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Fig. 2 | Inflammation and Regeneration

Fig. 2

From: Effect of human umbilical cord blood stem cell transplantation on oval cell response in 2-AAF/CCL4 liver injury model: experimental immunohistochemical study

Fig. 2

Photomicrograph of liver tissue in the control (d), liver injury (e), and stem cell transplantation groups (f, g). d Mild immunoreactivity to OV-6 antibody limited to intraportal bile duct and terminal duct cells (arrows) surrounding the portal vein (PV). e OV-6 immunoreactivity (cytoplasmic reaction) with oval cells forming more reactive ductules (arrows) or appearing as small hepatocyte-like cells (arrowhead). The cells are surrounding the portal vein (PV) or emanating from it and invading liver parenchyma. f Increased OV-6 immunoreactivity with oval cells forming more reactive ductules (arrows) around the portal vein. Inset: Positive oval cells in the reactive ductules (arrow), 400×. g CD34 immunoreactivity of the human oval cells (arrows) scattered and invading the liver parenchyma. Immunoperoxidase stain, 400×

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