The effects of serum on the stability and the transfection activity of the cationic lipid emulsion with various oils

Young Jin Kim, Tae Woo Kim, Hesson Chung, Ick Chan Kwon, Ha Chin Sung, Seo Young Jeong

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

The emulsions with various oils such as linseed oil, soybean oil and squalene were prepared to obtain the relationship between the stability and the transfection activity of the emulsions. 1,2-Dioleoyl-sn-glycero-3-trimethylammonium-propane (DOTAP) was used as a single cationic lipid emulsifier. The droplet sizes and size distributions of DOTAP emulsions were dependent on oils which had different interfacial tensions. The droplet sizes followed the order of squalene emulsion<soybean oil emulsion<linseed oil emulsion. The squalene emulsion was the most stable carrier since it kept its integrity in serum and PBS solution. For in vitro gene transfer, the transfection activities of the lipid carriers in the presence of serum followed the order of squalene emulsion>soybean oil emulsion>linseed oil emulsion>DOTAP liposome. The squalene emulsion showed the least cytotoxicity with or without serum. For in vivo gene transfer, the squalene emulsion also had the most potent transfection activity in the mouse after intravenous administration. Squalene as the oil component can enhance the stability of cationic emulsion more effectively that could be useful for the transfer of genes in vitro and in vivo.

Original languageEnglish
Pages (from-to)241-252
Number of pages12
JournalInternational Journal of Pharmaceutics
Volume252
Issue number1-2
DOIs
Publication statusPublished - 2003 Feb 18

Fingerprint

Emulsions
Transfection
Squalene
Oils
Lipids
Serum
Propane
Linseed Oil
Soybean Oil
Surface Tension
Liposomes
Intravenous Administration
Genes

Keywords

  • DOTAP
  • Emulsion
  • Gene transfer
  • Serum
  • Squalene

ASJC Scopus subject areas

  • Pharmaceutical Science

Cite this

The effects of serum on the stability and the transfection activity of the cationic lipid emulsion with various oils. / Kim, Young Jin; Kim, Tae Woo; Chung, Hesson; Kwon, Ick Chan; Sung, Ha Chin; Jeong, Seo Young.

In: International Journal of Pharmaceutics, Vol. 252, No. 1-2, 18.02.2003, p. 241-252.

Research output: Contribution to journalArticle

Kim, Young Jin ; Kim, Tae Woo ; Chung, Hesson ; Kwon, Ick Chan ; Sung, Ha Chin ; Jeong, Seo Young. / The effects of serum on the stability and the transfection activity of the cationic lipid emulsion with various oils. In: International Journal of Pharmaceutics. 2003 ; Vol. 252, No. 1-2. pp. 241-252.
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