We thank Dr. Kunihiro Matsumoto for WT-NLK, NLK-K155M, and NLK-T286V expression plasmids, Dr. Jody L Martin for WT-HSP27 expression plasmid, Dr. Lao Saal for proving us with the DNA from breast cancer and non-cancerous cell line, and Elise Nilsson for excellent technical assistance. The gene discussed is NLK; the disease is breast carcinoma.