ArticleBiophysical journal2024
Interplay of chromatin organization and mechanics of the cell nucleus.
Article in Biophysical journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Multiscale Architecture and Mechanics of the Cell Nucleus: Implications for Disease, Bioengineering and Nanomedicine.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Material-Induced Nuclear Deformation Controls Chromatin Architecture in Adipose Stem Cells.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Nuclear Mechanics and Nuclear Mechanotransduction in Cancer Cell Migration and Invasion.Biomolecules · 2026Review
- Periodic confined cell migration drives partially reversible chromatin reorganization in cancer cell lines.Communications biology · 2026Article
- Reversibility of Nuclear and 3D Genomic Changes in Non-Cancerous Fibroblasts After Constricted Migration.bioRxiv : the preprint server for biology · 2026Article
- Phenotypic transformation of HCC827 cells revealed by evaluation of human platelet lysate as a sustainable fetal bovine serum replacement.Frontiers in cell and developmental biology · 2026Article
- The impact of cell density variations on nanoparticle uptake across bioprinted A549 gradients.Frontiers in bioengineering and biotechnology · 2025Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The nucleus of eukaryotic cells is constantly subjected to different kinds of mechanical stimuli, which can impact the organization of chromatin and, subsequently, the expression of genetic information. Experiments from different groups showed that nuclear deformation can lead to transient or permanent condensation or decondensation of chromatin and the mechanical activation of genes, thus altering the transcription of proteins. Changes in chromatin organization, in turn, change the mechanical properties of the nucleus, possibly leading to an auxetic behavior. Here, we model the mechanics of the nucleus as a chemically active polymer gel in which the chromatin can exist in two states: a self-attractive state representing the heterochromatin and a repulsive state representing euchromatin. The model predicts reversible or irreversible changes in chromatin condensation levels upon external deformations of the nucleus. We find an auxetic response for a broad range of parameters under small and large deformations. These results agree with experimental observations and highlight the key role of chromatin organization in the mechanical response of the nucleus.
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