期刊
GLIA
卷 69, 期 5, 页码 1079-1093出版社
WILEY
DOI: 10.1002/glia.23927
关键词
ACBP; astrocytes; autophagy; brainstem; diazepam‐ binding inhibitor; energy metabolism; hypothalamus; leptin; octadecaneuropeptide; tanycytes
资金
- Agence Nationale de la Recherche EZICROM [ANR-16-CE14-0011]
- Institut National de la Sante et de la Recherche Medicale
- Centre National de la Recherche Scientifique (CNRS)
- Aix-Marseille Universite
Neuroglial interactions and endozepines play crucial roles in the regulation of energy balance, particularly at the hypothalamic level. The actions of endozepines are complex, with both central anorexigenic effects and potential peripheral orexigenic effects.
The contribution of neuroglial interactions to the regulation of energy balance has gained increasing acceptance in recent years. In this context, endozepines, endogenous analogs of benzodiazepine derived from diazepam-binding inhibitor, are now emerging as major players. Produced by glial cells (astrocytes and tanycytes), endozepines have been known for two decades to exert potent anorexigenic effects by acting at the hypothalamic level. However, it is only recently that their modes of action, including the mechanisms by which they modulate energy metabolism, have begun to be elucidated. The data available today are abundant, significant, and sometimes contradictory, revealing a much more complex regulation than initially expected. Several mechanisms of action of endozepines seem to coexist at the central level, particularly in the hypothalamus. The brainstem has also recently emerged as a potential site of action for endozepines. In addition to their central anorexigenic effects, endozepines may also display peripheral effects promoting orexigenic actions, adding to their complexity and raising yet more questions. In this review, we attempt to provide an overview of our current knowledge in this rapidly evolving field and to pinpoint questions that remain unanswered.
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