期刊
CELL
卷 166, 期 2, 页码 506-516出版社
CELL PRESS
DOI: 10.1016/j.cell.2016.06.025
关键词
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资金
- Swiss Innovation Promotion Agency CTI-KTI (CTI) [14336.1 PFNM-NM]
- Swiss National Science Foundation [CR23I2_135535]
- Promedica Foundation
- Swiss National Science Foundation (SNF) [CR23I2_135535] Funding Source: Swiss National Science Foundation (SNF)
Because of cellular heterogeneity, the analysis of endogenous molecules from single cells is of significant interest and has major implications. While micromanipulation or cell sorting followed by cell lysis is already used for subsequent molecular examinations, approaches to directly extract the content of living cells remain a challenging but promising alternative to achieving non-destructive sampling and cell-context preservation. Here, we demonstrate the quantitative extraction from single cells with spatiotemporal control using fluidic force microscopy. We further present a comprehensive analysis of the soluble molecules withdrawn from the cytoplasm or the nucleus, including the detection of enzyme activities and transcript abundances. This approach has uncovered the ability of cells to withstand extraction of up to several picoliters and opens opportunities to study cellular dynamics and cell-cell communication under physiological conditions at the single-cell level.
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