Sentences with phrase «in cell junctions»

In the body, the «thread» in the cell junctions is made of proteins.
Changes in cell junctions induced by inhibition of epidermal growth factor receptor in oral squamous cell carcinoma cells.

Not exact matches

«The cells we found perform immune surveillance and contain the virus in the key battlefield where infection occurs, which is the dermal - epidermal junction,» said Zhu.
«In theory, conventional single - junction solar cells can only achieve an efficiency level of about 34 percent, but in practice they don't achieve that,» said study co-author Paul Braun, a professor of materials science at IllinoiIn theory, conventional single - junction solar cells can only achieve an efficiency level of about 34 percent, but in practice they don't achieve that,» said study co-author Paul Braun, a professor of materials science at Illinoiin practice they don't achieve that,» said study co-author Paul Braun, a professor of materials science at Illinois.
In the high magnification colorized image of atomic structure in multiple layers typical for a solar cell, the junction of a layer of the transparent hole - conducting material (primarily yellow) with an electron - conducting layer (primarily green) is showIn the high magnification colorized image of atomic structure in multiple layers typical for a solar cell, the junction of a layer of the transparent hole - conducting material (primarily yellow) with an electron - conducting layer (primarily green) is showin multiple layers typical for a solar cell, the junction of a layer of the transparent hole - conducting material (primarily yellow) with an electron - conducting layer (primarily green) is shown.
The same observations were made in organoids (artificially grown masses of cells that resemble an organ) created from unique basal progenitor cells that were isolated from the gastroesophageal junction in mice and humans.
The image, a mysterious, gray blob surrounding a spot of intense red, was based on an electron - microscope photo of a neuromuscular junction (the connection between a nerve cell and a muscle) clipped from a magazine sometime in the 1980s.
Image of the larval tracheal main tube, stained in white to mark the chitinous extracellular matrix and in red to mark the cell - cell junctions.
«Specifically, the protein expression responsible for endothelial cell degeneration and tight junction damage we identified in this study needs to be confirmed through further tests.
Certain changes in synapses — the junctions between nerve cells in the brain — have been linked with brain disorders.
«In this tunnel junction, holes from the silicon solar cell recombine with electrons flowing from the perovskite solar cell using quantum mechanical tunneling,» said Jonathan Mailoa, a graduate student at MIT and co-author of the report, in an emaiIn this tunnel junction, holes from the silicon solar cell recombine with electrons flowing from the perovskite solar cell using quantum mechanical tunneling,» said Jonathan Mailoa, a graduate student at MIT and co-author of the report, in an emaiin an email.
One avenue involves protein - based adherens junctions, which allow sperm to attach to specialized cells in the testes.
But if the solar energy is significantly intensified — to 700 suns or more — the connecting junctions used in existing stacked cells begin losing voltage.
The accumulation of different amounts of cadherins produced different levels of adhesiveness between cell junctions, resulting in a mosaic pattern.
In order to reduce these large energy losses and raise efficiency, Professor Kita's research team used two small photons from the energy transmitted through a single - junction solar cell containing a hetero - interface formed from semiconductors with different bandgaps.
In trying to understand the brain, for instance, neuroscientists have focused on synapses — the junctions between nerve - cell endings — as the essential transmitters of thought and feeling.
In theory, 30 % energy - conversion efficiency is the upper limit for traditional single - junction solar cells, as most of the solar energy that strikes the cell passes through without being absorbed, or becomes heat energy instead.
Each glomerulus — «a ball of axons and dendrites,» according to Albeanu — is a junction where axons from sensory neurons meet up with and connect, or synapse, with dendrites sent from the next processing layer in the bulb, populated by mitral cells.
Yesterday, Spectrolab announced that its newest triple - junction solar cells had achieved the world record in efficiency, converting 41.6 percent of specially concentrated sunlight into electricity.
The researchers noted in the report that making the transition from a silicon single - junction cell to a silicon - based dual - junction solar cell will enable manufacturers to push efficiencies past 30 % while still benefiting from their expertise in making silicon solar cells.
Through further testing, they figured out that when Notch1 is activated and its intracellular domain is released, its TMD assembles a complex in the membrane with the proteins VE - cadherin, Rac1, LAR, and Trio, which collectively assemble and maintain the adherens junctions between cells and distribute actin fibers against the cell membrane to support those junctions.
«The first hit results in the initial separation of cells but only the pathogenic antibodies drive further intracellular changes that lead to the breaking of the cell junction and blistering.»
On examination, the patient - derived Purkinje cells showed structural abnormalities in dendrites (the projections neurons use to take in signals) and signs of impaired development of synapses (junctions with other neurons).
Correct tight junctions between cells labeled in yellow due to the presence of the protein PARD3.
