Biochemical and Chemical Characteristics of the Mitochondrial Benzodiazepine Receptor and Its Ligands. Biochemical and Molecular Properties of Mitochondrial Benzodiazepine Receptors. Binding Characteristics of the Receptor and Coupling to Transport Protein(S). Endogenous and Synthetic Ligands of the Receptor: Structure-Affinity Relationships. Pharmacological Effects of Peripherally Acting Benzodiazepines. The Role of the Mitochondrial Benzodiazepine Receptors in Steroidogenesis. Effects on Cell Growth and Differentiation. Immunostimulating Effects of Peripherally Acting Benzodiazepines. Central and Peripheral Type Benzodiazepine Receptors: Role in Memory Regulation and Possible Relation to Anxiety Levels. Mitochondrial Benzodiazepine Receptors and Smooth Muscle Reactivity. Cardiovascular Actions of Peripheral Acting Benzodiazepines. Modulation of Receptor Numbers in Response to Pathophysiological Situations. Effects of Change in Tissue Concentrations of Putative Endogenous Ligands on Mitochondrial Benzodiazepine Receptors Ex Vivo. Modification of Receptor Numbers in Stressful Situations. Pathophysiological and Endocrinological Aspects of Mitochondrial Benzodiazepine Receptor Densities. Mitochondrial Benzodiazepine Receptor Ligands as Indicators of Damage to the CNS: Their Application in Positron Emission Tomography. Subject Index.