Collaborative Research: RECODE: Directing and Controlling Cardiac Differentiation Through Cellular and Microenvironmental Manipulation and Application of Machine-Learning
合作研究:RECODE:通过细胞和微环境操纵以及机器学习的应用来指导和控制心脏分化
基本信息
- 批准号:2134821
- 负责人:
- 金额:$ 9.53万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2021
- 资助国家:美国
- 起止时间:2021-09-01 至 2025-08-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
US mortality rates from heart disease are increasing, driven particularly by the increasing prevalence of patients with heart failure. Limited availability of native human cardiac tissue impedes research, drug discovery, and clinical cardiac regeneration efforts. Treatment with stem cell-derived cardiac tissues has exceptionally high potential to achieve clinically meaningful outcomes. However, the generation of a heterogeneous mixture of cell types is a critical barrier to cell-based cardiac therapy. By employing developmental biology, tissue engineering, and machine learning, this Reproducible Cells and Organoids via Directed-Differentiation Encoding (RECODE)research builds the foundation for overcoming this obstacle and develops methodologies and design approaches to produce functional cell types needed in understanding and treating heart disease. This project will support undergraduate students from Alabama State University – a historically black university – to participate in summer research experiences at Auburn University.Despite significant advances in our understanding of human induced pluripotent stem cell and cardiac development biology, our ability to generate specific cardiac cell subtypes from pluripotent stem cells in sufficient quantities remains limited. Cardiac differentiation of human induced pluripotent stem cells has been broken down into a stepwise process from pluripotency to mesoderm to cardiac progenitors to first and second heart fields. However, this progression occurs at differing rates, require differing concentrations, durations, and timing of exposure to key cell signaling molecules, and yield varying concentrations of cardiomyocytes. Understanding the population dynamics and probabilities that a given cell will move towards becoming one cell type versus another is necessary for making predictions and directing decisions to achieve a desired final cell type or a mixture of cell types. The goal of this RECODE project is to establish a paired experimental process and guiding hybrid model utilizing real-time measurements from differentiating cardiomyocytes to predict both the outcome of ongoing cardiac differentiation and the process parameters that should be adjusted to achieve the desired result. The project work will (1) marry innovative machine learning tools and cardiac developmental stages to mine single cell RNA sequencing data to identify key developmental decisions and levers that control cell fate at these instances, (2) perform directed cardiac differentiation in 3D to address complex autocrine, paracrine, cell-cell and cell-matrix interactions that are absent in conventional 2D assays, (3) employ cardiac cell subtype-specific fluorescent reporter to quantify differentiation outcome in real-time, and (4) develop a process control analytical platform that integrates differentiation outcome data with experimentally-defined input parameters that can enable generation of specific composition of cardiac cell subtypes on-demand using robustly validated and reproducible differentiation design rules.This RECODE award is co-funded by the Mechanics and Engineering Materials Cluster in the Division of Civil, Mechanical, and Manufacturing Innovation and the Engineering Biology and Health Cluster in the Division of Chemical, Bioengineering, Environmental, and Transport Systems.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
