期刊
LAB ON A CHIP
卷 21, 期 14, 页码 2691-2701出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1lc00209k
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资金
- National Natural Science Foundation of China [31700746, 21775049, 31870856, 31870854]
- Fundamental Research Funds for Central Universities, HUST [2021GCRC056]
Cells are influenced by varying combinations of biochemical and mechanical cues in complex microenvironments. This study explores how biochemical cues interact with mechanical cues, by constructing a heterogeneous droplet/microgel array to analyze cell responses to different combinations of Wnt ligands and substrate stiffness. The device provides a powerful multiplexed bioassay platform for drug development, tissue engineering, and stem cell screening.
Cells in their native microenvironment are subjected to varying combinations of biochemical cues and mechanical cues in a wide range. Although many signaling pathways have been found to be responsive for extracellular cues, little is known about how biochemical cues crosstalk with mechanical cues in a complex microenvironment. Here, we introduced heterogeneous droplets on a microchip, which were rapidly assembled by combining wettability-patterned microchip and programmed droplet manipulations, for a high-throughput cell screening of the varying combinations of biochemical cues and mechanical cues. This platform constructed a heterogeneous droplet/microgel array with orthogonal gradual chemicals and materials, which was further applied to analyze the cellular Wnt/beta-catenin signaling in response to varying combinations of Wnt ligands and substrate stiffness. Thus, this device provides a powerful multiplexed bioassay platform for drug development, tissue engineering, and stem cell screening.
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