Next generation reagents for mass cytometry and imaging mass cytometry
用于质谱流式分析和成像质谱流式分析的下一代试剂
基本信息
- 批准号:566946-2021
- 负责人:
- 金额:$ 7.12万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Alliance Grants
- 财政年份:2021
- 资助国家:加拿大
- 起止时间:2021-01-01 至 2022-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The purpose of this project is to develop better tools to help scientists in biology and the biomedical area study biological samples. Mass cytometry is a technology developed in Canada and manufactured by Fluidigm Canada in Markham ON that enables these scientists to measure and quantify many biomarkers simultaneously on cells and issue samples. Biomarkers are proteins and other biomolecules expressed on the surface of cells or inside the cells. They convey information about cell type, behavior and function as well as the disease state of a cell. Mass cytometry employs reagents based on antibodies labeled with heavy metal isotopes to detect proteins and other biomarkers expressed on individual cells. In mass cytometry, the cells are injected into the plasma torch of an atomic mass spectrometer, where the cells are vaporized, atomized and ionized to generate a cloud of the metal ions that were attached to each cell. These ions are then analyzed by mass spectrometry. Mass cytometry enables one to examine individual cells at high throughput (up to 1000 cells/sec). Its greatest strength is that it can simultaneously measure many more biomarkers per cell than flow cytometry, which employs fluorescent reagents. In current technology, one can measure ~50 biomarkers per cell at 500 to 1000 cells per second. We propose to create new reagents that will increase this number to more than 80 biomarkers per cell. To identify proteins expressed at very low levels, we will create a different set of reagents that will increase signal intensity by 10 to 100 times. This new technology will enhance our ability to study biological and disease processes, and may in the future enhance early diagnosis of disease.
这个项目的目的是开发更好的工具来帮助生物学和生物医学领域的科学家研究生物样本。质量细胞术是一项在加拿大开发的技术,由位于安大略省马卡姆的Fluidigm Canada制造,使这些科学家能够同时测量和量化细胞上的许多生物标志物并发出样品。生物标志物是在细胞表面或细胞内部表达的蛋白质和其他生物分子。它们传递有关细胞类型、行为和功能以及细胞疾病状态的信息。大量细胞术使用基于标记有重金属同位素的抗体的试剂来检测单个细胞上表达的蛋白质和其他生物标志物。在大规模细胞术中,细胞被注射到原子质谱仪的等离子炬中,在那里细胞被汽化、雾化和电离,以产生附着在每个细胞上的金属离子云。然后用质谱法分析这些离子。质量细胞术使人们能够以高通量(高达1000个细胞/秒)检查单个细胞。它最大的优势在于,与使用荧光试剂的流式细胞术相比,它可以同时测量每个细胞中更多的生物标志物。在目前的技术中,人们可以以每秒500到1000个细胞的速度测量每个细胞约50个生物标志物。我们建议创造新的试剂,将这个数字增加到每个细胞80多个生物标志物。为了识别低水平表达的蛋白质,我们将创造一套不同的试剂,将信号强度提高10到100倍。这项新技术将增强我们研究生物和疾病过程的能力,并可能在未来增强疾病的早期诊断。
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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Winnik, Mitchell其他文献
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{{ truncateString('Winnik, Mitchell', 18)}}的其他基金
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