Packaging cells

The invention described herein allows the production of recombinant retroviruses (retroviral vector particles) from producer cells which are safer and of higher titer than normal. In addition, methods are provided for making helper cells which, when a recombinant retrovirus genome is introduced to m...

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Bibliographische Detailangaben
Hauptverfasser:	RESPESS JAMES G, JOLLY DOUGLAS J, CHANG STEPHEN M. W, BARBER JACK R
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BEER BIOCHEMISTRY CARE OF BIRDS, FISHES, INSECTS CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FISHING FORESTRY HUMAN NECESSITIES HUNTING HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING NEW BREEDS OF ANIMALS ORGANIC CHEMISTRY PEPTIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR SPIRITS TRAPPING VINEGAR WINE
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Beschreibung
Zusammenfassung:	The invention described herein allows the production of recombinant retroviruses (retroviral vector particles) from producer cells which are safer and of higher titer than normal. In addition, methods are provided for making helper cells which, when a recombinant retrovirus genome is introduced to make a producer line, produce particles that are targeted toward particular cell types. Methods are also provided for making recombinant retrovirus systems adapted to infect a particular cell type, such as a tumor, by binding the retrovirus or recombinant retrovirus in the particular cell type. Methods are also provided for producing recombinant retroviruses which integrate in a specific small number of places in the host genome, and for producing recombinant retroviruses from transgenic animals.