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Adaptor protein-3 in dendritic cells facilitates phagosomal toll-like receptor signaling and antigen presentation to CD4(+) T cells
Authors:Mantegazza Adriana R  Guttentag Susan H  El-Benna Jamel  Sasai Miwa  Iwasaki Akiko  Shen Hao  Laufer Terri M  Marks Michael S
Affiliation:Department of Pathology & Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
Abstract:
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  • Highlights? AP-3 is selectively required for optimal MHC-II presentation of phagocytosed antigen ? AP-3-deficient dendritic cells induce impaired CD4+ T cell inflammatory responses ? AP-3 regulates TLR4 delivery to phagosomes and subsequent inflammatory signaling ? AP-3 regulates phagosomal peptide:MHC-II complex delivery to the cell surface
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