Sex hormone regulation of Lateral Habenula circuitry for reward and aversion encoding

性激素调节外侧缰核电路的奖赏和厌恶编码

• 批准号: 10313129
• 负责人: Brandy A. Briones
• 金额: $ 7.37万
• 依托单位: UNIVERSITY OF WASHINGTON
• 依托单位国家: 美国
• 财政年份: 2022
• 资助国家: 美国
• 起止时间: 2022-01-01 至 2024-12-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/10313129
• 关键词: Address; Androgens; Anhedonia; Anti-Anxiety Agents; Anxiety; Attenuated; Automobile Driving; Aversive Stimulus; Bar Codes; Behavior; Behavior Disorders; Behavioral; Brain; Cell Nucleus; Clustered Regularly Interspaced Short Palindromic Repeats; Code; Cognition; Complex; Cues; Data; Data Set; Desire for food; Electric Stimulation; Electrophysiology (science); Elements; Estradiol; Estrogens; Etiology; Exposure to; Female; Fiber; Fire - disasters; Fluorescent in Situ Hybridization; Functional disorder; Gene Expression; Genes; Gonadal Steroid Hormones; Habenula; Hormone Receptor; Hormones; Knock-out; Knowledge; Lateral; Lesion; Machine Learning; Mental Depression; Mental disorders; Molecular; Monitor; Motivation; Names; Negative Valence; Neurons; Nuclear Hormone Receptors; Output; Pattern; Positive Valence; Progesterone; Quinine; Research Proposals; Rewards; Rodent; Role; Sex Differences; Signal Transduction; Specificity; Steroids; Stress; Sucrose; Sum; System; Taste Perception; Technology; Testing; Testosterone; Training; Uncertainty; Ventral Tegmental Area; Viral; Work; addiction; base; biological adaptation to stress; calcium indicator; cell type; data resource; depressive symptoms; dorsal raphe nucleus; experimental study; hormonal signals; hormone regulation; insight; male; mental set; mood regulation; motivated behavior; neural circuit; neuropsychiatric disorder; neuropsychiatry; neuroregulation; neurotechnology; new therapeutic target; nonhuman primate; relating to nervous system; response; reward circuitry; reward processing; steroid hormone; steroid hormone receptor; therapeutic target; tool

Project Summary This proposal seeks to investigate sex hormone effects on reward and aversion-related behaviors through mapping of Lateral Habenula (LHb) circuits. The LHb is a central hub important for encoding aversive information and coordinating motivated behaviors, actions critical for survival. Dysfunction in LHb-dependent circuits contribute to a diverse set of disordered behaviors, such as aberrant processing of positive and negative valence, anhedonia, depressive symptomology, and maladaptive stress response, to name a few. While it is known that motivated behaviors are modulated by circulating sex hormones, no studies have investigated whether negative circuit regulators, specifically projections from the LHb, contribute to this phenomenon. Furthermore, nuclear hormone receptors in the brain have not been well characterized, therefore understanding their role within LHb reward circuits and how they interact with circulating hormones will provide insight into mechanisms driving sex hormone effects on reward-related behaviors. In this proposal, by taking advantage of the most recent technologies to define, manipulate, and monitor neural activity, I plan to test the functional contribution of specific hormone receptors on molecularly defined LHb projection neurons on reward and aversion-related behaviors.

项目概要 该提案旨在通过以下方式研究性激素对奖赏和厌恶相关行为的影响 外侧缰核 (LHb) 电路的映射。 LHb 是编码厌恶信息的重要枢纽 协调对生存至关重要的动机行为和行动。 LHb 依赖性回路功能障碍 导致一系列不同的无序行为，例如正价和负价的异常处理， 快感缺失、抑郁症状和适应不良应激反应等等。虽然众所周知 动机行为受到循环性激素的调节，没有研究调查消极行为是否 电路调节器，特别是 LHb 的投影，导致了这种现象。此外，核 大脑中的激素受体尚未得到很好的表征，因此了解它们在 LHb 中的作用 奖励回路以及它们如何与循环激素相互作用将有助于深入了解驱动性的机制 激素对奖励相关行为的影响。在本提案中，利用最新的 定义、操纵和监测神经活动的技术，我计划测试特定的功能贡献 分子定义的 LHb 投射神经元上的激素受体对奖赏和厌恶相关行为。