Zhang MED1 Model (IMAGE) University of Cincinnati Caption This is an illustration of Xiaoting Zhang's research model showing HER2 activation of MED1 drives estrogen receptor corepressor/coactivator switch by tamoxifen Credit University of Cincinnati, Xiaoting Zhang Usage Restrictions with credit to Xiaoting Zhang, PhD, of the University of Cincinnati and in conjunction with news reports on published research 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.