06 April 2021
Vol 14, Issue 677

About The Cover

Cover image expansion

Online Cover This week features a Research Article that shows that the production of the chlorinating oxidant HOCl by the enzyme MPO in host myeloid cells limits early melanoma growth. The image shows hematoxylin and eosin staining of a tumor in an MPO–/– mouse. [Image: Tracy Liu and David Piwnica-Worms/Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, USA]