31 January 2006
Vol 2006, Issue 320

About The Cover

Cover image expansion

COVER This week features a Review on the mechanisms by which inhibitory signals may be propagated through immunoreceptor tyrosine-based activation motifs (ITAMs) to set the activation threshold of immune cells. The image depicts inhibition of FcεRI signal transduction by an FcαRI-FcRγ chimera. [Image: Christopher Bickel, AAAS]