Sentences with phrase «when brain tissue»

Primary injuries include: lacerations, when the brain tissue is cut or torn; contusions, when the brain is bruised; rupturing of blood vessels; and axonal injury, where neurons are stretched and torn.

When brain tissue from mice affected by Alzheimer's was with treated with vitamin C, the toxic protein aggregates had been dissolved.

Not exact matches

«When we are dehydrated, the tissue in our brain loses water, which results in temporary brain shrinkage.

The imbroglio reached its apex during the second Republican presidential debate, when Carly Fiorina decried the harvesting of a brain from an intact, extracted fetus whose heart had restarted — described on camera by a former tissue procurement technician — as an issue that defines «the character of our nation.»

How did John Wilkes Booth kill Abraham Lincoln when it was clearly a piece of lead projected out of a small metal tube which went right into Lincoln's head destroying brain tissue that really killed him?

The candida actually binds with the mercury in the body, and when that candida dies off it causes the mercury to redistribute into organs and tissues (such as the brain).

Research shows that when developing brain tissue is exposed to such hormones for long periods of time, nerves won't form proper connections to other nerves and will even degenerate.

Axons, which are like cables woven throughout brain tissue, swell up when traumatic brain injury occurs.

This is when sodium in the baby's bloodstream becomes diluted, causing tissues to swell and leading to dangerous interference with brain activity.

A stroke occurs when the blood supply to part of the brain is interrupted or reduced, depriving brain tissue of oxygen and nutrients.

But when it runs amok, as it does in schizophrenia, the process destroys healthy brain tissue.

Of those who survive, half are left with brain damage, which occurs when the heart starts beating again and a sudden rush of blood into oxygen - starved tissues triggers an avalanche of treacherous biochemical reactions.

«When we did figure the whisking out, the brain tissue poured out pink, with a little blood, like a strawberry milk shake,» says Brier.

When axons burst open, they often distribute amyloid proteins through the neighboring brain tissue.

Right now, treatment for stroke is centered on the first few hours, when rapid intervention with drugs or surgery can prevent brain tissue from dying.

Dr Brastianos will say: «When brain metastasis tissue is available as part of clinical care, we are suggesting sequencing and analysis of that sample.

Recent studies suggest that the total loss in brain volume due to atrophy — a wasting away of tissue caused by cell degeneration — between our teen years and old age is 15 percent or more, which means that by the time we're in our seventies, our brains have shrunk to the size they were when we were between 2 and 3 years old.

And when it does burst, it leads to bleeding in one of the spaces of the brain called the subarachnoid space — the area [under the skull] that is actually covering the brain tissue.

Saatchi, which is owned by France's Publicis Groupe, SA, chose LifeStraw over a field of competitors that included a reusable controller to improve the distribution of IV fluids, a collapsible wheel that can be folded down for easier storage when not in use on bicycles or wheelchairs, an energy - efficient laptop designed for children in developing countries, a 3 - D display that uses special optics and software to project a hologramlike image of patient anatomy for cancer treatment, an inkjet printing system for fabricating tissue scaffolds on which cells can be grown, a visual prosthesis for bypassing a diseased or damaged eye and sending signals directly to the brain, books with embedded sound tracks to help educate illiterate adults on health issues, a phone that provides telecommunications coverage to poor rural populations in developing countries, and a brain - computer interface designed to help paralyzed people communicate via neural signals.

Researchers at the Harvard Brain Tissue Resource Center at McLean Hospital in Belmont, Massachusetts, only noticed the thaw — on 31 May — when they opened the freezer door; the temperature display still read -79 °C.

Cerebral cavernous malformations (CCMs) are clusters of dilated, thin - walled blood vessels that can lead to seizures or stroke when blood leaks into the surrounding brain tissue.

It also allows «lineage tracing,» showing when during brain development the mutations arise and how they spread through brain tissue as the mutated cells grow, replicate and migrate, carrying the mutation with them.

Here's how it happens: When you slurp a really cold drink or eat ice cream too fast you are rapidly changing the temperature in the back of the throat at the juncture of the internal carotoid artery, which feeds blood to the brain, and the anterior cerebral artery, which is where brain tissue starts.

When the researchers presented the virtual brain tissue with a stimulus, cliques of progressively higher dimensions assembled momentarily to enclose high - dimensional holes, that the researchers refer to as cavities.

