Mechanisms of Social Isolation and Environmental Enrichment in an Animal Model
动物模型中的社会孤立和环境丰富机制
基本信息
- 批准号:8365308
- 负责人:
- 金额:$ 35.44万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2012
- 资助国家:美国
- 起止时间:2012-08-05 至 2016-07-31
- 项目状态:已结题
- 来源:
- 关键词:AbbreviationsAcademic Research Enhancement AwardsAffective SymptomsAgingAmericanAnalysis of VarianceAnhedoniaAnimal ModelAnimalsAnxietyApplications GrantsAutonomic DysfunctionBehaviorBehavioralBiological AssayBiological ModelsBlood PressureBrainBrain StemBrain regionCRH geneCardiovascular DiseasesCardiovascular PhysiologyCardiovascular systemCaringCognitionCommunicationCorticotropin-Releasing HormoneDataDevelopmentEmotionalEmotionsEnsureEnvironmentEquilibriumExhibitsExposure toExtended FamilyFamilyFemaleFunctional disorderFutureGenesGrantHeartHeart DiseasesHeart RateHousingHumanIndividualInternationalInvestigationLaboratoriesLeadLearned HelplessnessLifeLinkManuscriptsMeasuresMediatingMental DepressionMethodologyModelingMolecularMood DisordersMoodsNervous System PhysiologyNeural PathwaysNeuraxisNeurobiologyPatientsPeripheralPhysical activityPhysiologicalPhysiologyPlayPopulationProcessPublishingRegulationRelianceResearchResearch Project GrantsResearch ProposalsRiskRodentRodent ModelRoleScienceSocial BehaviorSocial EnvironmentSocial isolationStressStress and CopingSwimmingTail SuspensionTestingUnited Statesbehavior testbiological adaptation to stressdepressive symptomsdesigneffective therapyenvironmental enrichment for laboratory animalsexperiencegraduate studentheart rate variabilityimmunoreactivityimprovedinnovationneurobiological mechanismnoveloutreachparaventricular nucleusprairie volepreventprotective effectpsychologicrelating to nervous systemresearch studyresponsesocialsocial attachmentstressorsuccessundergraduate student
项目摘要
DESCRIPTION (provided by applicant): This research will investigate the effects of an environmental treatment (environmental enrichment), for preventing the negative emotional and cardiovascular consequences of social isolation in the context of depression and heart disease. There is a bidirectional association between depression and heart disease, and this relationship is especially important for people with specific vulnerabilities such as aging populations or individuals who lack beneficial social experiences. Psychological and physiological responses to social stressors and isolation play an important role in the development of affective symptoms and cardiovascular dysfunction. However, current treatments for individuals with depression and heart disease are significantly limited. The present project will use a rodent model, the socially monogamous prairie vole, to study behavioral, autonomic responses to a social stressor (social isolation), and potential molecular mechanisms that underlie environmental enrichment as a treatment for these negative consequences. Preliminary findings, from our laboratory and others, indicate that environmental enrichment - involving increased stimulation from the environment in the form of inanimate objects and physical activity - has beneficial effects on several central nervous system functions, and can improve emotional reactivity and behaviors associated with depression. The prairie vole is a valuable model system for studying responsiveness to social experiences and neurobiological mechanisms related to mood and cardiovascular function. This species displays several unique social behaviors that mimic those of humans, including living in extended families and forming enduring social bonds; and also exhibits autonomic regulation of the heart similar to humans. Using the prairie vole model, Specific Aim 1 will employ behavioral tests of depression and continuous recording of cardiovascular variables including blood pressure, heart rate, heart rate variability, and autonomic balance, to test the hypothesis that environmental enrichment is an effective treatment for behavioral and cardiovascular consequences of social isolation. Specific Aim 2 will employ measures of central nervous system genes including delta-FosB immunoreactivity, to investigate the hypothesis that long-term alterations in cortical, limbic, and autonomic brain regions underlie the positive effects of environmental enrichment in animals that are socially isolated. This research proposes a novel mechanism by which the social environment impacts behavior, physiology, and brain function, and will promote the development of more comprehensive treatments for patients with depression and cardiovascular disease.
PUBLIC HEALTH RELEVANCE: The association between depression and heart disease is bidirectional, and is significantly influenced by the social environment. The current research project will investigate, in an animal model, the ability of an environmental treatment to protect against negative behavioral, cardiovascular, and brain processes associated with mood and cardiovascular dysfunction. This research will lead to the development of more effective treatments for patients with depression and heart disease.
