William van der Touw, Paolo Cravedi, Wing-hong Kwan, Estela Paz-Artal, Miriam Merad, Peter S. Heeger
CD4+Foxp3+ regulatory T cells (Treg) are critical regulators of immune homeostasis and self-tolerance. Whereas thymic-derived or natural Treg (nTreg) stably express Foxp3, adaptive or induced Treg (iTreg) generated from peripheral CD4 T cells are susceptible to inflammation-induced reversion to pathogenic effector T cells (Teff). Building upon our previous observations that T cell-expressed receptors for C3a (C3aR) and C5a (C5aR) drive Th1 maturation, we tested the impact of C3aR/C5aR signaling on induction a…
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