[Preparation and in vitro evaluation of curcumin CTPP-PEG-PCL micelles]

Zhongguo Zhong Yao Za Zhi. 2013 Jul;38(13):2109-13.
[Article in Chinese]

Abstract

To synthetize 3-carboxypropyl-triphenylphosponium bromide-polycaprolacton-CTPP-PEG-PC, and prepare curcumin CTPP-PEG-PCL micelles by using the self-assembled emulsion solvent evaporation method, in order to determine the critical micelle concentration (CMC) with the pyrene fluorescent probe technology, detect the particle size, entrapment efficiency (%), morpheme and in vitro release rate, and evaluate the cytotoxicity of hepatic stellate cells with MTT assay. The structure of CTPP-PEG-PCL had been identified by 1H-NMR spectra. Specifically, the CMC of polymer was 2.25 mg x L(-1), the average size was 190 nm, the drug content was (0.66 +/- 0.008) g x L(-1), and the entrapment efficiency was (94 +/- 0.6)%. The in vitro release results showed curcumin micelles had a significant higher inhibition ratio in the growth of hepatic stellate cells than crude curcumin (P < 0.05). This suggested that CTPP-PEG-PCL micelles feature low CMC, high encapsulation efficiency and notable inhibition effect in growth of hepatic stellate cells.

MeSH terms

  • Cell Line
  • Cell Proliferation / drug effects
  • Curcumin / administration & dosage*
  • Curcumin / chemistry
  • Curcumin / pharmacology
  • Hepatic Stellate Cells / drug effects
  • Micelles*
  • Polyesters / administration & dosage*
  • Polyesters / chemistry
  • Polyethylene Glycols / administration & dosage*
  • Polyethylene Glycols / chemistry

Substances

  • Micelles
  • Polyesters
  • polycaprolactone
  • Polyethylene Glycols
  • Curcumin