Transcriptional Activator (IMAGE) Tokyo Medical and Dental University Caption Co-transfection with a small amount of plasmid capable of expressing 'transcriptional activator' robustly enhances lentiviral production. Credit Department of Molecular Virology,TMDU 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.