نتایج جستجو برای: cho dg44
تعداد نتایج: 13351 فیلتر نتایج به سال:
Because of the broad neutralization and in vivo protection across influenza A and influenza B virus strains, monoclonal antibody CR9114 is widely used in influenza virus research as a positive control in many experiments. To produce amounts sufficient for the demand requires regular transient transfections, resulting in varying yield as well as differing batch to batch quality. Here, we report ...
Application of a curated genome-scale metabolic model of CHO DG44 to an industrial fed-batch process
Mammalian cells are generally considered to be unable to utilize polysaccharides for cell growth because the phospholipid bilayer in the cell membrane has very low permeability to sugars. With the recent discovery of the only known animal disaccharide transporter, a sucrose transporter, we considered the potential use of polysaccharides as energy source, because that can impact biopharmaceutica...
Background Transient gene expression (TGE) allows rapid protein production in mammalian cells and has become an important tool in the pharmaceutical product development pipeline [1]. Polyethylenimine (PEI)-mediated, high-density transfection allowed to express recombinant proteins at yields exceeding 1 g/L in only a few weeks [2]. Although highly efficient protocols are available, volumetric sc...
Recombinant monoclonal antibodies (mAbs) against tumor necrosis factor alpha are widely used in the biopharmaceutical therapy of autoimmune diseases. Currently, a large number of drugs based on these antibodies are available. Accordingly, the development of these products for the Russian market is an important goal. The aim of the current study is to describe the development of one such technol...
The use of high stringency selection systems commonly results in a strongly diminished number of stably transfected mammalian cell lines. Here we placed twelve different promoters upstream of an adjacent primary promoter and tested whether this might result in an increased number of colonies; this is in the context of a stringent selection system. We found that only the promoter of the human ri...
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