Prior research with cultured tissue had shown that a mix of chemicals could change bone marrow stem cells from mice to those resembling brain cells, but when a team led by neurologist Lorraine Iacovitti of Thomas Jefferson University in Philadelphia tried the same brew on human cells, the number altered was modest.

When they added these proteins to cultures of brain tissue from aborted human fetuses, the tissue formed folds, as it does in human fetuses at about 20 weeks of gestation.

When zebrafish with the green fluorescing endothelial gene matured, the researchers observed green FGPs on the surface of the fish's brains — confirming that these cells arose from endothelial tissue.

Published in the journal Proceedings of the National Academy of Sciences, the team, led by Professors Claire Harris and Professor Paul Morgan, showed that when the «homing» agent was injected into mice immediately after traumatic brain injury, it specifically targeted the injured tissue, serving to inactivate the complement system and reduce inflammation and neuronal damage.

Boyden and colleagues first described the underlying technique, known as expansion microscopy (ExM), last year, when they used it to image proteins inside large samples of brain tissue.

He was a veteran professional football player, in his mid-60s when he died, and a paper - thin cross section of his brain tissue taken at the autopsy appears visibly shrunken and atrophied.

When Rupprecht conducts rabies genetic research in China, he finds it is easier to sample brain tissue from deceased humans than from animals.

When the scientists looked at the structure of the neurons in the insects» brains and eyes, they saw that while the tissue in very young flies was more or less intact, problems developed quickly.

He has found that when blood flow is compromised — as by a stroke — nearby vessels pick up the slack, helping brain tissue recover.

When the researchers measured the amount of virus present in different tissues, they found that, in addition to more virus in their blood and spleens, the older mice had 20-fold higher virus levels in their brains — which likely causes the excess deaths.

«It's critically important to be able to look at questions of brain development in real human tissue when you're trying to study human disease.

«It really hasn't been explored when these activity networks — these collections of brain areas that start to work together in the brain — emerge and what types of cells and tissues they emerge in,» says Colin Studholme, Ph.D., a professor with joint appointments in pediatrics and bioengineering at the University of Washington and senior author of the paper.

Of these cases, 32 percent had CTE pathology when the researchers examined brain tissue.

When the doctors examined her, they diagnosed her with epilepsy as well, caused by a small patch of damaged brain tissue.

Although the faux virus thrived in a tissue culture, it didn't do as well as a naturally occurring poliovirus when it was injected into the brains of mice.

Vascular dementia, for instance, can result when cardiovascular disease or a stroke limits blood supply and damages brain tissue.

After confirming in mouse models that cells from HER2 - positive breast cancers became resistant to anti-HER2 treatment when implanted into the brain but not into other tissues, the investigators found that HER3 is overexpressed in brain metastases of HER2 - positive breast cancers from both mice and human patients.

About seven of every eight strokes are ischemic: They occur when a blood clot cuts off oxygen flow to one or another part of the brain, destroying tissue and leaving weakness, paralysis and sensory, cognitive and speech deficits in its wake.

They used state - of - the - art DNA sequencing technology to screen for retrotransposons in tissue samples taken postmortem from three individuals who were healthy when alive and had no neurological disease or signs of abnormality in their brain tissue.

Stroke occurs when blood flow to the brain is interrupted by a blockage or a rupture in an artery, depriving brain tissue of oxygen.

While the exact cause is not known, many researchers believe multiple sclerosis occurs when a person's immune system attacks tissue of the brain and spinal cord, resulting in severe pain, impaired movement and in the most extreme cases, death.

The problem is that these probes are typically much larger in size than neurons and capillaries (they usually have a cross-sectional area of 103 μm2) and can thus cause significant damage to brain tissue when implanted.

Expression of the familial PD - linked A53T or A30P mutant ASs in cell models results in an increased proportion of CTTAS being produced than is the case when expressing the WT protein; consistent with this, a higher proportion of the total soluble AS in human brain tissue with AS neuropathology is CTTAS, and a higher proportion yet of the total AS in insoluble AS deposits.

But when researchers analyzed the brain tissue of narcoleptics taken during autopsies, they found practically none of those neurons.

Traditional observational techniques require using microscopes to view ultra-thin slices of tissue — messy business when trying to reconstruct three - dimensional structures in something as thick as a human brain.

When a tumor develops in the brain, spinal tissue, or affecting the nervous system, tumor growth is a significant concern due to the location around delicate tissue and structures.