Metabolic correlates of the circadian pattern of suckling-associated arousal in young rabbits |
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| Authors: | C Escobar R Hudson M Martínez-Gómez R Aguilar-Roblero |
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| Institution: | (1) Departamento de Anatomía, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, MX;(2) Departamento de Fisiología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autonoma de Mexico, MX;(3) Departamento de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, MX;(4) Centro de Investigaciones Fisiológicas, · Universidad Autónoma de Tlaxcala, México, MX |
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| Abstract: | Young rabbits (Oryctolagus cuniculus) are only nursed for 3–5 min every 24 h. They show a circadian increase in activity in anticipation of this, which is entrained
by suckling. Our aim was to determine whether serum and liver metabolites show diurnal fluctuations which could act to regulate
this circadian pattern. Stomach weight, liver glycogen and serum metabolites were measured every 3 h in 7- to 8-day-old pups
when normally nursed (up to 24 h after suckling) and fasted (up to 48 h after suckling). The results suggest:
Accepted: 9 October 1999 |
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| Keywords: | Development Food-entrained oscillator Energy balance Hunger Satiety |
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