PTP1B Phosphatase Activity (IMAGE) University of Barcelona Caption The inhibition of the PTP1B phosphatase activity makes the transplanted beta cells in the pancreas to survive and fulfil their function, with which the regular sugar levels can be recovered. Credit Figueiredo <em>et</em> <em>al</em>. Usage Restrictions The image may only be used with appropriate caption or credit. 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.