CEGS: Microscale Life Sciences Center

CEGS:微型生命科学中心

基本信息

项目摘要

DESCRIPTION (provided by applicant): Increasingly, it is becoming apparent that understanding, predicting, and diagnosing disease states is confounded by the inherent heterogeneity of in situ cell populations. This variation in cell fate can be dramatic, for instance, one cell living while an adjacent cell dies. Thus, in order to understand fundamental pathways involved in disease states, it is necessary to link preexisting cell state to cell fate in the disease process at the individual cell level. The Microscale Life Sciences Center (MLSC) at the University of Washington is focused on solving this problem, by developing cutting-edge microscale technology for high throughput genomic-level and multi-parameter single-cell analysis, and applying that technology to fundamental problems of biology and health. Our vision is to address pathways to disease states directly at the individual cell level, at increasing levels of complexity that progressively move to an in vivo understanding of disease. We propose to apply MLSC technological innovations to questions that focus on the balance between cell proliferation and cell death. The top three killers in the US, cancer, heart disease and stroke, all involve an imbalance in this cellular decision-making process. Because of intrinsic cellular heterogeneity in the live/die decision, this fundamental cellular biology problem is an example of one for which analysis of individual cells is essential for developing the link between genomics, cell function, and disease. The specific systems to be studied are proinflammatory cell death (pyroptosis) in a mouse macrophage model, and neoplastic progression in the Barrett's Esophagus (BE) precancerous model. In each case, diagnostic signatures for specific cell states will be determined by measuring both physiological (cell cycle, ploidy, respiration rate, membrane potential) and genomic (gene expression profiles by single-cell proteomics, qRT-PCR and transcriptomics; LOH by LATE-PCR) parameters. These will then be correlated with cell fate via the same sets of measurements after a challenge is administered, for instance, a cell death stimulus for pyroptosis or a predisposing risk factor challenge (acid reflux) for BE. Ultimately, time series will be taken to map out the pathways that underlie the live/die decision. Finally, this information will be used as a platform to define cell-cell interactions at the single-cell level, to move information on disease pathways towards greater in vivo relevance. New technology will be developed and integrated into the existing MLSC Living Cell Analysis cassette system to support these ambitious biological goals including 1) automated systems for cell placement, off-chip device interconnects, and high throughput data analysis with user friendly interfaces; 2) new optical and electronic sensors based on a new detection platform, new dyes and nanowires; and 3) new micromodules for single-cell qRT-PCR, LATE-PCR for LOH including single-cell pyrosequencing, on-chip single-cell proteomics, and single-cell transcriptomics using barcoded nanobeads.
描述(由申请人提供):越来越明显的是,理解、预测和诊断疾病状态受到原位细胞群体固有异质性的混淆。细胞命运的这种变化可能是戏剧性的,例如,一个细胞存活,而相邻的细胞死亡。因此,为了了解疾病状态中涉及的基本途径,有必要在单个细胞水平上将预先存在的细胞状态与疾病过程中的细胞命运联系起来。华盛顿大学的微尺度生命科学中心(MLSC)致力于解决这一问题,通过开发用于高通量基因组水平和多参数单细胞分析的尖端微尺度技术,并将该技术应用于生物学和健康的基本问题。我们的愿景是直接在单个细胞水平上解决疾病状态的途径,其复杂性不断增加,逐渐转移到对疾病的体内理解。我们建议将MLSC技术创新应用于关注细胞增殖和细胞死亡之间平衡的问题。美国的三大杀手,癌症、心脏病和中风,都涉及这种细胞决策过程的不平衡。由于生/死决定中固有的细胞异质性,这个基本的细胞生物学问题是一个例子,其中对单个细胞的分析对于建立基因组学、细胞功能和疾病之间的联系至关重要。待研究的具体系统是小鼠巨噬细胞模型中的促炎性细胞死亡(焦亡)和肿瘤性细胞死亡(肿瘤性细胞死亡)。 Barrett食管(BE)癌前模型的进展。 在每种情况下,将通过测量生理(细胞周期、倍性、呼吸速率、膜电位)和基因组(通过单细胞蛋白质组学、qRT-PCR和转录组学的基因表达谱;通过LATE-PCR的洛)参数来确定特定细胞状态的诊断特征。然后,在给予激发后,这些将通过相同的测量组与细胞命运相关联,例如,针对焦亡的细胞死亡刺激或针对BE的诱发风险因素激发(酸反流)。最终,时间序列将被用来绘制出生存/死亡决定的基础路径。最后,这些信息将用于 作为在单细胞水平上定义细胞间相互作用的平台,将疾病途径的信息推向更大的体内相关性。新技术将被开发并集成到现有的MLSC活细胞分析盒系统中,以支持这些雄心勃勃的生物学目标,包括1)用于细胞放置、芯片外设备互连和具有用户友好界面的高通量数据分析的自动化系统; 2)基于新检测平台、新染料和纳米线的新光学和电子传感器;和3)用于单细胞qRT-PCR、用于洛的LATE-PCR的新微模块,包括单细胞焦磷酸测序、芯片上单细胞蛋白质组学和使用条形码纳米珠的单细胞转录组学。

