Retraction to: Oncogene https://doi.org/10.1038/sj.onc.1207036, published online 15 January 2004

The Editors in Chief have retracted this article following a review by Harvard Medical School and the Brigham and Women’s Hospital that identified discrepancies in Figures 2 and 3B. There was no underlying research data available to resolve these discrepancies or to validate the reported results. Hiromichi Ito, Michael J. Zinner and Stanley W. Ashley agree to this retraction. Mark S. Duxbury and Edward E. Whang do not agree to this retraction.