Chemistry: molecular biology and microbiology – Spore forming or isolating process
Patent
1991-02-28
1993-12-07
Martinell,, James
Chemistry: molecular biology and microbiology
Spore forming or isolating process
4352402, 435 692, C12N 510, C12N 516, C12P 2102
Patent
active
052682919
ABSTRACT:
A method for producing tissue plasminogen activator (t-PA) in eukaryotic host cells is disclosed. Enhanced levels of t-PA production are obtained by co-amplification of the t-PA gene through treatment of cultures transformed with mutant or wild-type DHFR with methotrexate.
REFERENCES:
patent: 5010002 (1991-04-01), Levinson et al.
patent: 5011795 (1991-04-01), Levinson et al.
Ringold et al.; J. Mol. Appl. Genet. 1: 165 (1981).
Goeddel David V.
Kohr William J.
Levinson Arthur D.
Pennica Diane
Simonsen Christian C.
Dreger Walter H.
Genentech Inc.
Martinell James
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