Sentences with phrase «other cell surface»

Not exact matches

Advances include development of routes and surfaces that are more wheelchair and walker friendly; signage that includes Braille text and other tactile information to describe specific points of ecological interest; and trail «tours» that can be experienced through cell phones and other smart devices.

By measuring how the light has changed once it emerges through the other side of the slide, the researchers can detect and monitor processes occurring on the sensor surface, such as cell division.

The immune system depends on molecules called T cell receptors on the surface of T cells to recognize and respond to foreign antigens from virus - infected cells, tumors and other threats.

Investigators linked the ability of regulatory T cells to dampen the Th2 response in part to the ability of LKB1 to restrain expression of the cell surface receptor PD - 1 and possibly other receptors.

One key gene encodes the making of a receptor called TREM2, a docking site for molecules on the surface of microglia and other innate immune cells.

Previous studies have found that brown fat can be coaxed into action by activating the β3 - adrenergic receptor, which is expressed on the surfaces of brown and white fat cells, as well as on cells of the urinary bladder and other tissues.

In research that has implications for diabetes and other metabolic diseases, an international study based at UT Southwestern Medical Center found that the protein connexin 43 (Cx43) forms cell - to - cell communication channels on the surface of emerging beige fat cells that amplify the signals from those few nerve fibers.

King hypothesizes that proteins that the single - celled ancestors of animals used to interact with the extracellular environment — to capture bacterial prey by binding to their cell surface and to detect chemical signals — were later repurposed to enable cells to stick to and talk to each other.

Other researchers have already loaded hollow origami structures with drugs to target specific types of cancer cells, created DNA «robots» that walk across surfaces, and mimicked the shape of viruses.

Histamine can also affect other receptors of the cell surface than the H1 receptor,» Professor Harvima explains.

Although some cancers — particularly those that are rife with mutations like lung cancer or melanoma — create more tangible targets on the surface of cells for the immune system to recognize and attack, other malignancies such as prostate and pancreatic cancers have proved more intransigent.

These proteins latch onto their receptor on the surfaces of neighboring cells and kick - start the production of hundreds of other antiviral proteins.

Some of the animals received normal T cells back, and others got cells deficient in a surface molecule that activates regulatory T cells.

In other patients, mutant CFTR proteins that do transit to the cell surface don't function properly.

Still, a few stem cell therapies have now been approved, such as a treatment available in India that takes stem cells from the patient's eye in order to regrow the surface of their cornea, and a US product based on other people's bone stem cells.

The increased surface area of the rippling «leaf» creates three times as many catalytic contact points as other molybdenum disulfide structures, and the new creation can handle higher temperatures than platinum without sintering and gumming up the cell.

Some would simply crank their telomerase activity up even further; some would enhance the activity of drug - metabolizing enzymes that degrade the inhibitor; still others would change their cell surface proteins in ways that would make it harder for the drug to penetrate into the cell.

The method, which detects DNA from skin cells, hair, and other cells released into the environment, has already been used to track surface organisms like invasive fish and snakes.

The engineered protein has two ends: one activates T cells by binding to a surface molecule called the CD3 receptor, and the other — based on an antibody called VRC07 — powerfully binds to more than 90 percent of HIV strains.

AFM didn't catch the details of microvilli and other structures on the cell surface.

Other teams are trying to find ways of targeting the progenitor cells that give rise to the surface cells.

The other kind is peritubular — that is, located on the surface of the seminiferous tubules that house sperm cell precursors.

Nearly doubling the efficiency of a breakthrough photovoltaic cell they created last year, UCLA researchers have developed a two - layer, see - through solar film that could be placed on windows, sunroofs, smartphone displays and other surfaces to harvest energy from the sun.

Nevertheless, as Tobias says, it is still ``... a field beset with relatively few facts but many theories... The story of early hominid brains has to be read from carefully dated, well identified, fossilised calvariae, or from endocranial casts formed within them... Such materials confine the Hercule Poirot, who would read «the little grey cells» of fossil hominids, to statements about the size, shape and surface impressions... of ancient brains...» The other major limiting factor at the moment is the lack of suitable fossil skulls for such studies.

The cells, which can be processed to be transparent or in shades ranging from light green to brown, could be used to make building windows, smartphone screens, car sunroofs and other surfaces into sources of sustainable energy.

