Sentences with phrase «signalling chemicals in»

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.
Love is an emotion, a mix of hormones, chemicals, and electrical signals in the brain and body.
However, I do not believe that it could not possibly survive the death of the body because it is embodied in the unique patterns of electrical and chemical signals in the brain.
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).
Prostaglandins are little chemical messengers (I think of them like text messages) that signal an anti-inflammatory response in the body.
TPA is a toxic chemical described as «a potent tumor promoter in mouse skin» by the Boston - based firm Cell Signaling Technology.
Protein is hugely important for our body - it aids in muscle repair, speeds up chemical reactions and plays a role in cell signalling.
The milk left in engorged breasts releases chemical signals that tell the body to reduce milk production.
When you or your child comes in contact with egg proteins, immune system cells (antibodies) recognize them and signal the immune system to release histamine and other chemicals that cause allergic signs and symptoms.
Blood samples from infants who died of Sudden Infant Death Syndrome (SIDS) had high levels of serotonin, a chemical that carries signals along and between nerves, according to a study funded in part by the National Institutes of Health.
Both methods resulted in the creation of novel functional elements that respond to a combination of one chemical and one physical signal, in this instance temperature.
Mitochondria, specialized organelles found in nearly every cell of the body, use cellular respiration to generate one of the most important sources of chemical energy — adenosine triphosphate (ATP), a versatile nucleotide that powers everything from cell division to cell signaling to transportation of large molecules across the cell membrane.
Now, in a study published February 13 in Science Signaling, Lin's team discovered that a chemical compound that activates ATF6 also converts patient - derived stem cells into blood vessels.
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.
When the team applied the technique to a sample of the organic molecule PTCDA, not only did the molecules show up in intricate detail, an electrical signal was also detected between them (coloured green below), at exactly the locations where hydrogen bonds are present (Journal of the American Chemical Society, DOI: 10.1021 / ja104332t).
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 death.
Experiments in the lab and in the field showed that termites eavesdrop on the micro-vibrations made when ants move around, rather than on chemical signals.
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.
Bees communicate in large part through chemical pheromones, with different odors signaling everything from alarm to an individual bee's status.
The new study, published online this month in the journal Environmental Science and Technology, is the first to examine how biochar affects the chemical signaling that's routinely used by soil microorganisms that interact with plants.
In principle, Soloveichik says, the same formula can be used to produce more complex behavior, such as changing the clock's speed in response to chemical signalIn principle, Soloveichik says, the same formula can be used to produce more complex behavior, such as changing the clock's speed in response to chemical signalin response to chemical signals.
The group is now pursuing studies that couple the mechanical forces of a blast, or pressure wave, to the activation of chemical - signaling pathways in neural cells.
In the first study of its kind, Rice University scientists have used synthetic biology to study how a popular soil amendment called «biochar» can interfere with the chemical signals that some microbes use to communicate.
Recent research has shown that the cascade of signals in the proinflammatory immune response tend to cause the amino acid tryptophan to break down into kynurenic acid rather than serotonin, a brain chemical that influences mood.
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.
Jennifer Barone wrote about how plants detect and respond to changes in the world around them and even communicate with their neighbors through chemical signals.
By analyzing chemical changes of the IRS - 2 protein in immortalized cultures of human white blood cells, it determined that IRS - 2 appeared in two different forms — «on,» which allows the signal to pass through, and «off,» which stops the signal from activating the cells into M2 macrophages.
However, in people with asthma, the M2 cells and the chemical signals they emit linger and call in other cells that cause inflammation that can trigger an asthma attack with the classic symptoms of difficulty breathing, wheezing and shortness of breath.
A study published in the journal PLOS ONE reports that the synthetic molecule JK - 31 blocks the signalling of a «growth factor» chemical that promotes the creation of networks of blood vessels to feed tumors.
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.
In the hippocampus and the amygdala, areas of the brain thought to be associated with episodic memory, researchers had shown that the chemical signaling agent called glutamate acts like a key in the lock of some of these protein «flood gates.&raquIn the hippocampus and the amygdala, areas of the brain thought to be associated with episodic memory, researchers had shown that the chemical signaling agent called glutamate acts like a key in the lock of some of these protein «flood gates.&raquin the lock of some of these protein «flood gates.»
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.
That signaled that the water and minerals in the surrounding sandstone had reached a chemical equilibrium with the injected seawater far more quickly than anticipated — in two years rather than a century.
Multiple sclerosis (MS) is caused by immune cells that activate a cascade of chemicals in the brain, attacking and degrading the insulation that keeps neuronal signals moving.
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.
At a critical threshold of the incoming light's intensity, the signal is exponentially amplified, and the laser light imprinted with the chemical's signature emerges from the sample in all directions.
To understand the role of hydrogen peroxide in signaling and oxidation, however, the researchers wanted to know the time - resolved location of the chemical.
About ten years ago, research results showed that things are not quite as simple as that: «Under most conditions, H2O2 is not an undesired side product but rather an essential chemical messenger that plays an important role in regulating the way in which body cells respond to signals from outside such as hormones and growth factors,» says Dr. Tobias Dick of the German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ).
Preti is hot on the scent of the human armpit because he believes that secretions from the so - called axillary region harbor pheromones, airborne chemical signals that influence mating, dominance, familyties, and maturation in other species of the animal kingdom.
They found that a handshake alone was sufficient for the transfer of several odors known to serve as meaningful chemical signals in mammals.
Nerve cells in the brain, or neurons, are known to communicate among themselves by transmitting electrical signals, aided by chemical signaling at the synapses connecting the neurons.
According to new findings, presented yesterday at a meeting of the Ecological Society of America, chemical signals contained in a fish's bony tissues can document its travels.
Frangioni's team also reported that they've created another set of hydroxyapetite - spotting compounds that not only gives off an infrared signal but also harbors a gadolinium - based chemical group that gives off a strong signal in MRI machines.
They depleted their reserves of these chemicals rapidly each time a new auditory signal came in, and they decreased the amount of space within the cells that housed sac - like structures called vesicles — biological storage tanks where neurotransmitter chemicals are kept.
What was especially «exciting» about this finding, he says, is that these variations were near a neural highway that previous studies have shown helps regulate life span in worms and flies, and that stopping chemical signals from this brain pathway extends the life span of mice.
In soil, in the spaces between our teeth, along the stinky edges of hot springs, bacteria are using chemical signals to network with relatives, negotiate with allies and deter enemies — and why shouldn't theIn soil, in the spaces between our teeth, along the stinky edges of hot springs, bacteria are using chemical signals to network with relatives, negotiate with allies and deter enemies — and why shouldn't thein the spaces between our teeth, along the stinky edges of hot springs, bacteria are using chemical signals to network with relatives, negotiate with allies and deter enemies — and why shouldn't they?
«No matter the species, we all have similar signaling systems in our bodies, similar chemical reactions.
On further investigation, they discovered that, in fact, the conjoined amoebas actually send out a chemical distress signal, to which the midwives respond.
While teams used a variety of engineering strategies to enhance their cells» chemotactic ability, the most successful cells were an adapted version of Dicty with increased activity of a particular protein, Ric8, that enhanced G - protein signaling, helping chemotaxis in shallow chemical gradients.
Researchers at Bonn University, together with collaborators from the Sainsbury Laboratory in Norwich, identified a protein that allows plants to recognize a chemical signal from the worm and initiate immune responses against the invaders.
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