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Polymeric synthetic nanoparticles for the induction of antigen-specific immunological tolerance

Author(s)
Maldonado, Roberto A.; LaMothe, Robert A.; Ferrari, Joseph D.; Zhang, Ai-Hong; Rossi, Robert J.; Kolte, Pallavi N.; Griset, Aaron P.; O'Neil, Conlin P.; Altreuter, David H.; Browning, Erica A.; Johnston, Lloyd P. M.; Farokhzad, Omid C.; Scott, David W.; von Andrian, Ulrich H.; Kishimoto, Takashi Kei; Langer, Robert S; ... Show more Show less
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Abstract
Current treatments to control pathological or unwanted immune responses often use broadly immunosuppressive drugs. New approaches to induce antigen-specific immunological tolerance that control both cellular and humoral immune responses are desirable. Here we describe the use of synthetic, biodegradable nanoparticles carrying either protein or peptide antigens and a tolerogenic immunomodulator, rapamycin, to induce durable and antigen-specific immune tolerance, even in the presence of potent Toll-like receptor agonists. Treatment with tolerogenic nanoparticles results in the inhibition of CD4+ and CD8+ T-cell activation, an increase in regulatory cells, durable B-cell tolerance resistant to multiple immunogenic challenges, and the inhibition of antigen-specific hypersensitivity reactions, relapsing experimental autoimmune encephalomyelitis, and antibody responses against coagulation factor VIII in hemophilia A mice, even in animals previously sensitized to antigen. Only encapsulated rapamycin, not the free form, could induce immunological tolerance. Tolerogenic nanoparticle therapy represents a potential novel approach for the treatment of allergies, autoimmune diseases, and prevention of antidrug antibodies against biologic therapies.
Date issued
2014-12
URI
http://hdl.handle.net/1721.1/97585
Department
Massachusetts Institute of Technology. Department of Chemical Engineering; Koch Institute for Integrative Cancer Research at MIT
Journal
Proceedings of the National Academy of Sciences
Publisher
National Academy of Sciences (U.S.)
Citation
Maldonado, Roberto A., Robert A. LaMothe, Joseph D. Ferrari, Ai-Hong Zhang, Robert J. Rossi, Pallavi N. Kolte, Aaron P. Griset, et al. “Polymeric Synthetic Nanoparticles for the Induction of Antigen-Specific Immunological Tolerance.” Proceedings of the National Academy of Sciences 112, no. 2 (December 29, 2014): E156–E165.
Version: Final published version
ISSN
0027-8424
1091-6490

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