Controlled expression of recombinant proteins

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

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4351723, 536 241, C12N 1567

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active

055344186

ABSTRACT:
The present invention provides methods for the controlled production of recombinant proteins in cells. Cells employed in the invention method contain a gene encoding the desired recombinant protein, with transcription of the gene maintained under the control of a transcriptional control element which is activated by a ligand/receptor complex. The ligand/receptor complex is formed when a ligand (which is a hormone or/and analog thereof) is complexed with a receptor (which is a hormone receptor or functional analog thereof which has the transcription activating properties of the receptor). Receptor is produced by the expression of non-endogenous DNA which is also present in the cells used for production of recombinant protein.

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