Sentences with phrase «by dying cells»

Since the deadly brew could be inactivated by boiling or adding protein - chopping enzymes — both of which destroy the function of proteins — Wang believes the «killing factor» released by the dying cells is a protein.

Not exact matches

By killing himself in his prison cell while awaiting appeal of a murder conviction, former National Football League tight end Aaron Hernandez essentially died an innocent man under a Massachusetts law that once protected the assets of the late Enron CEO.

«We die daily»: so it is often said, not only with reference to the death of our bodily cells and their replacement by other cells every few years, but also in respect to our possible human growth.

Some fail even to implant themselves in the uterine wall; in my imagination, these little ones only a few days past the original combination of two cells seem like motes in the air, floating through dust and sunbeams, dying unnoticed by any but God.

We all know by now that if the atomic combinations break down, or if the proper chemical reactions fail to take place, the cell will die or the brain (in which thought seems to dwell) will fail to function, and «mind» will be impaired or it may vanish altogether.

The risks of dying in a car accident hover somewhere around 1 in 17,000 — without considering drowsiness or distraction by cell phones, etc..

Baby mice with NEC that were given breast milk after the onset of the disease had noticeably less severe forms of the condition, marked by fewer gut cells dying.

Behind those barbed wire walls, harmless old men die in handcuffs, raped women are thrown in cells by male guards who regularly enter unannounced.

Buffalo businessman and political activist Carl Paladino hopes President Obama contracts mad cow disease after having intercourse with a cow and dies, while his advisor Valerie Jarret is killed by «a Jihady cell mate mistook her for being a nice person and decapitated her.»

«More women are postponing childbearing, but with age, the cumulus cells that surround and nurture the eggs begin dying; we've found that this is caused by lack of oxygen,» said senior author Pasquale Patrizio, M.D., director of the Yale Fertility Center and professor in the Department of Obstetrics, Gynecology & Reproductive Sciences.

In humans, Huntington's is an inherited disease caused by a gene encoding a toxic protein, called mutant huntingtin, which causes brain cells to die.

Huntington's disease is caused by a gene encoding a toxic protein (mutant huntingtin) that causes brain cells to die.

Because heart cells lose their ability to divide soon after we are born, when the cells die — in a heart attack, say — the dead tissue is replaced by scar tissue rather than new muscle.

Also known as the «Guardian of the Genome,» p53 fights cancer by causing damaged cells to die or by halting the growth of mutant cells before they become cancerous and spread to the rest of the body.

Although the group didn't identify the toxin's target, it probably causes cells to die from within by overstimulating the immune system, says immunologist Harry Hill of the University of Utah.

Using cells from cadavers, doctors have been experimentally transplanting pancreatic islets into humans for decades, but as many as 60 percent of the transplanted islets die immediately because they are cut off from their blood supply and are killed by an immune response due to direct injection into the bloodstream, and those that survive the transplant usually die within several months.

Published in the journal Frontiers in Neuroscience, the researchers have assembled strong evidence that the neurological decline common to these diseases is caused by «auto - inflammation», where the body's own immune system develops a persistent inflammatory response and causes brain cells to die.

The tremors and other movement impairments of Parkinson's are triggered by the death of dopamine - producing cells in the brain, so the investigators used flies that had been genetically engineered to have their dopamine cells die off as they age.

The release of several signals by skin cells that are dying contributes to the creation and spreading of the chronic immune response and hyper - proliferation and irregular differentiation of epidermis,» says Joan Manils, first author of the study and member of the mentioned department and post-doctorate researcher at the Trinity Biomedical Sciences Institute (Ireland).

A new diagnostic test, created by Detlev Riesner and colleagues at the Heinrich - Heine - Universitat in Dusseldorf, Germany, may help spot the plaques long before brain cells die off.

Miceli, 43, had died after being held in a cell in the parish jail, bound to a metal bed by five - point leather restraints.

The research team, led by senior author Timothy P. Cripe, MD, PhD, chief of the Division of Hematology / Oncology / BMT at Nationwide Children's Hospital, found that virotherapy doesn't always require a strong virus infection of cancer cells to cause tumors to shrink or die.

