Cutting edge: Roles for Batf3-dependent APCs in the rejection of minor histocompatibility antigen-mismatched grafts

Shaikh M. Atif, Michelle K. Nelsen, Sophie L. Gibbings, A. Nicole Desch, Ross M. Kedl, Ronald G. Gill, Philippa Marrack, Kenneth M. Murphy, Todd J. Grazia, Peter M. Henson, Claudia V. Jakubzick

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

In transplantation, a major obstacle for graft acceptance in MHC-matched individuals is the mismatch of minor histocompatibility Ags. Minor histocompatibility Ags are peptides derived from polymorphic proteins that can be presented by APCs on MHC molecules. The APC subtype uniquely responsible for the rejection of minor Ag-mismatched grafts has not yet been identified. In this study, we examined graft rejection in three mouse models: 1) mismatch of male-specific minor Ags, 2) mismatch of minor Ags distinct from male-specific minor Ags, and 3) skin transplant. This study demonstrates that in the absence of pathogen-associated molecular patterns, Batf3-dependent dendritic cells elicit the rejection of cells and grafts expressing mismatched minor Ags. The implication of our findings in clinical transplantation may be significant, as minor Ag reactivity has been implicated in the pathogenesis of multiple allograft tissues.

Original languageEnglish
Pages (from-to)46-50
Number of pages5
JournalJournal of Immunology
Volume195
Issue number1
DOIs
StatePublished - Jul 1 2015

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