Sentences with phrase «nerve cell signals»

These results suggested that Lef1 could regulate anxiety through two different nerve cell signals.
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.
«So there must be more to memory than nerve cells signaling yes or no.
Its derivative, acetylcholine (ACh), also aids in the transmission of nerve cell signaling.

Not exact matches

With virtual anatomy, there's nothing in the body we can't see: a heart beating, nerves signaling in the brain, a cell dividing, an infection raging.
Vitamin B6 is a vital nutrient that helps with the production of several neurotransmitters; chemicals that carry signals from one nerve cell to another.
Puffing didn't induce varicosities along the lengths of dendrites, the parts of neurons that receive chemical signals from neighboring nerve cells.
Nerves are developing and are now surrounded by myelin that allows the nerve cells to exchange signals.
Further study revealed that these so - called immune proteins are actually present on the surface of certain nerve cells, but that they functioned differently in the brain than they did in the rest of the body; rather than scouting for germs, they influenced signals sent between neurons.
A nerve cell, which sends signals using serotonin, first releases serotonin into the space between the nerve cells.
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.
Among these was the protein VGLUT1, which is essential for signal transduction in specific nerve cells.
The nerve cells involved in this integration process and control of hormonal signals reside in an area of the insect brain known as the mid-Ventral Ganglion (mVG), which in turn communicates with a region of the central brain that is akin to the mammalian hypothalamus.
The scientists observed that transmission of chemical signals between the nerve cells are facilitated by AMPA - receptors and the activity occurs on the brain cell surface.
Today is the 86th birthday of Sir Bernard Katz, a German - born English physiologist who elucidated how nerve cells transmit signals.
The human body is a complex electrical network: Nerve cells shuttle signals from the brain, and pulses in the heart cause its muscle cells to expand and contract.
Pain signals reach the brain via the activation of sodium channels located in the membranes of nerve cells.
It may be necessary for a drug to inhibit some, but not all, of the enzyme, enough to prevent plaque formation but also preserve normal signaling between nerve cells, Yan says.
In nerve cells, opening ion channels is a crucial step in generating action potentials — the signals by which the cells communicate in the brain.
In research that has implications for diabetes and other metabolic diseases, an international study based at UT Southwestern Medical Center found that the protein connexin 43 (Cx43) forms cell - to - cell communication channels on the surface of emerging beige fat cells that amplify the signals from those few nerve fibers.
The circuit Hasan's group has discovered consists of three types of nerve cells — one set senses and reports the lack of protein in food, a second set integrates this input with metabolic information and the third set controls the hormonal signals necessary to begin pupation.
The change is translated into an electrochemical signal that is picked up by nerve cells, which relay it to the brain.
WHITE - MATTER TRACTS Left: 27 - Year - old Neural highways made of nerve fibers and glial cells transmit signals efficiently.
Cajal also figured out that nerve cells are polar, meaning that signals enter the cell through the shrubbery of the dendrites at one end and leave through the other end at the whiplike axon.
When syntaxin is folded, though, the bubbles can't stick to it and the nerve cell can't pass on its signal.
Those signals are disrupted because myelin, the insulating sheath around a nerve cell's message - transmitting axons, becomes damaged.
At the same time, the techniques of genetics and molecular biology began to reveal the intricate biochemical signals that synapses — the portals of nerve cells — deploy during communication.
The signals leap from the axons across a synapse, or gap, to the dendrites of the next nerve cell in the neural net.
They collect outside the nerve cells in the brain and disrupt the signaling system between neurons, blocking them from relaying messages.
Some scientists see waves as inevitable but useless by - products of the signals that really matter — messages sent by individual nerve cells.
The team reported in Molecular and Cellular Proteomics that, compared with controls, PGD mice were more forgetful, heavier and had less myelin (a fatty coating on nerves that allows electrical signals to move quickly across nerve cells).
In a series of laboratory experiments, the researchers found that antibodies against HSV - 1 remain in the trigeminal ganglion (a group of nerve cells that receives signals from the eyes and face and is a key site of HSV infection) long after active virus infection is cleared, and that these maternal antibodies can travel to the fetal trigeminal ganglia.
But most of those signals aren't coming from the nerve cells, researchers reported November 15 at the Society for Neuroscience meeting.
This fatty material is an insulator covering and modulating a part of the nerve cell called the axon, which transmits electrical signals to other cells.
When immune cells attack myelin, nerve cells can't send their signals.
However, coaxing these cells to grow and form connections capable of relaying nerve signals has been elusive.
On one level, there's the dynamics of electrical currents that constitute the main signaling method of the brain's nerve cells.
But the increased mental muster did not come from neurons, the lanky nerve cells that swap electrical signals and stimulate muscles.
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.
Nerve cells exchange information with each other in the form of electrical signals via so - called synapses.
In the flightless Orai mutant flies, SOCE was inhibited in a set of cells called «dopaminergic interneurons» — nerve cells that used dopamine to relay signals.
Because these light - sensitive cells are in close contact with nerve bundles, they might be the ones responsible for detecting visual cues and sending the signal along the nerves, Sumner - Rooney says.
In mammals, proteins called ion channels embedded in the cell membrane translate temperature information into electrical signals that activate nerve cells.
The same signals that embryonic cells use to decide whether to become nerves, skin or bone come into play again when adult animals are learning whether to become afraid.
Riffell and his colleagues hope these nerve cell recording experiments will help them understand how insects integrate and interpret different signals from their environment and use this information to make decisions.
«We also found that reduced cohesin led to changes in the expression of genes involved in nerve cell development and the response to an immune signaling protein,» corresponding author Toshihide Yamashita says.
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.
Johns Hopkins researchers have developed a method to efficiently turn human stem cells into retinal ganglion cells, the type of nerve cells located within the retina that transmit visual signals from the eye to the brain.
Levels of dopamine — a neurotransmitter involved in signalling between nerve cells and which is implicated in drug addiction — showed differences in the more impulsive gamblers.
This method makes it possible to chronologically pinpoint which signals nerve cells use to respond to a pain stimulus.
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