1. Quel est le rôle principal des cellules dendritiques dans l'activation des lymphocytes T naïfs ?
2. Quel organe est responsable du développement et de la sélection des lymphocytes T ?
3. Quelle cytokine est principalement responsable de la différenciation des LT CD4+ en sous-population Th1 ?
Priming LT — étape clé ?
Activation par cellules dendritiques
LT développement — lieu?
Thymus, via sélection positive/négative
Signaux d'activation — composants ?
TCR/CMH, co-stimulation, cytokines
Priming des LT naïfs — signaux?
TCR/CMH, co-stimulation, cytokines
Différenciation LT — influence ?
Cytokines spécifiques (IL-12, IL-4, TGF-β)
Différenciation Th1 — cytokine?
IL-12
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