«The NILR1 is the genetic code for a receptor protein that is localized to the surface of plant cells and is able to bind and recognize other molecules,» says Prof. Florian Grundler, chair at the Department of Molecular Phytomedicine at the University of Bonn.

Most resistance genes, in wheat and other plants, code for protein receptors located inside cells; the Stb6 gene codes for a receptor protein on the cell's surface.

In earlier work, these investigators showed — as numerous others had done — that the messenger molecule, cyclic - di - GMP (c - di - GMP) promotes biofilm formation when such surfaces are present, said principal investigator Vincent T. Lee, Associate Professor, Department of Cell Biology and Molecular Genetics, University of Maryland, College Park.

Solar cells, 62,120 of them, distributed over the surface of the wing, soak up the sun's rays, providing up to 32 kilowatts of direct - current electricity to power electric motors, computers, and other systems on the aircraft.

NASA researchers triggered international headlines in 1996 when they discovered, among other possible indicators of life, traces of polycyclic aromatic hydrocarbons (multiringed carbon molecules found in living cells) along surface fractures in ALH84001.

The other study published in the American Chemical Society's Applied Materials & Interfaces reported a method for fabricating titanium implants with special surface topographies which double the chance of cell viability in early stages.

Like many other fungi, Baker's yeast has mating receptors, proteins on its cell surface that detect pheromones released by potential partners.

It targets the CD52 glycoproteins on the surface of mature immune cells, or lymphocytes, depleting levels of the aggressive T and B cells without affecting other lymphocytes.

Electron microscopy of the inner and outer surfaces of bacterial cells gives some clues, and crystallography — a process that involves stacking purified proteins into crystals so that their three - dimensional characteristics can be measured — provides others.

These molecules function by shuttling broken - down proteins called peptides from inside the cell to the surface, where other immune cells inspect them to see whether they are invaders.

Traditional methods for sorting cells rely on fluorescent molecular tags, designed to stick to the surface proteins present on certain types of cells but not on others.

Traditionally, cell culture in the lab has been done in petri dishes and on other flat surfaces.

«Only a subset produces IL - 17A upon skin injury, although the surface markers on these cells seem identical to those of other DETCs,» MacLeod said.

If you imagine the female egg cell (and later, the fertilized egg) as a spherical planet with its own intrinsic biological geography, then certain characteristics of that cell — the location of protein molecules or RNA messages or biochemical traits like pH or even the internal connective structures called microtubules — will be more prominent in certain regions, like one hemisphere as opposed to the other, or near the surface rather than near the core.

Most cells in our body bind other cells by means of integrins, molecules that act as bridges located at the cell surface.

IBM will be partnering with Tokyo Ohka Kogyo Co., Ltd. — a manufacturer of computer chips, LCD televisions and other devices that require surfaces treated with chemicals to develop the cells; he hopes to bring them to market by 2011.

Blocking a protein found on the surface of ovarian cancer cells could prevent or reduce the spread of the disease to other organs, according to new research at the University of Illinois at Chicago.

On the other hand, if the surface's tethers are weak, the cells will rupture all their tethers and not adhere to the surface at all, leaving uniformly dark footprints.

For example, Dr. Shiloh said, preventing Mtb from attaching to receptors on the M - cell surface — such as by vaccinating against a bacterial protein — could block the bacteria's entry, infection, and spread to other organs.

«First, the surface of cancer cells has an affinity for platelets — they stick to each other.

The other end, known as the constant region, binds to receptors on the surface of cells that can direct the immune system to respond in a variety of ways, all in the hopes of eliminating the target on the variable end of the antibody.

«The tilted - angle standing surface acoustic waves method has the least disturbance or disruption to the living cells being separated compared to other available methods so far,» said Ming Dao, principal research scientist, materials science and engineering, Massachusetts Institute of Technology.

Cancer cells settle to the bottom of the well, where they selectively bind to the antibodies based on their surface markers (unlike other devices, the chip can also trap tiny structures called exosomes produced by cancers cells).

Some of the candidate drugs were definitely boosting the mutant CFTR to the cell surface while others seemed like they could open the door.

Additional experiments, including gene knockdown, surfaced prohibitin as a likely infection aide; prohibitin is a multi-functional protein found in human cells and in many other organisms.