CAREER: Harnessing Multiscale Biophysical Cues for Engineering Adult Heart Tissue
职业:利用多尺度生物物理线索工程成人心脏组织
基本信息
- 批准号:2144374
- 负责人:
- 金额:$ 69.75万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-06-01 至 2027-05-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
This Faculty Early Career Development (CAREER) award will reveal how biophysical signals at multiple length scales can be used to engineer personalized heart tissues. These engineered tissues could replace damaged heart muscle in adults. Heart attack causes permanent loss of heart muscle and can lead to heart failure. Current treatments cannot regenerate damaged heart muscle. Induced pluripotent stem cells, which come from a person’s own cells, can become any cell type. As such, these cells offer new hope for personalized engineered heart tissue regeneration. However, heart tissues made from these cells to date lack the functionality of adult tissues. This is because heart muscle cells generated from stem cells are immature in shape, size, and function. There is a critical need to improve heart muscle cell maturity for engineering adult heart tissue. Drawing inspiration from the heart’s multiscale structure, this research will explore how three-dimensional biophysical signals can be used to improve heart muscle cell maturity and how this knowledge can be leveraged to manufacture personalized adult heart tissues. The complementary education program will use this research context to promote equity in engineering education through curriculum innovation. This work will also broaden access to engineering for those who have been historically excluded through scalable K-12 programs.The goal of this research program is to develop fundamental mechanistic understanding of how multiscale biophysical cues can be used to influence the structural and functional maturity of engineered heart tissues. Using a novel multiscale platform that permits orthogonal control of stiffness, viscoelasticity, and three-dimensional geometric confinement, this research will determine how these microscale and mesoscale cues influence cardiomyocyte maturation defined by cellular ultrastructure, contractile force, and conduction velocity. Through bioinformatic analyses, this work will uncover mechanisms by which these cues have influence individually and collectively. Additionally, this work will determine if biophysically mediated maturation introduced in unit biomanufacturing processes persists in the hierarchical formation of large-scale engineered heart tissues. This inclusively designed research will identify differential effects of biophysical stimuli associated with cell sex in engineering adult heart tissues. The integrated education program will create systems to advance equity in engineering education and broaden participation of historically excluded racial and ethnic groups. This award will present a major step toward transforming mechanobiological insights into biomanufacturing processes enabling the creation of personalized, fully functional engineered tissues and to measurably impact equity, diversity, and inclusion in engineering with new faculty-driven change models.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.
这个教师早期职业发展(CAREER)奖将揭示如何在多个长度尺度的生物物理信号可用于工程个性化的心脏组织。 这些工程组织可以替代成年人受损的心肌。心脏病发作会导致心肌永久性丧失,并可能导致心力衰竭。目前的治疗方法不能再生受损的心肌。诱导多能干细胞来自于一个人自身的细胞,可以变成任何类型的细胞。 因此,这些细胞为个性化工程心脏组织再生提供了新的希望。然而,迄今为止,由这些细胞制成的心脏组织缺乏成人组织的功能。这是因为从干细胞产生的心肌细胞在形状、大小和功能上都不成熟。迫切需要提高心肌细胞成熟度以用于工程化成人心脏组织。从心脏的多尺度结构中汲取灵感,这项研究将探索如何利用三维生物物理信号来提高心肌细胞的成熟度,以及如何利用这些知识来制造个性化的成人心脏组织。补充教育计划将利用这一研究背景,通过课程创新促进工程教育的公平。 这项工作也将拓宽那些谁一直被排除在可扩展的K-12 programmes.The研究计划的目标是开发如何多尺度生物物理线索可以用来影响工程心脏组织的结构和功能成熟的基本机制的理解工程。使用一种新的多尺度平台,允许正交控制的刚度,粘弹性和三维几何约束,这项研究将确定这些微尺度和中尺度的线索如何影响心肌细胞成熟的细胞超微结构,收缩力和传导速度。通过生物信息学分析,这项工作将揭示这些线索对个体和集体产生影响的机制。此外,这项工作将确定在单位生物制造过程中引入的生物制药介导的成熟是否持续存在于大规模工程心脏组织的分层形成中。这项包容性设计的研究将确定与工程成人心脏组织中细胞性别相关的生物物理刺激的差异效应。综合教育计划将建立系统,以促进工程教育的公平,并扩大历史上被排斥的种族和民族群体的参与。该奖项将向将机械生物学见解转化为生物制造过程迈出重要一步,从而能够创造个性化,功能齐全的工程组织,并对公平,多样性,并与新教师一起融入工程学-该奖项反映了NSF的法定使命,并通过使用基金会的知识价值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(1)
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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Darryl Dickerson其他文献
Is Carla grumpy? Analysis of peer evaluations to explore microaggressions and other marginalizing behaviors in engineering student teams
卡拉脾气暴躁吗?
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:3.4
- 作者:
Darryl Dickerson;Stephanie Masta;M. Ohland;Alice Pawley - 通讯作者:
Alice Pawley
Darryl Dickerson的其他文献
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{{ truncateString('Darryl Dickerson', 18)}}的其他基金
Culturally Responsive Engineering Experience Design and Development through Teacher-Undergraduate Engineering Student Partnerships
通过师生合作进行文化响应式工程体验设计和开发
- 批准号:
2201255 - 财政年份:2022
- 资助金额:
$ 69.75万 - 项目类别:
Standard Grant
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