Mechanical programming of arterial smooth muscle cells in health and ageing

RT Johnson, R Solanki, DT Warren - Biophysical Reviews, 2021 - Springer
Arterial smooth muscle cells (ASMCs), the predominant cell type within the arterial wall,
detect and respond to external mechanical forces. These forces can be derived from blood …

SWAP, SWITCH, and STABILIZE: Mechanisms of kinetochore–microtubule error correction

TU Tanaka, T Zhang - Cells, 2022 - mdpi.com
For correct chromosome segregation in mitosis, eukaryotic cells must establish chromosome
biorientation where sister kinetochores attach to microtubules extending from opposite …

Using polyacrylamide hydrogels to model physiological aortic stiffness reveals that microtubules are critical regulators of isolated smooth muscle cell morphology and …

S Ahmed, RT Johnson, R Solanki, T Afewerki… - Frontiers in …, 2022 - frontiersin.org
Vascular smooth muscle cells (VSMCs) are the predominant cell type in the medial layer of
the aortic wall and normally exist in a quiescent, contractile phenotype where actomyosin …

Simulations of dynamically cross-linked actin networks: morphology, rheology, and hydrodynamic interactions

O Maxian, RP Peláez, A Mogilner… - PLoS computational …, 2021 - journals.plos.org
Cross-linked actin networks are the primary component of the cell cytoskeleton and have
been the subject of numerous experimental and modeling studies. While these studies have …

Understanding cytoskeletal avalanches using mechanical stability analysis

C Floyd, H Levine, C Jarzynski… - Proceedings of the …, 2021 - National Acad Sciences
Eukaryotic cells are mechanically supported by a polymer network called the cytoskeleton,
which consumes chemical energy to dynamically remodel its structure. Recent experiments …

Moving in the mesoscale: Understanding the mechanics of cytoskeletal molecular motors by combining mesoscale simulations with imaging

MSC Gravett, RC Cocking, AP Curd… - Wiley …, 2022 - Wiley Online Library
Rapid advances in experimental biophysical techniques are generating a wealth of
information about the mechanical operation of the cellular cytoskeleton and its motors …

Computational simulations reveal that Abl activity controls cohesiveness of actin networks in growth cones

A Chandrasekaran, A Clarke, P McQueen… - Molecular biology of …, 2022 - Am Soc Cell Biol
Extensive studies of growing axons have revealed many individual components and protein
interactions that guide neuronal morphogenesis. Despite this, however, we lack any clear …

Nucleation causes an actin network to fragment into multiple high-density domains

A Chandrasekaran, E Giniger, GA Papoian - Biophysical Journal, 2022 - cell.com
Actin networks rely on nucleation mechanisms to generate new filaments because
spontaneous nucleation is kinetically disfavored. Branching nucleation of actin filaments by …

Segmental Lennard-Jones interactions for semi-flexible polymer networks

C Floyd, A Chandresekaran, H Ni, Q Ni… - Molecular …, 2021 - Taylor & Francis
Simulating soft matter systems such as the cytoskeleton can enable deep understanding of
experimentally observed phenomena. One challenge of modelling such systems is realistic …

Myosin and -actinin regulation of stress fiber contractility under tensile stress

H Ni, Q Ni, GA Papoian, A Trache, Y Jiang - Scientific Reports, 2023 - nature.com
Stress fibers are actomyosin bundles that regulate cellular mechanosensation and force
transduction. Interacting with the extracellular matrix through focal adhesion complexes …