This issue of Current Topics in Behavioral Neuroscience focuses on the neuropeptide orexin (hypocretin) and brings together scientists from around the world who will provide a timely discussion of how this peptide regulates behavior. This is a fast-moving field, and with the incorporation of novel technologies, new breakthroughs are likely to continue. For example, the use of optogenetic approaches has enabled the identification of the role of orexin-containing neurons in arousal states, critical for higher order functioning. From a clinical perspective, genetic polymorphisms in hypocretin/orexin and orexin receptors are implicated in a number of psychiatric disorders. In addition, advanced clinical trials are currently underway for orexin receptor antagonists in the treatment of insomnia and sleep disorders. We aim to capture a broad audience of basic scientists and clinicians.
Table of Content
The Human Orexin/Hypocretin Receptor Crystal Structures.- Orexin/Hypocretin Signaling.- Orexin/Hypocretin and Organizing Principles for a Diversity of Wake-Promoting Neurons in the Brain.- The Hypocretin/Orexin Neuronal Networks in Zebrafish.- Hypocretins and Arousal.- Orexin OX 2 Receptor Antagonists as Sleep Aids.- Roles for Orexin/Hypocretin in the Control of Energy Balance and Metabolism.- Orexin and Central Modulation of Cardiovascular and Respiratory Function.- Role of the Orexin/Hypocretin System in Stress-Related Psychiatric Disorders.- The Role of Orexins/Hypocretins in Alcohol Use and Abuse.- A Decade of Orexin/Hypocretin and Addiction: Where Are We Now?- Hypocretin/Orexin and Plastic Adaptations Associated with Drug Abuse.
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