"This valuable up-to-date information on biochemistry of signal transduction and regulation is directed to advanced students, teachers, and researchers in biochemistry or molecular biology and describes the molecular basis of signal transduction, regulated gene expression, the cell cycle, tumorigenesis and apoptosis. Therefore, this book can be warmly recommended to this above clientele, but it is also a must in the library of all scientists engaged in neighboured or in this special field." (AFS, VOL. 26 2004) .