Physics of liquid crystals in cell biology

A Doostmohammadi, B Ladoux - Trends in cell biology, 2022 - cell.com
The past decade has witnessed a rapid growth in understanding of the pivotal roles of
mechanical stresses and physical forces in cell biology. As a result, an integrated view of …

Active nematics across scales from cytoskeleton organization to tissue morphogenesis

L Balasubramaniam, RM Mège, B Ladoux - Current Opinion in Genetics & …, 2022 - Elsevier
Biological tissues are composed of various cell types working cooperatively to perform their
respective function within organs and the whole body. During development, embryogenesis …

[HTML][HTML] The 2020 motile active matter roadmap

G Gompper, RG Winkler, T Speck… - Journal of Physics …, 2020 - iopscience.iop.org
Activity and autonomous motion are fundamental in living and engineering systems. This
has stimulated the new field of'active matter'in recent years, which focuses on the physical …

Investigating the nature of active forces in tissues reveals how contractile cells can form extensile monolayers

L Balasubramaniam, A Doostmohammadi, TB Saw… - Nature materials, 2021 - nature.com
Actomyosin machinery endows cells with contractility at a single-cell level. However, within a
monolayer, cells can be contractile or extensile based on the direction of pushing or pulling …

Integer topological defects organize stresses driving tissue morphogenesis

P Guillamat, C Blanch-Mercader, G Pernollet… - Nature materials, 2022 - nature.com
Tissues acquire function and shape via differentiation and morphogenesis. Both processes
are driven by coordinating cellular forces and shapes at the tissue scale, but general …

Topology control of human fibroblast cells monolayer by liquid crystal elastomer

T Turiv, J Krieger, G Babakhanova, H Yu… - Science …, 2020 - science.org
Eukaryotic cells in living tissues form dynamic patterns with spatially varying orientational
order that affects important physiological processes such as apoptosis and cell migration …

[HTML][HTML] Reciprocal cell-ECM dynamics generate supracellular fluidity underlying spontaneous follicle patterning

KH Palmquist, SF Tiemann, FL Ezzeddine, S Yang… - Cell, 2022 - cell.com
During vertebrate embryogenesis, cell collectives engage in coordinated behavior to form
tissue structures of increasing complexity. In the avian skin, assembly into follicles depends …

[HTML][HTML] A biomechanical switch regulates the transition towards homeostasis in oesophageal epithelium

J McGinn, A Hallou, S Han, K Krizic… - Nature Cell …, 2021 - nature.com
Epithelial cells rapidly adapt their behaviour in response to increasing tissue demands.
However, the processes that finely control these cell decisions remain largely unknown. The …

Gene deconvolution reveals aberrant liver regeneration and immune cell infiltration in alcohol‐associated hepatitis

A Kim, X Wu, DS Allende, LE Nagy - Hepatology, 2021 - Wiley Online Library
Background and Aims Acute liver damage causes hepatocyte stress and death, but in
chronic liver disease impaired hepatocyte regeneration and immune cell infiltration prevents …

Microtubule detyrosination drives symmetry breaking to polarize cells for directed cell migration

K Lavrsen, G Rajendraprasad… - Proceedings of the …, 2023 - National Acad Sciences
To initiate directed movement, cells must become polarized, establishing a protrusive
leading edge and a contractile trailing edge. This symmetry-breaking process involves …