CD8- DCs induce IL-12-independent Th1 differentiation through Delta 4 Notch-like ligand in response to bacterial LPS.
CD8- DCs induce IL-12-independent Th1 differentiation through Delta 4 Notch-like ligand in response to bacterial LPS.
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DOI:
10.1084/jem.20062305
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发表时间:
2007-07-09
期刊:
影响因子:
--
通讯作者:
Nussenzweig MC
中科院分区:
文献类型:
--
作者:
Skokos D;Nussenzweig MC
Toll-like receptor (TLR) ligation is believed to skew T cell responses toward T helper (Th)1 differentiation by inducing interleukin (IL)-12 secretion by CD8+ dendritic cells (DCs). However, TLR-dependent Th1 responses occur in the absence of IL-12. To determine how DCs induce Th1 differentiation in the absence of IL-12, we examined the response of IL-12–deficient DCs to bacterial lipopolysaccharide (LPS). We find that LPS activates MyD88-dependent Delta 4 Notch-like ligand expression by CD8− DCs, and that these cells direct Th1 differentiation by an IL-12–independent and Notch-dependent mechanism in vitro and in vivo. Thus, activation of the two DC subsets by TLR4 leads to Th1 responses by two distinct MyD88-dependent pathways.
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DOI:
10.1084/jem.194.6.769
发表时间:
2001-09-17
期刊:
The Journal of experimental medicine
影响因子:
--
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Hawiger D;Inaba K;Dorsett Y;Guo M;Mahnke K;Rivera M;Ravetch JV;Steinman RM;Nussenzweig MC
通讯作者:
Nussenzweig MC
影响因子:
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