%0 Journal Article %T Merkel cell carcinoma expresses the immunoregulatory ligand CD200 and induces immunosuppressive macrophages and regulatory T cells %A Arne Warth %A Cleo-Aron Weis %A Esther Herpel %A Hong Jiang %A Isaac Brownell %A Kristina Buder-Bakhaya %A Lingling Miao %A Maria Rita Gaiser %A Timo Gaiser %A Ying Xiao %J Archive of "Oncoimmunology". %D 2018 %R 10.1080/2162402X.2018.1426517 %K CD200 %K Merkel cell carcinoma %K immune checkpoint inhibitor %K M2 macrophage %K regulatory T cell %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5927480/