Investigation of polymeric amphiphilic nanoparticles as antitumor drug carriers

Jing Zhang, Xi Guang Chen, Cheng Sheng Liu, Hyun Jin Park

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

In this paper, polymeric amphiphilic nanoparticles based on oleoyl-chitosan (OCH) with different degrees of substitution (DS, 5%, 11% and 27%) were prepared by Oil/Water emulsification method. Mean diameters of the nanoparticles were 327.4 nm, 255.3 nm and 192.6 nm, respectively. Doxorubicin (DOX) was efficiently loaded into OCH nanoparticles and provided a sustained released after a burst release in PBS. These nanoparticles showed no cytotoxicity to mouse embryo fibroblasts (MEF) and low hemolysis rates (<5%). The results of SDS-PAGE indicated that bovine calf serum (BCS) adsorption on OCH nanoparticles was inhibited by smaller particle size. Cellular uptake was evaluated by incubating fluorescence labeled OCH nanoparticles with human lung carcinoma cells (A549) and mouse macrophages (RAW264.7). Cellular uptake of OCH nanoparticles was time - and concentration - dependent. Finding the appropriate incubation time and concentration of OCH nanoparticles used as drug carriers might decrease phagocytic uptake, increase cancer cell uptake and ultimately improve therapeutic efficiency of antitumor therapeutic agents.

Original languageEnglish
Pages (from-to)991-999
Number of pages9
JournalJournal of Materials Science: Materials in Medicine
Volume20
Issue number4
DOIs
Publication statusPublished - 2009 Apr 1

Fingerprint

Drug Carriers
Antineoplastic Agents
Nanoparticles
Chitosan
drugs
nanoparticles
mice
cancer
Cells
hemolysis
calves
macrophages
Emulsification
Macrophages
embryos
fibroblasts
Fibroblasts
Cytotoxicity
Hemolysis
Particle Size

ASJC Scopus subject areas

  • Biophysics
  • Biomaterials
  • Bioengineering
  • Biomedical Engineering

Cite this

Investigation of polymeric amphiphilic nanoparticles as antitumor drug carriers. / Zhang, Jing; Chen, Xi Guang; Liu, Cheng Sheng; Park, Hyun Jin.

In: Journal of Materials Science: Materials in Medicine, Vol. 20, No. 4, 01.04.2009, p. 991-999.

Research output: Contribution to journalArticle

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