(IMAGE) Tokyo Medical and Dental University Caption Loss of A20 function in hepatic stellate cells upregulated the DCLK1-JNK phosphorylation axis. DCLK1 enhances chemokine expression, leading to progression of chronic hepatitis. Credit Department of Gastroenterology and Hepatology, TMDU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.