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In this work, an intracellular protein delivery methodology termed “proteolistics” is described. This method utilizes a biolistic gun apparatus and involves a simple protein/projectile preparation step. The protein to be delivered is mixed with a gold particle microprojectile suspension and is placed onto a gene gun cartridge, where it is dehydrated using either lyophilization or room-temperature...
We have produced a functional heat labile enterotoxin (LT-) B subunit of Escherichia coli in maize. LT-B is a multimeric protein that presents an ideal model for an edible vaccine, displaying stability in the gut and inducing mucosal and systemic immune responses. Transgenic maize was engineered to synthesize the LT-B polypeptides, which assembled into oligomeric structures with affinity for GM1 gangliosides...
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