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首页> 外文期刊>Methods: A Companion to Methods in Enzymology >Rare cancer cell analyzer for whole blood applications: microcytometer cell counting and sorting subcircuits.
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Rare cancer cell analyzer for whole blood applications: microcytometer cell counting and sorting subcircuits.

机译:适用于全血的稀有癌细胞分析仪:微细胞计数仪的细胞计数和分类子电路。

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摘要

We demonstrate sorting of rare cancer cells from blood using a thin ribbon monolayer of cells within a credit-card sized, microfluidic laboratory-on-a-card ("lab card") structure. This enables higher cell throughput per minute thereby speeding up cell interrogation. In this approach, multiple cells are viewed and sorted, not individually, but as a whole cell row or section of the ribbon at a time. Gated selection of only the cell rows containing a tagged rare cell provides enrichment of the rare cell relative to background blood cells. We also designed the cell injector for laminar flow antibody labeling within 20s. The approach combines rapid laminar flow cell labeling with monolayer cell sorting thereby enabling rare cell target detection at sensitivity levels 1000 to 10,000 times that of existing flow cytometers. Using this method, total cell labeling and data acquisition time on card may be reduced to a few minutes compared to 30-60 min for standard flow methods.
机译:我们演示了使用信用卡大小的微流控卡实验室(“ lab card”)结构中的细胞薄带单层细胞,从血液中分离稀有癌细胞。这使得每分钟的小区吞吐量更高,从而加快了小区询问的速度。在这种方法中,不是单独查看而是对多个单元格进行查看和分类,而是一次查看整个单元格行或功能区的一部分。相对于背景血细胞,仅通过门控选择包含标记的稀有细胞的细胞行即可提供稀有细胞的富集。我们还设计了用于在20秒内标记层流抗体的细胞注射器。该方法将快速层流细胞标记与单层细胞分选相结合,从而能够以灵敏度为现有流式细胞仪的1000到10,000倍的稀有细胞靶标进行检测。使用这种方法,与标准流程方法的30-60分钟相比,卡片上的总细胞标记和数据采集时间可以减少到几分钟。

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