Cross-presentation of cell-associated antigens by MHC class I in dendritic cell subsets

Enrique Gutierrez Martinez, Remi Planès, Giorgio Anselmi, Matthew Reynolds, Shinelle Menezes, Aimé Cézaire Adiko, Loredana Saveanu, Pierre Guermonprez*

*Corresponding author for this work

Research output: Contribution to journalLiterature reviewpeer-review

130 Citations (Scopus)

Abstract

Dendritic cells (DCs) have the unique ability to pick up dead cells carrying antigens in tissue and migrate to the lymph nodes where they can cross-present cell-associated antigens by MHC class I to CD8+ T cells. There is strong in vivo evidence that the mouse XCR1+ DCs subset acts as a key player in this process. The intracellular processes underlying cross-presentation remain controversial and several pathways have been proposed. Indeed, a wide number of studies have addressed the cellular process of cross-presentation in vitro using a variety of sources of antigen and antigen-presenting cells. Here, we review the in vivo and in vitro evidence supporting the current mechanistic models and disscuss their physiological relevance to the cross-presentation of cell-associated antigens by DCs subsets.

Original languageEnglish
Article number363
JournalFrontiers in Immunology
Volume6
Issue numberJUL
DOIs
Publication statusPublished - 17 Jul 2015

Keywords

  • Antigen processing
  • Cross-presentation
  • Cross-priming
  • Dendritic cells
  • MHC class I
  • Phagocytosis

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