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Abstract
Grant Number: 2R44GM064096-02 PI Name: HEYER, BABETTE S. PI Email: bheyer@origentherapeutics.com PI Title: Project Title: A universal recipient for protein production in eggs Abstract: DESCRIPTION (provided by applicant): To date, chimeric chickens are made by injecting blastodermal cells or embryonic stem cells into the stage X embryo (recipient), but the frequency and level of chimerism is variable and unpredictable (Petitte et al., 1990; Petitte et al., 1993). We are developing a universal recipient that contributes minimally, so that the contribution of donor derived cells to the resulting chimera is constantly high and predictable. These high-grade chimeras can be used to produce biopharmaceutical proteins in chicken eggs as soon as the chimeras commence laying and before they transmit the gene encoding the biopharmaceutical protein to the next generation. In addition, these high-grade chimeras will allow the production of biopharmaceutical proteins if the transgene interferes with their ability to reproduce. The end point of this research is a robust system to produce high-grade chimeras in highly predictable way. Using this system biopharmaceutical proteins can be produced quickly, in a scalable system and at minimal cost.
Thesaurus Terms:
biological product, biotherapeutic agent, chicken, egg /ovum, method development, protein biosynthesis, transgenic animal
bioreactor, genetic promoter element, recombinant protein
biotechnology, molecular cloning
Institution: ORIGEN THERAPEUTICS 1450 ROLLINS RD BURLINGAME, CA 940102307 Fiscal Year: 2003 Department: Project Start: 01-SEP-2001 Project End: 30-JUN-2005 ICD: NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES IRG: ZRG1
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