18 February 2014
Vol 7, Issue 313

About The Cover

Cover image expansion

Online Cover This week features a Research Article that suggests that factors secreted by tumor cells inhibit the differentiation of dendritic cell progenitors, thus inhibiting the antitumor immune response. The image is an artist's depiction of the effect of tumor-derived factors (red haze) on immune cells in the tumor microenvironment. [Image: Val Altounian, AAAS]