Evidence map›Paper›PMID 28057760›Full record

ArticleMolecular biology of the cell2017

Chromatin and lamin A determine two different mechanical response regimes of the cell nucleus.

Andrew D Stephens, Edward J Banigan, Stephen A Adam, Robert D Goldman, John F Marko

Abstract read
In one paragraph

Article in Molecular biology of the cell, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 296 papers.

0numbers the graph read from it
0cells of the map it votes in
296citing papers in PubMed
18.5field-weighted citation impact, top 1% of its field
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

296 citing papers in PubMed, 487 citations in OpenAlex.

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  13. Chromatin Packing Domain Engineering Through the Manipulation of Nuclear Cationic States.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026
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236 more citing papers are in PubMed but not listed here.

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 at 1 institution in 1 country.

Andrew D StephensDepartment of Molecular Biosciences, Northwestern University, Evanston, IL 60208 andrew.stephens@northwestern.edu.
Edward J BaniganDepartment of Physics and Astronomy, Northwestern University, Evanston, IL 60208.
Stephen A AdamDepartment of Cell and Molecular Biology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611.
Robert D GoldmanDepartment of Cell and Molecular Biology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611.
John F MarkoDepartment of Molecular Biosciences, Northwestern University, Evanston, IL 60208.
Northwestern University · US

Funding

Center for 3D Structure and Physics of the GenomeU54DK107980 · NIDDK · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI DEKKER, JOB, MIRNY, LEONID A · 2015 to 2019
$14.9M
Spatio-Temporal Organization of Chromatin and Information Transfer in CancerU54CA193419 · NCI · NORTHWESTERN UNIVERSITY AT CHICAGO · PI MARKO, JOHN F · 2015 to 2020
$10.4M
Super-resolution microscopy of nuclear lamin and spindle envelope/matrix functionR01GM106023 · NIGMS · CARNEGIE INSTITUTION OF WASHINGTON, D.C. · PI GOLDMAN, ROBERT D, ZHENG, YIXIAN · 2013 to 2020
$3.5M
Activities of nucleoprotein complexes visualized in single-molecule experimentsR01GM105847 · NIGMS · NORTHWESTERN UNIVERSITY · PI MARKO, JOHN F · 2013 to 2025
$2.5M
Dissecting chromatin and lamin contributions to nuclear structure and functionF32GM112422 · NIGMS · NORTHWESTERN UNIVERSITY · PI STEPHENS, ANDREW DANIEL · 2015 to 2017
$114k
NCI NIH HHS U54 CA193419NIDDK NIH HHS U54 DK107980NIGMS NIH HHS F32 GM112422NIGMS NIH HHS R01 GM105847NIGMS NIH HHS R01 GM106023
6 · The paper itself

Abstract

The cell nucleus must continually resist and respond to intercellular and intracellular mechanical forces to transduce mechanical signals and maintain proper genome organization and expression. Altered nuclear mechanics is associated with many human diseases, including heart disease, progeria, and cancer. Chromatin and nuclear envelope A-type lamin proteins are known to be key nuclear mechanical components perturbed in these diseases, but their distinct mechanical contributions are not known. Here we directly establish the separate roles of chromatin and lamin A/C and show that they determine two distinct mechanical regimes via micromanipulation of single isolated nuclei. Chromatin governs response to small extensions (<3 μm), and euchromatin/heterochromatin levels modulate the stiffness. In contrast, lamin A/C levels control nuclear strain stiffening at large extensions. These results can be understood through simulations of a polymeric shell and cross-linked polymer interior. Our results provide a framework for understanding the differential effects of chromatin and lamin A/C in cell nuclear mechanics and their alterations in disease.

Indexed as

Cell Culture TechniquesCell NucleusChromatinEuchromatinHeterochromatinHumansLamin Type AMechanotransduction, CellularChromatinEuchromatinHeterochromatinLamin Type A

Identifiers

PMID28057760
PMCPMC5541848
OpenAlexW2571383784

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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 OpenQuestion graph.