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          HLA-C allotypes interactions with KIR on dNK cells 
         http://purl.org/dc/terms/description   
          In decidual NK (dNK) cells, killer-cell immunoglobulin-like receptors (KIRs) interact with HLA-C allotypes on extravillous trophoblast (EVT) cells to modulate immune responses at the maternal–fetal interface. Inhibitory KIRs transmit signals through immunoreceptor tyrosine-based inhibitory motifs (ITIMs), which recruit SHP-1 and SHP-2 phosphatases to suppress activation pathways. Conversely, activating KIRs signal via the adaptor protein DAP12, whose ITAM motifs recruit SYK kinase, leading to downstream activation of LAT, SLP-76, VAV1, PLC-γ1, and NF-κB. This cascade promotes cytokine production and functional activation of dNK cells.
Additionally, KIR signaling has been linked to repeated pregnancy loss (RPL), suggesting coordination between immune signaling and placental development mediated by dNK cells. The exact origin of dNK cells (phenotype CD56⁺⁺ (bright) CD16⁻) is still uncertain. Some studies suggest they may arise from CD34⁺ progenitor cells, while others propose that peripheral blood NK (pbNK) cells or local NK precursors give rise to uterine NK (uNK) cells. These uNK cells may then differentiate into either endometrial NK (eNK) cells, which are present before pregnancy, or decidual NK (dNK) cells, which appear during early pregnancy. 
         http://purl.org/dc/terms/identifier   http://purl.org/spar/cito/cites   
          https://identifiers.org/pubmed/18322206 
          https://identifiers.org/pubmed/20189481 
          https://identifiers.org/pubmed/21070852 
          https://identifiers.org/pubmed/22238634 
          https://identifiers.org/pubmed/22786724 
          https://identifiers.org/pubmed/34016721 
          https://identifiers.org/pubmed/34267676 
          https://identifiers.org/pubmed/34790194 
          https://identifiers.org/pubmed/23066148 
          https://identifiers.org/pubmed/23071622 
          https://identifiers.org/pubmed/24091323 
          https://identifiers.org/pubmed/26327470 
          https://identifiers.org/pubmed/27956621 
          https://identifiers.org/pubmed/28546555 
          https://identifiers.org/pubmed/29449322 
          https://identifiers.org/pubmed/33335575