Sentences with phrase «produced by the nerve»

It consisted in exposing human umbilical cord epithelial cells to the substances produced by the nerve cells of the previous experiment.

Not exact matches

The «tunnel» formed by the bones and ligament in the wrist can become compressed by the swelling and fluid retention common in pregnancy, squeezing a nerve that produces the painful sensations.
Attacking him with a sophisticated nerve agent that can only be produced by a major nation is an act of intimidation: we can find you and get you no matter where you go.
In normal animals, peripheral nerve injury produces a persistent, neuropathic pain state in which pain is exaggerated and can be produced by nonpainful stimuli.
What's more, it is unique because it is divided in two — each half is controlled by a separate nerve and muscle, so can produce sound independently.
Botulism is a rare but serious paralytic illness caused by a nerve toxin, botulin, that is produced by the bacterium Clostridium botulinum.
Produced by a technique called fiber tractography, the image helped doctors at Sherbrooke University Hospital Center in Quebec avoid cutting vital circuitry during brain surgery: The reddest nerve fibers were those most likely to be severed by incisions to remove the tumor.
The surgery targets trigger sites in the nerve branches that produce headaches, identified by preoperative evaluation.
They first showed that mice with severed sensory nerves produce excessive BH4, churned out both by the injured nerve cells themselves and by macrophages — immune cells that infiltrate damaged nerves and inflamed tissue.
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.
«However, the capillary constriction produced by pericytes may, by restricting the blood supply for a long time, cause further damage to nerve cells even after the clot is removed.
The mechanism is produced by layers of electrically charged particles (ions of sodium and potassium) on either side of the nerve membrane that change places when stimulated.
In 1952, Hodgkin and Huxley introduced a model in which nerve signals were described as an electric current along the nerve produced by the flow of ions.
Two different inherited genetic variations in two different families of children with ASD «converged» to produce the same changes in nerve function and behavior, the researchers report in EBioMedicine, a new online translational medicine journal published by editors at The Lancet and Cell Press.
The authors found that if they blocked lactate release by glia or uptake by nerve cells, they produced a long - lasting prevention of cocaine relapse in rodents.
Nerve growth factors produced by the body, such as GDNF, promote the survival of the neurons; however, clinical tests with GDNF have not yielded in any clear improvements.
The recent earthquake swarm, beginning on March 24 and climaxed by a 4.9 magnitude tremor on Saturday, has produced no reports of injuries or severe damage but has rattled nerves in a region where Idaho's most powerful known quake, measured at 6.9, killed two children in 1983.
The team, led by Mark Mayford, created a mouse with a specific gene that produces the protein hM3Dq when nerve cells with this gene become active, leaving the protein attached to the cell.
He said electrical signals produced by the ear could be connected to a patient's nerve endings, similar to a hearing aid.
However, when the researchers genetically removed syntaphilin from the nerve cells, mitochondrial transport was enhanced, allowing the damaged mitochondria to be replaced by healthy mitochondria capable of producing ATP.
This neurotoxin is the cause of botulism, which is a rare, but serious paralytic illness caused by a nerve toxin that is produced by the bacterium Clostridium botulinum.
«The signal produced by the PV cell — after stimulation by the PYR cell — was passed on to target nerve cells and prevented them from generating action potentials of their own,» Poulet says.
Developed by Janelia colleague Nicholas Sofroniew, the method produces huge datasets that show when and where nerve cells are active.
«Too little sodium can also increase sympathetic nerve activity, which raises the risk of heart attacks, and boost the secretion of aldosterone, a hormone produced by the adrenal gland that is bad for the cardiovascular system.»
These results support the hypothesis that that all the symptoms and disease courses observed in MS patients are produced by the same underlying mechanisms that damage nerve cells over time.
The cells respond to vibrations by producing electrical impulses that travel via nerves to the brain.
Moreover, the researchers identified the specific nerve - damaging toxins produced by these activated microglia.
Shoemaker has been studying gene therapy as a novel way to treat diseases such as botulism, a rare but serious paralytic illness caused by a nerve toxin that is produced by the bacterium Clostridium botulinum.
Amyloid is the umbrella term for protein fragments that are produced by the body and that ultimately lead to the demise of nerve cells.
Those naturally produced opioids, and the opioid drugs that imitate them, inhibit pain by acting on three kinds of opioid receptors — mu, kappa and delta — that are found on the outside of nerve cells in the brain, spinal cord, digestive tract and elsewhere.
The nerve degeneration that causes the disease arises from the absence of the protein frataxin, normally produced by the FXN gene.
Some researchers seek gene therapies that might act more broadly on retinal cells, perhaps by using genes that produce proteins supporting the growth and health of nerve cells, which could be delivered before significant vision loss occurs.
A U-M alumna who sought to avoid passing a deadly disease to her son has given scientists a gift that could help many more families affected by the same disease: an embryo that has allowed U-M researchers to produce stem cells and nerve cells that contain the crucial disease - causing genetic defect.
«By producing new taste cells outside the body, our results demonstrate that direct stimulation from nerves is not necessary to generate functional taste cells from precursors,» said Ozdener.
The differences between the lipoproteins secreted by astrocytes and those found in the CSF suggest that the astrocytes produce particles that help the brain rid itself of excess cholesterol in addition to helping deliver membrane components to the nerve cells.
It also reduces pain, as the pain in wounds results from the nerve endings being sensitized by prostaglandins produced in the process of inflammation, as well from the pressure on tissues resulting from oedema.»
«Ninety - five percent of the body's serotonin is produced by the gut nerve cells, and every class of neurotransmitters found in the brain is also found in the gut.»
It is used by the brain to produce serotonin, a neurotransmitter that transfers nerve impulses from one cell to another and is responsible for normal sleep.
WHAT TO AVOID TO HELP PREVENT ALZHEIMER»S DISEASE • STATIN DRUGS: Cholesterol is a vital part of the myelin sheath insulating neurons and assisting in propagation of nerve impulses; metabolites in the cholesterol biosynthesis pathway inhibited by statins are required to produce CoQ10 as well as functional GLUT4s.
First, by helping produce the myelin sheaths that insulate and protect brain cells and nerves.
The H - reflex is produced by an electrical stimulus, which causes action potentials to travel up afferent nerves until they synapse on α - motor neurons.
Signals produced by these microbial - neural interactions may reach the brain via the vagus nerve.
Furthermore, the vitamin aids in proper nerve function by producing serotonin and dopamine.
In this historical fantasy, produced by Tim Burton, vampires strike the same twitchy nerve among the citizenry that terrorists do in our real world.
Myasthenia gravis: a syndrome characterized by muscle fatigue due to an autoimmune disease which produces chemical abnormalities of the muscles and nerves.
The smells produced by these treatments are known to help sooth a dog's nerves, which may make the process run smoother.
Acupuncture causes the release of natural painkillers produced by the body itself, increases blood flow and circulation, and stimulates nerve endings.
The response waveform consists of a series of peaks numbered with Roman numerals: peak I is produced by the cochlea and auditory nerve, and later peaks are produced within the brain.
Chronic Pain — MSM, by stimulating the activity of cortisol (a natural anti-inflammatory hormone dogs produce), blocks the transfer of electrical pain impulses through the nerve fibers.
This condition is caused by an acute central disc prolapse compressing nerve roots, producing neurological symptoms including bilateral sciatica, saddle anaesthesia and urinary dysfunction.
a b c d e f g h i j k l m n o p q r s t u v w x y z