Simultaneous Fluorescence Visualization of Epithelial–Mesenchymal Transition and Apoptosis Processes in Tumor Cells for Evaluating the Impact of Epithelial–Mesenchymal Transition on Drug Efficacy
2018
Luan, Mingming | Chang, Jinjie | Pan, Wei | Chen, Yuanyuan | Li, Na | Tang, Bo
The epithelial–mesenchymal transition (EMT) process plays a pivotal role in acquiring invasive and metastatic properties and has been recognized as a crucial driver of epithelial-derived tumor malignancies. It is necessary to determine the role of EMT in promoting or suppressing carcinoma progression through investigating the relationship between EMT and apoptosis. We designed a multicolor fluorescent nanoprobe for simultaneously imaging the epithelial biomarker E-cadherin mRNA, the mesenchymal marker vimentin mRNA, and the apoptotic marker caspase-3. EMT and apoptosis progresses could be visually detected, which were used to study the effect of EMT on apoptosis and further assess the influence of EMT on drug efficacy in different cancer cells. We believe the designed nanoprobe can offer a new strategy for visualizing EMT and apoptosis in tumor cells and will be a promising tool to investigate the efficiency of drugs targeting EMT-related therapies in living cells.
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