Results 91 to 100 of about 20,573 (287)

Mechanical Overloading‐Induced Nanomineral Crystal Perturbation from the Osteochondral Interface: A Potential Initiator of Osteoarthritis

Advanced Science, EarlyView.
Laser‐induced graphene (LIG) provides a scalable, laser‐direct‐written route to porous graphene architecture with tunable chemistry and defect density. Through heterojunction engineering, catalytic functionalization, and intrinsic self‐heating, LIG achieves highly sensitive and selective detection of NOX, NH3, H2, and humidity, supporting next ...
Nan Jiang, Rong Ren, Zhan Su, Jiahao Zhou, Pinyin Cao, Sicheng Zhang, Zhen Li, Chao Li, Songsong Zhu   +8 more
wiley   +1 more source

ER network dynamics are differentially controlled by myosins XI-K, XI-C, XI-E, XI-I, XI-1 and XI-2

Frontiers in Plant Science, 2014
The endoplasmic reticulum (ER) of higher plants is a complex network of tubules and cisternae. Some of the tubules and cisternae are relatively persistent, while others are dynamically moving and remodelling through growth and shrinkage, cycles of ...
Lawrence eGriffing, Hongbo Tinghong Gao, Imogen eSparkes   +2 more
doaj   +1 more source

Enhanced reaction kinetics in biological cells

, 2008
The cell cytoskeleton is a striking example of "active" medium driven out-of-equilibrium by ATP hydrolysis. Such activity has been shown recently to have a spectacular impact on the mechanical and rheological properties of the cellular medium, as well as
A Ajdari, B Alberts, C Storm, C. Loverdo, D Holcman, D Mizuno, F Nedelec, FJ Nedelec, G Kolesov, H Salman, I Eliazar, J Howard, K Kruse, L Le Goff, M Coppey, M Slutsky, M. Moreau, MA Lomholt, MF Shlesinger, MF Shlesinger, MP Sheetz, O Berg, O Bénichou, O Bénichou, O Bénichou, O Thoumine, O. Bénichou, P Dalhaimer, R Voituriez, R Voituriez, R. Voituriez, S Condamin, S Huet, S Redner   +33 more
core   +1 more source

SKOOTS: Skeleton‐Oriented Object Segmentation for Mitochondria in High‐Resolution Cochlear EM Datasets

Advanced Science, EarlyView.
Skeleton‐oriented object segmentation (SKOOTS) introduces a new strategy for 3D mitochondrial instance segmentation by predicting explicit skeletons rather than relying on boundary cues. This approach enables robust analysis of densely packed organelles in large FIB‐SEM datasets.
Christopher J. Buswinka, Richard T. Osgood, Hidetomi Nitta, Artur A. Indzhykulian   +3 more
wiley   +1 more source

Different subcellular localizations and functions of Arabidopsis myosin VIII

BMC Plant Biology, 2008
Background Myosins are actin-activated ATPases that use energy to generate force and move along actin filaments, dragging with their tails different cargos.
Belausov Eduard, Abu-Abied Mohamad, Golomb Lior, Sadot Einat   +3 more
doaj   +1 more source

Evolution: functional evolution of nuclear structure. [PDF]

, 2011
The evolution of the nucleus, the defining feature of eukaryotic cells, was long shrouded in speculation and mystery. There is now strong evidence that nuclear pore complexes (NPCs) and nuclear membranes coevolved with the endomembrane system, and that ...
Dawson, Scott C, Wilson, Katherine L
core  

Molecular motors: design, mechanism and control

, 2008
Biological functions in each animal cell depend on coordinated operations of a wide variety of molecular motors. Some of the these motors transport cargo to their respective destinations whereas some others are mobile workshops which synthesize ...
Chowdhury, Debashish
core   +1 more source

Nicotinamide and Pyridoxine Supplementation Enhances Muscle Stem Cell Activity and Muscle Regeneration in Humans: A Randomized Placebo‐Controlled Clinical Trial of High Force Eccentric Contraction Recovery in Healthy Young Men

Advanced Science, EarlyView.
In a randomized clinical trial, we test the potential of combined nicotinamide (NAM) and pyridoxine (PN) to improve muscle recovery through muscle stem cell (MuSC) activity. Daily oral NAM and PN supplementation after high intensity muscle contractions enhances MuSC activation and differentiation, and accelerates muscle regeneration, providing new ...
Grith Højfeldt, Joris Michaud, Ann Damgaard, Karoline Karlog, Eugenia Migliavacca, Sonia Karaz, Elham Pazirandeh‐Micol, Odd E. Johansen, Leonidas G. Karagounis, Bjørk W. Helge, William Hagemann, Michael Kjaer, Jerome N. Feige, Pascal Stuelsatz, Abigail L. Mackey   +14 more
wiley   +1 more source

Coupling biochemistry and mechanics in cell adhesion: a model for inhomogeneous stress fiber contraction

, 2007
Biochemistry and mechanics are closely coupled in cell adhesion. At sites of cell-matrix adhesion, mechanical force triggers signaling through the Rho-pathway, which leads to structural reinforcement and increased contractility in the actin cytoskeleton.
Achim Besser, Bartelt D C, Butler T M, Fung Y C, Huxley A F, Klipp E, Lo C-M, Mijailovich S M, Murray J D, Nagamoto H, Nunnally M H, Pato M D, Pollard T D, Ulrich S Schwarz, Umemoto S   +14 more
core   +1 more source

Myeloid‐Derived Grancalcin Promotes Periodontal Inflammation and Pathological Bone Remodeling in Periodontitis

Advanced Science, EarlyView.
Grancalcin (GCA), a myeloid‐derived protein, is enriched in gingival tissues of periodontitis patients and mouse models. Through interactions with CD44 and activation of MYH9, GCA promotes NF‐κB signaling and exacerbates periodontal inflammation and bone loss.
Min Zhou, Yao Xiao, Ziyue Xu, Chengyu Yang, Jiang Li, Ya Liu, Ping Yin   +6 more
wiley   +1 more source