St. Jude Reference #SJ-01-0012
The inventors discovered that proteins produced in insect cells by standard baculovirus expression systems are glycosylated in a unique way, which causes them to be selectively taken up by cells of the reticuloendothelial system, including macrophages. This discovery has particular significance for proteins used to treat lysosomal storage disorders(LSDs) in which the primary therapeutic target for such proteins are macrophages. Simply by producing such proteins in insect cells, this discovery reveals that they will be targeted for uptake by macrophages.
Lysosomal storage disorder, macrophage, baculovirus, insect cell, protein production
Granted patents or published applications
U.S. Patent Nos. 7,232,670 and 7,241,442
Related scientific references
Bonten et al., American Journal of Human Genetics, Suppl. Vol. 69 (4): Abst.1759 (Oct. 2001);
Bonten EJ, et al., "Targeting macrophages with baculovirus-produced lysosomal enzymes: implications for enzyme replacement therapy of the glycoprotein storage disorder galactosialidosis", FASEB J. 18(9): 971-973 (June 2004).
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