Regulation and Potential Drug Targets of Tumor-Associated Tregs (image) Science China Press Share Print E-Mail Caption Regulatory T cells (Tregs) negatively regulate the antitumour immune responses by inhibiting the function of effector T cells (CTL) and antigen presenting cells (APC). Credit ©Science China Press Usage Restrictions Use with credit. Share Print E-Mail 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.