Journal
LAB ON A CHIP
Volume 7, Issue 12, Pages 1696-1704Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b711513j
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High content screening (HCS) has quickly established itself as a core technique in the early stage of drug discovery for secondary compound screening. It allows several independent cellular parameters to be measured in a single cell or populations of cells in a single assay. In this work, we describe high content screening for the multiparametric measurement of cellular responses in human liver carcinoma (HepG2) cells using an integrated microfluidic device. This device consists of multiple drug gradient generators and parallel cell culture chambers, in which the processes of liquid dilution and diffusion, micro-scale cell culture, cell stimulation and cell labeling can be integrated into a single device. The simple assay provides multiparametric measurements of plasma membrane permeability, nuclear size, mitochondrial transmembrane potential and intracellular redox states in anti-cancer drug-induced apoptosis of HepG2 cells. The established platform is able to rapidly extract the maximum of information from tumor cells in response to several drugs varying in concentration, with minimal sample and less time, which is very useful for basic biomedical research and cancer treatment.
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