Fast-induced changes in plasma glucose, insulin and free fatty acid concentration compared in rats during the night and day |
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Authors: | C Larue-Achagiotis J Le Magnen |
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Institution: | Laboratoire de Neurophysiologie Sensorielle et Comportementale, Collège de France, 11 place Marcelin Berthelot, 75231-PARIS Cedex 05, France |
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Abstract: | Changes in PG, PI and PFFA were examined and compared in fed rats or after 0 to 12 hours of fasting, during the night or during the day. At night, a progressive decrease in PG and PI and an increase in PFFA were induced by 0 to 12 hours of food deprivation. During the light period a decrease in PG occurred only from the 6th hour of fasting. A slight, progressive increase in PFFA levels was induced from 0 to 12 hours of fasting, while no significant variation of PI levels was observed. The results are discussed in terms of relationships between blood glucose, PFFA levels, and food intake in control rats over the circadian cycle. |
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Keywords: | Plasma glucose Plasma insulin Free fatty acid levels Food intake Fasting |
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