DART (IMAGE) Duke University Medical Center Caption This is a schematic representation of HIV DART binding to two distinct antigens simultaneously, redirecting the killer T cells to destroy HIV-1 infected cells. Credit Duke Medicine 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.