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  4. Leptin-sensitive neurons in the arcuate nucleus integrate activity and temperature circadian rhythms and anticipatory responses to food restriction.

Leptin-sensitive neurons in the arcuate nucleus integrate activity and temperature circadian rhythms and anticipatory responses to food restriction.

Wiater MF, Li AJ, Dinh TT, Jansen HT, Ritter S (2013) Leptin-sensitive neurons in the arcuate nucleus integrate activity and temperature circadian rhythms and anticipatory responses to food restriction. Am J Physiol Regul Integr Comp Physiol 305(8):R949-R960. doi: 10.1152/ajpregu.00032.2013

Summary: The arcuate nucleus (Arc) of the hypothalamus is known to participate in the regulation of feeding, adiposity, and leptin-dependent metabolism. The authors examined the role of leptin-receptive neurons in locomotor and temperature rhythms. Rats received four bilateral injections of Leptin-SAP (Cat. #IT-47) into the Arc; Blank-SAP (Cat. #IT-21) was used as a control. The lesion affected learning connected to light cycles, but not learning connected to food schedules, suggesting a mechanism for internal desynchrony that might play a role in obesity and other metabolic disorders.

Related Products: Leptin-SAP (Cat. #IT-47), Blank-SAP (Cat. #IT-21)