Sentences with phrase «cell connections as»

Not exact matches

That's because the brain is involved, and — as an astoundingly complex network of 100 billion cells and their 100 trillion connections — the organ does not easily loose its secrets.
As recently as a few years back, researchers suggested there was a connection between brain cancer and cell - phone usagAs recently as a few years back, researchers suggested there was a connection between brain cancer and cell - phone usagas a few years back, researchers suggested there was a connection between brain cancer and cell - phone usage.
There was no cable connection in Samsonville, and no cell service there as well.
The research, published and featured in the Spot Light section of the December edition of the Journal of Virology, examines a previously unknown connection between flaviviruses — a classification of viruses that include West Nile virus, Dengue virus and tick - borne encephalitis virus — and organelles (a specialized subunit within a cell) known as peroxisomes that help coordinate the body's immune responses.
The physical connection between mother and fetus is provided by the placenta, an organ, built of cells from both the mother and fetus, which serves as a conduit for the exchange of nutrients, gasses, and wastes.
As long as the drone has a cell signal, a Wi - Fi connection, and juice in the batteries, it could stay on missioAs long as the drone has a cell signal, a Wi - Fi connection, and juice in the batteries, it could stay on missioas the drone has a cell signal, a Wi - Fi connection, and juice in the batteries, it could stay on mission.
There was another intriguing connection: Acinetobacter are molecular mimics of proteins found in myelin, the nerve cell coating that the immune system attacks in MS.. That suggests the bacteria might trigger immune attacks that hit myelin, too, as when soldiers who inadvertently resemble the enemy get hit by friendly fire.
In a developing fetus, she surmised, those phone calls would reach groups of nerve cells in the LGN; as their synaptic connections with the retinal neurons strengthened, the LGN neurons would begin forming «area codes» of their own.
Using fluorescent antibodies designed specifically to light up the receptor in mice, the investigators observed it on vagus nerves, which serve as a main biochemical connection between airway cells and the brain.
The same information can be represented as lines on paper, as electrical charges inside a PC's memory banks or as the strength of the synaptic connections among nerve cells.
GLP - 1 receptors are also found in the brain, and prior research has shown that activating them can boost the function of dopamine connections, act as an anti-inflammatory, improve energy production, and switch on cell survival signals.
Potentially explaining why even healthy brains don't function well with age, Salk researchers have discovered that genes that are switched on early in brain development to sever connections between neurons as the brain fine - tunes, are again activated in aging neuronal support cells called astrocytes.
Scientists describe these infectious connections as virological «synapses» because they resemble the way that cells of the nervous system or the immune system communicate through intimate cell - to - cell connections.
The results show that the transplanted stem cells act as a «bridge» which allows injured sensory nerve fibers to grow into the spinal cord, rebuild functional nerve connections, and thereby achieve long term restoration of major parts of the lost sensory functions.
The new connections can allow these cells to operate at solar concentrations of 70,000 suns» worth of energy without losing much voltage as «wasted energy» or heat.
And researchers must figure out how to build in some core features: the necessary blood vessels, immune - system cells called microglia and connections from other brain regions, such as the thalamus and cerebellum.
The noisy channel framework predicts that as speech becomes more difficult to hear — like on a poor cell phone connection — we should rely more on our expectations.
At a symposium at The American Society of Human Genetics here last month, they reported zooming in on the genes expressed in a single brain cell, as well as panning out to understand how genes foster connections among far - flung brain regions.
A renowned neuroscientist sees ideas of selection as describing the honing of connections among brain cells.
Moser demonstrated a number of changes in the strength of connections between nerve cells — a phenomenon called synaptic plasticity — in the hippocampus as rats stored information in their long - term memory.
She hopes to pinpoint which genes are expressed in each cell type when brain cells make long distance connections, and to make similar maps in other primates to chart what changed as brains rewired over the course of evolution.
For a damaged nerve to regain function, its long, signal - transmitting extensions known as axons need to grow and establish new connections to other cells.
If he drives CaMKII above the normal limit while the animal is actively remembering an experience, the memory simply vaporizes, as the connections between the cells suddenly weaken.
In fact, TBK1 may also be a contributor to debilitating diseases such as ALS (Lou Gehrig's disease) and childhood herpes simplex virus encephalitis, if its connection with ICOS somehow triggers B cell activation and specific antibody production against the body's own cells in ALS or an excessive response to the invading viruses in childhood encephalitis.
Researchers from Hiroki Taniguchi's lab at the Max Planck Florida Institute for Neuroscience (MPFI) published a study in eNeuro in May 2017 showing for the first time that a unique type of inhibitory interneuron called chandelier cells — which are implicated in several diseases affecting the brain such as schizophrenia and epilepsy — seem to develop their connections differently than other types of neurons.
