Sentences with phrase «new cell membranes»

My diet virtually always increases LDL particle size (I have measured this for over a decade), such that they are not harmful (less oxidized), but rather beneficial, and can be delivered as necessary to make new cell membranes and cells.

A new nuclear envelope forms around each set of chromosomes, and new cell membranes separate the two daughter cells.

This brings the fatty acid cycle to a grinding halt, and the parasite can not divide for want of new cell membranes.

Not exact matches

To help make ideas about energy more concrete, for example, the new unit will use a variety of analogies from more familiar physical systems (e.g., combustion and charging a cellphone battery) to help students understand those same energy - releasing and energy - requiring chemical reactions and energy transfer when they occur in living organisms (e.g., cellular respiration, creating a charge across a membrane in mitochondria and nerve cells) where the reactions are more complex and difficult to observe.

And a new analysis of the STEP trial, published last November in Proceedings of the National Academy of Sciences USA, provides a warning that the very vectors (adenoviruses, which are also employed in other vaccine development work) used to distribute the inactive HIV strains can actually make the immune system more vulnerable to infection by recruiting susceptible T cells to mucous membranes, where they are more likely to be infected during sexual activity.

The organizers, including researchers from Frankfurt, expect that many cellular functions of membrane lipids will be revisited from a new perspective and that it will be possible to support hormone - producing cells in a more targeted manner.

As they incessantly shake or spin or crawl around the cell, these machines cut, paste and copy genetic molecules, shuttle nutrients around or turn them into energy, build and repair cellular membranes, relay mechanical, chemical or electrical messages — the list goes on and on, and new discoveries add to it all the time.

«Cancer therapies that attack the lipid composition of the cell membrane would be an entirely new class of anticancer drugs,» says co-senior study author Paul Beales, of the University of Leeds in the UK.

Further animal studies by Kipnis and others show that learning new tasks triggers a mild stress response within the brain, which prompts CD4 cells to rally to the meninges, the membranes that surround the brain.

In a new study, Umeå researchers show how this particle recognizes these address tags and thus makes it possible for the proteins to be directed to the cell membrane.

The more primitive virus, however, carries no repair mechanisms; a new virion (complete virus) acquires lipids for its envelope by literally ripping them off of the cellular membrane as it buds off from the infected cell.

Stagljar and his colleagues also applied the new technology, which they dubbed MaMTH (for Mammalian - Membrane Two - Hybrid assay), to identify a protein that plays a role in the most common form of lung cancer called non-small cell lung cancer.

«This technology gives us a new tool to examine membrane proteins in their natural environment of the human cell,» said Igor Stagljar, a Professor in the Donnelly Centre for Cellular and Biomolecular Research.

One of the challenges to scaling up the process, he notes, will be developing new materials for fuel cell membranes that won't quickly become clogged with the chemical byproducts of bacterial activity, which would cut down on the flow of ions that help maintain the voltage difference across the membranes.

C.R.: I think it's important because it gives us a new view on protein complexes — for example, we can look at how proteins are interacting in membranes and also in soluble compartments of cells... actually joined together... in the gas phase of the mass spectrometer.

In a new paper, he and colleagues reveal that host cells sequester viral proteins away from the plasma membrane within the cell, thus preventing viruses from spreading.

Then came a new step: They carefully extracted the fragile, immature eggs and some surrounding cells from the follicles, and allowed them to further mature on a special membrane in the presence of more growth - supporting proteins.

And as the cell grows, the enzymes expand the membrane as well; when the cell divides, enzymes push apart the membrane and its contents into two new cells.

Michael Metzger, researcher at the Technical University of Munich (TUM), shows the core of his new battery test cell: A glass ceramic membrane, coated with aluminum and plastic, allows only lithium ions to pass through.

In new research, published in an article in The Journal of Neuroscience, Burger and Oline — along with Dr. Go Ashida of the University of Oldenburg in Germany — have investigated auditory brain cell membrane selectivity and observed that the neurons «tuned» to receive high - frequency sound preferentially select faster input than their low - frequency - processing counterparts — and that this preference is tolerant of changes to the inputs being received.

And a new analysis of the stopped STEP trial, published online Monday in Proceedings in the National Academy of Sciences, provides a warning that the very vectors (adenoviruses, which are also employed in other vaccine development) used to distribute the inactive HIV strains can actually prime the immune system to be infected by recruiting susceptible T cells to mucous membranes, where they are more likely to be infected during sexual activity.

In a step toward accelerating the production of new gene therapies, scientists report in ACS Nano that they have developed remote - controlled, needle - like nanospears capable of piercing membrane walls and delivering DNA into selected cells.

«New mechanobiology technique to stop cancer cell migration: Researchers have synthesized a molecule that targets the membranes of cervical cancer cells to block their migration.»

