Results 51 to 60 of about 843,128 (402)

Polarized cell motility induces hydrogen peroxide to inhibit cofilin via cysteine oxidation [PDF]

open access: yes, 2015
Mesenchymal cell motility is driven by polarized actin polymerization [1]. Signals at the leading edge recruit actin polymerization machinery to promote membrane protrusion, while matrix adhesion generates tractive force to propel forward movement.
Anderson, Kurt I.   +9 more
core   +1 more source

Jackhammer Esophagus: From Manometric Diagnosis to Clinical Presentation

open access: yesCanadian Journal of Gastroenterology and Hepatology, 2019
Background. Jackhammer esophagus is a hypercontractile esophageal disorder recently brought to light with the advent of high resolution manometry (HRM).
Marianne Clément   +3 more
doaj   +1 more source

Elucidation of the Photorhabdus temperata Genome and Generation of a Transposon Mutant Library To Identify Motility Mutants Altered in Pathogenesis [PDF]

open access: yes, 2015
The entomopathogenic nematode Heterorhabditis bacteriophora forms a specific mutualistic association with its bacterial partner Photorhabdus temperata.
Abebe-Akele, Feseha   +9 more
core   +2 more sources

The Shape of Motile Cells [PDF]

open access: yesCurrent Biology, 2009
Motile cells - fan-like keratocytes, hand-shaped nerve growth cones, polygonal fibroblasts, to name but a few - come in different shapes and sizes. We discuss the origins of this diversity as well as what shape tells us about the physics and biochemistry underlying cell movement.
Alex Mogilner, Kinneret Keren
openaire   +3 more sources

Remodeling of the Collagen Matrix in Aging Skin Promotes Melanoma Metastasis and Affects Immune Cell Motility.

open access: yesCancer Discovery, 2018
Physical changes in skin are among the most visible signs of aging. We found that young dermal fibroblasts secrete high levels of extracellular matrix (ECM) constituents, including proteoglycans, glycoproteins, and cartilage-linking proteins.
A. Kaur   +29 more
semanticscholar   +1 more source

On the parabolic-elliptic Keller-Segel system with signal-dependent motilities: a paradigm for global boundedness and steady states [PDF]

open access: yes, 2020
This paper is concerned with a parabolic-elliptic Keller-Segel system where both diffusive and chemotactic coefficients (motility functions) depend on the chemical signal density. This system was originally proposed by Keller and Segel in \cite{KS-1971-JTB2} to describe the aggregation phase of {\it Dictyostelium discoideum} cells in response to the ...
arxiv   +1 more source

Dispersion of motile bacteria in a porous medium [PDF]

open access: yes, 2022
Understanding flow and transport of bacteria in porous media is crucial to technologies such as bioremediation, biomineralization or enhanced oil recovery. While physicochemical bacteria filtration is well-documented, recent studies showed that bacterial motility plays a key role in the transport process.
arxiv   +1 more source

Syntaphilin controls a mitochondrial rheostat for proliferation-motility decisions in cancer. [PDF]

open access: yes, 2017
Tumors adapt to an unfavorable microenvironment by controlling the balance between cell proliferation and cell motility, but the regulators of this process are largely unknown.
Ashani T. Weeraratna   +17 more
core   +2 more sources

Soft micromachines with programmable motility and morphology

open access: yesNature Communications, 2016
Nature provides a wide range of inspiration for building mobile micromachines that can navigate through confined heterogenous environments and perform minimally invasive environmental and biomedical operations.
Hen-Wei Huang   +4 more
semanticscholar   +1 more source

Current Insights and Latest Updates in Sperm Motility and Associated Applications in Assisted Reproduction

open access: yesReproductive Sciences, 2020
Spermatozoon is a motile cell with a special ability to travel through the woman’s reproductive tract and fertilize an oocyte. To reach and penetrate the oocyte, spermatozoa should possess progressive motility.
Reyon Dcunha   +7 more
semanticscholar   +1 more source

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