23 February 2016
Vol 9, Issue 416

About The Cover

Cover image expansion

Online Cover This week features a Research Article that describes how a proangiogenic factor triggers proliferation or migration in endothelial cells by stimulating different calcium signaling patterns. The images show calcium signals in endothelial cells during angiogenic sprout formation in a zebrafish embryo. [Image: David Noren, Daniel Wagner, and Aryeh Warmflash/Department of Biomedical Engineering, Johns Hopkins University School of Medicine and Departments of Bioengineering and BioSciences, Rice University]