摘要：Bioengineering of the mammary gland to produce proteins of therapeutic and industrial value is the result of extensive investigation of the physiology of the mammary gland and the ability to generate transgenic animals. Targeting the expression of heterologous proteins to mammary tissue requires a thorough understanding of the biochemical events that coordinate growth and differentiation of the mammary gland and of the hormonal and developmental regulation of expression of milk protein genes. The characterization of mammary-specific promoter regions in milk protein genes and knowledge of the mechanisms that confer integration site-independent expression of transgenes have significantly contributed to modifying the mammary gland to produce heterologous proteins of therapeutic interest. The generation of large transgenic farm animals provides the opportunity for large-scale production of proteins in milk that have a therapeutic value but are naturally present at low concentrations in biological fluids. Transgenic mammary epithelial cells offer a versatile research model in biomedical, environmental health, and neonatal toxicology research. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (2.4M), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 846 847 848 849 850 851
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