causes a unique partial THC-like response. Thus, individual eCBs likely underlie distinct behavioral phenomena, and modulating these pathways may have different therapeutic outcomes. This project will focus on elucidating the specific eCB signaling mechanisms that reinforce nicotine self-administration in rats, as well as the therapeutic potential of FAAH and MAGL inhibition. Aim 1 will evaluate the effect of selective FAAH and MAGL inhibitors on nicotine self-administration. Aim 2 will characterize eCB changes induced by nicotine self-administration. Using this information, Aim 3 will investigate the receptor mechanisms through which eCBs modulate nicotine self-administration. The overall goal of the experiments described here is to characterize eCB-receptor mechanisms reinforcing nicotine behavior, as well as the effects of eCB clearance inhibition (FAAH and MAGL) on nicotine self- administration behavior. A better understanding of these processes should lead to innovative therapies that have direct impact and clinical relevance for reducing nicotine use in addicted individuals.
描述(由申请人提供):烟草制品的使用是全球可预防死亡的主要原因之一。烟草的精神作用主要归因于其生物活性物质尼古丁的含量。目前的治疗方法减少了成瘾个体在停止尼古丁摄入后出现的戒断症状。然而,这种方法在减少成瘾个体的复发方面只有中等成功率,并且不能逆转反复使用尼古丁后中枢神经系统发生的生化变化。内源性大麻素(eCB)信号已被认为与尼古丁和几乎所有其他已知滥用药物的奖励相关行为的诱导和表达的调节有关,但我们对涉及尼古丁奖励的特定eCBs的作用的理解仍不清楚。有趣的是,单酰基甘油脂肪酶(MAGL)和脂肪酸酰基水解酶(FAAH)的联合抑制可以降解不同的eCBs,可以模仿四氢大麻酚(THC)引起的经典大麻素行为,而单独抑制每种途径只会引起独特的部分THC样反应。因此,个体的eCBs可能是不同行为现象的基础,调节这些通路可能会产生不同的治疗结果。本项目将重点阐明加强大鼠尼古丁自我给药的特定eCB信号机制,以及FAAH和MAGL抑制的治疗潜力。目的1将评估选择性FAAH和MAGL抑制剂对尼古丁自我给药的影响。目标2将描述尼古丁自我给药引起的eCB变化。利用这些信息,Aim 3将研究通过eCBs调节尼古丁自我给药的受体机制。本实验的总体目标是描述加强尼古丁行为的eCB受体机制,以及eCB清除抑制(FAAH和MAGL)对尼古丁自我给药行为的影响。更好地了解这些过程应该会导致创新疗法,对减少成瘾个体的尼古丁使用有直接影响和临床意义。
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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Matthew Wallace Buczynski其他文献
Matthew Wallace Buczynski的其他文献
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{{ truncateString('Matthew Wallace Buczynski', 18)}}的其他基金
Anti-nociceptive actions of CART II in chemotherapy-induced peripheral neuropathy
CART II 在化疗引起的周围神经病变中的抗伤害作用
- 批准号:
10719026 - 财政年份:2023
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$ 5.57万 - 项目类别:
The role of the OEA synthase NAPE-PLD in nicotine signaling and reward
OEA 合酶 NAPE-PLD 在尼古丁信号传导和奖励中的作用
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8871705 - 财政年份:2014
- 资助金额:
$ 5.57万 - 项目类别:
The role of the OEA synthase NAPE-PLD in nicotine signaling and reward
OEA 合酶 NAPE-PLD 在尼古丁信号传导和奖励中的作用
- 批准号:
8767654 - 财政年份:2014
- 资助金额:
$ 5.57万 - 项目类别:
Effect of nicotine self-administration on endocannabinoids & related lipids
尼古丁自我给药对内源性大麻素的影响
- 批准号:
8061268 - 财政年份:2011
- 资助金额:
$ 5.57万 - 项目类别:
Effect of nicotine self-administration on endocannabinoids & related lipids
尼古丁自我给药对内源性大麻素的影响
- 批准号:
8371249 - 财政年份:2011
- 资助金额:
$ 5.57万 - 项目类别:
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