KBTBD2 (IMAGE) UT Southwestern Medical Center Caption The illustration shows the identification of KBTBD2 as a key gene in the maintenance of whole-body insulin sensitivity through its role in fat. Loss of KBTBD2 leads to the accumulation of the protein p85? that blocks insulin signaling in fat and secondary insulin resistance in other tissues such as liver and muscle. Credit UT Southwestern Medical Center 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.