Immunoglobulin display vectors

Chemistry: molecular biology and microbiology – Vector – per se

Reexamination Certificate

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C435S325000

Reexamination Certificate

active

07947495

ABSTRACT:
Disclosed are mammalian expression vectors for expressing simultaneous expression of immunoglobulins as both a secreted and cell surface bound form.

REFERENCES:
patent: 2002/0123057 (2002-09-01), Zauderer
patent: 2005/0059082 (2005-03-01), Breitling
patent: 2005/0196755 (2005-09-01), Zauderer
patent: 2005/0221430 (2005-10-01), Prentice
patent: 2009/0111126 (2009-04-01), Akamatsu
patent: 1340088 (2007-01-01), None
patent: 03-029456 (2003-04-01), None
patent: 2007-131774 (2007-11-01), None
Brezinsky et al., “A simple method for enriching populations of transfected CHO cells for cells of higher specific productivity,” Journal of Immunological Methods, Elsevier Science Publishers B.V., Amsterdam, NL vol. 277, No. 1-2. Jun. 1, 2003, pp. 141-155.
Browne et al., “Selection methods for high-producing mammalian cell lines,” Trends in Biotechnology, Elsevier Publications, Cambridge, GB, vol. 25, No. 9, Aug. 23, 2007, pp. 425-432.
Mattanovich Diethard et al., “Applications of cell sorting in biotechnology,” Microbial Cell Factories, Biomed Central, London, NL, vol. 5, No. 1, Mar. 21, 2006, p. 8.
Li et al., A Comparative study of different vector designs for the mammalian expression of recombinant IgG antibodies, Journal of Immunological Methods, Elsevier Science Publishers B,V., Amsterdam, NL, vol. 318, No. 1-2, Jan. 3, 2007, pp. 113-124.
International Search Report and Written Opinion for PCT/US2008/082131, dated Sep. 29, 2009.

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