Meanwhile, other groups developed new ways of killing bacteria with vancomycin: One alteration found a novel way to halt cell wall construction, whereas another caused the outer wall membrane to leak, leading to cell death.

All living cells that grow and divide have a constant demand for producing new proteins and new membrane lipids.

The team modelled how the membrane changed, enabling LUCA's descendants to move to new, more challenging environments and evolve into two distinct types of single - celled organism, bacteria and archaea, creating the deepest branch of the tree of life.

Researchers at Oregon State University and Oregon Health & Science University have created new nanomaterials able to cross cell membranes, establishing a novel platform for the intracellular delivery of molecular drugs and other cargo.

The new research finds that the stiffness of the extracellular matrix and the availability of certain ligands (molecules that bind to cell membranes) can together determine which genes are actually called on — and whether normal epithelial cells begin to exhibit the behaviors characteristic of highly malignant cancer cells.

To that end, Ravaux designed a new microfluidics device that allows him to precisely control the membrane location where a sperm cell fuses with an egg.

Scientists have developed new fluorescent probes that prove the existence of cell membrane structures called «lipid rafts», allowing researchers to study how toxins and viruses invade cells.

The vibrant videos produced with the new technology show the movement and interactions of proteins as cells remodel their structural supports or reorganize their membranes to take up molecules from outside the cell.

The cut is fine with fuel cell component - maker BASF, which opened a new facility to manufacture membranes for high - temperature fuel cells in Somerset, N.J. this Wednesday — the 72nd anniversary of the Hindenburg disaster.

But a hybrid protein that spans the red blood cell membrane can thwart an attack, a new study found.

«New ultra-thin diamond membrane is a radiobiologist's best friend: Researchers developed a diamond - based detector that can control the dose of radiation given to live cells down to a single particle.»

However, this new discovery makes it possible to safely mass - produce graphene and graphene membranes to improve a host of products, from fuel cells to solar cells to supercapacitors and sensors.

A team of biophysicists from the State University of New York (S.U.N.Y.) at Buffalo used magnetic nanoparticles to control heat - activated protein gates called ion channels embedded in the membranes of nerve cells, allowing the researchers to stimulate a simple reflex in nematode worms at will.

When the new cell is infected, however, the membrane becomes leaky for several hours before the schizonts burst out again, giving larger molecules like an antibody or vaccine a chance to get in.

According to new research, both processes rely on a single protein that enables the seamless fusion of two cells, such as a sperm cell and egg cell, or the fusion of a virus with a cell membrane.

«Synthetic cell membranes that can grow like real membranes will be an important new tool for synthetic biology and origin of life studies.»

Previous studies have shown that C. trachomatis leaves a cell either via lysis or in the membrane - bound inclusion, which is extruded intact from the cell and may serve to protect C. trachomatis on its way to infect new cells.

The new, warm fuel cell marries a solid electrolyte, such as those found in solid - oxide cells, with the hydrogen - ion conduction used in polymer - electrolyte membrane (PEM) fuel cells.

Römer and Eierhoff found evidence of the new mechanism in synthetic membranes as well as in cultures of human lung cells.

[Based on the relative concentrations of salts such as potassium and sodium in the cytoplasm of all biological cells and questions regarding the formation of their fatty - acid membranes, however, scientists have also theorized that life began in hot springs on land rather in the oceans (Mulkidjanian et al, 2012; and Colin Barras, New Scientist, March 10, 2012.)-RSB-

In cancer, however, this process can produce invasive and mobile cells that can pass through membranes and travel to distant sites, where they seed new tumors.

We recently reported that CD8 (+) T cells responding to innate - like IL - 12 + IL - 18 stimulation and co-expressing the transcription factor Eomesodermin (Eomes) and KIR / NKG2A membrane receptors with a memory / EMRA phenotype may represent a new, functionally distinct innate T cell subset in humans.

Nicola Bauer (Corbeil, TUD)-- «New insights into the plasma membrane dynamics of rare stem cells by studying the prominin molecule» (2007)

Researchers at Oregon State University and Oregon Health & Science University have created new nanomaterials able to cross cell membranes, establishing a novel platform for the intracellular delivery of molecular drugs and...

Future therapies will have to be based on strategies that act by reducing or increasing the number or activity of specific subtypes of pre - and postsynaptic receptors, transporters, and ion channels, or other membrane molecules at the synapse, and by strategies that exploit the new possibilities offered by stem cell technology and targeted repair.

For instance, one team of PNNL scientists created a new type of two - dimensional material to mimic a cell membrane.

Researchers at Jilin University in China have developed a new class of self - assembled crystalline porous organic salts (CPOSs) featuring high proton conductivity for applications such as proton - exchange membranes for fuel cells.