Letters to the Editor 1200 1 2 1 3 SRo¨ttgers , M Gombert , A Teigler-Schlegel , K Busch , 2 Bullrich F, Morris SW, Hummel M, Pileri S, Stein H, Croce CM. 4 5 1 2 U Gamerdinger , R Slany , J Harbott and A Borkhardt Nucleophosmin (NPM) gene rearrangements in Ki-1-positive 1Department of Pediatric Hematology and Oncology, lymphomas. Cancer Res 1994; 54: 2873–2877. Oncogenetic Laboratory, University Hospital, Justus Liebig 3 Soda M, Choi YL, Enomoto M, Takada S, Yamashita Y, Ishikawa S University Giessen, Giessen, Germany; et al. Identification of the transforming EML4-ALK fusion gene in 2Clinic of Pediatric Hematology, Oncology and Clinical non-small-cell lung cancer. Nature 2007; 448: 561–566. Immunology, Heinrich-Heine University Duesseldorf, 4 Jazii FR, Najafi Z, Malekzadeh R, Conrads TP, Ziaee AA, Duesseldorf, Germany; Abnet C et al. Identification of squamous cell carcinoma asso- 3Hessian State Office of Criminal InvestigationFWiesbaden, ciated proteins by proteomics and loss of beta tropomyosin Wiesbaden, Germany; expression in esophageal cancer. World J Gastroenterol 2006; 12: 4Department of Pathology, University Hospital, Giessen, 7104–7112. Germany and 5 Chiarle R, Voena C, Ambrogio C, Piva R, Inghirami G. The 5 anaplastic lymphoma kinase in the pathogenesis of cancer. Nat Rev Department of Genetics, Friedrich-Alexander University Cancer 2008; 8: 11–23. Erlangen, Erlangen, Germany 6 Trumper L, Pfreundschuh M, Bonin FV, Daus H. Detection of the E-mail:
[email protected] t(2;5)-associated NPM/ALK fusion cDNA in peripheral blood cells of healthy individuals. Br J Haematol 1998; 103: 1138–1144.