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Lactoferrin as a gene delivery vehicle to hepatocytes
Experimental & Molecular Medicine ; : 111-116, 1997.
Article in English | WPRIM | ID: wpr-123621
ABSTRACT
Using lactoferrin as the specific ligand, we developed a simplified method for preparation of molecular conjugate for gene delivery. Replacement of column chromatography and dialysis by one step centrifugal filtration (Centricon, cut off size 30,000), resulted in the rapid purification of bovine lactoferrin/polylysine (bLf/pL) and human lactoferrin/polylysine (hLf/pL) conjugates and easy separation of unconjugated polylysine. The Lf/pL conjugates prepared by this method efficiently transferred the reporter genes, CAT and LacZ gene, to HeLa and hepatic cells. The bLf/pL and hLf/pL conjugates could transfer the reporter genes to various hepatocytes including primary mouse hepatocyte, Hepa 1-6, SK-Hep1 and Chang liver, but not to NIH 3T3 mouse fibroblast cells, indicating that the Lf/pL conjugates conferred hepatocyte-specific gene transfer. The bLf/pL and hLf/pL conjugates prepared in the present study exhibited higher transfection efficiencies for mouse and human hepatocytes than the commercially available transferrin/polylysine (Tf/pL) conjugate.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Polylysine / Transfection / Chromatography / Genes, vif / Genes, Reporter / Hepatocytes / Dialysis / Fibroblasts / Filtration / Lac Operon Limits: Animals / Humans Language: English Journal: Experimental & Molecular Medicine Year: 1997 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Polylysine / Transfection / Chromatography / Genes, vif / Genes, Reporter / Hepatocytes / Dialysis / Fibroblasts / Filtration / Lac Operon Limits: Animals / Humans Language: English Journal: Experimental & Molecular Medicine Year: 1997 Type: Article