(IMAGE) Tokyo Medical and Dental University Caption LRBA assists PKA to switch on AQP2 water channels for the prevention of further water loss from the body during dehydration. Credit Department of Nephrology, 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.