Evidence map›Paper›PMID 22260664›Full record

ArticleBiochemical Society transactions2012

The essential role of cAMP/Ca2+ signalling in mammalian circadian timekeeping.

John S O'Neill, Akhilesh B Reddy

Abstract read
In one paragraph

Article in Biochemical Society transactions, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

37 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Review
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  4. Article
  5. Article
  6. The circadian clock in enamel development.International journal of oral science · 2024
    Review
  7. Article
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  9. Article
  10. Review
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  16. Review
  17. Article
  18. Cellular clocks in hyperoxia effects on [CaAmerican journal of physiology. Lung cellular and molecular physiology · 2021
    Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

John S O'NeillDepartment of Clinical Neurosciences, University of Cambridge Metabolic Research Laboratories, Institute of Metabolic Science, University of Cambridge, Addenbrooke's Hospital, Cambridge CB2 0QQ, UK. jso22@medschl.cam.ac.uk
Akhilesh B Reddy

Funding

Medical Research Council G0600717Medical Research Council MC_UP_1201/4Wellcome Trust 083643/Z/07/ZWellcome Trust 093734Wellcome Trust 093734/Z/10/Z
6 · The paper itself

Abstract

Approximately daily, or circadian, rhythms are ubiquitous across eukaryotes. They are manifest in the temporal co-ordination of metabolism, physiology and behaviour, thereby allowing organisms to anticipate and synchronize with daily environmental cycles. Although cellular rhythms are self-sustained and cell-intrinsic, in mammals, the master regulator of timekeeping is localized within the hypothalamic SCN (suprachiasmatic nucleus). Molecular models for mammalian circadian rhythms have focused largely on transcriptional-translational feedback loops, but recent data have revealed essential contributions by intracellular signalling mechanisms. cAMP and Ca2+ signalling are not only regulated by the cellular clock, but also contribute directly to the timekeeping mechanism, in that appropriate manipulations determine the canonical pacemaker properties of amplitude, phase and period. It is proposed that daily auto-amplification of second messenger activity, through paracrine neuropeptidergic coupling, is necessary and sufficient to account for the increased amplitude, accuracy and robustness of SCN timekeeping.

Indexed as

Calcium SignalingCircadian ClocksAnimalsCircadian RhythmCLOCK ProteinsCyclic AMPFeedback, PhysiologicalHumansMiceParacrine CommunicationReceptor Cross-TalkSecond Messenger SystemsSuprachiasmatic NucleusCLOCK ProteinsCyclic AMP

Identifiers

PMID22260664
PMCPMC3399769

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.