title: Below the NK-cell surface: PIP2.
abstract: In this issue Blood, Micucci and colleagues demonstrate that PIP2 plays an essential role in NK-cell cytotoxicity by controlling the release of lytic mediators at the NK cell-target interface.
authors.affiliation: Washington University School of Medicine At St Louis, USA.
authors.forename: Marco
authors.initials: M
authors.lastname: Colonna