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Effects of Chrysin-PLGA-PEG Nanoparticles on Proliferation and Gene Expression of miRNAs in Gastric Cancer Cell Line.
Iranian Journal of Cancer Prevention 2016 August
BACKGROUND: Recently, Chrysin, as a flavone, has revealed cancer chemo-preventive activity. The present experiment utilized the PLGA-PEG-chrysin complex, and free chrysin, to evaluation of the expression of miR-22, miR-34a and miR-126 in human gastric cell line.
OBJECTIVES: The purpose of this study was to examine whether nano encapsulating chrysin improves the anti-cancer effect of free chrysin on AGS human gastric cell line.
METHODS: Properties of the chrysin encapsulated in PLGA-PEG nanoparticles were investigated by SEM, H NMR, and FTIR. The assessment of cytotoxicity on the growth of the human gastric cell line was carried out through MTT assay. After treating the cells with a prearranged amount of pure and encapsulated chrysin, RNA was extracted and the expressions of miR-22, miR-34a and miR-126 were measured by using real-time PCR.
RESULTS: With regard to the amount of the chrysin loaded in PLGA-PEG nanoparticles, IC50 value was significantly decreased in nanocapsulatedchrysin, in comparison with free chrysin. This finding has been proved through the further increase of miR-22, miR-34a and miR-126 gene expression of nanocapsulatedchrysin, in comparison with free chrysin.
CONCLUSIONS: In this study, we revealed that the PLGA-PEG-chrysin is more effective than free chrysin in inhibiting the growth of human gastric cell line.
OBJECTIVES: The purpose of this study was to examine whether nano encapsulating chrysin improves the anti-cancer effect of free chrysin on AGS human gastric cell line.
METHODS: Properties of the chrysin encapsulated in PLGA-PEG nanoparticles were investigated by SEM, H NMR, and FTIR. The assessment of cytotoxicity on the growth of the human gastric cell line was carried out through MTT assay. After treating the cells with a prearranged amount of pure and encapsulated chrysin, RNA was extracted and the expressions of miR-22, miR-34a and miR-126 were measured by using real-time PCR.
RESULTS: With regard to the amount of the chrysin loaded in PLGA-PEG nanoparticles, IC50 value was significantly decreased in nanocapsulatedchrysin, in comparison with free chrysin. This finding has been proved through the further increase of miR-22, miR-34a and miR-126 gene expression of nanocapsulatedchrysin, in comparison with free chrysin.
CONCLUSIONS: In this study, we revealed that the PLGA-PEG-chrysin is more effective than free chrysin in inhibiting the growth of human gastric cell line.
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