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- W2942519654 abstract "Abstract The biodegradable and biodegradable natural polysaccharide has always been used as a drug delivery system, and has the following advantages: It can prolong the biological half life of the drug and reduce the side effects of the drug. This experiment aimed to prepare a 5-fluorouracil (5-FU) nanoparticle (P-5-FU) drug-loading system based on pectin, and explored a large number of pectin-based nano drug-loading systems. The galactose residue is a natural target that targets human hepatoma cell HepG2. MTT assay was used to determine the proliferation inhibition effect of drug-loaded pectin-based nanoparticles on HepG2 and A549 cells. MTT assay showed that P-5-FU inhibited the proliferation of HepG2 cells in a dose-dependent manner, and the effect was stronger than 5-FU. P-5-FU also inhibited the proliferation of A549 cells in a dose-dependent manner, but there was no significant difference compared with 5-FU. High performance liquid chromatography (HPLC) on two kinds of cells loaded with drug-loaded nanoparticles the uptake and targeting were measured. The results of cell uptake showed that the uptake of P-5-FU by HepG2 cells was significantly higher than that of 5-FU, but there was no significant difference in the uptake of P-5-FU and 5-FU by A549 cells. There was no significant difference in the uptake of P-5-FU and 5-FU between the two cells after the galactose-saturated ASGPR binding site. The results indicate that pectin-based nano drug-loaded particles can specifically target highly expressed cells." @default.
- W2942519654 created "2019-05-09" @default.
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- W2942519654 date "2019-05-05" @default.
- W2942519654 modified "2023-09-27" @default.
- W2942519654 title "Targeting study of HepG2 hepatoma cells in vitro by drug-loaded pectin-based nanoparticles" @default.
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- W2942519654 doi "https://doi.org/10.1101/628818" @default.
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