Signaling by molecules called prostaglandins plays a key role in the body's response to inflammation.
Not exact matches
The researchers interpret this to mean that it is being spread
by larger
molecules, most likely special
signaling proteins, that diffuse more slowly than ions.
The researchers looked for 200 types of immune -
signaling molecules called cytokines and identified 64 that were different, usually more abundant, in the eyes affected
by NIV.
The protein expressed
by the gene is thought to bind to serotonin receptor
molecules and ferry them to the cell surface, positioning them to receive serotonin's
signals from neighboring cells.
Now, the «smart» bandage developed
by the team provides direct, noninvasive measurement of tissue oxygenation
by combining three simple, compact and inexpensive components: a bright sensor
molecule with a long phosphorescence lifetime and appropriate dynamic range; a bandage material compatible with the sensor
molecule that conforms to the skin's surface to form an airtight seal; and an imaging device capable of capturing the oxygen - dependent
signals from the bandage with high
signal - to - noise ratio.
When they react to external stimuli,
by binding
molecules, for example, a structural transformation takes place on the inside that triggers a
signalling cascade (see 2012 Nobel Prize in Chemistry).
A study in this issue of JCI Insight demonstrates that mice lacking the proinflammatory
signaling molecule TAK1 are protected from obesity and insulin resistance induced
by a high fat diet.
Gene expression is the process where information stored as DNA is converted (transcribed)
by enzymes into related
molecules called RNAs, and then into proteins that make up the body's structures and
signals.
Using small -
molecule inhibitors to eliminate the activity of the proteins produced
by the bird - specific, median
signaling zone in chicken embryos, the researchers were able to induce the ancestral molecular activity and the ancestral anatomy.
In bird eyes, suitable radicals are believed to be generated within cryptochrome, a light - absorbing protein that produces an as - yet - unidentified
signaling molecule in a quantity determined
by the field direction, resulting in an avian magnetic compass.
«That upheld our hypothesis, which was that biochar could interfere with cell
signaling, most likely
by binding with the fatty - acid
molecules that the speakers were using to broadcast their message.»
Loss of LKB1
by regulatory T cells was also associated with increased levels of
signaling molecules or cytokines associated with the Th2 immune response, Kai said.
Brassinosteroids and auxins are two growth promoting plant hormones and the study goes further in showing that their
signalling molecules were also stimulated
by biochar application.
The team concludes that these
signals are generated
by speeding electrons produced when cosmic rays collide with
molecules in the air (Physical Review Letters, DOI: 10.1103 / PhysRevLett.105.151101).
In what Grashorn calls a «serendipitous discovery», his team has worked out that these
signals are generated
by speeding electrons produced when cosmic rays collide with
molecules in the air.
If indole allows pathogenic bacteria to withstand antibiotics, it may be possible to thwart drug resistance
by blocking indole
signaling with small
molecules, Collins says.
This seems to be triggered
by the collective release of a
signalling molecule called interferon - beta, although what causes this is unclear.
«We found that AIM2 inhibits tumorigenesis in multiple animal models of colorectal cancer
by restricting the pro-survival
signaling molecule, Akt, which is commonly hyperactive in many human cancers.»
And it's essential to understand how neurobiological processing conducted
by molecules and cells and electrical
signaling gets translated into behaviors, from simple bodily movements to complex social interactions.
The
molecule appears to be a potent
signal broadcast
by an immune system under siege.
Cell biologists would like to reduce the complex communication patterns traced
by molecules that regulate the health of the cell to a set of
signaling rules.
In a study published in the journal Nature Medicine, the researchers reported that the tumor - suppressing protein AIM2, or Absent in Melanoma 2, helps prevent colon cancer
by restricting a
signaling molecule called Akt.
The ER / PR receptors also have no known direct connection to the
signaling molecules activated
by MC1R.
Frey and his colleagues made use of mathematical models to analyze the complex interplay between ecological factors and population dynamics, and were able to demonstrate that populations can indeed respond in a coordinated fashion to chemical information even when the
signal molecules are generated
by only a subset of the cells.
Cytokines can reach the brain several ways: directly through the blood - brain barrier or indirectly
by binding to nerve fibers elsewhere, which send
signals to the brain to produce the inflammation
molecules.
Whereas Mary Wang» ombe focuses on the receptor protein and its function, Badou Mendy concentrates on isolating the
signal molecule released
by the nematodes.
