In the article on Akt-1 in Prostate Cancer in the October 1, 2004 issue of Clinical Cancer Research, there is an error regarding the source of the antibody phospho-AKT1. The manufacturer of the antibody is Cell Signaling Technology, Inc., Beverly, MA (CAT #9277, dilution 1:50).

Ayala G, Thompson T, Yang G, et al. High levels of phosphorylated form of Akt-1 in prostate cancer and non–neoplastic prostate tissues are strong predictors of biochemical recurrence. Clin Cancer Res 2004;10:6572–8.