[HTML][HTML] Structural basis of membrane skeleton organization in red blood cells
The spectrin-based membrane skeleton is a ubiquitous membrane-associated two-
dimensional cytoskeleton underneath the lipid membrane of metazoan cells. Mutations of …
dimensional cytoskeleton underneath the lipid membrane of metazoan cells. Mutations of …
Focal adhesions contain three specialized actin nanoscale layers
Focal adhesions (FAs) connect inner workings of cell to the extracellular matrix to control cell
adhesion, migration and mechanosensing. Previous studies demonstrated that FAs contain …
adhesion, migration and mechanosensing. Previous studies demonstrated that FAs contain …
Young osteocyte-derived extracellular vesicles facilitate osteogenesis by transferring tropomyosin-1
ZX Wang, X Lin, J Cao, YW Liu, ZW Luo… - Journal of …, 2024 - Springer
Background Bone marrow mesenchymal stem cells (BMSCs) can undergo inadequate
osteogenesis or excessive adipogenesis as they age due to changes in the bone …
osteogenesis or excessive adipogenesis as they age due to changes in the bone …
Myosin-1C differentially displaces tropomyosin isoforms altering their inhibition of motility
LW Pollard, M Boczkowska, R Dominguez… - Journal of Biological …, 2024 - jbc.org
Force generation and motility by actomyosin in nonmuscle cells are spatially regulated by∼
40 tropomyosin (Tpm) isoforms. The means by which Tpms are targeted to specific cellular …
40 tropomyosin (Tpm) isoforms. The means by which Tpms are targeted to specific cellular …
[HTML][HTML] Cryo-EM Structures of Cardiac Muscle α-Actin Mutants M305L and A331P Give Insights into the Structural Mechanisms of Hypertrophic Cardiomyopathy
HL Huang, A Suchenko, G Grandinetti… - European Journal of …, 2024 - Elsevier
Cardiac muscle α-actin is a key protein of the thin filament in the muscle sarcomere that,
together with myosin thick filaments, produce force and contraction important for normal …
together with myosin thick filaments, produce force and contraction important for normal …
Specialized actin nanoscale layers control focal adhesion turnover
Focal adhesions (FAs) connect inner workings of the cell to the extracellular matrix to control
cell adhesion, migration, and mechanosensing,. Previous studies demonstrated that FAs …
cell adhesion, migration, and mechanosensing,. Previous studies demonstrated that FAs …
Single molecule visualization of tropomyosin isoform organization in the mammalian actin cytoskeleton
The actin cytoskeleton is composed of both branched and unbranched actin filaments. In
mammals, the unbranched actin filaments are primarily copolymers of actin and …
mammals, the unbranched actin filaments are primarily copolymers of actin and …
[HTML][HTML] Functional redundancy and formin-independent localization of tropomyosin isoforms in Saccharomyces cerevisiae
A Dhar, VT Bagyashree, S Biswas, J Kumari… - bioRxiv, 2024 - ncbi.nlm.nih.gov
Tropomyosin is an actin binding protein which protects actin filaments from cofilin-mediated
disassembly. Distinct tropomyosin isoforms have long been hypothesized to differentially …
disassembly. Distinct tropomyosin isoforms have long been hypothesized to differentially …
Deciphering the molecular mechanisms of actin cytoskeleton regulation in cell migration using cryo-EM
The actin cytoskeleton plays a key role in cell migration and cellular morphodynamics in
most eukaryotes. The ability of the actin cytoskeleton to assemble and disassemble in a …
most eukaryotes. The ability of the actin cytoskeleton to assemble and disassemble in a …
Tropomyosin Isoform Expression and Function During Sea Star Development
VFM Vazquez - 2024 - search.proquest.com
For animal cells to be able to maintain or modify their shape, the actin cytoskeleton needs to
be dynamic and able to respond in a matter of seconds. For instance, when cells enter …
be dynamic and able to respond in a matter of seconds. For instance, when cells enter …