The CD46-Jagged1 interaction is critical for human TH1 immunity.
The CD46-Jagged1 interaction is critical for human TH1 immunity.
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CD46 is a complement regulator with important immune-related roles. CD46 functions as a pathogen receptor and is a potent co-stimulator for the induction of interferon-γ (IFN-γ)-secreting T helper 1 (TH1) effector T cells and their subsequent switch into interleukin-10 (IL-10)-producing regulatory T cells. Here, we identify the Notch protein family member Jagged1 as a new physiological ligand for CD46. Further, CD46 regulates Notch receptors and ligands expression during T cell activation and disturbance of the CD46-Notch crosstalk impedes IFN-γ induction and IL-10 switching. Importantly, CD4+ T cells from CD46-deficient patients and patients with hypomorphic Jagged1 mutations (Alagille Syndrome) fail to mount appropriate TH1 responses in vitro and in vivo suggesting that CD46-Jagged1 crosstalk is responsible for the recurrent infections in subpopulations of these patients.
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影响因子:
4.4
作者:
Adler, SH;Chiffoleau, E;Pear, WS
通讯作者:
Pear, WS
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3.8
作者:
Adams, William C.;Berenson, Ronald J.;Lore, Karin
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Lore, Karin
影响因子:
5.4
作者:
Fuchs, Anja;Atkinson, John P.;Fremeaux-Bacchi, Veronique;Kemper, Claudia
通讯作者:
Kemper, Claudia
影响因子:
16.8
作者:
通讯作者:
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13.2
作者:
Couzi, Lionel;Contin-Bordes, Cecile;Fremeaux-Bacchi, Veronique
通讯作者:
Fremeaux-Bacchi, Veronique