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.