Vlaams Interuniversitair Instituut Voor Biotechnologie

Tom Maria Deroo

Walter C Fiers

Willy Alfons Min Jou

Marina De Filette

Marleen Maras

A method for manufacturing recombinant neuraminidase by culturing in a suitable culture medium host cells which are transformed with a neuraminidase expression vector or infected with a virus which is transformed with a neuraminidase expression vector, wherein the expression vector comprises at least a part of the coding region of a neuraminidase gene of an influenza virus minus the region which codes for the membrane anchor, or a modified version thereof, preceded in phase by a signal sequence; and isolating the expression product neuraminidase from the culture medium. The invention further relates to vectors expressing the neuraminidase.

Influenza vaccine

The present invention relates to a chimeric protein comprising an antigen and an oligomerisation domain. The present invention relates further to recombinant oligomeric protein complexes comprising said chimeric protein and the use thereof for the manufacture of a vaccine.

Recombinant oligometric protein complexes with enhanced immunogenic potential

A recombinant neuraminidase obtainable by culturing in a suitable culture medium host cells which are transformed with a neuraminidase expression vector or infected with a virus which is transformed with a neuraminidase expression vector, wherein the expression vector comprises at least a part of the coding region of a neuraminidase gene of an influenze virus minus the region which codes for the membrane anchor, or a modified version thereof, preceded in phase by a signal sequence; and isolating the expression product neuraminidase from the culture medium. The invention further relates to a vaccine in which the recombinant neuraminidase is applied.

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Kuurne, Belgium

Tom Maria Deroo