Proteins for life

We're Here To Solve Your Biggest Protein Challenges

ExpreS2ion develops a portfolio of vaccines for diseases such as COVID-19, influenza and breast cancer through the use of its non-viral Drosophila S2 cells-based expression system, ExpreS2, that is recognized for handling even the toughest protein challenges.

The company also collaborates on additional projects, including several malaria vaccines, and offers a range of protein expression and production services from discovery to pre-clinical development and cGMP production.

Latest press release

ExpreS2ion announces interim results for the first nine months of 2020

Hørsholm, Denmark, November 19, 2020 – ExpreS2ion Biotech Holding AB (“ExpreS2ion”) today announces its interim financial results for the first nine months of 2020 and the third quarter of 2020. The Interim Report (Q3) is available as an attachment and on ExpreS2ion's website ( Below is a summary of the report.

Read more