The following year, a paper by Ben Lehner's group at the Center for Genomic Regulation in Barcelona, Spain, drove the point home: When a cell produces too many of these proteins, they found, it dies.

Brains of people who died from various diseases caused by tangled tau had more dead and damaged cells if the people carried APOE4.

Once these channels become blocked by charybdotoxin, nerve cells can not function and the scorpion's victim dies a paralysing and painful death.

«The key assumption is that dead cells that look the same probably died by the same mechanism,» he said.

Tattoos can be removed by laser pulses that cause skin cells to die and release their pigment, which can then be transported away from the skin and into the body's lymphatic system.

More recently, however, researchers have suggested that macrophages — specialized immune cells that reside in the dermis — are attracted to the wound inflicted by the tattoo needle and gobble up the tattoo pigment just as they would normally engulf an invading pathogen or piece of a dying cell.

If an engineered organism mates with a wild counterpart, the transcription factors render the offspring unable to survive by activating genes that cause their cells to die.

Mice with a form of dementia have had the condition reversed by a process that involves «rebooting» brain cells otherwise destined to die.

One theory is that the glaciation was triggered by the evolution of large cells, and possibly also multicellular organisms, that sank to the seabed after dying.

When a cancer cell dies by apoptosis, the result is a neat and tidy process where the dead cell's remains are «recycled,» not contaminating healthy cells around them, and not inducing inflammation.

BCL - 2 is present in high amounts in many tumors and helps cancer cells to survive, but when the BCL - 2 gene is blocked by MM41 in mice, the cancer cells succumb to apoptosis and die.»

In healthy human cells, the p53 protein helps prevent tumors by putting the brakes on the cell cycle to give an ailing cell time to fix itself — or die — rather than spawning more corrupted cells.

In NASH, the liver becomes inflamed and criss - crossed by fibrous scar tissue, and liver cells start dying.

However, in this case the target cells were pigment ones, which eventually die off to be replaced by new ones.

She explained: «The number of cells in our body are balanced by the level at which cells replicate and replace the ones that die.

Egg cells can also be preserved in their hundreds of thousands by collecting ovarian tissue from reproductively active females that die in captivity and dunking it in liquid nitrogen.

«Often things go wrong right away when stem or therapeutic cells are injected into the body because some cells can migrate, while other dying cells are eaten by the body and expelled,» says Xiao - an Zhang, an assistant professor of chemistry at U of T Scarborough.

So lethal was this virus to the HeLa cells that nearly every cell soon died, overwhelmed by the infection despite any protective effect from antibodies they harbored.

The researchers anticipate that the pigs could be a practical way to test treatments for HD, which is caused by a gene encoding a toxic protein that causes brain cells to die.

Researchers in Germany have demonstrated that hematopoietic stem cell (HSC) transplants can be improved by treatments that temporarily prevent the stem cells from dying.

«The cancer stem cells are also recovering during this gap period, induced by PGE2 released from dying cancer cells

(Why it does this is unclear, but scientists believe it's a clever way for staph, which can't move by itself, to spread beyond the molasses - like environment created when DNA leaks from infected, dying cells.)

Cystine is responsible for maintaining high levels of antioxidants that disarm free radicals of oxygen; so when the researchers got rid of this nutrient, the cancer cells essentially died by their own hand of free radical damage.

The renowned embryologist charted the intricate architecture of the developing nervous system, proving that its final structure is shaped not just by newborn cells but also by those that eventually die.

With frontotemporal dementia the symptoms are caused by dead and dying cells; in depression the root cause is still unknown.

Retinal ganglion cells only began to die after they're affected by high levels of zinc leaking from injured amacrine cells.4

The pigment is needed by photoreceptor cells — the retina's light - sending rods and cones — and when RPE65 is mutated, the photoreceptor cells gradually die.

The drug, known as HRX9, works by preventing the cancer cells from avoiding apoptosis — the natural process by which unhealthy and damaged cells close themselves down and die.