Immunohistochemical detection of IL-22 in the liver. IL-22 positive cells were non-hepatocytic cells. IL-22 positive cells were detected in cirrhotic livers with different etiologies. HCV, chronic hepatitis C (A); AC, alcoholic cirrhosis (B); arrows indicate typical IL-22 positive cells which were different from hepatocytes. The inset shows a magnification of IL-22 positive cells.
Kronenberger et al. BMC Medicine 2012 10:102 doi:10.1186/1741-7015-10-102