Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Schematic representation of the effects of transgenic expression of cyclooxygenase 2 (COX-2) in hepatocytes. The transgene protects against acute liver injury, but fails to alter the response to hepatocarcinogens, such as diethylnitrosamine (DEN). KC: Kupffer cell; HC: Hepatocyte; EC: Endothelial cell; HCC: Hepatocellular carcinoma; WT: Wild type; TG: COX-2 transgenic mice.
