Polyamines in Signal Transduction of Cell Proliferation -- Polyamine Structure and Synthetic Analogs -- Acute Increases in Intracellular Putrescine Lead to the Increase in Steady-State Levels of c-fos, c-jun, RING3, and Id-1 mRNAs -- Polyamine-Dependent Early Cellular Signals and Cell Proliferation -- Cellular Signals Mediating Growth Arrest After Polyamine Depletion -- Role of Polyamines in the Regulation of Chromatin Acetylation -- Role of Polyamines in Regulation of Sequence-Specific DNA Binding Activity -- Polyamine Metabolism and the Hypertrophic Heart -- Influence of Polyamines on Breast Cancer Biology -- Polyamines in Regulation of Prostatic Cell Growth -- Polyamines in Kidney Biology -- Polyamines in Pulmonary Vascular Biology -- Polyamines in Cellular Signaling of Apoptosis, Carcinogenesis, and Cancer Therapy -- Recent Advances in the Understanding of Mammalian Polyamine Catabolism -- Cellular Signaling and Polyamines in the Control of Apoptosis in Intestinal Epithelial Cells -- The Role of Ornithine Decarboxylase in Myc-Induced Tumorigenesis -- Protective Effect of Polyamines on NSAID-Induced Injury and Apoptosis -- Role of Polyamines in the Control of the Immune Response in the Brain -- Implication of Polyamines in Apoptosis of Immunoresponse Cells -- Polyamines and Cancer -- Polyamine Pools and Cancer Prevention -- Polyamines in Cell Motility and Cell-Cell Interactions -- Polyamines and Cytoskeletal Regulation During Intestinal Epithelial Restitution -- Regulation of Kv Channel Activity and Intercellular Junctions by Polyamines in Intestinal Epithelial Cells -- Polyamine Block of Kir Channels -- Polyamine Homeostasis and Transport -- Regulation of Ornithine Decarboxylase Expression -- Evidence for a Multistep Model for Eukaryotic Polyamine Transport -- Bacterial and Eukaryotic Transport Systems -- Regulation of S-Adenosylmethionine Decarboxylase -- Genetic Engineering of Polyamine Catabolism in Transgenic Mice and Rats.