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Circadian biology

How does food reset the liver clock?

Landgraf D, Tsang AH, Leliavski A, et al. · eLife · 2015

Open access · cc by · source: Europe PMC

The gut incretin oxyntomodulin (OXM) links food intake to resetting of the hepatic circadian clock and metabolism.

How this study connects

Role on claims

Each row is a claim on a concept or method page where this paper supports, challenges, or qualifies the statement. Roles are hand-checked — not a model guess.

  • SupportsCircadian biologyconcept

    Multiple empirical papers in this library examine circadian biology with mechanistic biological findings.

    Evidence for the claim as stated.

  • SupportsCircadian biologyconcept

    OXM can couple food intake to hepatic clock resetting; eating in the rest phase risks internal circadian desynchrony relevant to shiftwork metabolism.

    Evidence for the claim as stated.

  • SupportsCircadian biologyconcept

    Systems and scales differ across circadian biology studies (species, tissues, methods), so mechanisms should not be over-generalised.

    Evidence for the claim as stated.

Open questions

Tensions this paper is part of

From concept pages' “where studies disagree.” Disagreement means the same question; scope means different assays, populations, or outcomes.

Study at a glance

Design
Animal / in-vitro — Organotypic liver-slice and in-vivo assays of food-related OXM as a liver-clock Zeitgeber
N
Mouse liver-clock resetting experiments — no single primary analytic N in stored text
Population
Mouse liver tissue/slices and related in-vivo models
Outcome
Hepatic circadian clock resetting by oxyntomodulin

Structured fields used in claim comparison tables when every cited study has a complete layer.

Inspect source passages

How does food reset the liver clock?

These passages occur verbatim in the stored paper text. They support the points listed below; they do not verify every statement in the explanation.

Which peptide links gut food intake to liver clock resetting?

identified the incretin peptide OXM as a potential direct link between food intake in the gut and resetting of hepatic clock and metabolic gene transcription.

What happens if eating occurs in the rest phase?

eating during the normal rest phase leads to a state of internal circadian desynchrony which has been suggested to underlie metabolic deregulation under shiftwork conditions (; ; ).
Read passages in the original paper

Key findings

OXM can couple food intake to hepatic clock resetting; eating in the rest phase risks internal circadian desynchrony relevant to shiftwork metabolism.

Methodology

Investigated food-related Zeitgebers for peripheral clocks and identified OXM as a candidate signal from gut to liver clock resetting.

Limitations

Not a human shiftwork clinical trial; glucose-dependent hormones are not the only food cues.

Related papers in this topic

Same topic cluster — not a recommendation engine.