Role of cyclic nucleotides in growth control.

3',5'-Cyclic-AMP Phosphodiesterases/metabolism Adenylyl Cyclases/metabolism Carcinoma, Hepatocellular/metabolism Cell Division Cell Membrane/enzymology Cell Transformation, Neoplastic Cells, Cultured Cyclic AMP/physiology,therapeutic use Cyclic GMP/physiology Cytosine Nucleotides/physiology DNA/biosynthesis Enzyme Activation Enzyme Inhibitors Fibroblasts Growth Substances/metabolism Liver/metabolism Liver Neoplasms Lymphocyte Activation Lymphocytes/drug effects,metabolism Melanoma/metabolism Mitogens/pharmacology Neoplasms/drug therapy Skin/metabolism Thymus Gland/cytology

Cytosine Nucleotides Enzyme Inhibitors Growth Substances Mitogens DNA Cyclic AMP 3',5'-Cyclic-AMP Phosphodiesterases Adenylyl Cyclases Cyclic GMP