Inositol Phosphates (IMAGE) University of Leicester Caption Inositol phosphates are small molecules that act as a key to regulate the activity of histone deacetylase enzymes. These enzymes are emerging as important drug targets for diseases such as cancer and Alzheimer's. Credit University of Leicester Usage Restrictions Use only with 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.