美国的心脏病死亡率正在上升,尤其是心力衰竭患者的患病率不断上升。天然人类心脏组织的有限可用性阻碍了研究、药物发现和临床心脏再生努力。干细胞来源的心脏组织的治疗具有极高的潜力,可以取得临床上有意义的结果。然而,细胞类型的异质性混合的产生是基于细胞的心脏治疗的关键障碍。通过应用发育生物学、组织工程和机器学习,这种通过定向分化编码(Recode)研究的可再生细胞和有机体为克服这一障碍奠定了基础,并开发了方法和设计途径,以产生理解和治疗心脏病所需的功能细胞类型。该项目将支持阿拉巴马州立大学--一所历史悠久的黑人大学--的本科生参加奥本大学的暑期研究体验。尽管我们对人类诱导多能干细胞和心脏发育生物学的理解取得了重大进展,但我们从多能干细胞产生足够数量的特定心脏细胞亚型的能力仍然有限。人类诱导的多能干细胞的心脏分化已被分解为一个从多能向中胚层到心脏祖细胞再到第一和第二心区的逐步过程。然而,这种进展以不同的速度发生,需要不同的浓度、持续时间和暴露于关键细胞信号分子的时间,并产生不同浓度的心肌细胞。为了做出预测和指导决策以实现所需的最终细胞类型或混合细胞类型,有必要了解给定细胞的种群动态和向一种细胞类型转变为另一种细胞类型的概率。该Recode项目的目标是建立一个配对的实验过程和指导杂交模型,利用来自分化心肌细胞的实时测量来预测正在进行的心脏分化的结果和应该调整以达到预期结果的过程参数。该项目的工作将(1)结合创新的机器学习工具和心脏发育阶段来挖掘单细胞RNA测序数据,以确定在这些情况下控制细胞命运的关键发育决定和杠杆,(2)在3D中执行定向心脏分化,以解决传统2D分析中不存在的复杂的自分泌、旁分泌、细胞-细胞-基质相互作用,(3)使用心脏细胞亚型特异性荧光报告程序实时量化分化结果,和(4)开发一个过程控制分析平台,它将分化结果数据与实验定义的输入参数相集成,能够使用稳健验证和可重复的分化设计规则按需生成特定组成的心脏细胞亚型。该Recode奖由土木、机械和制造创新部门的机械和工程材料集群以及化学、生物工程、环境和运输系统部门的工程生物和健康集群共同资助。该奖项反映了NSF的法定使命,并通过使用基金会的智力优势和更广泛的影响审查标准进行评估,被认为值得支持。
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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Komal Vig其他文献
Respiratory Syncytial Virus Interactions with Nanoparticles Using Transmission Electron Microscopy
- DOI:
10.1016/j.bpj.2009.12.3594 - 发表时间:
2010-01-01 - 期刊:
- 影响因子:
- 作者:
Komal Vig;Seyhan Boyoglu;Vijaya Rangari;Michael Miller;Shreekumar Pillai;Shree R. Singh - 通讯作者:
Shree R. Singh
Analysis of Gold Nanoparticles Effect on RSV Using AFM
- DOI:
10.1016/j.bpj.2009.12.4243 - 发表时间:
2010-01-01 - 期刊:
- 影响因子:
- 作者:
Seyhan Boyoglu;Komal Vig;Adam Pfendt;Shreekumar Pillai;Gerold A. Willing;Shree R. Singh - 通讯作者:
Shree R. Singh
Apoptotic Effects of Nanoparticles on Human Cell Lines
- DOI:
10.1016/j.bpj.2010.12.415 - 发表时间:
2011-02-02 - 期刊:
- 影响因子:
- 作者:
Komal Vig;Pooja M. Tiwari;Michael E. Miller;Shivani Soni;Shree R. Singh - 通讯作者:
Shree R. Singh
Antibacterial and Ultra Microscopic Studies of Salmonella Inhibited by Silver Coated Carbon Nanotubes
- DOI:
10.1016/j.bpj.2010.12.2859 - 发表时间:
2011-02-02 - 期刊:
- 影响因子:
- 作者:
Angel Hundley;Shreekumar Pillai;Courtnee' Bell;Komal Vig;Michael Miller;Vijaya Ranagari;Shree Singh - 通讯作者:
Shree Singh
Detection of Salmonella from Food using UV-Laser Induced Breakdown Spectroscopy
- DOI:
10.1016/j.bpj.2010.12.2860 - 发表时间:
2011-02-02 - 期刊:
- 影响因子:
- 作者:
Courtnee' R. Bell;Cleon Barnett;Shreekumar Pillai;Angel Hundley;Komal Vig;Vida Dennis;Shree Singh - 通讯作者:
Shree Singh
Komal Vig的其他文献
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{{ truncateString('Komal Vig', 18)}}的其他基金
REU Site: Research & Training in Multidisciplinary field of Regenerative Sciences for Undergraduates
REU 网站:研究
- 批准号:
2050038 - 财政年份:2021
- 资助金额:
$ 9.53万 - 项目类别:
Standard Grant
Excellence in Research: Skin Tissue Regeneration using Smart Scaffolds
卓越的研究:使用智能支架进行皮肤组织再生
- 批准号:
1831282 - 财政年份:2018
- 资助金额:
$ 9.53万 - 项目类别:
Standard Grant
REU Site: Development of Safe Nanomaterials for Biological Applications
REU 网站:开发用于生物应用的安全纳米材料
- 批准号:
1358923 - 财政年份:2014
- 资助金额:
$ 9.53万 - 项目类别:
Standard Grant
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