Sentences with phrase «chemical signals for»

The unique chemical signals for each trace compound are then compiled into a database.

The second gene, TNFRSF6B, encodes a receptor related to those that bind tumor necrosis factor (TNF)-- a key chemical signal for triggering inflammation in IBD as well as in patients with other autoimmune disorders such as rheumatoid arthritis and psoriasis.

Not exact matches

It «will either be a one - time, one - off, fire - and - forget retaliation for a heinous chemical - weapons assault on civilians, or it will serve as a signal to the Assad regime and its allies that the free ride for mass murder in Syria is now over,» Hof said.

Using what's called dielectric properties — chemical changes that occur as a fruit ripens or rots, for example — the sensors emit an electromagnetic signal that can be monitored by a reader.

These layers may be visible, related to the nature of the ice; or they may be chemical, related to differential transport in different seasons; or they may be isotopic, reflecting the annual temperature signal (for example, snow from colder periods has less of the heavier isotopes of H and O).

Protein is hugely important for our body - it aids in muscle repair, speeds up chemical reactions and plays a role in cell signalling.

That initial swoon over a new baby is more than just love; it's a series of chemicals signaling the brain to care for this helpless infant, and ultimately can help explain the survival of our species.

One of the most prominent was Senate Majority Leader Mitch McConnell, who on Friday tweeted out his support for Trump's strike, writing, «This was a clear signal from America that Bashar al Assad can no longer use chemical weapons against his own people with impunity.»

It is the latest signal from a global company that we can make the UK the place for chemical businesses to invest.

However, if you don't see those [Earth - like] signals, you can't conclude that there isn't life, because the life may be completely different; it may proceed in some chemical pathway that we might mistake for nonbiotic processes, for geologic processes.

For some years now, a new class of drugs called antibody - drug conjugates (ADCs) have been used, which work in two ways: they consist of an antibody that binds selectively to the tumor cell receptor and interrupts the signal to propagate; they also act as a transport vehicle for a chemical substance that enters the cancer cells with the antibody and triggers their deaFor some years now, a new class of drugs called antibody - drug conjugates (ADCs) have been used, which work in two ways: they consist of an antibody that binds selectively to the tumor cell receptor and interrupts the signal to propagate; they also act as a transport vehicle for a chemical substance that enters the cancer cells with the antibody and triggers their deafor a chemical substance that enters the cancer cells with the antibody and triggers their death.

Perhaps the beetles excreted some kind of chemical signal that combined with the tree's tissues to form an irresistible scent for other beetles.

Based on their results and evidence from other studies on addiction and the hippocampus, the authors suggest an intriguing explanation for addiction: newborn neurons in the hippocampus inhibit the release of dopamine, one of the major chemical messengers that act as a reward signal.

These thin, tubelike structures transmit electrical and chemical signals that are vital for carrying information among different regions of the brain.

To discover this, Hui Liu, Gene Robinson, and Eric Jakobsson of the University of Illinois developed new computational tools to analyze patterns of gene conservation across a wide range of animals, for genes activated and inhibited in the honey bee brain by exposure to a chemical communication signal that triggers alarm.

As a result, cells could send chemical signals to each other without interference, setting the stage for complex organs to evolve.

But even if a habitable Earth - like world is found first from the ground, it will most likely take a space observatory to search for the chemical signals that tell us what we really want to know: Is anything living out there?

Parkinson's disease is caused by the death of neurons in the brain that produce dopamine, a chemical that shuttles signals between neurons and is responsible for controlling the body's movement.

Similarly, the signals trigger an increase in toxic chemicals such as nitric oxide, quinolonic acid, and kynurenic acid, which are bad for the functioning of nerve cells.

Male wasps normally seek out females by sniffing for their pheromones, signaling chemicals that they produce.

They found that a handshake alone was sufficient for the transfer of several odors known to serve as meaningful chemical signals in mammals.

But they think that by looking at some of the chemical basis of, you know, weight loss and / or weight gain, then by manipulating it — and they also look for the genes involved in these chemical signals — then they can possibly translate that into drugs for humans or just understanding better the mechanism of weight loss and weight gain.

One way the social wasps have found to increase the efficiency of their defence is through chemical signals, called alarm pheromones, which are used to rouse the colony to action and mark intruders for attack.

