In human non-Hodgkin lymphomas, the NPM-ALK oncogene arising from the t(2;5) chromosomal translocation represents the most important oncogenic tyrosine kinase identified so far.     ///    Targeting the oncogenic tyrosine kinase NPM-ALK in lymphoma: the role of murine models in defining pathogenesis and treatment options..     ///    "Here, the latest developments in the analysis of NPM-ALK induced lymphomagenesis by murine models is reviewed.. "