Whole-Brain Functional Imaging and Analysis of Zebrafish Sleep

斑马鱼睡眠的全脑功能成像和分析

基本信息

  • 批准号:
    10772327
  • 负责人:
  • 金额:
    $ 16.83万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-05-15 至 2025-04-30
  • 项目状态:
    未结题

项目摘要

ABSTRACT Sleep occupies a third of our lives and sleep-related ailments cost an estimated $100 billion per year, yet the mechanisms governing its regulation remain poorly understood. Despite the substantial progress that has been made in the discovery and understanding of specific sleep-promoting and wake-promoting neuronal and molecular pathways, what is missing is an integrated understanding of how these mechanisms work together in the brain to regulate sleep and wake as whole-brain behavioral states. Toward this goal, we propose a conceptually simple yet powerful approach: record the activity of every neuron in the brain during normal sleep and wake states, and in response to perturbations that induce these states, then apply mathematical analysis and modeling to uncover fundamental principles that underlie sleep. The main goals of this exploratory project are to develop and validate imaging, analysis, and modeling tools that will serve as a foundation for a subsequent larger-scale application that will comprehensively identify and characterize sleep-regulating circuits, and generate models to explain the neuronal circuit principles that underlie sleep. We will use the small and transparent larval zebrafish, a vertebrate model with well-characterized sleep behavior whose regulation is conserved with that of mammals. Using this model and our custom-developed two-photon selective plane illumination microscopy (2P-SPIM) platform, we will perform whole-brain recordings of neuronal activity with cellular-resolution during both natural and induced sleep and wake states. We will then apply mathematical tools to extract insights from these whole-brain recordings to identify the neural substrates that underlie sleep. Our analysis will allow us to both test existing models of sleep regulation and to propose new models based on our data. This project will be the first to achieve comprehensive observation and analysis of vertebrate sleep at such scale and resolution. The unique insights gained from these studies will pave the way toward a more complete understanding of the neuronal mechanisms that underlie sleep, whose dysfunction imposes a significant burden on society.
抽象的 睡眠占据了我们生命的三分之一,与睡眠相关的疾病每年造成的损失估计达 1000 亿美元,但 对其监管机制仍知之甚少。尽管已经取得了实质性进展 发现和理解特定的促进睡眠和促进觉醒的神经元和 分子途径,缺少的是对这些机制如何协同工作的综合理解 大脑将睡眠和醒来调节为全脑行为状态。为实现这一目标,我们提出 概念上简单但功能强大的方法:记录正常睡眠期间大脑中每个神经元的活动 和唤醒状态,并响应引起这些状态的扰动,然后应用数学分析 并通过建模来揭示睡眠的基本原理。该探索性项目的主要目标 将开发和验证成像、分析和建模工具,这些工具将作为后续的基础 更大规模的应用将全面识别和表征睡眠调节电路,以及 生成模型来解释睡眠背后的神经元回路原理。我们将使用小的和 透明幼虫斑马鱼,一种具有良好特征的睡眠行为的脊椎动物模型,其调节是 与哺乳动物一样保守。使用该模型和我们定制开发的双光子选择平面 照明显微镜(2P-SPIM)平台,我们将进行神经元活动的全脑记录 自然和诱导睡眠和唤醒状态下的细胞分辨率。然后我们将应用数学工具 从这些全脑记录中提取见解,以确定睡眠背后的神经基质。我们的 分析将使我们能够测试现有的睡眠调节模型,并根据我们的研究提出新模型 数据。该项目将是第一个实现对脊椎动物睡眠进行全面观察和分析的项目 规模和分辨率。从这些研究中获得的独特见解将为更完整的研究铺平道路。 了解睡眠背后的神经元机制,其功能障碍会造成重大负担 关于社会。

项目成果

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GEOFFREY J GOODHILL其他文献

GEOFFREY J GOODHILL的其他文献

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{{ truncateString('GEOFFREY J GOODHILL', 18)}}的其他基金

Whole-Brain Functional Imaging and Analysis of Zebrafish Sleep
斑马鱼睡眠的全脑功能成像和分析
  • 批准号:
    10430595
  • 财政年份:
    2022
  • 资助金额:
    $ 16.83万
  • 项目类别:
Mechanisms of retinotectal map development
视网膜顶盖图发育机制
  • 批准号:
    6596493
  • 财政年份:
    2003
  • 资助金额:
    $ 16.83万
  • 项目类别:
Mechanisms of retinotectal map development
视网膜顶盖图发育机制
  • 批准号:
    6706971
  • 财政年份:
    2003
  • 资助金额:
    $ 16.83万
  • 项目类别:
CRCNS:Mechanisms of Axonal Gradient Detection
CRCNS:轴突梯度检测机制
  • 批准号:
    6641501
  • 财政年份:
    2002
  • 资助金额:
    $ 16.83万
  • 项目类别:
CRCNS:Mechanisms of Axonal Gradient Detection
CRCNS:轴突梯度检测机制
  • 批准号:
    6796554
  • 财政年份:
    2002
  • 资助金额:
    $ 16.83万
  • 项目类别:
CRCNS:Mechanisms of Axonal Gradient Detection
CRCNS:轴突梯度检测机制
  • 批准号:
    6666807
  • 财政年份:
    2002
  • 资助金额:
    $ 16.83万
  • 项目类别:
PRECISELY CONTROLLED GRADIENTS FOR AXON GUIDANCE
精确控制轴突引导的梯度
  • 批准号:
    6351894
  • 财政年份:
    2000
  • 资助金额:
    $ 16.83万
  • 项目类别:
PRECISELY CONTROLLED GRADIENTS FOR AXON GUIDANCE
精确控制轴突引导的梯度
  • 批准号:
    6028296
  • 财政年份:
    2000
  • 资助金额:
    $ 16.83万
  • 项目类别:
THE DEVELOPMENT & STRUCTURE OF VISUAL CORTICAL MAPS
发展历程
  • 批准号:
    6524967
  • 财政年份:
    1999
  • 资助金额:
    $ 16.83万
  • 项目类别:
THE DEVELOPMENT & STRUCTURE OF VISUAL CORTICAL MAPS
发展历程
  • 批准号:
    6384808
  • 财政年份:
    1999
  • 资助金额:
    $ 16.83万
  • 项目类别:

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