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Nanoparticles conjugated with IgG Fc can be targeted to the intestinal epithelium. (a–c) FcRn is expressed in different parts of the intestines. (d) Nanoparticle intestinal uptake in mice shown here in red Source: Reprinted/adapted from Pridgen et al. Sci Transl Med. 2013;5(213):213ra167, © The Authors, some rights reserved, exclusive licensee AAAS. Distributed under a CC BY‐NC 4.0 license http://creativecommons.org/licenses/by‐nc/4.0/
