Article ; Online: Sirtuin (SIRT)-1: At the crossroads of puberty and metabolism.
Current opinion in endocrine and metabolic research
2020 Volume 14, Page(s) 65–72
Abstract: In the arcuate nucleus (ARC) of the hypothalamus reside two neuronal systems in charge of regulating feeding control and reproductive development. The melanocortin system responds to metabolic fluctuations adjusting food intake, whereas kisspeptin ... ...
Abstract | In the arcuate nucleus (ARC) of the hypothalamus reside two neuronal systems in charge of regulating feeding control and reproductive development. The melanocortin system responds to metabolic fluctuations adjusting food intake, whereas kisspeptin neurons are in charge of the excitatory control of Gonadotropin Hormone Releasing Hormone (GnRH) neurons. While it is known that the melanocortin system regulates GnRH neuronal activity, it was recently demonstrated that kisspeptin neurons not only innervate melanocortin neurons, but also play an active role in the control of metabolism. These two neuronal systems are intricately interconnected forming loops of stimulation and inhibition according to metabolic status. Furthermore, intracellular and epigenetic pathways respond to external environmental signals by changing DNA conformation and gene expression. Here we review the role of Silent mating type Information Regulation 2 homologue 1 (Sirt1), a class III NAD+ dependent protein deacetylase, in the ARC control of pubertal development and feeding behavior. |
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Language | English |
Publishing date | 2020-06-12 |
Publishing country | England |
Document type | Journal Article |
ISSN | 2451-9650 |
ISSN (online) | 2451-9650 |
DOI | 10.1016/j.coemr.2020.06.001 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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