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English Abstract
Journal Article
[Construction of artesunate nanoparticles modified by hyaluronic acid and cell-penetrating peptides and its inhibitory effect on cancer cells in vitro].
Zhongguo Zhong Yao za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica 2018 September
Hyaluronic acid (HA) and cell-penetrating peptide (CPP) R6H4-SA modified artesunate nanostructured lipid carrier (HA-R6H4-NLC/ART) for anti-tumor therapy was prepared. The physicochemical properties and in vitro drug release of HA-R6H4-NLC/ART were evaluated, and the uptake and cytotoxicity of liver cancer HepG2 cells were studied. The results showed that HA-R6H4-NLC/ART was spherical like in appearance, and the average particle size was about 160 nm. In vitro release experiments showed that the drug delivery system had sustained release characteristics. Cell results showed that, in slightly acidic environment, pH sensitive CPP R6H4-SA mediated cellular uptake of nanoparticles was significantly higher than that of non-sensitive peptide R8-SA. Meanwhile, HA-R6H4-NLC/ART had a targeting effect on HepG2 cells, and the HA receptor saturation experiment showed that the endocytosis of HA-R6H4-NLC/ART was mediated by the HA receptor on the cell surface. As compared with the unmodified or R6H4-SA single modified group, HA and R6H4-SA co-modified HA-R6H4-NLC/ART significantly improved the cell uptake and had a stronger anti-tumor effect under the conditions of the slightly acid environment and hyaluronidase degradation. The above results showed that hyaluronic acid and CPP R6H4-SA co-modified artesunate nanostructured lipid carrier, which can effectively identify and penetrate the tumor cell membrane into the cell, is a potentially efficient targeting delivery system for anti-tumor drugs.
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