Estrogen
molecules caught
by the longer aptamer are likely held above the bilayer, and so do not create the electrical
signal.
«
By tweaking the dormant state of the
molecule, we can get myostatin to
signal without the need for cutting, basically picking the lock without a key.
By scanning through the sample, plane after plane, researchers can gather the fluorescence
signals emitted from
molecule - bound dyes over the entire depth.
Therefore,
by measuring the atoms» neutron scattering
signals, the team was able to discern the movement of tRNA in water, providing valuable insight into how the large
molecule relaxes in different environmental conditions.
By interaction with externally docking ligand
molecules, external
signals are transmitted into the cell.
It was originally investigated in 1995
by pharmacologist Franco Borsini and a team of researchers at Boehringer Ingelheim Italia in Milan as an antidepressant because of its ability to regulate neurotransmitters — the brain's chemical -
signaling molecules.
Bacterial cells communicate with one another
by using chemical
signal molecules, which they synthesize and secrete into their surroundings.
As target depth increases, the single - scattered
signal (red) becomes negligibly small, because it is more likely that the waves will get bounced around
by other biological
molecules in their path (blue).
Unbalanced
signaling by two
molecules that regulate breathing leads to sleep apnea in mice and rats, researchers report in the Jan. 23, 2017, Proceedings of the National Academy of Sciences.
Advances in understanding the cells and
molecules that transmit pain
signals are providing new targets for drugs that could relieve various kinds of pain — including those poorly controlled
by existing therapies
By using pharmacological small
molecule inhibitors as well as neutrophils from genetically modified mouse strains the team could identify essential receptor and
signaling pathways involved in the nicotine - mediated activation of neutrophils.
Gleevec incapacitates the enzyme
by docking into a pocket on the enzyme's surface that is usually reserved for a
signaling molecule known as ATP.
«Recent work
by other groups has shown that bile acids act as
signalling molecules in the host, almost like a hormonal network, with an ability to influence host metabolism.
Remarkably, giving animals injections of lithium salts — which mimics WNT
signaling by inhibiting the
molecule GSK3 — or giving animals a more specific GSK inhibitor, the researchers were able to restore normal synapse and spine numbers and also improve some of the most significant psychiatric - like behavioral abnormalities in these mice.
But in the mid-1980s, three U.S. investigators discovered that it is a
signal - transmitting
molecule naturally used
by the pulmonary, cardiac and other systems, a discovery that received the 1998 Nobel Prize.
I ache to see your action potential in action To be blinded
by the searing speed of your electric
signal As it sparks from node to node To behold the violent beauty of vesicles fusing with your presynaptic membrane — Pouring their contents into your synaptic cleft How I wish to be your postsynaptic cell So that I may be flooded
by your
molecules
Using radio telescopes in Spain, France, and Australia, a team headed
by researchers from the Max Planck Institute for Radio Astronomy in Bonn, Germany, scanned the LMH for
signals in the precise wavelengths that would reveal the presence of more complex
molecules.
They found these
molecules not with optical telescopes but
by tuning in with exquisitely sensitive antenna dishes that can receive the extremely faint radio
signals generated
by molecular clouds.
Jirtle says the nutrients probably help
by providing a ready supply of methyl
molecules, which act as stop
signals at key places in the genome.
A chemical interaction with target
molecules subtly alters the magnetic
signal from the xenon;
by detecting this change researchers can identify the
molecules in a complex mixture.
When a low - energy neutrino or antineutrino from a supernova collides with a water
molecule in the tank, the resulting light
signal is recorded
by about 100 of 13,000 photomultipliers, ultrasensitive light - detecting devices that turn a tiny flash of light into a larger recordable burst of electricity.
An Israeli - led team has found that some of the receptor
molecules carried
by our cells can cause them to self - destruct, even if they are not triggered to do so
by an external
signal.
The team at Barts Cancer Institute, part of Queen Mary University of London, have found that a
molecule, called focal adhesion kinase (FAK),
signals the body to repair itself after chemotherapy or radiotherapy, which kill cancer cells
by damaging DNA.
Now, an international group led
by Prof. Danny Porath of the Hebrew University of Jerusalem reports reproducible and quantitative measurements of electricity flow through long
molecules made of four DNA strands,
signaling a significant breakthrough towards the development of DNA - based electrical circuits.