title: Plasticity of NK-cell differentiation.
abstract: In this issue of Blood, Grzywacz and colleagues provide in vitro experimental evidence that human natural killer (NK) lymphocytes may derive from myeloid precursors and that microenvironmental factors such as stromal cells and hydrocortisone (HDC) may play a key role in favoring such differentiation.
authors: University of Genova.
authors: Chiara
authors: C
authors: Vitale