Hyperbranched Polylysine: A Versatile, Biodegradable Transfection Agent for the Production of Recombinant Proteins by Transient Gene Expression and the Transfection of Primary Cells
2012
The feasibility of a new transfection agent, HBPL, for the production of recombinant IgG antibody via TGE as well as for the transfection of primary cells is studied. Under the conditions investigated, transfection of CHO-DG44 cells using HBPL results in IgG yields that are comparable to those obtained with PEI. In experiments with CHO-K1 cells and MEFs the use of HPBL allows to achieve transfection efficiencies comparable to or better than those obtained with PEI or Fugene (R). HBPL-mediated transfection does not require complex pre-formation, works well in serum-containing media and is biodegradable, which may prevent cumulative cytotoxicity and facilitates downstream processing.
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