Among the issues to be resolved there would be, for example, how to identify the environmental factors that control the production of aggressive morphs; what costs and benefits interaction involves for each participant; the taxonomic status of the deceit and the variability level in the chemical signal used for misleading ants; or what happens with related aphid species which also relate with ants.

For the study, the Bohn worked closely with TSRI chemist Thomas Bannister, PhD, to develope new potential drug molecules; they then tweaked their chemical structures to systematically vary the «bias» between the two pathways — G protein signaling and beta - arrestin recruitment.

The bright coloration of different ladybird species acts as a warning signal, telling potential predators to beware of the foul smelling, poisonous chemicals they use for defence.

«Recently, the attention of scientists has been attracted to endocrine - disrupting chemicals (EDCs), compounds that are suspected of promoting the development of various metabolic disorders via their capacity to impact hormonal and metabolic signaling pathways,» said lead author Shane Regnier, a doctoral candidate at the University of Chicago's Committee for Molecular Metabolism & Nutrition.

He said previous research shows that memories make changes in the synapse, the thousands of regions in each neuron responsible for sending electrical and chemical signals to other neurons.

The researchers engineered a strain in which a Synechococcus gene normally turned on during photosynthesis signals its activity by switching on the gene for luciferase, an enzyme from another bacterium that drives a light - emitting chemical reaction.

While the PS is moving across the cell membrane and looking for a stronger chemical signal, only a few molecules of the breaking protein Cdc24 are present in the machinery.

Although not an antioxidant, the mineral partially blocks cells» docking sites for glutamate, the chemical signal that overexcites nerve cells when noise becomes excessive.

Dopamine, a molecule crucial for signaling between neurons, can not cross this barrier, which is why its chemical precursor, L - dopa, is used instead to treat Parkinson's disease.

In other organisms, there is instead a signaling mechanism: An embryonic cell receives chemical signals from neighboring cells that activate (or repress) the genes that allow for germ - line function.

Jarjour and his team studied a family of immune response genes called toll - like receptors (TLRs), which are responsible for sending out chemical «danger signals» when a bacteria or virus is detected.

The researchers looked in rats» brains for the genetic instructions needed to make a key «pleasure receptor,» called D2, that allows brain cells to receive signals sent by the brain chemical dopamine — or cocaine.

Looking forward, the researchers are now hoping to examine other Ediacaran sediments from around the globe to verify the rapid reversals» signal, along with hunting for biological or chemical evidence for high doses of UV radiation in the fossil record.

Dopamine is a brain signalling chemical that is vital for our control of movement.

Now researchers say that some can even call for help: When chewed by tobacco budworms, many crops will send out a chemical distress signal to attract wasps that prey on the budworms.

Scientists use it as a model organism for studying cellular signals, disease, and the movement of cells in response to a chemical stimulus (chemotaxis).

By looking for unique chemical signatures in light and radio signals gathered by telescopes, researchers have observed more than 140 molecules — including increasingly complex organic ones — surrounding stars or in interstellar space.

Alterations in the genetic coding for a nerve cell receptor, which detects a chemical signal that is key to behavioral change, could point the way to designing therapies most effective for patients suffering from schizophrenia, drug addiction and other mental illnesses.

By performing different biochemical assays, the researchers observed that PLK4 is capable of auto - regulating its levels by adding chemical groups of phosphate to itself, which will act as a signal for destruction.

When a chemical binds to the receptor, it generates a signal within the cell that alerts it to a nearby toxin, for example.

In that short window, they send chemical signals that instruct the mouse's own cells to repair the damage caused by MS.. This realization could be important for therapy development.

Unnatural chemicals might be a signal for a new food.»

We therefore wanted to know whether dodder can transmit insect feeding - induced signals among different hosts and whether these signals can even activate defenses against insects,» explains Jianqiang Wu, who worked at the Max Planck Institute for Chemical Ecology as a PhD student and later a project leader, and who is now heading a Max Planck Partner Group in China.

They serve as sensors for chemical signals and fulfill their tasks by changing their configurations to trap chemical compounds, Morcos said.

The model also activates markers for cells that have the classic excitatory and inhibitory functions in the brain, and that enable chemical signals to travel throughout the structure.

The mechanics of this sugar coating and its subsequent chemical signaling is likely dictated by basic factors like nutrient availability and metabolism — things with implications for diet and genetic makeup, for example, Paszek said.

If a previous virus invades again, the T cells can quickly kill infected cells and make chemical signals, called cytokines, to call in other immune cells for reinforcement.