Mechanics and functional consequences of nuclear deformations
Yohalie Kalukula1, Andrew D Stephens2, Jan Lammerding3,4
1University of Mons, Soft Matter & Biomaterials Group, Interfaces and Complex Fluids Laboratory, Research Institute for Biosciences, CIRMAP, Mons, Belgium.
Nature Reviews. Molecular Cell Biology
|May 5, 2022
Summary
The nucleus physically deforms in response to mechanical forces, influencing cell function. This review explores how nuclear mechanics regulate cellular processes and contribute to diseases.
Area of Science:
- Cellular mechanobiology
- Nuclear mechanics and dynamics
Background:
- The nucleus houses genetic material and dictates cell fate.
- Mechanical forces impact nuclear structure and function.
- Nuclear functions were traditionally viewed as downstream of biochemical signaling.
Purpose of the Study:
- To review the emerging field of nuclear mechanoregulation.
- To highlight the nucleus as a mechanical unit.
- To discuss the role of nuclear deformation in cellular functions and disease.
Main Methods:
- Review of current literature on nuclear mechanobiology.
- Analysis of structural and functional responses to nuclear deformation.
- Integration of concepts linking chromatin, lamina, and cytoskeleton.
Main Results:
- Nuclear deformation is a dynamic process regulated by physical connections.
- Structural and functional adaptations occur in response to mechanical stress.
- Nuclear mechanics influence key cellular functions like muscle contraction and migration.
Conclusions:
- Nuclear deformation is a critical regulator of cellular processes.
- Understanding nuclear mechanics offers new insights into cell biology and disease pathogenesis.
- The nucleus acts as a mechanosensor and transducer.
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