Evidence map›Paper›PMID 40226924›Full record

ArticleeLife2025

Cell cycle and age-related modulations of mouse chromosome stiffness.

Ning Liu, Wenan Qiang, Philip W Jordan, John F Marko, Huanyu Qiao

Abstract read
In one paragraph

Article in eLife, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Article
  2. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors.

Ning LiuDepartment of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, United States.ORCID https://orcid.org/0009-0002-3738-4004
Wenan QiangThe Chemistry of Life Processes Institute, Northwestern University, Evanston, United States.ORCID https://orcid.org/0000-0001-5068-7128
Philip W JordanBiochemistry and Molecular Biology Departments, Johns Hopkins University Bloomberg School of Public Health, Baltimore, United States.ORCID https://orcid.org/0000-0003-4890-2647
John F MarkoDepartment of Molecular Biosciences, Northwestern University, Evanston, United States.ORCID https://orcid.org/0000-0003-4151-9530
Huanyu QiaoDepartment of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, United States.ORCID https://orcid.org/0000-0003-0966-8077

Funding

Research Education CoreU54CA203000 · NCI · NORTHWESTERN UNIVERSITY AT CHICAGO · PI YANEZ, BETINA · 2015 to 2024
$12.4M
Center for 3D Structure and Physics of the GenomeUM1HG011536 · NHGRI · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI DEKKER, JOB, MIRNY, LEONID A · 2020 to 2024
$11.8M
Research Training Program in Toxicology and Environmental HealthT32ES007326 · NIEHS · UNIVERSITY OF ILLINOIS URBANA-CHAMPAIGN · PI Jodi A. Flaws · 2000 to 2026
$8.7M
Regulation of microtubule organizing centers during mammalian gametogenesisR01GM117155 · NIGMS · JOHNS HOPKINS UNIVERSITY · PI Philip W Jordan · 2016 to 2026
$4.3M
Activities of nucleoprotein complexes visualized in single-molecule experimentsR01GM105847 · NIGMS · NORTHWESTERN UNIVERSITY · PI MARKO, JOHN F · 2013 to 2025
$2.5M
Micromechanical basis of meiotic chromosome condensation and architectureR01GM135549 · NIGMS · UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN · PI QIAO, HUANYU · 2020 to 2024
$2.2M
Meiotic checkpoint pathways and gametocyte quality controlR00HD082375 · NICHD · UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN · PI QIAO, HUANYU · 2017 to 2019
$674k
NCI NIH HHS U54 CA203000NHGRI NIH HHS UM1 HG011536NICHD NIH HHS R00 HD082375NIEHS NIH HHS T32 ES007326NIGMS NIH HHS R01 GM105847NIGMS NIH HHS R01 GM117155NIGMS NIH HHS R01 GM135549NIH HHS R00 HD082375NIH HHS R01 GM105847NIH HHS R01 GM117155NIH HHS R01 GM135549NIH HHS T32 ES007326NIH HHS U54 CA203000NIH HHS UM1 HG011536
6 · The paper itself

Abstract

Chromosome structure is complex, and many aspects of chromosome organization are still not understood. Measuring the stiffness of chromosomes offers valuable insight into their structural properties. In this study, we analyzed the stiffness of chromosomes from metaphase I (MI) and metaphase II (MII) oocytes. Our results revealed a tenfold increase in stiffness (Young's modulus) of MI chromosomes compared to somatic chromosomes. Furthermore, the stiffness of MII chromosomes was found to be lower than that of MI chromosomes. We examined the role of meiosis-specific cohesin complexes in regulating chromosome stiffness. Surprisingly, the stiffness of chromosomes from three meiosis-specific cohesin mutants did not significantly differ from that of wild-type chromosomes, indicating that these cohesins may not be primary determinants of chromosome stiffness. Additionally, our findings revealed an age-related increase of chromosome stiffness for MI oocytes. Since aging is associated with elevated levels of DNA damage, we investigated the impact of etoposide-induced DNA damage on chromosome stiffness and found that it led to a reduction in stiffness in MI oocytes. Overall, our study underscores the dynamic and cyclical nature of chromosome stiffness, modulated by both the cell cycle and age-related factors.

Indexed as

AgingCell CycleChromosomesChromosomes, MammalianOocytesAnimalsCell Cycle ProteinsChromosomal Proteins, Non-HistoneCohesinsDNA DamageFemaleMeiosisMetaphaseMiceCell Cycle ProteinsChromosomal Proteins, Non-HistoneCohesinsagechromosome stiffnesscohesin proteinmeiosismouseoocytephysics of living systemsspermatocyte

Identifiers

PMID40226924
PMCPMC11996174

What OpenQuestion holds

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Registered trials

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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.