In this way, the tight junction barrier in the cell sheet is always maintaineIn this way, the tight junction barrier in the cell sheet is always maintainein the cell sheet is always maintained.
The team also discovered that these cells manufacture proteins, which act as a temporary glue that binds the cells together in what are called «tight junctions».
In other cases, fails in the interlocking barrier between cells — the tight junctions — may partly explain why in psoriasis there is an overproduction of epidermal cells, causing thick patches of skin on the surfacIn other cases, fails in the interlocking barrier between cells — the tight junctions — may partly explain why in psoriasis there is an overproduction of epidermal cells, causing thick patches of skin on the surfacin the interlocking barrier between cells — the tight junctions — may partly explain why in psoriasis there is an overproduction of epidermal cells, causing thick patches of skin on the surfacin psoriasis there is an overproduction of epidermal cells, causing thick patches of skin on the surface.
«The new protein plays a key role in the formation of adherens junctions of epithelial cells, and Listeria uses it for its own infectious process.»
Junctophilin - 4, a component of the endoplasmic reticulum — plasma membrane junctions, regulates Ca2 + dynamics in T cells.
Assembly of connexin43 into gap junctions is regulated differentially by E-cadherin and N - cadherin in rat liver epithelial cells.
Meanwhile, another group of French researchers identified the same protein, ARHGAP10, as a partner with two other molecules — Arf1 and Arf6 — involved in both actin dynamics deep within the cell and the turnover of adherens junctions.
Zyxin controls migration in epithelial — mesenchymal transition by mediating actin - membrane linkages at cellcell junctions.
As cellular junctions are one of the first specialized structures that form during tissue development they have a critical role in guiding cell polarization and differentiation.
Limbal epithelial stem cells (LESCs) reside in the basal layer of the limbal area, at the vascularised junction between the corneal and conjunctival epithelium.
Müller cell apical processes appear to be lost in regions lacking adherens junctions in these mice, as demonstrated by absent or reduced CD44 labeling and by electron microscopy.
By culturing RBECs and human endothelial cells under flow conditions, the researchers found that cell - cell junctions they formed accurately mimicked endothelial barrier formation in the brain.
In Drosophila epithelia, the tumor suppressors Fat (Ft) and Dachsous (Ds) regulate cell proliferation, tissue morphogenesis, planar cell polarity and junction tension.
In addition to its structural role in epithelial junctions, beta - catenin activates TCF -4-mediated transcription of genes required for cell proliferatioIn addition to its structural role in epithelial junctions, beta - catenin activates TCF -4-mediated transcription of genes required for cell proliferatioin epithelial junctions, beta - catenin activates TCF -4-mediated transcription of genes required for cell proliferation.
Yohanns Bellaiche's teams, Polarity Division Morphogenesis --(CNRS / Inserm / Institut Curie), works on the organisation of tissue cells just published its latest results in the revue Nature: Epithelial tricellular junctions act as interphase...
At this stage animals are large enough such that the cell bodies of motor neurons in the ventral nerve cord are well spaced, making it less ambiguous in deciding if presumptive gap junction puncta are associated with a particular motor neuron.
That process, in turn, may generate «synaptic plasticity» allowing the junctions between nerve cells to strengthen and weaken more easily.
Publishing on December 1st in Neuron, researchers used fruit fly larvae to uncover the presence of a molecular pathway that responds to nutrient scarcity and lowers synapse activity at the junctions between neurons and muscle cells.
From numerous studies in the Xenopus paired oocyte system and various cell culture systems, a reasonable assumption might be that if two cells express the same connexin or innexin and lie in close membrane apposition, gap junctions will probably be established between them; this assumption has not been investigated rigorously in vivo.
INX - 4:: GFP does not appear to be expressed in neurons implicated in locomotion, but is expressed in a number of ciliated neurons, pharyngeal m1 muscle cells, and the RIP neurons that form gap junctions with pharyngeal I1 neurons (Figure 5E).
UNC - 9 expressed in AVB cells might be expected to compete with, and displace, endogenous UNC - 7S from these gap junctions.
The observations that astrocytes and even non-neural cells (J Cell Sci 2004, J Lipid Res 2007) store and can release neurotransmitter amino acids in a way resembling synaptic release, and that oligodendrocytes have NMDA type glutamate receptors (Nature 2005), together with findings that glutamate and other neuroactive substances can be co-released from nerve endings (Eur J Neurosci 2003, Molec Neurosci 2004, Cereb Cortex 2009a), including at the neuromuscular junction (Neuroscience 2007b), suggest novel ways of intercellular communication and potential drug targets.
Improving the strength and health of intestinal walls, preventing leaky gut, and reducing inflammation by maintaining the tight junctions between the cells in the lining of these walls
In sensitive people, gluten can cause the gut cells to release zonulin, a protein that can break the tight junctions apart.
Pathogens, and the toxins they produce, damage cells in your gut and open the spaces between them, which are called the tight junctions.
Scientific theories consider that the entrance of food antigens into the systemic body through the tight junctions may cause an auto - immune reaction against the beta cells in the pancreas.
a b c d e f g h i j k l m n o p q r s t u v w x y z