Oncogene1996; 13, 1323–1333

The authors of this paper have requested publication of the following retraction:

A recent investigation has revealed anomalies in several figures (Figures 1b, 4b and 6b) in this paper. A single autoradiogram was used to represent the data in Figures 1b and 4b, and the data represented in Figure 6b was derived from a different experiment than that depicted in this figure. These figures were supplied by Ronan O’Hagan, who indicates that the mix-up resulted from poor record-keeping and data organization. In light of the anomalies described above, the authors retract the data represented in these figures and the conclusions drawn therefrom. They would like to apologize to all those who may have relied on these findings in their paper.