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In mammals there is a well-established connection between neuropeptide Y (NPY) and the balance between energy intake and expenditure: NPY stimulates food intake and the hypothalamus shows a dramatic increase in NPY mRNA in response to fasting. The widespread occurrence of NPY in the brains of all...
Galanin (GAL) and nitric oxide synthase (NOS) have been implicated in the control of thermogenesis in mammals. An experimental protocol was designed to determine whether or not the expression of these molecules in the hypothalamus of the toad could be related to environmental temperature changes....