Science image (IMAGE) Salk Institute Caption In mice, blocking the proteins Aig1 and ADTRP, either with a drug or by deleting their corresponding genes, boosts levels of the healthy FAHFA fat called 9-PAHSA. Credit Salk Institute Usage Restrictions with credit and related coverage. 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.