Abstract:
BACKGROUND:Curcumin is a natural hydrophobic product showing anticancer activity. Many studies show its potential use in the field of cancer treatment due to its safety and efficiency. However, its application is limited due to its low water-solubility and poor selective delivery to cancer. OBJECTIVE:A Y-shaped folic acid-modified poly (ethylene glycol)-b-poly (ε-caprolactone)2 copolymer was prepared to improve curcumin solubility and realize its selective delivery to cancer. METHOD AND RESULTS:The copolymer was synthesized through selective acylation reaction of folic acid with α- monoamino poly(ethylene glycol)-b-poly(ε-caprolactone)2. Curcumin was encapsulated into the copolymeric micelles with 93.71% of encapsulation efficiency and 11.94 % of loading capacity. The results from confocal microscopy and cellular uptake tests showed that folic acid-modified copolymeric micelles could improve cellular uptake of curcumin in Hela and HepG2 cells compared with folic acid-unmodified micelles. In vitro cytotoxicity assay showed that folic acid-modified micelles improved anticancer activity against Hela and HepG2 cells in comparison to folic acidunmodified micelles. Meanwhile, both drug-loaded micelles demonstrated higher activity against Hela cell lines than HepG2. CONCLUSION:The research results suggested that the folic acid-modified Y-shaped copolymeric micelles should be used to enhance hydrophobic anticancer drugs' solubility and their specific delivery to folic acid receptors-overexpressed cancer.
journal_name
Anticancer Agents Med Chemjournal_title
Anti-cancer agents in medicinal chemistryauthors
Feng R,Zhu W,Chu W,Teng F,Meng N,Deng P,Song Zdoi
10.2174/1871520616666160815124014subject
Has Abstractpub_date
2017-01-01 00:00:00pages
599-607issue
4eissn
1871-5206issn
1875-5992pii
ACAMC-EPUB-77786journal_volume
17pub_type
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journal_title:Anti-cancer agents in medicinal chemistry
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journal_title:Anti-cancer agents in medicinal chemistry
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journal_title:Anti-cancer agents in medicinal chemistry
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