Receptor-mediated gene transfer system for targeting tumor gene therapy

The invention relates to a gene transfer system binding to a growth factor receptor, comprising 4-element complex gene transfer system consisting of ligand oligopeptide/polycationic polypeptide/endosome release oligopeptide/exogenous DNA or 3-element complex consisting of ligand oligopeptide/polycat...

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Bibliographische Detailangaben
Hauptverfasser:	GU JIANREN, TIAN PEIKUN
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	The invention relates to a gene transfer system binding to a growth factor receptor, comprising 4-element complex gene transfer system consisting of ligand oligopeptide/polycationic polypeptide/endosome release oligopeptide/exogenous DNA or 3-element complex consisting of ligand oligopeptide/polycationic polypeptide/exogenous DNA. The invention exemplifies E5, GE7, GV1 and GV2 systems and they can be targeted for the introduction of exogenous genes into malignant tumor cells or tumor vascular endotheliocytes. They are also able to highly inhibit the growth of tumor cells in animals while p15, p16 or p21WAF-1 was used as exogenous genes. The system according to the invention is a new introduction system in tumor gene therapy.