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Gen Comp Endocrinol. 2014 Sep 1;205:36-48. doi: 10.1016/j.ygcen.2014.01.015. Epub 2014 Feb 13.

Contribution of glucose- and fatty acid sensing systems to the regulation of food intake in fish. A review.

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Laboratorio de Fisioloxía Animal, Departamento de Bioloxía Funcional e Ciencias da Saúde, Facultade de Bioloxía, Universidade de Vigo, Spain. Electronic address:


Food intake in fish is a complex process regulated through many different factors including abundance of energy and nutrients. In recent years, evidence have been obtained in several fishes, mainly in rainbow trout, regarding the presence and functioning in brain areas of metabolic sensors informing about changes in the levels of nutrients like glucose and fatty acids. The activity of these sensors relate to the control of food intake through changes in the expression of anorexigenic and orexigenic neuropeptides. The present review will provide a picture of the main results obtained to date in these studies, as well as perspectives for future research in the field.


Fatty acid sensing; Fish; Food intake; Glucosensing; Review

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