PlasmidFactory is the leading contract manufacturer of plasmid and minicircle DNA and the driving force in the development of gene vectors for gene and cell therapy and genetic vaccination. PlasmidFactory’s research and development as well as the complete services are located in Bielefeld, Germany.
Customised plasmids and minicircles
PlasmidFactory’s individual manufacturing service is frequently used by researchers from the fields of transfection and drug delivery, virus production, nano-biotechnology, gene therapy, cell or tumor therapy, and RNA or DNA vaccination. The company offers the production of plasmid and minicircle DNA in several quality grades: Research Grade and ccc Grade qualities for research purposes and pre-clinical applications, High Quality Grade as starting material for e.g. GMP production of RNA, viral vectors and CAR-T cells.
In Stock Services
Our In Stock products are deliverable immediately “off-the-shelf” – e.g. reporter genes (gfp, lacZ, luc), AAV Helper & Packaging plasmids (2-Plasmid-System, pDG/pDP family, several serotypes) or pEPI / pEpito plasmids (containing S/MAR elements).
On request, plasmid DNA storage and logistics can be organized, supplementing the company’s service portfolio. PlasmidFactory’s proprietary method for quantification of the structural diversity of plasmid DNA by means of capillary gel electrophoresis (CGE) is the only reliable method able to determine the stability of plasmid DNA, e.g. during storage.
Minicircle – a safe vector system
Minicircles (MC) are circular DNA molecules that are generated e.g. by an intramolecular (cis-) recombination from a parental plasmid (PP). The difference between MC and standard plasmid vectors for gene therapy or nucleic acid vaccination is that the MC contains neither the bacterial origin of replication (needed only in bacteria for the amplification of plasmids in cell division) nor any antibiotic resistance markers or other selection systems to keep the plasmid in high amounts within the producer cell. Hence, minicircles are the most promising tools to achieve both, increased efficacy as well as regulatory requirements for future clinical applications. PlasmidFactory is the exclusive owner of all relevant patents and IP in this field and provides service production of these supercoiled monomeric constructs, according to clients’ requirements.
Starting material for mRNA vaccines in large quantities
In particular, the High Quality Grade production of plasmid DNA as a starting material for the production of RNA vaccines has gained in importance, especially in the context of the COVID-19 pandemic, as RNA is a promising vaccine candidate for the prevention of certain virus infections, with the additional advantage of not integrating into the genome of the cell and thus remaining as a potentially effective molecule in a patient’s body in the long term.
PlasmidFactory has developed and established the process for the production of the corresponding plasmid DNA.
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