title: The new genetics of chronic neutrophilic leukemia and atypical CML: implications for diagnosis and treatment.
abstract: Although activation of tyrosine kinase pathways is a shared theme among myeloproliferative neoplasms, the pathogenetic basis of chronic neutrophilic leukemia (CNL) has remained elusive. Recently, we identified high-frequency oncogenic mutations in the granulocyte-colony stimulating factor receptor (CSF3R) in CNL and in some patients with atypical chronic myeloid leukemia. Inhibition of Janus kinase 2 or SRC kinase signaling downstream of mutated CSF3R is feasible and should be explored therapeutically. Herein, we discuss the potential impact of these findings for the classification and treatment of these disorders.
authors.affiliation: Division of Hematology, Department of Medicine, Stanford University School of Medicine/Stanford Cancer Institute, Stanford, CA 94305-5821, USA. jason.gotlib@stanford.edu
authors.forename: Jason
authors.initials: J
authors.lastname: Gotlib
authors.forename: Julia E
authors.initials: JE
authors.lastname: Maxson
authors.forename: Tracy I
authors.initials: TI
authors.lastname: George
authors.forename: Jeffrey W
authors.initials: JW
authors.lastname: Tyner
mesh_terms: D006801:Humans; D054438:Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative / Q000175:diagnosis* / Q000235:genetics* / Q000473:pathology / Q000628:therapy; D015467:Leukemia, Neutrophilic, Chronic / Q000175:diagnosis* / Q000235:genetics* / Q000473:pathology / Q000628:therapy; D009154:Mutation / Q000235:genetics; D009687:Nuclear Proteins / Q000235:genetics; D016188:Receptors, Granulocyte Colony-Stimulating Factor / Q000235:genetics
chemical_list: D009687:Nuclear Proteins; D016188:Receptors, Granulocyte Colony-Stimulating Factor
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