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. 2016 Dec 21;6:39520. doi: 10.1038/srep39520

Figure 3. HCV-induced liver fibrosis in humans is associated with infiltrating macrophages expressing M2 macrophage activation markers.

Figure 3

(A) Representative serial liver sections of healthy controls or chronic HCV infected patients were stained for M1 (hiNOS/Red) and M2 (hCD163/Brown) macrophage and collagen (Sirius Red/Fast Green). (B) Chronic HCV-induced liver fibrosis (αSMA, TIMP1, COL1A1, COL1A2) is associated with upregulation of M2 macrophage markers (CD163, CD206) in livers of chronic HCV patients (N = 41) compared to livers of healthy controls (N = 19). (C) Elevated serum levels of soluble M2 macrophage activation marker (Soluble CD163) in chronic HCV patients with liver fibrosis (N = 10) compared to healthy controls (N = 10).