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Inducible transgenic mice reveal resting dendritic cells as potent inducers of CD8+ T cell tolerance


Probst, Hans Christian; Lagnel, Jacques; Kollias, George; van den Broek, Maries (2003). Inducible transgenic mice reveal resting dendritic cells as potent inducers of CD8+ T cell tolerance. Immunity, 18(5):713-720.

Abstract

Dendritic cells (DC) are inducers of immune responses par excellence. They also seem responsible for the induction of peripheral T cell tolerance. To investigate these opposite functions of DC, we generated a Cre/LoxP-based system that allows inducible antigen presentation by DC in vivo. This enables us to study the immunogical consequences of antigen presentation by resting versus mature DC without adoptively transferring DC and with physiological numbers of endogenous, naive responder T cells. We found that presentation of LCMV-derived CTL epitopes by resting DC resulted in antigen-specific tolerance, which could not be broken by subsequent infection with LCMV. On the other hand, antigen presentation by activated DC primed endogenous CTL to expand and to develop protective effector function.

Abstract

Dendritic cells (DC) are inducers of immune responses par excellence. They also seem responsible for the induction of peripheral T cell tolerance. To investigate these opposite functions of DC, we generated a Cre/LoxP-based system that allows inducible antigen presentation by DC in vivo. This enables us to study the immunogical consequences of antigen presentation by resting versus mature DC without adoptively transferring DC and with physiological numbers of endogenous, naive responder T cells. We found that presentation of LCMV-derived CTL epitopes by resting DC resulted in antigen-specific tolerance, which could not be broken by subsequent infection with LCMV. On the other hand, antigen presentation by activated DC primed endogenous CTL to expand and to develop protective effector function.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Experimental Immunology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:May 2003
Deposited On:09 Feb 2018 07:45
Last Modified:19 Feb 2018 21:27
Publisher:Cell Press (Elsevier)
ISSN:1074-7613
OA Status:Hybrid
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1016/S1074-7613(03)00120-1
PubMed ID:12753747

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