Portions of this study were supported by the Cancer Prevention and Research Institute of Texas grant RP110040 to L.A.D. We thank Donna Fath and Wendy Halsey for TP53 sequencing of neuroblastoma cell lines, Lorraine Lipfert for her help with combination studies and the Ocimum Biosolutions team, especially Fazulur Rehaman, for bioinformatics support. This evidence concerns the gene TP53 and cancer.