Aragen Bioscience, Inc. is a leading pre-clinical Contract Research Organization located in the San Francisco Bay area and ha ... s been supporting biologics discovery and early development for over 27 years. Our services are highly collaborative and competitive, focusing on accelerating product development through high quality science, professionalism and innovation. Our integrated research offerings include antibody discovery, recombinant protein production and purification, stable cell line development as well as cell-based assays and in vivo models of many different diseases. Our Cell Line Development offers both a royalty-free and milestone-free CHO expression platform that can deliver cell lines producing up to 5g/L in 5 months. Aragen has developed cell lines and processes for antibodies and non-antibody therapeutic proteins in a variety of hosts including our own DG44-based expression systems. Our research experts come from globally reputed academic institutions and have extensive industrial biotechnology experience. Many of our customers choose us for our deep expertise in particularly challenging programs including complex formats, bi- and multi-specific antibodies and non-antibody proteins. More than three of Aragen's cell lines are currently producing marketed products. read more