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Abstract

The present invention provides media and methods for the maintenance or promotion of growth of a cellular line, particularly a hybridoma cellular line. A serum blend is disclosed comprising fetal bovine serum and agamma bovine calf serum. The serum blend is added to other types of support media and can be placed in association with a hybridoma cellular line. The cellular media are preferably employed with hybridoma cellular lines in an environment having a carbon dioxide atmosphere in the range from about ambient levels to 10%, and at a temperature in the range from about 32.degree. C. to 40.degree. C. In addition, the present invention provides for cellular lines maintained and grown in association with such a serum blend. Also, a serum used in a medium for producing diagnostic and therapeutic biologicals from cellular lines, particularly, hybridoma cellular lines, comprising a serum blend of fetal bovine serum and agamma bovine calf serum is provided. Finally, the present invention discloses a composition produced by an organism grown in a medium for promoting the growth of organisms, particularly hybridoma cellular lines, the composition being an organic product secreted by an organism maintained in a media containing a serum blend of fetal bovine serum and agamma bovine calf serum.

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First Claim