Here we show that temporal feeding restriction under light-dark or dark-dark conditions can change the phase of circadian gene expression in peripheral cell types by up to 12 h while leaving the phase of cyclic gene expression in the SCN unaffected.
First-pass extracted concept
restricted feeding
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temporal feeding restriction
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Restricted feeding can shift the phase of circadian gene expression in peripheral tissues by up to 12 hours while leaving SCN cyclic gene expression phase unaffected.
Sudden large changes in feeding time reset rhythmic gene expression gradually, consistent with a clock-dependent mechanism.
Food-induced phase resetting occurs faster in liver than in kidney, heart, or pancreas, but after one week of daytime feeding the phases become similar across examined peripheral tissues.
Metabolic changes induced by feeding can uncouple peripheral circadian oscillators from the central pacemaker in the SCN.