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Open Access Study on the antitumor activity and mechanism of novel targeted nanodrugs based on miRNA in cervical cancer

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The aim of this study was to investigate the effect of different concentrations of novel targeted nanodrugs based on miRNA on the antitumor activity and mechanism in cervical carcinoma A549 cells. The MTT method was used to determine the effect of different concentrations of novel targeted nanodrugs based on miRNA on A549 cell proliferation, and annexin V FITC/PI double staining flow cytometry was performed to analyze the effect of these nanodrugs on A549 cell apoptosis. Western blotting was performed to observe the effect of these nanodrugs on the expression of Bax, Bcl-2, and caspase-3-related genes involved in A549 cell apoptosis. Compared with the control group, the novel targeted nanodrugs based on miRNA significantly inhibited the proliferation of A549 cells in a time- and dose-dependent manner. Results of double staining flow cytometry demonstrated that these nanodrugs could increase the apoptotic rate of A549 cells in a dose-dependent manner 48 h later. Western blotting revealed that these nanodrugs could upregulate the expression of Bax and caspase3 genes and downregulate the expression of Bcl-2 gene. Nanodrugs display an obvious antitumor activity in vitro, and the underlying mechanism may be associated with the upregulation of Bax and caspase-3 gene expression and the downregulation of Bcl-2 gene expression.
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Keywords: CELL PROLIFERATION; CELL WITHERING; ISOXAFOTIN

Document Type: Research Article

Publication date: August 1, 2020

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  • Materials Express is a peer-reviewed multidisciplinary journal reporting emerging researches on materials science, engineering, technology and biology. Cutting-edge researches on the synthesis, characterization, properties, and applications of a very wide range of materials are covered for broad readership; from physical sciences to life sciences. In particular, the journal aims to report advanced materials with interesting electronic, magnetic, optical, mechanical and catalytic properties for industrial applications.
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