Sentences with phrase «causing oxygen damage»

Not exact matches

Trans fats react with oxygen and iron in the bloodstream to create free radicals which cause tissue damage and fry your arteries.
Letting an infant sleep in that position for extended periods of time can lower oxygen levels by 20 %,, cause suffocation, and also damage the spine.
In particular, if you aren't breathing effectively, your baby may not receive enough oxygen and this could cause brain damage to your baby.
The apnea is significant as it leads to hypoxemia (oxygen blood content is less), which causes the brain damage.
I know how long it takes for oxygen deprivation to cause permanent brain damage.
This practice is used by doctors to detect complications like low oxygen and heart issues that can cause brain damage, seizures and even death in babies.
The low blood pressure can deprive her body of oxygen, which can damage her pituitary gland causing Sheehan's syndrome.
Reactive oxygen species, also called free radicals, are chemicals that typically contain oxygen, are known to be found in cigarette smoke, and cause DNA damage in cells.
«Lack of oxygen, not excessive stimulation, cause for half of seizure - related brain damage in epilepsy.»
This happens because the loss of blood flow in a vessel causes the local oxygen level to drop, which stimulates local production of vascular endothelial growth factor, or VEGF, a protein which in most tissues causes the growth of new blood vessels to repair damage.
Apparently, a side reaction in the respiratory system in the mitochondria causes them to steadily release reactive oxygen species that can damage DNA, RNA and proteins.
The damage sensors lit up first, with the hydrogen peroxide marker following moments later, suggesting that the reactive oxygen molecules are indeed a sign, and not a cause, of injury.
Inhibition of EGL - 9 can reduce damage caused by reperfusion of tissues with oxygen, but how such beneficial effects are mediated is not clear.
Restoration of oxygen supply to cells that have been deprived of oxygen actually causes further damage to cells and tissues.
Fertilizer runoff and fossil - fuel use lead to massive areas in the ocean with scant or no oxygen, killing large swaths of sea life and causing hundreds of millions of dollars in damage
This is surprising since it means that toxic oxygen molecules formed in heat - damaged chloroplasts during photosynthetic reactions during the light are likely not the major culprits that cause bleaching.
It has been theorized that the major cause of bleaching is the result of chloroplast damage due to heat stress, which results in the production of toxic, highly reactive oxygen molecules during photosynthesis.
Overall, the research found that the most common type of condition that contributed to brain injuries was damage caused by lack of oxygen to the brain, called hypoxic ischaemic encephalopathy; this is seen mainly in full term babies.
The cause of the damage is still poorly understood, but radiation is known to create highly reactive oxygen - containing molecules in the body.
These include seizures or fits, bleeding within the brain, stroke just before or at birth, infections like meningitis, and damage caused by oxygen deprivation.
Although the damage caused by OSA comes partly from sharp fluctuations in oxygen levels as the patient fights for breath, much of the disorder's devastation appears to result from its disruption of sleep.
«Oxygen by - products produced during normal metabolism can cause oxidative damage to biomolecules in cells, such as DNA and RNA,» explains Jian - Ping Cai, a researcher involved in the study.
This caused oxidative stress — too much oxygen that damages healthy cells — and allowed the release of harmful molecules, called free radicals, which resulted in serious illness.
But this can cause long - lasting damage because it cuts off oxygen and nutrients.
The damage is often caused by constriction of the arteries supplying blood, and hence oxygen and glucose, to the brain.
The subjects also experienced hypoxic effects, as cessations in breathing cause blood oxygen saturation levels to drop, possibly triggering optic nerve damage that can lead to glaucoma.
An excess of these oxygen radicals causes irreversible cell damage
He noticed that a certain class of mutations in the heme pocket caused the proteins to become extraordinarily stable even though the mutations damaged their ability to bind heme and oxygen.
This happens because the loss of blood flow in a blood vessel causes the local oxygen level to drop, which stimulates local production of vascular endothelial growth factor, or VEGF, a protein that in most tissues causes the growth of new blood vessels to repair damage.
They used gas with oxygen - 18 and water with oxygen - 16, so they could distinguish if the damage was caused by oxygen, water or both.
Now in a study published in the journal Scientific Reports, Alexander Zaika, Ph.D. and coworkers show that DNA damage in the esophageal cells caused by acidic bile reflux (BA / A) activates enzymes called NADPH oxidases in the mitochondria, the cell's power house, to release highly reactive - oxygen species (ROS).
The prevailing theory is that this reduces damage to mitochondria occurring as a result of the reactive oxygen species generated within these organelles, with localized antioxidants soaking up reactive molecules before they can cause harm.
STEVEN BENNER: Radiation causes damage to DNA by way of specific molecules, in particular, reactive oxygen species.
«We were sure that lack of oxygen» during delivery had caused brain damage, the father says.
Exposure of tumor cells to clinically relevant low doses of ionizing radiation causes DNA damage and the generation of reactive oxygen species (ROS).
A child's heart is more sensitive to injury caused by interrupting blood flow during surgery, and excess reactive oxygen species are a key source of this damage.
The research scientist at Vertex counts several family members and friends in her community in the U.S. Virgin Islands among those with the painful illness, in which misshapen blood cells can't carry oxygen well enough to fuel the body and get caught in the body's organs, causing damage.
DNA is constantly exposed to a variety of damaging factors such as genotoxic agents, environmental factors (e.g. UV light, irradiation) or normal metabolic activities (e.g. nucleotide misincorporation during DNA replication, reactive oxygen species) that causes a range of lesions.
This excess oxygen may be the source of molecules that cause damage to the cells of the natural drain of the eye.
Anti-cancer drugs often increase reactive oxygen species (ROS) and cause DNA damage.
«Past studies have shown that having low antioxidant levels and increased reactive oxygen species — chemical products that bind to body cells and cause damage — is related to more severe PAD,» said Matthew Muller, postdoctoral fellow in Larry Sinoway's lab at Penn State College of Medicine, and lead author of the study.
The resulting ischemia (restriction in blood supply) and ensuing oxygen shortage, if left untreated for a sufficient period of time, can cause damage or death (infarction) of heart muscle tissue (myocardium).
She also found that reactive oxygen species, (ROS), which can cause tissue damage, play a role in the process.
According to Ryan Andrews of Precision Nutrition, «most high - intensity physical activity is a state of «crisis» in the body: it endangers oxygen supply to tissues, increases body temperature, reduces body fluids and fuel stores, and causes tissue damage
The release of reactive oxygen species is also common in inflammaging, and these substances cause oxidative damage to cells and tissues, releasing debris that further elicits inflammation.
They've also been shown to help decrease DNA damage by reducing inflammation (the underlying cause of many diseases) and reactive oxygen species.
So by replacing carbs with healthy fats, your cells» mitochondria are less likely to suffer damage from free radicals that are caused by reactive oxygen species or ROS.
When an oxygen molecule (O2) becomes electrically charged or «radicalized» it tries to steal electrons from other molecules, causing damage to the cell's DNA.
Like the other antioxidant vitamins discussed above, vitamin E prevents tissue damage of the thyroid gland which can be caused by free radicals especially the reactive oxygen species formed from lipid peroxidation.
Ginkgo biloba protects brain cells from damage caused by free radicals while improving blood circulation and oxygen delivery through the microcapillaries.
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