Joseph P. Kolb, Jennifer Martinez  Immunity 

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Bon EPOtit! S1P-Mediated EPO Signaling Whets a Macrophage’s Appetite for Apoptotic Cells  Joseph P. Kolb, Jennifer Martinez  Immunity  Volume 44, Issue 2, Pages 209-211 (February 2016) DOI: 10.1016/j.immuni.2016.01.023 Copyright © 2016 Elsevier Inc. Terms and Conditions

Figure 1 The “Find-Me” Signal S1P Activates the EPO-EPOR Axis to Prime Macrophages for Efferocytosis Release of the “find-me” signal, S1P, by dying cells upregulates EPO expression in phagocytic cells, such as macrophages. Signaling via the EPO-EPOR axis activates the PPARγ pathway, which increases levels of phagocytic receptors, such as MFGE8, MerTK, CD36, and Gas6. Mice in which EPO-EPOR signaling is disrupted display decreased clearance of dying cells and increased incidence of autoimmunity. Immunity 2016 44, 209-211DOI: (10.1016/j.immuni.2016.01.023) Copyright © 2016 Elsevier Inc. Terms and Conditions