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. Author manuscript; available in PMC: 2014 Jun 3.
Published in final edited form as: Expert Rev Respir Med. 2014 Jan 22;8(2):163–172. doi: 10.1586/17476348.2014.862154

Figure 1.

Figure 1

Proposed Paracrine Functions of Fibrocytes. Fibrocytes express a number of cell surface receptors which can regulate their recruitment and secretion of signaling factors. These factors can further regulate fibrocyte function and/or regulate the function of other cells in autocrine and paracrine fashion. Abbreviations: IL-R=interleukin receptor, GF-R=growth factor receptor, ECM=extracellular matrix, Col=collagen, FN=fibronectin, PO=periostin, CTGF=connective tissue growth factor, TGFβ=transforming growth factor β, PDGF=platelet derived growth factor, bFGF=basic fibroblast growth factor, cysLT= cysteinyl leukotrienes, IL1β=interleukin 1β, IL6=interleukin 6, MIP=macrophage inflammatory protein, CCL2=chemokine ligand 2.