Examining the impact of circulating endocannabinoid levels on neurocognition, mood, and early cannabis use in youth enrolled in the ABCD Study
检查循环内源性大麻素水平对参加 ABCD 研究的青少年的神经认知、情绪和早期大麻使用的影响
基本信息
- 批准号:10019508
- 负责人:
- 金额:$ 15.27万
- 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:2019-09-30 至 2024-02-29
- 项目状态:已结题
- 来源:
- 关键词:2-arachidonylglycerolAddressAdolescenceAdolescentAdolescent DevelopmentAdultAffectiveAgeAge of OnsetAlcohol or Other Drugs useAnimalsAnxietyBehavioral inhibitionBiological AssayBloodBrainBrain regionCNR1 geneCNR2 geneCannabisCognitiveCorpus striatum structureDataDevelopmentDiagnosisEmotionalEndocannabinoidsEnrollmentFemaleFutureGeographyHealth CampaignHumanKnowledgeLigandsLinkMeasuresMediatingMental DepressionMental HealthMoodsNational Institute of Mental HealthNeurocognitionNeurocognitiveNeuronsOutcomeParietalPatternPeripheralPlayPoliciesPositron-Emission TomographyPsychopathologyResearchRewardsRiskRoleSamplingScientistSerumSex DifferencesShort-Term MemorySignal TransductionSiteStatistical Data InterpretationStressStructureSymptomsSystemTechniquesTestingTimeYouthagedanandamideanxiety symptomsbiological adaptation to stressbrain abnormalitiescognitive developmentcognitive functiondata archivedepressive symptomsearly onsetendocannabinoid signalingendogenous cannabinoid systemexecutive functionmalemarijuana usemood symptomnegative affectneurodevelopmentneuron developmentneurotransmissionpre-clinicalresponsesexwhite matter
项目摘要
PROJECT SUMMARY
The endogenous endocannabinoid (eCB) system includes cannabinoid receptor 1 (CB1R), CB2R, and two
endogenous ligands (N-arachidonoylethanolamine;; AEA and 2-arachidonoylglycerol, 2AG). Animal findings
demonstrate that the eCB system undergoes dynamic changes during adolescence and suggest a significant
role in neurodevelopment, especially in CB1R-dense prefrontal, parietal, striatal and limbic brain regions.
Research in adults have found that eCB system signaling modulates executive functioning, reward response,
and stress and affective processing. Thus, there is strong preclinical evidence that the eCB system plays a
substantial role in neuronal activity and neurodevelopment and disruption of or reduced eCB signaling during
adolescence may result in abnormal neurocognitive development, risk for psychopathology, and increased risk
for substance use, especially cannabis (CAN) use. Despite this evidence, no study to date has examined the
role of the eCB system on neurocognition, mood, or early onset cannabis use and early cannabis subjective
effects ex vivo in human youth due to the inherent challenges in employing invasive techniques [i.e., PET
studies or collecting CSF]. However, there is now an available bioassay to measure circulating AEA and 2AG
in serum collected from blood, that can be measured ex vivo in humans. Serum AEA and 2AG levels reflect
both peripheral system synthesis and overflow from the brain and animal evidence has shown that circulating
and brain eCB concentrations are robustly and significantly correlated. Further, adult studies have found
significant associations between circulating serum eCBs and executive functioning, stress response, reward
signaling, affective processing, mood and anxiety symptoms and regular CAN use. Notably, studies relating
serum eCB levels and neurocognitive, psychopathology, and CAN use outcomes have not yet been conducted
in youth- despite convincing preclinical evidence that the impact may be greater during these critical
neurodevelopmental years. Thus, this R21 project will be the first to establish the link between circulating eCB
levels and neurocognitive, psychopathology, and early CAN use outcomes in a subset of 2000 youth aged 11-
14 who are already enrolled in the longitudinal Adolescent Brain Cognitive Development (ABCD) Study (at 8
geographically-diverse research sites). We will also examine sex differences in these effects. Ultimately, this
project will inform policy and health campaigns regarding the role of the eCB system in adolescent
development and provide mechanistic information regarding the long-term impact of CAN exposure in youth.
