The uniformity and stability of cellular mass density in mammalian cell culture

X Liu, S Oh, MW Kirschner - Frontiers in Cell and Developmental …, 2022 - frontiersin.org
Cell dry mass is principally determined by the sum of biosynthesis and degradation.
Measurable change in dry mass occurs on a time scale of hours. By contrast, cell volume …

Epithelial tissue confinement inhibits cell growth and leads to volume-reducing divisions

J Devany, MJ Falk, LJ Holt, A Murugan, ML Gardel - Developmental cell, 2023 - cell.com
Cell proliferation is a central process in tissue development, homeostasis, and disease, yet
how proliferation is regulated in the tissue context remains poorly understood. Here, we …

In situ quantification of osmotic pressure within living embryonic tissues

A Vian, M Pochitaloff, ST Yen, S Kim, J Pollock… - Nature …, 2023 - nature.com
Mechanics is known to play a fundamental role in many cellular and developmental
processes. Beyond active forces and material properties, osmotic pressure is believed to …

Physiological stress drives the emergence of a Salmonella subpopulation through ribosomal RNA regulation

CC Mattioli, K Eisner, A Rosenbaum, M Wang, A Amir… - Current Biology, 2023 - cell.com
Bacteria undergo cycles of growth and starvation to which they must adapt swiftly. One
important strategy for adjusting growth rates relies on ribosomal levels. Although high …

A Comparison of the Effects of Continuous Illumination and Day/Night Regimes on PHB Accumulation in Synechocystis Cells

C Fleischhacker-Daffert, A Zerobin, F Hummel… - Life, 2024 - pmc.ncbi.nlm.nih.gov
Poly (3-hydroxybutyrate)(PHB) is a biobased and biodegradable polymer with properties
comparable to polypropylene and therefore has the potential to replace conventional …

Volume regulation in adhered cells: Roles of surface tension and cell swelling

RM Adar, AS Vishen, JF Joanny, P Sens, SA Safran - Biophysical journal, 2023 - cell.com
The volume of adhered cells has been shown experimentally to decrease during spreading.
This effect can be understood from the pump-leak model, which we have extended to …

Stochastic Gene Expression Model of Nuclear-to-Cell Ratio Homeostasis

X Bai, TG Fai - arxiv preprint arxiv:2407.19066, 2024 - arxiv.org
Cell size varies between different cell types, and between different growth and osmotic
conditions. However, the nuclear-to-cell volume ratio (N/C ratio) remains nearly constant. In …

Mitosis sets nuclear homeostasis of cancer cells under confinement

M Mouelhi, A Saffon, M Roinard, H Delanoë-Ayari… - bioRxiv, 2023 - biorxiv.org
During their life, mammalian cells are subjected to numerous mechanical constraints,
especially in pathological contexts such as cancer. Recent studies have highlighted the …