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Bavaria supports SIRION in development of AAV-delivered protective antibodies against coronaviruses

news-releasesSIRION Biotech GmbH
October 1st 2020

Martinsried, Germany: – The Bavarian State Government is supporting research by specialist viral vector supplier SIRION Biotech GmbH in partnership with the Erlangen University Hospital in developing antibodies against SARS-CoV2 coronavirus variants including COVID-19.

The joint project will now receive additional funding via the Bavarian Research Foundation (Bayerischen Forschungsstiftung), focusing on identification of protective coronavirus antibodies and vaccine development using viral vector technologies, with particular emphasis on adeno-associated viruses (AAVs).

AAV-delivered antibodies

In early March, the researchers from National Institute of Allergy and Infectious Diseases (NIAID), US presented results using AAV-mediated expression of anti-HIV antibodies that demonstrated safe and sustained levels of the delivered antibodies in patients’ blood.1 These data provide evidence that AAV may exhibit protective quantities of virus neutralizing antibodies and that this approach can be applied for currently existing SARS-CoV2-variants.

SIRION and University Hospital of Erlangen already use AAV technology for passive immunization with virus-neutralizing antibodies. The aim of the latest research is to provide protective antibodies against SARS-CoV-2 circulating in blood for at least six months following a single administration. According to the researchers from the University Hospital of Erlangen, first passive vaccinations against coronavirus seem possible already at the end of the year. 2

COVID-19 priorities

These research findings will also serve as a basis for SIRION ’s design of AAV technologies for rapid expression of antibodies or other proteins in further applications.

The acknowledgment by the State of Bavaria confirms SIRION’s strategy to giving priority to research projects aiming at COVID-19 vaccines and therapies despite overall tight capacities in viral vector manufacturing. SIRION is carrying out further research focusing on adenovirus Ad19a/64 vector-based technologies for vaccines as well as constitutive and inducible lentivirus platforms for assay and therapeutics developments.

Shared gene therapy focus

Based at Martinsried, near Munich, SIRION is a world leader in viral vector-based gene delivery technologies for gene and cell therapy.

Erlangen University Hospital (Universitaetsklinikum Erlangen) is one of Germany’s most respected medical research centers, whose prominence has contributed to Erlangen becoming known as the “City of Health and Medicine”.

Both share an understanding that gene and cell therapy are among the hottest topics in modern drug development, with viral vectors providing a critical gene editing tool allowing for breakthrough treatments for so far incurable diseases, as well as the reduced drug dosages needed to improve patient safety and affordability.

SIRION’s core competencies in vector design and manufacturing protocols, proven during thousands of development projects with drug developers, are both key to developing effective coronavirus vaccines. SIRION has recently shown impressive business growth and an expanding international presence, adding offices in Paris and Boston, as well as a fifth research and production facility near the Heidelberg University campus.

About SIRION Biotech

Founded at Martinsried, near Munich, in 2007, SIRION Biotech has become Europe’s leading commercial supplier of viral vectors used for genetic research, clinical target validation, cell and gene therapy and vaccination studies. It is SIRION’s mission to change the paradigm for viral vector supplies, with their ability to develop and supply all major viral vector types (adenovirus, lentivirus, AAV) within a matter of weeks at the concentration titres and quantities needed for preclinical human and animal testing.

Its unique focus on improving transduction efficiencies and safety makes SIRION Biotech a valuable technology partner for gene and cell therapy trials. LentiBOOST transduction reagent is actively used to improve, among others, hematopoietic cell transductions in clinical trials. NextGen AAV capsid evolution projects aim to improve tissue targeting and immune escape of capsids to usher in a new generation of therapeutics for international gene therapy companies. SIRION offerings include the RNAiONE knockdown validation platform for short-hairnpin RNA (shRNA) screeing along with a full range of virus related services, ranging from viral particle production to virus driven cell modelling.

SIRION Biotech International is a wholly-owned subsidiary of SIRION Biotech GmbH providing custom engineering and manufacturing services of viral vectors for the life sciences industry.

Learn more at: www.sirion-biotech.com

Resources 

1JP Casazzaet al. Durable HIV-1 antibody production in humans after AAV8-mediated gene transfer. Oral presentation at the 2020 Conference on Retroviruses and Opportunistic Infections (CROI). Presented March 9, 2020.

2 Neue Möglichkeiten für Immundiagnostik und -therapie bei COVID-19, Pressemitteilungen, Universitätsklinikum Erlangen, April 22, 2020.

3 Bayerische Forschungsstiftung: Zuschüsse von rund 3,3 Millionen Euro für 12 Projekte im Foerderschwerpunkt, COVID-19-Forschung, August 28, 2020.

Bavaria supports SIRION in development of AAV-delivered protective antibodies against coronaviruses

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