title: Circadian rhythms: a gut feeling for time.
authors.forename: Michael H
authors.initials: MH
authors.lastname: Hastings
mesh_terms: D000818:Animals; D001683:Biological Clocks / Q000235:genetics / Q000502:physiology; D002940:Circadian Rhythm / Q000235:genetics / Q000502:physiology*; D005768:Gastrointestinal Hormones / Q000235:genetics / Q000378:metabolism*; D005786:Gene Expression Regulation; D006801:Humans; D051379:Mice; D009043:Motor Activity / Q000502:physiology; D009479:Neuropeptides; D051381:Rats; D012890:Sleep / Q000502:physiology; D013493:Suprachiasmatic Nucleus / Q000502:physiology*
chemical_list: D005768:Gastrointestinal Hormones; D009479:Neuropeptides; C423608:PROK2 protein, human; C486586:Prok2 protein, mouse; C486587:Prok2 protein, rat