Regulation of translation for recombinant protein production

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Recombinant dna technique included in method of making a...

Reexamination Certificate

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C435S325000, C435S358000, C435S359000, C435S360000, C435S361000, C435S455000

Reexamination Certificate

active

07091004

ABSTRACT:
The invention provides cells that produce increased levels of recombinant protein by modulating the activity of translational regulator gene products that are downstream targets of PKB alpha, methods of making such cells, and methods of using such cells. Such translational regulator gene products include 4E-BP1 and mTOR.

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patent: 2003/0040047 (2003-02-01), Farwick et al.
patent: WO 00/68400 (2000-11-01), None
Hara et al. Regulation of elF-4E BPI Phosphorylation by mTOR*. J. Biol. Chem. 272:26457-26463, 1997.
Aoki et al., “A role of the kinase mTOR in cellular transformation induced by the oncoproteins P3k and Akt,”PNAS 98(1):136-141, Jan. 2, 2001.
Dufner et al., “Protein Kinase B Localization and Activation Differentially Affect S6 Kinase 1 Activity and Eukaryotic Translation Initiation Factor 4E-Binding Protein 1 Phosphorylation,”Mol and Cell Biol 19(6):4525-4534, Jun. 1999.
Gingras et al., “4E-BP1, a repressor of mRNA translation, is phosphorylated and inactivated by the Akt(PKB) signaling pathway,”Genes and Development 12:502-513, 1998.
Robbins and Horlick, “Macrophage Scavenger Receptor Confers Adherent Phenotype to Cells in Culture,”BioTechniques 25(2):240-244, 1998.
Stambolic et al., “Modulation of cellular apoptotic potential: contributions to oncogenesis,”Oncogene 18:6094-6103, 1999.
Vanhaesebroeck and Alessi, “The P13K-PDK1 connection: more than just a road to PKB,”Biochem J 346:561-576, 2000.

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