Evidence map›Paper›PMID 38902228›Full record

ArticleNature communications2024

A stochastic vs deterministic perspective on the timing of cellular events.

Lucy Ham, Megan A Coomer, Kaan Öcal, Ramon Grima, Michael P H Stumpf

Abstract read
In one paragraph

Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–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

6 citing papers in PubMed.

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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

5 authors.

Lucy Ham *School of BioSciences, University of Melbourne, Parkville, Australia.
Megan A Coomer *School of BioSciences, University of Melbourne, Parkville, Australia.
Kaan ÖcalSchool of Informatics, University of Edinburgh, Edinburgh, UK.
Ramon GrimaSchool of Biological Sciences, University of Edinburgh, Edinburgh, UK.ORCID http://orcid.org/0000-0002-1266-8169
Michael P H StumpfSchool of BioSciences, University of Melbourne, Parkville, Australia. mstumpf@unimelb.edu.au.ORCID http://orcid.org/0000-0002-3577-1222

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cells are the fundamental units of life, and like all life forms, they change over time. Changes in cell state are driven by molecular processes; of these many are initiated when molecule numbers reach and exceed specific thresholds, a characteristic that can be described as "digital cellular logic". Here we show how molecular and cellular noise profoundly influence the time to cross a critical threshold-the first-passage time-and map out scenarios in which stochastic dynamics result in shorter or longer average first-passage times compared to noise-less dynamics. We illustrate the dependence of the mean first-passage time on noise for a set of exemplar models of gene expression, auto-regulatory feedback control, and enzyme-mediated catalysis. Our theory provides intuitive insight into the origin of these effects and underscores two important insights: (i) deterministic predictions for cellular event timing can be highly inaccurate when molecule numbers are within the range known for many cells; (ii) molecular noise can significantly shift mean first-passage times, particularly within auto-regulatory genetic feedback circuits.

Indexed as

Stochastic ProcessesFeedback, PhysiologicalGene Expression RegulationGene Regulatory NetworksModels, BiologicalTime Factors

Identifiers

PMID38902228
PMCPMC11190182

What Socratic holds

Textmetadata
LicenceCC BY
Read underepoch 390

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 Socratic graph.