期刊
BLOOD
卷 120, 期 22, 页码 4363-4373出版社
AMER SOC HEMATOLOGY
DOI: 10.1182/blood-2012-07-441311
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资金
- National Cancer Institute [P30CA16672]
- National Institutes of Health [AI072117, AI073587, AI098099]
- Pew Scholar Award
- University of California, San Diego
- R. E. Bob Smith Education Fund
Cytokines and transcription factors play key roles in dendritic cell (DC) development, yet information about regulatory interactions between these signals remains limited. Here we show that the cytokines GM-CSF and Flt3L induce the transcriptional mediators Id2 and E2-2 and control DC lineage diversification by STAT-dependent pathways. We found that STAT5 is required for tissue CD103(+) DC generation and plasmacytoid DC (pDC) suppression in steady state or response to GM-CSF. STAT5 stimulates GM-CSF-dependent expression of Id2, which controls CD103(+) DC production and pDC inhibition. By contrast, pDCs, but not CD103(+) DCs, are dependent on STAT3. Consistently, STAT3 stimulates Flt3L-responsive expression of the pDC regulator Tcf4 (E2-2). These data suggest that STATs contribute to DC development by controlling transcription factors involved in lineage differentiation. (Blood. 2012;120(22):4363-4373)
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