期刊
JOURNAL OF NEUROSCIENCE RESEARCH
卷 100, 期 7, 页码 1422-1437出版社
WILEY
DOI: 10.1002/jnr.25052
关键词
affective disorders; animal behavior; fear; food intake; neural circuits; septal nuclei
This review discusses the role of the lateral septum (LS) in anxiety, depression, and eating disorders and their comorbidity. It finds that the LS has both anxiolytic and anxiogenic effects, as well as the ability to promote or inhibit feeding. Therefore, the LS represents a potential pharmacological target for neuropsychiatric disorders.
The lateral septum (LS) is a structure in the midline of the brain that is interconnected with areas associated with stress and feeding. This review highlights the role of the LS in anxiety, depression, and eating disorders and their comorbidity. There is a prevailing view that the LS is anxiolytic. This review finds that the LS is both anxiolytic and anxiogenic. Furthermore, the LS can promote and inhibit feeding. Given these shared roles, the LS represents a common site for the comorbidity of neuropsychiatric disorders, and therefore a potential pharmacological target. This is crucial since currently available treatments are not always effective. Corticotrophin-releasing factor 2 antagonists are potential drugs for the treatment of anxiety and anorexia and require further research. Furthermore, other drugs currently in trials for binge eating, such as alpha-adrenergic agonists, may in fact promote food intake. It is hoped that the advancements in chemo- and optogenetic techniques will allow future studies to profile the specific neural connections of the LS and their function. This information could facilitate our understanding of the underlying mechanisms, and therefore pharmacological targets, of these psychiatric conditions.
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