Changes in tissue fluidity predict tumor aggressiveness in vivo

F Sauer, S Grosser, M Shahryari, A Hayn… - Advanced …, 2023 - Wiley Online Library
Cancer progression is caused by genetic changes and associated with various alterations in
cell properties, which also affect a tumor's mechanical state. While an increased stiffness …

Effect of non-linear strain stiffening in eDAH and unjamming

X Xie, F Sauer, S Grosser, J Lippoldt, E Warmt, A Das… - Soft Matter, 2024 - pubs.rsc.org
In cell clusters, the prominent factors at play encompass contractility-based enhanced tissue
surface tension and cell unjamming transition. The former effect pertains to the boundary …

Topologically-protected interior for three-dimensional confluent cellular collectives

T Zhang, JM Schwarz - Physical Review Research, 2022 - APS
Organoids are in vitro cellular collectives from which, for example, brain-like, or gut-like, or
kidney-like structures emerge. To make quantitative predictions regarding the morphology …

Integrins regulate hERG1 dynamics by girdin-dependent Gαi3: signaling and modeling in cancer cells

C Duranti, J Iorio, G Bagni, GC Altadonna… - Life science …, 2024 - life-science-alliance.org
The hERG1 potassium channel is aberrantly over expressed in tumors and regulates the
cancer cell response to integrin-dependent adhesion. We unravel a novel signaling pathway …

Surface activity of cancer cells: the fusion of two cell aggregates

I Pajic-Lijakovic, M Milivojevic - arXiv preprint arXiv:2109.09424, 2021 - arxiv.org
Although a good comprehension of how cancer cells collectively migrate by following
molecular rules which influence the state of cell-cell adhesion contacts has been generated …

Skin epithelial cells change their mechanics and proliferation upon snail-mediated EMT signalling

K Hosseini, P Trus, A Frenzel, C Werner… - Soft Matter, 2022 - pubs.rsc.org
Skin cancer is the most commonly occurring cancer in the USA and Germany, and the fourth
most common cancer worldwide. Snail-dependent epithelial–mesenchymal transition (EMT) …

Linking Metastatic Potential and Viscoelastic Properties of Breast Cancer Spheroids via Dynamic Compression and Relaxation in Microfluidics

M Tavasso, AD Bordoloi, E Tanré… - Advanced …, 2024 - Wiley Online Library
The growth and invasion of solid tumors are associated with changes in their viscoelastic
properties, influenced by both internal cellular factors and physical forces in the tumor …

[HTML][HTML] Different contractility modes control cell escape from multicellular spheroids and tumor explants

E Blauth, S Grosser, F Sauer, M Merkel… - APL …, 2024 - pubs.aip.org
Cells can adapt their active contractile properties to switch between dynamical migratory
states and static homeostasis. Collective tissue surface tension, generated among others by …

[HTML][HTML] Tension-induced adhesion mode switching: the interplay between focal adhesions and clathrin-containing adhesion complexes

U Djakbarova, Y Madraki, ET Chan, T Wu… - bioRxiv, 2024 - ncbi.nlm.nih.gov
Integrin-based adhesion complexes are crucial in various cellular processes, including
proliferation, differentiation, and motility. While the dynamics of canonical focal adhesion …

How human-derived brain organoids are built differently from brain organoids derived of genetically-close relatives: A multi-scale hypothesis

T Zhang, S Gupta, MA Lancaster… - arXiv preprint arXiv …, 2023 - arxiv.org
How genes affect tissue scale organization remains a longstanding biological puzzle. As
experimental efforts are underway to solve this puzzle via quantification of gene expression …