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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Deirdre R. Meldrum其他文献

Microfluidic circulatory flows induced by resonant vibration of diaphragms
  • DOI:
    10.1016/j.sna.2005.03.070
  • 发表时间:
    2005-07-29
  • 期刊:
  • 影响因子:
  • 作者:
    Ling-Sheng Jang;Shih-Hui Chao;Mark R. Holl;Deirdre R. Meldrum
  • 通讯作者:
    Deirdre R. Meldrum
Life-on-a-chip
芯片上的生命
  • DOI:
    10.1038/nrmicro755
  • 发表时间:
    2003-11-01
  • 期刊:
  • 影响因子:
    103.300
  • 作者:
    Mary E. Lidstrom;Deirdre R. Meldrum
  • 通讯作者:
    Deirdre R. Meldrum

Deirdre R. Meldrum的其他文献

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{{ truncateString('Deirdre R. Meldrum', 18)}}的其他基金

Project 3
项目3
  • 批准号:
    8744861
  • 财政年份:
    2013
  • 资助金额:
    $ 24.75万
  • 项目类别:
In Situ Single Cell Laser Lysis and Downstream qRT-PCR Profiling
原位单细胞激光裂解和下游 qRT-PCR 分析
  • 批准号:
    8551657
  • 财政年份:
    2012
  • 资助金额:
    $ 24.75万
  • 项目类别:
In Situ Single Cell Laser Lysis and Downstream qRT-PCR Profiling
原位单细胞激光裂解和下游 qRT-PCR 分析
  • 批准号:
    8414019
  • 财政年份:
    2012
  • 资助金额:
    $ 24.75万
  • 项目类别:
Live-cell Microarray for high-throughput observation of metabolic signatures
用于高通量观察代谢特征的活细胞微阵列
  • 批准号:
    8231620
  • 财政年份:
    2011
  • 资助金额:
    $ 24.75万
  • 项目类别:
Live-cell Microarray for high-throughput observation of metabolic signatures
用于高通量观察代谢特征的活细胞微阵列
  • 批准号:
    8725259
  • 财政年份:
    2011
  • 资助金额:
    $ 24.75万
  • 项目类别:
Live-cell Microarray for high-throughput observation of metabolic signatures
用于高通量观察代谢特征的活细胞微阵列
  • 批准号:
    8333992
  • 财政年份:
    2011
  • 资助金额:
    $ 24.75万
  • 项目类别:
CEGS: Microscale Life Sciences Center
CEGS:微型生命科学中心
  • 批准号:
    7938555
  • 财政年份:
    2009
  • 资助金额:
    $ 24.75万
  • 项目类别:
CEGS: Microscale Life Sciences Center
CEGS:微型生命科学中心
  • 批准号:
    7845824
  • 财政年份:
    2009
  • 资助金额:
    $ 24.75万
  • 项目类别:
Automated Cell Preparation in Tubes for 3D Microscopy
用于 3D 显微镜的管内自动细胞制备
  • 批准号:
    7472827
  • 财政年份:
    2005
  • 资助金额:
    $ 24.75万
  • 项目类别:
Automated Cell Preparation in Tubes for 3D Microscopy
用于 3D 显微镜的管内自动细胞制备
  • 批准号:
    6861456
  • 财政年份:
    2005
  • 资助金额:
    $ 24.75万
  • 项目类别:

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