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Using transient expression, high amounts (>20 mg/mL) of secreted anti-human Rhesus-D IgG1 were produced in a suspension-adapted HEK293 EBNA cell line (Meissner et al., Biotechnol Bioeng 75: 197-203, 2001). Time of harvest was 3 days after transfection. For ...
AIMS/HYPOTHESIS: The transcription factor Pdx1 is required for the development and differentiation of all pancreatic cells. Beta-cell specific inactivation of Pdx1 in developing or adult mice leads to an increase in glucagon-expressing cells, suggesting th ...
RNA interference has emerged as a powerful technique to downregulate the expression of specific genes in cells and in animals, thus opening new perspectives in fields ranging from developmental genetics to molecular therapeutics. Here, we describe a method ...
One of the major constraints to performing large-scale transfections of cultured mammalian cells for the transient expression of recombinant proteins is the production of large quantities of purified plasmid DNA. In this report partially purified plasmid D ...
This is the first report of two successful 100 l scale transienttransfections in a standard stirred bioreactor. More than half a gram of a monoclonal antibody (IgG) were produced in less than 10 days using a technology called large-scale transient gene exp ...
Viral delivery of glial cell line-derived neurotrophic factor (GDNF) currently represents one of the most promising neuroprotective strategies for Parkinson's Disease (PD). However, the effect of this neurotrophic factor has never been tested in the newly ...
Efficient vector transduction of hematopoietic stem cells is a requirement for successful gene therapy of hematologic disorders. We asked whether human umbilical cord blood CD34(+)CD38(lo) nonobese diabetic/severe combined immunodeficiency (NOD/SCID) repop ...
Tumor angiogenesis is a rate-limiting factor for tumor growth, and the endothelial cells of tumor vessels display specific features that can be exploited for the selective delivery of cancer therapeutics. To specifically target exogenous genes to angiogeni ...
Cultivated mammalian cells have become the dominant system for the production of recombinant proteins for clinical applications because of their capacity for proper protein folding, assembly and post-translational modification. Thus, the quality and effica ...
Calcium phosphate transfection is a widely used method to produce recombinant proteins in mammalian cells. However, the mechanisms involved in plasmid DNA transfer to the nucleus of the transfected cells remain poorly understood and result in great variati ...