Cell–extracellular matrix mechanotransduction in 3D

A Saraswathibhatla, D Indana… - Nature Reviews Molecular …, 2023 - nature.com
Mechanical properties of extracellular matrices (ECMs) regulate essential cell behaviours,
including differentiation, migration and proliferation, through mechanotransduction. Studies …

The Donnan potential revealed

P Aydogan Gokturk, R Sujanani, J Qian, Y Wang… - Nature …, 2022 - nature.com
Selective transport of solutes across a membrane is critical for many biological, water
treatment and energy conversion and storage systems. When a charged membrane is …

Nuclear fragility, blaming the blebs

N Srivastava, GP de Freitas Nader, A Williart… - Current Opinion in Cell …, 2021 - Elsevier
Although textbook pictures depict the cell nucleus as a simple ovoid object, it is now clear
that it adopts a large variety of shapes in tissues. When cells deform, because of cell …

Physical basis of the cell size scaling laws

R Rollin, JF Joanny, P Sens - Elife, 2023 - elifesciences.org
Cellular growth is the result of passive physical constraints and active biological processes.
Their interplay leads to the appearance of robust and ubiquitous scaling laws relating …

Balance of osmotic pressures determines the nuclear-to-cytoplasmic volume ratio of the cell

D Deviri, SA Safran - … of the National Academy of Sciences, 2022 - National Acad Sciences
The volume of the cell nucleus varies across cell types and species and is commonly
thought to be determined by the size of the genome and degree of chromatin compaction …

Mesoscale phase separation of chromatin in the nucleus

G Bajpai, DA Pavlov, D Lorber, T Volk, S Safran - Biophysical Journal, 2020 - cell.com
Many measurements of chromatin packing in the nucleus of fixed cells indicate that a large
fraction of the nuclear volume is filled with chromatin. Our measurements of the spatial …

Protein and lipid mass concentration measurement in tissues by stimulated Raman scattering microscopy

S Oh, CH Lee, W Yang, A Li… - Proceedings of the …, 2022 - National Acad Sciences
Cell mass and chemical composition are important aggregate cellular properties that are
especially relevant to physiological processes, such as growth control and tissue …

N2FXm, a method for joint nuclear and cytoplasmic volume measurements, unravels the osmo-mechanical regulation of nuclear volume in mammalian cells

FA Pennacchio, A Poli, FM Pramotton, S Lavore… - Nature …, 2024 - nature.com
In eukaryotes, cytoplasmic and nuclear volumes are tightly regulated to ensure proper cell
homeostasis. However, current methods to measure cytoplasmic and nuclear volumes …

Gap junctions amplify spatial variations in cell volume in proliferating tumor spheroids

E McEvoy, YL Han, M Guo, VB Shenoy - Nature communications, 2020 - nature.com
Sustained proliferation is a significant driver of cancer progression. Cell-cycle advancement
is coupled with cell size, but it remains unclear how multiple cells interact to control their …

A mechano-osmotic feedback couples cell volume to the rate of cell deformation

L Venkova, AS Vishen, S Lembo, N Srivastava… - Elife, 2022 - elifesciences.org
Mechanics has been a central focus of physical biology in the past decade. In comparison,
how cells manage their size is less understood. Here, we show that a parameter central to …