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Contact: elerner@upenn.edu
University of Pennsylvania

Diagram of Macrophage Interaction

Caption: Macrophages are immune cell 'border guards' that have evolved to eat all sorts of foreign microbes, but they also eat many particles that are intended for therapeutics and imaging. A 'Minimal peptide "Passport"' attached to the particles provides recognition signals so that the particles are not eaten, thus improving delivery to diseased cells in the body.

Credit: Mary Leonard, Biomedical Art & Design, University of Pennsylvania

Usage Restrictions: With credit.

Related news release: Penn researchers develop protein 'passport' that help nanoparticles get past immune system

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