项目摘要
内源性内源性大麻素(eCB)系统包括大麻素受体1(CB 1 R)、CB 2 R和两种受体。
内源性配体(N-花生四烯酸乙醇胺; NAAEA和2-花生四烯酸甘油,2AG)。
表明eCB系统在青春期经历动态变化,并提出了一个显着的
在神经发育中的作用,特别是在CB 1 R-β致密的前额叶,顶叶,纹状体和边缘脑区域。
成人研究发现,eCB系统信号调节执行功能,奖励反应,
因此,有强有力的临床前证据表明,eCB系统发挥作用,
在神经元活动和神经发育中的重要作用,以及在
青春期可能导致神经认知发育异常,精神病理学风险,
物质使用,特别是大麻(CAN)的使用。尽管有这些证据,迄今为止还没有研究
eCB系统对神经认知、情绪或早发性大麻使用和早期大麻主观的作用
由于采用侵入性技术的固有挑战, 宠物
然而,现在有可用的生物测定来测量循环AEA和2AG,
在从血液收集的血清中,其可以在人体中离体测量。
外周系统的合成和从大脑和动物的证据都表明,
和大脑eCB浓度之间存在着强有力的显著相关。此外,成人研究发现,
循环血清eCB与执行功能、应激反应、奖励之间存在显著相关性
信号,情感处理,情绪和焦虑症状以及定期使用CAN。值得注意的是,
尚未进行血清eCB水平和神经认知、精神病理学和CAN使用结局的研究
尽管有令人信服的临床前证据表明,在这些关键时期,
因此,这项R21项目将是第一个建立循环eCB之间的联系,
水平和神经认知,精神病理学,和早期CAN使用结果在一个子集的2000年11岁至12岁的青年
14人已经参加了纵向青少年大脑认知发展(ABCD)研究(8岁),
我们还将研究这些影响的性别差异。最终,
该项目将为政策和卫生运动提供关于eCB系统在青少年中的作用的信息。
发展和提供机制信息的长期影响,青年接触CAN。
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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Cecilia J Hillard其他文献
Circulating Endocannabinoids: From Whence Do They Come and Where are They Going?
循环内源性大麻素:它们来自何处以及去向何方?
- DOI:
10.1038/npp.2017.130 - 发表时间:
2017-06-27 - 期刊:
- 影响因子:7.100
- 作者:
Cecilia J Hillard - 通讯作者:
Cecilia J Hillard
Cecilia J Hillard的其他文献
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{{ truncateString('Cecilia J Hillard', 18)}}的其他基金
2023 Cannabinoid Function in the CNS Gordon Research Conference and Gordon Research Seminar
2023中枢神经系统戈登研究会议和戈登研究研讨会大麻素功能
- 批准号:
10683605 - 财政年份:2023
- 资助金额:
$ 15.27万 - 项目类别:
Mechanisms underlying the influence of stress on drug-seeking behavior
压力对药物寻求行为影响的机制
- 批准号:
10752220 - 财政年份:2023
- 资助金额:
$ 15.27万 - 项目类别:
Examining the impact of circulating endocannabinoid levels on neurocognition, mood, and early cannabis use in youth enrolled in the ABCD Study
检查循环内源性大麻素水平对参加 ABCD 研究的青少年的神经认知、情绪和早期大麻使用的影响
- 批准号:
9916212 - 财政年份:2019
- 资助金额:
$ 15.27万 - 项目类别:
Circuit-specific actions of endocannabinoids in stress and mood disorders
内源性大麻素在压力和情绪障碍中的电路特异性作用
- 批准号:
10477473 - 财政年份:2019
- 资助金额:
$ 15.27万 - 项目类别:
Circuit-specific actions of endocannabinoids in stress and mood disorders
内源性大麻素在压力和情绪障碍中的电路特异性作用
- 批准号:
10238098 - 财政年份:2019
- 资助金额:
$ 15.27万 - 项目类别:
Circuit-specific actions of endocannabinoids in stress and mood disorders
内源性大麻素在压力和情绪障碍中的电路特异性作用
- 批准号:
10013295 - 财政年份:2019
- 资助金额:
$ 15.27万 - 项目类别:
Circuit-specific actions of endocannabinoids in stress and mood disorders
内源性大麻素在压力和情绪障碍中的电路特异性作用
- 批准号:
10689093 - 财政年份:2019
- 资助金额:
$ 15.27万 - 项目类别:
Circulating endocannabinoids in rats: Assay development and validation
大鼠循环内源性大麻素:检测方法开发和验证
- 批准号:
9306814 - 财政年份:2016
- 资助金额:
$ 15.27万 - 项目类别:
CB2 Cannabinoid Receptors and Cocaine Action: Studies with Conditional Knock Outs
CB2 大麻素受体和可卡因作用:条件敲除研究
- 批准号:
9250114 - 财政年份:2016
- 资助金额:
$ 15.27万 - 项目类别:
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