27 August 2019
Vol 12, Issue 596

About The Cover

Cover image expansion

Online Cover This week features a Research Article that shows that the TGF-β family member activin-A inhibits the functions of natural killer (NK) cells and suppresses antimelanoma immunity in mice. The image shows a melanoma cell being targeted by a cytotoxic NK cell (red) as analyzed by scanning electron microscopy. [Image: Fernando S. F. Guimaraes/WEHI, Carolina C. Camargo/UFPR, and Simon Taplin/WEHI]