Gene Set: CHAN_INTERFERON_PRODUCING_DENDRITIC_CELL

Standard name CHAN_INTERFERON_PRODUCING_DENDRITIC_CELL
Systematic name M1886
Brief description Genes up-regulated in spleen interferon-producing dendritic cells (IKDC) compared to plasmacytoid dendritic cells (PDC) and conventional dendritic cells (cDC).
Full description or abstract Natural killer (NK) cells and dendritic cells (DCs) are, respectively, central components of innate and adaptive immune responses. We describe here a third DC lineage, termed interferon-producing killer DCs (IKDCs), distinct from conventional DCs and plasmacytoid DCs and with the molecular expression profile of both NK cells and DCs. They produce substantial amounts of type I interferons (IFN) and interleukin (IL)-12 or IFN-gamma, depending on activation stimuli. Upon stimulation with CpG oligodeoxynucleotides, ligands for Toll-like receptor (TLR)-9, IKDCs kill typical NK target cells using NK-activating receptors. Their cytolytic capacity subsequently diminishes, associated with the loss of NKG2D receptor (also known as Klrk1) and its adaptors, Dap10 and Dap12. As cytotoxicity is lost, DC-like antigen-presenting activity is gained, associated with upregulation of surface major histocompatibility complex class II (MHC II) and costimulatory molecules, which formally distinguish them from classical NK cells. In vivo, splenic IKDCs preferentially show NK function and, upon systemic infection, migrate to lymph nodes, where they primarily show antigen-presenting cell activity. By virtue of their capacity to kill target cells, followed by antigen presentation, IKDCs provide a link between innate and adaptive immunity.
Collection C2: curated gene sets
      CGP: chemical and genetic perturbations
Source publication Pubmed 16444266   Authors: Chan CW,Crafton E,Fan HN,Flook J,Yoshimura K,Skarica M,Brockstedt D,Dubensky TW,Stins MF,Lanier LL,Pardoll DM,Housseau F
Exact source Table 1S
Related gene sets (show 6 additional gene sets from the source publication)

(show 4 gene sets from the same authors)
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Organism Mus musculus
Contributed by Jessica Robertson (Broad Institute)
Source platform UnigeneIdentifiers
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Compendia expression profiles Human tissue compendium (Novartis)
NCI-60 cell lines (National Cancer Institute)
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Version history 3.1: First introduced

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