2010
DOI: 10.1038/ni.1838
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Temporal changes in dendritic cell subsets, cross-priming and costimulation via CD70 control CD8+ T cell responses to influenza

Abstract: The question of which dendritic cells (DCs) respond to pulmonary antigens and cross-prime CD8+ T cells remains controversial. We show that influenza-specific CD8+ T cell priming is controlled by different DCs at different times after infection. Whereas early priming is controlled by both CD103+CD11blo and CD103-CD11bhi DCs, CD103-CD11bhi DCs dominate antigen presentation at the peak of infection. Moreover, CD103-CD11bhi DCs capture exogenous antigens in the lung and directly cross-prime CD8+ T cells in the dra… Show more

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Cited by 241 publications
(296 citation statements)
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“…An important role for CD11b À cDC in mediating antiviral protection in the lung is also supported by a study in mice lacking the Batf3 transcription factor, which is crucial for the development of CD11b À and CD8a 1 cDC [21]. These data are however in clear contrast to a paper demonstrating that at the peak of infection, CD11b 1 DC and not the CD11b À CD103 1 or CD8a 1 resident cDC are the predominant cell types performing the task of CD8 1 T-cell priming via expression of the costimulatory molecule CD70 [48]. These contradictory findings could be due to the infective dose of virus and differential effects of direct infection of DC by influenza virus (leading to direct presentation to CD8 1 T cells if DC do not die in the process of infection) or indirect effects mediated by cross-presentation.…”
Section: Lung DC Subsets and Antiviral Immunity: Influenza As The Parmentioning
confidence: 79%
“…An important role for CD11b À cDC in mediating antiviral protection in the lung is also supported by a study in mice lacking the Batf3 transcription factor, which is crucial for the development of CD11b À and CD8a 1 cDC [21]. These data are however in clear contrast to a paper demonstrating that at the peak of infection, CD11b 1 DC and not the CD11b À CD103 1 or CD8a 1 resident cDC are the predominant cell types performing the task of CD8 1 T-cell priming via expression of the costimulatory molecule CD70 [48]. These contradictory findings could be due to the infective dose of virus and differential effects of direct infection of DC by influenza virus (leading to direct presentation to CD8 1 T cells if DC do not die in the process of infection) or indirect effects mediated by cross-presentation.…”
Section: Lung DC Subsets and Antiviral Immunity: Influenza As The Parmentioning
confidence: 79%
“…[4][5][6], virus (virus de l'herpès, virus de la grippe, etc.) [6][7][8], levures ou parasites [9,10]. C'est également le cas dans des modèles d'inflammation expérimentale en l'absence de pathogène [11][12][13][14][15] ou encore dans des modèles de maladies inflammatoires (asthme, colite, arthrite rhumatoïde, sclérose en plaques) [6,[16][17][18] (Figure 1).…”
Section: Définition Des Cellules Dendritiques Inflammatoiresunclassified
“…Dans différents modèles d'inflammation, les cellules dendritiques inflammatoires directement purifiées à partir des tissus ou organes lymphoïdes peuvent activer ex vivo des lymphocytes T CD4 + spécifiques de l'antigène étudié. Cela indique que les cellules dendritiques inflammatoires ont capturé l'antigène in vivo et sont capables de le présenter efficacement [4,7,9,[14][15][16]21]. Il semblerait que le type de réponse induite (réponse T helper de type 1, type 2, etc.)…”
Section: Le Rôle Des Cellules Dendritiques Inflammatoires Dans L'actiunclassified
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