描述(由申请人提供):本研究将研究环境治疗(环境富集)的影响,以防止在抑郁症和心脏病的背景下社会隔离的负面情绪和心血管后果。抑郁症与心脏病之间存在双向关联,这种关系对于具有特定脆弱性的人,例如老龄化人群或缺乏有益的社会经历的个人尤为重要。对社会压力源和隔离的心理和生理反应在情感症状和心血管功能障碍的发展中起着重要作用。但是,目前对患有抑郁症和心脏病的人的治疗显着有限。本项目将使用啮齿动物模型,即社会一夫一妻制的草原vole,研究对社会压力源(社会隔离)的行为,自主性反应,以及潜在的环境富集构成的潜在分子机制,以此作为这些负面后果的一种治疗方法。初步发现,我们的实验室和其他人表明,以无生命的物体和体育锻炼形式增加了环境刺激的环境丰富性 - 对几种中枢神经系统功能具有有益的影响,并且可以改善与抑郁症相关的情绪反应性和行为。草原田径是一种有价值的模型系统,用于研究与情绪和心血管功能有关的社会经验和神经生物学机制的响应能力。该物种展示了几种模仿人类的社会行为,包括生活在大家庭中并形成持久的社会纽带。并表现出与人类类似的心脏的自主调节。使用草原vole模型,特定的目标1将采用抑郁症的行为测试,并连续记录心血管变量,包括血压,心率,心率变异性和自主平衡,以检验以下假设:环境富集是对社会隔离的行为和心血管造成后果的有效治疗方法。具体目标2将采用包括Delta-FoSB免疫反应性在内的中枢神经系统基因的度量,以调查以下假设:皮质,边缘和自主性脑部区域的长期改变是环境富集在社会隔离的动物中的积极影响。这项研究提出了一种新的机制,通过这种机制,社会环境会影响行为,生理和大脑功能,并将促进为抑郁症和心血管疾病患者开发更全面的治疗方法。
公共卫生相关性:抑郁症与心脏病之间的关联是双向的,并且受社会环境的影响很大。当前的研究项目将在动物模型中调查环境治疗防止与情绪和心血管功能障碍相关的负面行为,心血管和脑部过程的能力。这项研究将导致为患有抑郁症和心脏病的患者开发更有效的治疗方法。
项目成果
期刊论文数量(9)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Protective neuroendocrine effects of environmental enrichment and voluntary exercise against social isolation: evidence for mediation by limbic structures.
环境丰富和自愿锻炼对社会孤立的保护性神经内分泌作用:边缘结构调节的证据。
- DOI:10.1080/10253890.2019.1617691
- 发表时间:2019
- 期刊:
- 影响因子:0
- 作者:Watanasriyakul,WTang;Normann,MarignyC;Akinbo,OreoluwaI;Colburn,William;Dagner,Ashley;Grippo,AngelaJ
- 通讯作者:Grippo,AngelaJ
Voluntary physical exercise protects against behavioral and endocrine reactivity to social and environmental stressors in the prairie vole.
- DOI:10.1080/17470919.2017.1365761
- 发表时间:2018-10
- 期刊:
- 影响因子:2
- 作者:Watanasriyakul WT;Wardwell J;McNeal N;Schultz R;Woodbury M;Dagner A;Cox M;Grippo AJ
- 通讯作者:Grippo AJ
Behavioral and neuroendocrine consequences of disrupting a long-term monogamous social bond in aging prairie voles.
- DOI:10.1080/10253890.2020.1812058
- 发表时间:2021-05
- 期刊:
- 影响因子:0
- 作者:Grippo AJ;McNeal N;Normann MC;Colburn W;Dagner A;Woodbury M
- 通讯作者:Woodbury M
Social isolation and oxytocin antagonism increase emotion-related behaviors and heart rate in female prairie voles.
- DOI:10.1016/j.autneu.2022.102967
- 发表时间:2022-05
- 期刊:
- 影响因子:0
- 作者:Watanasriyakul WT;Scotti ML;Carter CS;McNeal N;Colburn W;Wardwell J;Grippo AJ
- 通讯作者:Grippo AJ
Social isolation alters central nervous system monoamine content in prairie voles following acute restraint.
社会隔离改变了草原田鼠在急性束缚后的中枢神经系统单胺含量。
- DOI:10.1080/17470919.2016.1276473
- 发表时间:2018
- 期刊:
- 影响因子:2
- 作者:McNeal,Neal;Anderson,EdenM;Moenk,Deirdre;Trahanas,Diane;Matuszewich,Leslie;Grippo,AngelaJ
- 通讯作者:Grippo,AngelaJ
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{{ truncateString('ANGELA J GRIPPO', 18)}}的其他基金
Behavioral autonomic and endocrine regulation in depression and heart disease
抑郁症和心脏病的行为自主神经和内分泌调节
- 批准号:
7737659 - 财政年份:2008
- 资助金额:
$ 35.44万 - 项目类别:
Behavioral autonomic and endocrine regulation in depression and heart disease
抑郁症和心脏病的行为自主神经和内分泌调节
- 批准号:
7371756 - 财政年份:2008
- 资助金额:
$ 35.44万 - 项目类别:
Behavioral autonomic and endocrine regulation in depression and heart disease
抑郁症和心脏病的行为自主神经和内分泌调节
- 批准号:
7752579 - 财政年份:2008
- 资助金额:
$ 35.44万 - 项目类别:
Social Isolation, Behavior, and Autonomic Function
社会孤立、行为和自主功能
- 批准号:
6965510 - 财政年份:2004
- 资助金额:
$ 35.44万 - 项目类别:
Social Isolation, Behavior, and Autonomic Function
社会孤立、行为和自主功能
- 批准号:
6886628 - 财政年份:2004
- 资助金额:
$ 35.44万 - 项目类别:
Social Isolation, Behavior, and Autonomic Function
社会孤立、行为和自主功能
- 批准号:
7123386 - 财政年份:2004
- 资助金额:
$ 35.44万 - 项目类别:
Mechanisms of Depression and Cardiovascular Pathology
抑郁症和心血管病理学机制
- 批准号:
6626082 - 财政年份:2002
- 资助金额:
$ 35.44万 - 项目类别:
Mechanisms of Depression and Cardiovascular Pathology
抑郁症和心血管病理学机制
- 批准号:
6486328 - 财政年份:2002
- 资助金额:
$ 35.44万 - 项目类别:
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