Proceedings of an international symposiu, held in Valencia, Spain, December 2-4, 1996

Brain Tryptophan Perturbation in Hepatic Encephalopathy: Implications for Effects by Neuropsychoactive Drugs in Clinical Practice.- Hepatic Encephalopathy in Acute Liver Failure: Role of the Glutamate System.- Glutamate and Muscarinic Receptors in the Molecular Mechanisms of Acute Ammonia Toxicity and of Its Prevention.- Studies on the Pharmacological Properties of Oxindole (2-Hydroxyindole) and 5-Hydroxyindole: Are They Involved in Hepatic Encephalopathy?.- The Involvement of Ammonia with the Mechanism that Enhance GABA-ergic Neurotransmission in Hepatic Failure.- Direct Enhancement of GABA-ergic Neurotransmission by Ammonia.- The Peripheral Benzodiazepine Receptor and Neurosteroids in Hepatic Encephalopathy.- Ornithine Aminotransferase as a Therapeutic Target in Hyperammonemias.- Sparse-Fur (spf) Mouse as a Model of Hyperammonemia: Alterations in the Neurotransmitter Systems.- Abnormal Gene Expression Causing Hyperammonemia in Carnitine-Deficient Juvenile Visceral Steatosis (JVS) Mice.- Hyperammonemia without Portal Systemic Shunting Does Not Resemble Hepatic Encephalopathy.- Magnetic Resonance Spectroscopy in the Study of Hyperammonemia and Hepatic Encephalopathy.- Osmosignalling and Osmolytes in Liver and Astrocytes.- Effects of Acid-Base Alterations and Protein Depletion on Hepatic Nitrogen Metabolism.- Glucose and Insulin Metabolism in Cirrhosis.- An Ammonia Hypothesis of Alzheimer Disease.- Living Related Liver Transplantation.- Contributors.