Mutations in RET's Three Enhancers (IMAGE) Johns Hopkins Medicine Caption Mutations in RET's three enhancers (RET -7, RET -5.5 and RET +3) can disrupt the binding of their transcription factors (RARB, GATA2 and SOX10, respectively) and alter the activation of the RET gene and the production of RET mRNA and protein. Credit Cell Press 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.