Quantitative phase microscopy for non-invasive live cell population monitoring.

Quantitative phase microscopy for non-invasive live cell population monitoring.
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DOI:
10.1038/s41598-021-83537-x
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发表时间:
2021-02-24
期刊:
影响因子:
4.6
通讯作者:
Pognonec P
Pognonec P
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Aknoun S;Yonnet M;Djabari Z;Graslin F;Taylor M;Pourcher T;Wattellier B;Pognonec P

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我们在这里提出了一种基于现有的定量时相成像(QPI)的无标记开发,允许对单个细胞和细胞群体进行非侵入性的实时监测。用标准倒置显微镜在可见光下对有毒化合物的生长、死亡、影响进行量化。我们表明,与编辑单独分割的细胞相比,考虑细胞种群的全球生物量是评估其生长参数的更稳健和准确的方法。对于汇流条件,情况尤其如此。这种方法扩大了光学显微镜在回答有关活细胞群体的生物学问题方面的使用,即使在高密度的情况下也是如此。与标记或裂解细胞相比,这种方法不会改变细胞,在高通量筛选和毒性研究中可能有用。
We present here a label-free development based on preexisting Quantitative Phase Imaging (QPI) that allows non-invasive live monitoring of both individual cells and cell populations. Growth, death, effect of toxic compounds are quantified under visible light with a standard inverted microscope. We show that considering the global biomass of a cell population is a more robust and accurate method to assess its growth parameters in comparison to compiling individually segmented cells. This is especially true for confluent conditions. This method expands the use of light microscopy in answering biological questions concerning live cell populations even at high density. In contrast to labeling or lysis of cells this method does not alter the cells and could be useful in high-throughput screening and toxicity studies.
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