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Confidential - Plant Research International - Wageningen UR

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EU-FISHOV: Personnel<br />

Catarina Matos<br />

Katinka van Roij (until March 1 st 2003)<br />

Gerard Rouwendal (from January 1 st 2003)<br />

Harm Wiegersma<br />

Shauna Hettinga<br />

Dirk Bosch<br />

Dion Florack<br />

<strong>Confidential</strong>


Summary LTB fusion proteins<br />

The larger the protein added to LTB, the lesser expression<br />

level:<br />

Steric hindrance or interference with pentamerization<br />

Solutions:<br />

Chimeric vaccines<br />

Use of LTA part<br />

Patent Application in progress<br />

<strong>Confidential</strong>


Summary N-glycosylation<br />

Mammals<br />

Humans<br />

( )<br />

( )<br />

<strong>Plant</strong>s<br />

General:<br />

N-acetylglucosamine<br />

Mannose<br />

Mammalian specific:<br />

Galactose<br />

Fucose (1,6)<br />

Sialic acid<br />

<strong>Plant</strong> specific:<br />

Xylose<br />

Fucose (1,3)<br />

<strong>Confidential</strong>


N-glycosylation<br />

Humanizing plant N-glycosylation manufacturing purposes<br />

Patent application: Galactosylation in plants<br />

Patent application: Bisected N-glycans in plants<br />

Patent application: Galactose and less Xylose and Fucose<br />

“Strategic Alliance” N-glycosylation with Dow Chem. (2002)<br />

Contract manufacturing (plant) biopharmaceuticals by Dow<br />

Focuss on therapeutic glycoproteins (human use)<br />

<strong>Confidential</strong>


N-glycosylation<br />

Dow: active research into edible plant-derived vaccines<br />

Focuss: livestock, no aquaculture (yet)<br />

Strong IP position plant-derived edible vaccines and<br />

manufacturing<br />

Future manufacturing through Dow<br />

<strong>Confidential</strong>


Questions remaining, choices to be made<br />

Bulk material: grow on request, when needed<br />

Licenses needed for GMO plant<br />

SVCV G protein derivative Where delete Tm<br />

Request for anti-SVCV G Ab<br />

What fusions to make: LTB-vhsv G/GTm; LTB-svcv G/<br />

GTm; HRP-vhsv/svcv G/ GTm<br />

<strong>Confidential</strong>


FISHOV website and advertising<br />

<strong>UR</strong>L: www.fishov.org<br />

Design, layout, who<br />

Proposal: public acc. website with project information, links<br />

to participant organizations and email contacts, “project<br />

members only”<br />

Examples: www.plant.wageningenur.nl/default.aspsection=projects<br />

Ideas<br />

<strong>Confidential</strong>


Consortium Agreement<br />

No progress to report<br />

Question: do we need it<br />

<strong>Confidential</strong>

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