Journal
MARINE LIFE SCIENCE & TECHNOLOGY
Volume 4, Issue 1, Pages 42-51Publisher
SPRINGERNATURE
DOI: 10.1007/s42995-021-00106-x
Keywords
Energy homeostasis; Neuropeptide Y receptors; Melanocortin receptors; GPCRs; Fish (Teleost)
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Funding
- Blue Granary Science and Technology Innovation [2019YFD0901000]
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Energy homeostasis is crucial for survival, with the central melanocortin system playing a key role in its regulation. NPY and melanocortin receptors have been shown to be involved in energy homeostasis, with potential applications in aquaculture. Comparative studies of these receptors across species provide valuable insights for future research and development in this area.
Energy homeostasis, which refers to the physiological processes that the energy intake is exquisitely coordinated with energy expenditure, is critical for survival. Therefore, multiple and complex mechanisms have been involved in the regulation of energy homeostasis. The central melanocortin system plays an important role in modulating energy homeostasis. This system includes the orexigenic neurons, expressing neuropeptide Y/Agouti-related protein (NPY/AgRP), and the anorexigenic neurons expressing proopiomelanocortin (POMC). The downstream receptors of NPY, AgRP and post-translational products of POMC are G protein-coupled receptors (GPCRs). This review summarizes the compelling evidence demonstrating that NPY and melanocortin receptors are involved in energy homeostasis. Subsequently, the comparative studies on physiology and pharmacology of NPY and melanocortin receptors in humans, rodents and teleosts are summarized. Also, we provide a strategy demonstrating the potential application of the new ligands and/or specific variants of melanocortin system in aquaculture.
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