Toying With Immune Checkpoints to Trick Cancer (image) American Association for the Advancement of Science Share Print E-Mail Caption Inhibition of myeloid derived suppressor cells migration to the tumor microenvironment enhances PD1-checkpoint blockade therapy. This image relates to a paper that appeared in the May 21, 2014, issue of Science Translational Medicine, published by AAAS. The paper, by Dr. S.L. Highfill at the National Cancer Institute, National Institutes of Health in Bethesda, Md., and colleagues was titled, "Disruption of CXCR2-Mediated MDSC Tumor Trafficking Enhances Anti-PD1 Efficacy." Credit Division of Medical Arts, NIH Usage Restrictions Please cite the owner of the material when publishing. This material may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission. 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.