When the CD4 on the CAR molecule binds to HIV, other regions of the CAR
molecule signal the cell to become activated and kill the HIV infected cell.
Not exact matches
CRAC channels control the entry of calcium into immune and other
cell types, and calcium is an important intracellular
signaling molecule that modulates cytokine production and the immune response.
When dosed with the drugs, these neurons, which produce the
signaling molecule dopamine, let positively charged ions leave the
cell, thereby damping the
cells» hyperactive firing.
In the direct reprogramming, the researchers exposed the adult skin
cells to a specific mix of
signaling molecules the scientists» past research had found would convert healthy skin
cells directly into a type of brain
cell called medium spiny neurons, without intermediate steps along the way.
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.
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.
Receptors are «molecular switches» — when a specific
molecule binds to them, they change shape and send a
signal to the
cell to perform a certain function.
He and his colleagues discovered many of the key
molecules and
signaling systems that guide nerve
cells to make connections during development of the nervous system.
Levels of a nerve
cell signaling molecule called substance P — measured in tear samples — might be a useful marker of diabetes - related nerve damage (neuropathy), suggests a study in the July issue of Optometry and Vision Science, the official journal of the American Academy of Optometry.
Researchers filled in other details about the selective role of LKB1 in regulatory T
cells, including that the
molecule unexpectedly works through the Wnt
signaling pathway to adjust regulatory T
cell function.
«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.
The research team also discovered that if the pancreas is inflamed, fluid from the pancreas contains
signaling molecules that induce acinar
cells to transform into duct - like
cells.
Her team discovered that stem
cells take up calcium phosphate to produce ATP, a metabolic
molecule, which then breaks down into adenosine and
signals the stem
cells to become osteoblasts.
The receptor then triggers the release inside the
cell of a second
signal: a
molecule called cyclic AMP (cAMP).
The research team demonstrated that even when produced directly in
cells, this
molecule still prevents the HIF - 1
signalling and the associated adaptation to hypoxia in these
cells.
Several target
molecules have also been identified in intracellular
signalling pathways and in
cell survival proteins.
In the melanoma
cell to its right, red indicates activity of a
signaling molecule called PI3 - kinase.
Researchers still don't know how this range corresponds to their versatile functions, but being more like a string than like a lump with keyholes means that a protein can make many contacts with other
molecules to regulate the network of
signals that drives the
cell.
In mice with pancreatic tumors, Kalbasi and other members of the team found relatively high levels of inflammatory compounds including CCL2, the
signaling molecule that activates CCR2 on monocytes and macrophages to make these
cells migrate to tumors.
Latest research from the National Centre for Biological Sciences (NCBS, Bangalore), now shows that maintaining Calcium balance in
cells is also needed for another purpose — it may be regulating the levels of an important
signalling molecule called dopamine in the brain.
The researchers found in a study in colon cancer
cells that AIM2 limits the activation of the
signaling molecule Akt.
When the environment is favorable, neurons alert egg
cells to ramp up production of
signaling molecules called prostaglandins.
Other researchers have shown that the ability of microglia to engulf dead neurons depends on adenosine triphosphate (ATP), a ubiquitous energy source and
signalling molecule that is released from damaged
cells.
Once the
cells were well on their way to becoming muscle, Bursac and Rao stopped providing the Pax7
signaling molecule and started giving the
cells the support and nourishment they needed to fully mature.
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.
Saitou's efforts to find out precisely what is needed to make germ
cells, to get rid of superfluous
signals and to note the exact timing of various
molecules at work, impressed his colleagues.
Now, though, it is becoming clear that antibodies,
signalling molecules and even immune
cells often get through, sometimes with radical effects.
The dynamics of the loops are important for the binding of
signalling molecules inside and outside of the
cell.
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 ru
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 ru
cell to a set of
signaling rules.
The pluripotent stem
cells are then grown while being flooded with a
molecule called Pax7 — which
signals the
cells to start becoming muscle.
Some scientists are trying to inject
signaling molecules into the eye to stimulate light - collecting photoreceptor
cells to regrow.
Atoh1, also known as Math1, makes a
signalling molecule known to orchestrate the development of hair
cells in embryos.
Ironically, TRAIL normally delivers a
signal for
cells to die, but the Trinity scientists found that this
molecule can also send a wound - healing message from tumour
cells.
One of the four new reported loci is expected to lower the protein expression of UBASH3A, a
molecule that regulates T -
cell signaling and correlates with lowering the risk of primary sclerosing cholangitis.
Mice without Del - 1 that had been induced to get EAE also had significantly higher numbers of inflammatory
cells in their spinal cords at the disease's peak, a fact that further experiments revealed was due to increased levels of the
signaling molecule IL - 17.
It is comprised of lipid
signaling molecules called endocannabinoids — which can be thought of as the body's own «natural cannabis» — that bind to cannabinoid receptors located on
cells throughout the body.
The ability to track markers inside and outside a
cell simultaneously, and to map them atop images showing the
cell's shape, is also helping researchers study the metabolic effects of
signaling molecules, such as G - protein - coupled receptors.
Then there's the West Palm Beach symposium, held to recruit participants for a study testing what happens when aging people get infusions of plasma (the fluid part of blood packed with
signaling proteins and other
molecules but no red or white
cells) from young people who've taken a drug meant to activate their immune system.
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.
The rapidly proliferating
cells, they found, also sported a specific
cell -
signaling molecule.
Breast cancer
cells were bathed in a nutrient - rich liquid, and, as the cancer
cells grew, the investigators detected secretions of a
signaling molecule called interleukin - 6 (IL6) in the liquid.
The authors note that more work must be done, however, because only one of these species engaged in a full cycle of listening and speaking in which the artificial
cells sensed the
molecules coming from the bacteria, and the bacteria could perceive the chemical
signal sent in return.
One study showed that ovarian tumors produce a
signaling molecule that serves to attract regulatory T
cells, a subclass of adaptive immune
cells responsible for quieting other T
cells.
By interaction with externally docking ligand
molecules, external
signals are transmitted into the
cell.
Its analgesic effect stems from the compound's ability to inhibit the production of cytokines and chemokines, which are small
signaling molecules that attract inflammatory macrophages to the nerve
cells.
When a THC
molecule binds to one of these CB1 receptors, it changes form, triggering a cascade of various
signals inside the
cell.
Bacterial
cells communicate with one another by using chemical
signal molecules, which they synthesize and secrete into their surroundings.
The study focused on the serotonin transporter, a
molecule that regulates the amount of serotonin
signaling between brain
cells and is a major target for treatment of depression and mood disorders.
In a study being published in the journal Neuron, researchers show that the
signal molecule TGF - beta acts as a time
signal that regulates the nerve stem
cells» potential at different stages of the brain's development — knowledge that may be significant for future pharmaceutical development.