title: Orchestration of macrophage polarization.
abstract: In this issue of Blood, Ishii and colleagues shed new, fresh light on molecular mechanisms underlying one form of macrophage activation.
authors.affiliation: University of Milan, Istituto Clinico Humanitas IRCCS, Milan, Italy.
authors.forename: Alberto
authors.initials: A
authors.lastname: Mantovani
authors.forename: Massimo
authors.initials: M
authors.lastname: Locati