As children, our brains produce too many connections between cells.
As recently as this past May 17, Time magazine reported that despite numerous studies finding no connection between cell phones and cancer, «a growing band of scientists are skeptical, suggesting that the evidence that does exist is enough to raise a warning for consumers — before mass harm is done.&raquAs recently as this past May 17, Time magazine reported that despite numerous studies finding no connection between cell phones and cancer, «a growing band of scientists are skeptical, suggesting that the evidence that does exist is enough to raise a warning for consumers — before mass harm is done.&raquas this past May 17, Time magazine reported that despite numerous studies finding no connection between cell phones and cancer, «a growing band of scientists are skeptical, suggesting that the evidence that does exist is enough to raise a warning for consumers — before mass harm is done.»
First the oocyte constructs the scaffolding of connections known as microtubules, which allow molecules to move around inside the cell.
«Just as the connection between two cell phones can become clouded with static and must be filtered, we have implemented a technique that cleans up the «static» in entangled systems.»
«The bone lining cells also make sense as gatekeepers or mediators for the effect of the bound hormone because of their position on the bone and their connection to the other bone cells,» says Erben.
Though much is known about the cellular and molecular components of the clock, the connections that link clock cells to overt behaviors, such as rest / activity behavior, have not been identified.
The UMass Amherst teams knew from previous studies that Geobacter grow electrically conductive filaments known as microbial nanowires, which can transport electrons outside the cell to make electrical connections with minerals, electrodes or other cells.
The Purkinje cells, a class of neurons located in this region, are a major site of information integration that regulate changes in neural connections caused by varying factors such as behavior, environment, and emotions.
He and his collaborators were able to show, for example, that during swimming, motor signals move down the body through muscle cells themselves as well as through nerve connections, by selectively blocking sections of its musculature and nervous system.
Further tests — such as injecting the cells into mouse or chick embryos to see if they establish proper connections — will be needed to see if they are full - fledged neurons.
«We also noticed an accumulation of debris of interneurons — the cells that serve as a connection between sensory and motor pathways for reflexes — in the hippocampus, which is responsible for memory storage.»
The researchers believe their findings offer evidence that memory storage does not rely on the strengthening of connections, or «synapses,» between memory cells, as has long been thought.
Disruptions to these nerve cell connections are also believed to cause neurodegenerative diseases such as Alzheimer's and Huntington disease.
«I found this to be a shocking idea; that you could take, in that case, fetal cells and inject them into an organ as complicated as the brain and expect them to make connections,» he said.
Both microRNA families have the connection to drug resistance as well as to cancer stem cells, sub-population of cancer cells that have self - renewal properties and the ability to give rise to new tumors that are more resistant to current therapy.
When the researchers modeled the effects in mice, they found it strengthened the connections between neurons that make learning possible — what is known as synaptic plasticity — by increasing the action of a cell receptor critical to forming memories.
Overton studied the elaborate structures on the surfaces of cells in order to understand how single cells established and maintained connections with their partners as they matured to form different types of tissues in the developing embryo.
This result, which shows the extent to which the integration between nerve cells and these synthetic structures is stable and efficient, highlights the great potentialities of carbon nanotubes as innovative materials capable of facilitating neuronal regeneration or in order to create a kind of artificial bridge between groups of neurons whose connection has been interrupted.
The prize committee noted his radial unit hypothesis, which stated that in the developing cerebral cortex the cells are created at the base of each column, each new cell migrates past its predecessors, and the related «protomap» hypothesis on external signals determining cell function as it grows and forms complex connections.
CD4 + T cells transfer HIV through connections called virological synapses that require interactions between several cell membrane proteins, such as ICAM - 1 and LFA - 1.
The three scientists assembled small aggregates of nerve cells, known informally as «mini-brains,» and used them to study how specific groups of neurons in the brain find each other and establish connections.
The human brain contains as many as 100 billion neurons, most of which make hundreds to thousands of synaptic connections with specific target cells.
One of the precursors to Alzheimer's disease, which attacks the brain's nerve cells, is a loss of smell, so understanding this connection to olfactory nerve cells could perhaps serve as a diagnostic tool and perhaps unlock a deeper understanding of the degenerative disorder.
And within the brain the synapse maps are constantly being revised and rearranged as the cells make new connections and break others.
Describing the brain as a big circuit board in which each new experience creates a new circuit, Hopkins neuroscience professor Richard Huganir, Ph.D. says that he and his team found that during emotional peaks, the hormone norepinephrine dramatically sensitizes synapses - the site where nerve cells make an electro - chemical connection - to enhance the sculpting of a memory into the big board.
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