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NOTCH signaling is a highly conserved short-range signaling pathway involved in virtually every aspect of embryonic development and controls homeostatic self-renewal in many adult tissues. Germ line mutations in the NOTCH pathway cause several hereditary diseases, and somatic mutations are found in cancer. NOTCH pathway activity is governed by ligand induced proteolytic cleavage of the receptor in ...

Dendritic cells in peripheral immune organs are quiescent sentinels that continuously survey their surroundings by fluid phase uptake and endocytosis. Dendritic cells become activated when pathogen-derived fragments are detected. Engulfed material is now processed into peptides and lipids for incorporation into peptide/MHC or lipid/CD1 complexes, for display to MHC- and CD1-restricted T cells resp ...