Sentences with phrase «when damaged cells»

(When damaged cells continue to grow they may become cancerous.)

Not exact matches

His research shows that in cases of hearing loss, the ear's nerve fibers become damaged before the hair cells do, and when those synaptic fibers reconnect to the hair cells, it's possible to regain hearing.
Like water bear cells, human cells are damaged when they're exposed to X-rays.
But in the lab, when the scientists manipulated human cells to be able to create the water bear shielding protein — called Dsup — they showed about half the DNA damage as normal cells.
A new benefit to the Chase Ink Preferred is $ 600 in cell phone coverage when your phone is damaged or stolen.
This happens when environmental agents damage DNA, or when mistakes occur when a cell copies its DNA prior to cell division, as orchestrated by God.»
@Chad: I. Mutations in DNA sequences generally occur through one of two processes: A. Environmental factors: DNA damage from environmental agents such as ultraviolet light (sunshine), nuclear radiation or certain chemicals B. Mistakes that occur when a cell copies its DNA in preparation for cell division.
Extracts from this garlic even protected cells in a laboratory dish from certain types of damage.13 This isn't really surprising when you consider the nutritional changes that typically occur in plants when they sprout.
When used on the skin, it balances oil production, unblocks sebaceous glands, which can lead to blackheads and whiteheads, destroys bacteria, and removes damaged skin cells.
When nuts are roasted above 170 degrees, the monounsaturated fats can break down and free radicals can form, causing damage to the cells.
Usually, the G6PD enzyme in the body PROTECTS the red blood cells from damage by these byproducts... but when an individual is G6PD deficient, that layer of protection is not there in sufficient quantity.
The second wave only occurs when cells are killed, not when they are just damaged, suggesting that it is dependent on the extent of the damage.
When Hong further boosted MAPK signals and DNA damage in the tumor cells, she found that she could intensify tumor cell death.
The purpose of catalase in living cells is to protect them from oxidative damage, which can occur when cells or other molecules in the body come into contact with oxidative compounds.
When this level was high enough, stress signals can lead to DNA damage and then trigger a form of cell death called parthanatos.
Mice with fragile beta cells that were poor at repairing DNA damage would rapidly develop diabetes when those beta cells were challenged by cellular stress.
These structural and functional differences are not seen when cells are placed in similar positions by mutation or laser - induced damage.
When RCGD 423 was applied to joint cartilage cells in the laboratory, the cells proliferated more and died less, and when injected into the knees of rats with damaged cartilage, the animals could more effectively heal their injurWhen RCGD 423 was applied to joint cartilage cells in the laboratory, the cells proliferated more and died less, and when injected into the knees of rats with damaged cartilage, the animals could more effectively heal their injurwhen injected into the knees of rats with damaged cartilage, the animals could more effectively heal their injuries.
When the researchers exposed mice to radiation and chemicals that harm DNA, damaged stem cells transformed permanently into melanocytes.
Other mice, with robust beta cells that were good at repairing DNA damage, were able to stay non-diabetic for life, even when those islets were placed under severe cellular stress.
When the modified cells were injected into mice whose hind limbs had been injured, the tissue that regrew to repair the damage had three times the blood vessel density of similar tissue in mice given unmodified cells.
«Sub-set of stem cells found to minimize risks when used to treat damaged hearts.»
We know that they are under stress when they are fighting cancer or other diseases, so I wondered whether anything measureable could be seen if we put them under further stress with UVA light.We found that people with cancer have DNA which is more easily damaged by ultraviolet light than other people, so the test shows the sensitivity to damage of all the DNA — the genome — in a cell
When there is tissue damage due to a stroke or viral infection, these cells are activated and induce an inflammatory response.
The Lymphocyte Genome Sensitivity (LGS) test looks at white blood cells and measures the damage caused to their DNA when subjected to different intensities of ultraviolet light (UVA), which is known to damage DNA.
«The compounds identified in this study, when administered orally, both reduced the inflammation that is a hallmark of multiple sclerosis and protected against the nerve cell damage seen in mouse models of the disease,» said Jeffery Haines, PhD, a post-doctoral fellow at Mount Sinai and the study's lead author.
Researchers in France and Sweden have, over the past couple of years, shown that when BMAA is injected into rodents it gets incorporated into their eyes (pdf), where it could build up and potentially cause damage to cells in the retina.
When compounds that block the «message» channels in cell membranes were added to the dish, there was no damage to fibroblasts.
When combined, these agents cause interactions that significantly disrupt cancer cells» ability to survive DNA damage, according to a preclinical study published in the journal Cancer Cell.
«Instead of cleaning up when neurons die, the microglia assume they're under attack when they see too much cell death and kill nerve cells as collateral damage,» says Tanzi, who led the research team.
It turns out that when your standard polystyrene petri dish gets wet, its surface softens into a toxic goo that might be damaging cells.
Working with a mouse - model of parainfluenza virus infection, Sendai virus, which causes similar symptoms and patterns of tissue damage to RSV, researchers found that mice fared much worse in fighting the infection when their cells lacked IL - 27 signaling.
In particular, the published study states that, when root stem cells die due a genomic stress, a signal of steroid hormones is sent to reservoir stem cells so that these divide and replace the damaged ones.
Liver failure occurs when healthy cells called hepatocytes are damaged by alcohol and disease.
Damage occurs when metastatic tumor cells recruit pre-osteoclast cells to the bone and then induce their differentiation into mature bone - degrading cells, which results in the release of proteins from the bone matrix that promote tumor cell growth.
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.
When activated individually, neither the AMPK pathway nor the retrograde response provided substantial benefits to cells with damaged mitochondria.
When the liver is injured by infection or toxins like alcohol, it repairs the damage by activating smooth, muscular liver cells.
Zinc is a particularly versatile player, involved in more than 300 enzymatic reactions; when zinc goes missing, a cell's DNA and its repair machinery can be damaged.
When sickle cell disease progresses, it can delay puberty and cause acute and chronic complications, including debilitating pain, life - threatening infections, damage to vital organs, and stroke.
At the times when the protein levels were low, cell damage occurred, and when the protein surged, the excessive scarring set in.
Glial cells, when activated, produce proinflammatory cytokines that may further damage the nerve cells.
The team could isolate muscle stem cells from the male mice before they died and when they transplanted them into muscle - damaged recipient mice, they found that the stem cells were able to regenerate new muscle.
«By identifying the full set of genes in each of these two cell types, we provide detailed information that taste scientists can use to help understand how these cells work, both when healthy and also when affected by damage or disease.»
She previously showed that when blood leaks into the brain, fibrinogen causes inflammation by acting in brain immune cells, which can lead to brain damage.
Mutations occur, for example, when cells copy their DNA incorrectly or fail to repair damage from chemicals or radiation.
«With Diego's discovery, we've made a direct connection between the protein α - synuclein and the downstream effects that are observed when brain cells become damaged in Parkinson's.»
When the lipid droplets are destroyed, cell damage and neurodegeneration ensues.
However, when cells at the ends of the crypt are damaged, stem cells move up the crypt to help repair the damage.
They found that when E. coli were treated with doses of ampicillin too low to kill all of the cells, some of those left alive suffered DNA damage that was hastily — and often inaccurately — patched up.
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