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Sirion Biotech GmbH. (10/28/15). "Press Release: Novelty at Upcoming Bio Europe in Munich. Sirion Biotech Announces High Production Yields with Toxic Antigens for Vaccine Production". Munich.

Organisations Organisation Sirion Biotech GmbH
  Organisation 2 University of Copenhagen
Products Product HEK 293 cell line
  Product 2 Ad19a vector
Person Person Thirion, Christian (Sirion Biotech 201106 Managing Director + Founder)
     


Progress made with novel breakthrough vaccines: new production cell lines cope with difficult to express toxic antigens


Very soon will there be novel breakthrough vaccines in the market. Associating vaccines with just prophylaxis is a thought of the past, increasingly, vaccines will demonstrate therapeutic effects specifically in the field of so far difficult to address tumor diseases (immune therapies).

A critical hurdle has in the past been making enough of the vaccine vector material. This is especially difficult if not impossible when critical antigens are toxic because they are of viral or bacterial origin as is the case for HIV envelope proteins and bacterial virulence factors. This occurs in the majority of cases.

In a 2-years development project SIRION Biotech applied genetic modification to widespread and inexpensive HEK293 cells and suppressed specific antigen production during the process. This novel cell line overcomes production issues related to all DNA-based viral vectors that are expressing toxic proteins during the process. The technology is generally applicable to the production of DNA-vector based vaccines and can be applied to common vaccine production cell lines.

SIRION Biotech collaborates with Prof. Peter Holst from University of Copenhagen and combines new antigens with his innovative invariant chain adjuvant technology for the benefit of novel cancer immune therapies. Basis of such co-development is SIRION's lead candidate Ad19a as novel adenovirus serotype with promising immune response-stimulating activity. Next step is to study tolerance and efficiency in primates.

Experts gathering for Bio Europe in Munich next week will discuss applications of this novelty.


About SIRION Biotech www.SIRION-Biotech.com

SIRION Biotech started in Munich in 2007 with the idea of developing next generation viral vectors for research, gene therapy and vaccines. This required the assembly of an all-encompassing, novel viral vector platform. Both, designing de novo viral vectors and the subsequent creation of custom cell models will pave the way for superior compound development in the life sciences. SIRION's technologies have been validated in over 500 single projects with more than 150 academic and industrial partners.

Contact SIRION Biotech:

SIRION BIOTECH GmbH
Dr. Christian Thirion
Am Klopferspitz 19
D-82152 Martinsried
Tel.: +49-89-700 961 99-15
eMail: Thirion@SIRION-Biotech.com

www.SIRION-Biotech.com

   
Record changed: 2019-01-13

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