Organs-on-Chips as a Platform for Studying Effects of Microgravity on Human Physiology: Blood-Brain Barrier-Chip in Health and Disease

器官芯片作为研究微重力对人体生理学影响的平台:血脑屏障芯片在健康和疾病中的应用

基本信息

  • 批准号:
    9921513
  • 负责人:
  • 金额:
    $ 89.3万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2017
  • 资助国家:
    美国
  • 起止时间:
    2017-06-15 至 2022-02-28
  • 项目状态:
    已结题

项目摘要

Abstract In response to the National Institutes of Health (NIH), -Center for the Advancement of Science in Space (CASIS), -Request for Application (RFA), -Targeted Research (TR), -16-019 we propose to apply the Organ- Chip technology of Emulate Inc., to assess the effects of space flight in human organs in vitro. Emulate is a newly founded start-up based on technology developed at the Wyss Institute at Harvard University in Cambridge, Massachusetts. The proposed work focuses on the development of automated hardware for space to enable experiments in human, in vivo relevant microphysiological systems for understanding of the impact of microgravity and other space flight-imposed stressors on human physiology, disease development and response to drugs. The organ we will apply to all proposed studies is the blood-brain barrier (BBB)-Chip, both in normal and inflamed states, which causes a major compromise in the BBB and allows for evaluation of clinically relevant endpoints. In this proposal, we will first validate Emulate’s Organ-Chip technology, and the automated instrumentation to be developed together with implementation partners SpaceTango, in terrestrial experiments simulating the space flight protocols. Next, we will use the platform to conduct two separate organ-chip experiments on the International Space Station (ISS) to understand the effects of this unique environment on BBB physiology. Further, terrestrial experiments will assess the specific contribution of each of the individual, primary cell stressors in space that can be simulated on Earth. Imaging, biochemical, and transcriptomic data from all studies over different time points will be analyzed, compared and provide the inputs for building a model of the system. We believe that our integrative approach will reveal new aspects of the effects of microgravity on the BBB in normal and disease states, and provide insights into drug discovery for this critical organ that maintains homeostasis or propagates a number of serious diseases. Successful implementation of our space compatible hardware and our BBB-Chip findings will provide an in vivo relevant, in vitro platform available to the scientific community for the evaluation of the impact of microgravity in physiology and disease of a number of human organs, and support drug development in novel, clinically relevant ways.
抽象的 根据美国国立卫生研究院 (NIH) 的回应,太空科学促进中心 (CASIS),-申请请求(RFA),-目标研究(TR),-16-019 我们建议申请该器官- Emulate Inc.的芯片技术,用于在体外评估太空飞行对人体器官的影响。模拟是一个 新成立的初创公司基于哈佛大学维斯研究所开发的技术 马萨诸塞州剑桥。拟议的工作重点是开发自动化硬件 空间能够在人体相关的微生理系统中进行实验,以了解 微重力和其他太空飞行施加的压力源对人体生理、疾病发展的影响 以及对药物的反应。我们将应用于所有拟议研究的器官是血脑屏障(BBB)芯片, 在正常和炎症状态下,这都会导致血脑屏障的重大妥协,并允许评估 临床相关终点。在本提案中,我们将首先验证 Emulate 的器官芯片技术,以及 将与实施合作伙伴 SpaceTango 共同开发地面自动化仪器 模拟太空飞行协议的实验。接下来我们将利用该平台进行两次独立的 在国际空间站 (ISS) 上进行器官芯片实验,以了解这种独特的效果 环境对 BBB 生理的影响。此外,地面实验将评估每个的具体贡献 太空中的个体主要细胞压力源可以在地球上模拟。影像学、生化和 将分析、比较不同时间点所有研究的转录组数据,并提供 用于构建系统模型的输入。我们相信,我们的综合方法将揭示出新的方面 微重力对正常和疾病状态下 BBB 的影响,并为药物发现提供见解 对于维持体内平衡或传播许多严重疾病的重要器官。成功的 我们的空间兼容硬件和 BBB 芯片研究结果的实施将提供体内相关的、 科学界可用于评估微重力对生理学影响的体外平台 和许多人体器官的疾病,并以新颖的、临床相关的方式支持药物开发。

项目成果

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