METHOD OF OBTAINING CELL LINES IN A PROTEIN-FREE MEDIUM AND CELL LINES THUS OBTAINED

The invention relates to a method of obtaining mammal cells which are adapted to grow in a medium free of serum and proteins. The inventive method includes a process consisting of two adaptation steps comprising a critical protein concentration interval, in which the cells must acquire the ability t...

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Bibliographische Detailangaben
Hauptverfasser:	ROJAS DEL CALVO,LUIS, CASTILLO VITLLOCH,ADOLFO, VITORES SARAZOLA,SVIETA, BOGGIANO AYO,TAMMY, PEREZ RODRIGUEZ,ROLANDO
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING ORGANIC CHEMISTRY PEPTIDES PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	The invention relates to a method of obtaining mammal cells which are adapted to grow in a medium free of serum and proteins. The inventive method includes a process consisting of two adaptation steps comprising a critical protein concentration interval, in which the cells must acquire the ability to survive in a protein-free medium. There is a specific critical protein concentration interval for each cell line. The invention also relates to mammal cell lines which grow in a stable manner in a medium free of serum and proteins over at least 40 generations. The invention further relates to clones which express anti-CD6 T1hT and EGF hR3 antireceptor humanised antibodies and the anti-CD3 T3Q chimeric antibody as well as fragments of said antibodies.