Part I. Polyamines in Signal Transduction of Cell Proliferation Polyamine Structure and Synthetic Analogs Patrick M. Woster Acute Increases in Intracellular Putrescine Lead to the Increase in Steady-State Levels of c-fos, c-jun, RING3, and Id-1 mRNAs Allan A. Ancheta, Leo Hawel, III, and Craig V. Byus Polyamine-Dependent Early Cellular Signals and Cell Proliferation Stina M. Oredsson Cellular Signals Mediating Growth Arrest After Polyamine Depletion Jian-Ying Wang Role of Polyamines in the Regulation of Chromatin Acetylation Cheryl A. Hobbs and Susan K. Gilmour Role of Polyamines in Regulation of Sequence-Specific DNA Binding Activity Sripriya Venkiteswaran, Thresia Thomas, and T. J. Thomas Polyamine Metabolism and the Hypertrophic Heart Lisa M. Shantz and Emanuele Giordano Influence of Polyamines on Breast Cancer Biology Andrea Manni Polyamines in Regulation of Prostatic Cell Growth Raymond G. Schipper, Vincent Cuijpers, Johannes C. Romijn, and Albert A. J. Verhofstad Polyamines in Kidney Biology Joseph Satriano Polyamines in Pulmonary Vascular Biology Jack W. Olson and Mark N. Gillespie Part II. Polyamines in Cellular Signaling of Apoptosis, Carcinogenesis, and Cancer Therapy Recent Advances in the Understanding of Mammalian Polyamine Catabolism: The Regulation and Potential Role of Polyamine Catabolism in Drug Response and Disease Processes Robert A. Casero, Jr., Alison V. Fraser, Tracy Murray-Stewart, Amy Hacker, Naveen Babbar, Jennifer Fleischer, and Yanlin Wang Cellular Signaling and Polyamines in the Control of Apoptosis in Intestinal Epithelial Cells Leonard R. Johnson and Ramesh M. Ray The Role of Ornithine Decarboxylase in Myc-Induced Tumorigenesis Jonas A. Nilsson and John L. Cleveland Protective Effect of Polyamines on NSAID-Induced Injury and Apoptosis Heather M. Wallace and Alun Hughes Role of Polyamines in the Control of the Immune Response in the Brain Denis Soulet and Serge Rivest Implication of Polyamines in Apoptosis of Immunoresponse Cells Rupesh Chaturvedi and Keith T. Wilson Polyamines and Cancer Ajit K. Verma Polyamine Pools and Cancer Prevention Eugene W. Gerner and David E. Stringer Part III. Polyamines in Cell Motility and Cell-Cell Interactions Polyamines and Cytoskeletal Regulation During Intestinal Epithelial Restitution Ramesh M. Ray and Leonard R. Johnson Regulation of Kv Channel Activity and Intercellular Junctions by Polyamines in Intestinal Epithelial Cells Jaladanki N. Rao and Jian-Ying Wang Polyamine Block of Kir Channels: Toward a Molecular Picture Harley T. Kurata and Colin G. Nichols Part IV. Polyamine Homeostasis and Transport Regulation of Ornithine Decarboxylase Expression Lo Persson Evidence for a Multistep Model for Eukaryotic Polyamine Transport Richard Poulin, Denis Soulet, Bruno Gagnon, Serge Rivest, and Marie Audette Bacterial and Eukaryotic Transport Systems Kazuei Igarashi and Keiko Kashiwagi Regulation of S-Adenosylmethionine Decarboxylase Colin Hanfrey Genetic Engineering of Polyamine Catabolism in Transgenic Mice and Rats Juhani Jänne, Leena Alhonen, Marko Pietilä, Tuomo A. Keinänen, Suvikki Suppola, Eija Pirinen, Mervi T. Hyvönen, Aki Järvinen, and Markku Laakso Index