Exposure to Alternaria produced
more cell damage in the cells of the airway's lining.
Mice living in cages with these fabrics for up to six months had
more cell damage in their liver and brain than mice who weren't exposed to this third - hand smoke.
By measuring levels of the stress hormone cortisol, plus other chemical markers, the team found that the task caused
more cell damage in the women who were already stressed.
Not exact matches
«What we're trying to do is make your nerve
cells more resistant to
damage,» Ray said.
By discovering
more about their survival tricks, the researchers hope to learn
more ways to protect human
cells from
damage.
In other words, consuming
more antioxidants seems to protect your
cells from
damage as well as enabling them to recover from exercise.
Theoretically, the
more antioxidants you consume, the higher your chance of avoiding
cell damage and circumventing the problems that can spring from it, such as cancers.
The key to matcha green tea's health benefits, EGCG protects
cells from oxidative
damage caused by free radicals; it provides even
more antioxidant protection than vitamin C or E.
Plus, they contain large amounts of antioxidants, substances that protect
cells from
damage caused by oxidation.Chia seeds look... [Read
more...]
Because the red blood
cells are
more prone to
damage by oxidative substances in an individual with G6PD Deficiency, a diet rich in antioxidants is important.
One or
more cells are then removed to check for chromosome
damage.
Gravekamp thinks the radioactive bacteria affected metastatic tumours most because
cells there were still rapidly multiplying, leaving their chromosomes
more open to
damage than those in healthy tissues or in the original tumour.
«There are currently no therapies which successfully reverse the
damage seen in the
more than 12,000 individuals who suffer a spinal cord injury each year in the United States alone,» says Dr. Richard G. Fessler, professor of neurological surgery at Rush University Medical Center and principal investigator for the Phase 1 clinical trial involving AST - OPC1 (oligodendrocyte progenitor
cells).
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 injuries.
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.»
These symptoms, whether mild or
more severe, are generally caused by
damaged brain
cells.
The mechanisms that promote or enable drug resistance include drug inactivation, drug target alteration, drug removal from
cells, DNA
damage repair,
cell death inhibition and the epithelial - mesenchymal transition (EMT) that enable solid tumors to transform into
more metastatic grades.
Since cancer
cells divide
more often than most normal
cells, they react
more sensitive to DNA
damaging agents.
And according to a third theory, as organisms age they deteriorate and must spend
more energy to repair
cell damage — to the detriment of other essential physical functions.
Until now, microglia have been dismissed as simple immune
cells that do little
more than protect brain
cells from
damage and tidy up in the aftermath of disease.
Unlike normal
cells, however, the tumour
cells are considerably
more sensitive, because they can not repair
damage well.
Now, with new kinds of technologies that are coming up, new types of tissue engineering and, you know, some of the hopes that people have for stem
cells and [the] like, it may be interesting to see if there are other ways, alternatives to dealing with really badly
damaged hearts that would involve growing a new heart or replacing or repairing the
damage d to a badly
damaged heart that might make artificial hearts less important in the somewhat
more distant future.
Brains of people who died from various diseases caused by tangled tau had
more dead and
damaged cells if the people carried APOE4.
If we introduced stem
cells with nice, long telomeres in the first place, we could let them wind down and eventually be lost to apoptosis, senescence, or other sources of
damage — and just top our tissues up with
more stem
cells before enough of those
cells were lost to begin to impair tissue function.
The researchers found that mutant mice lacking Del - 1 had
more severe attacks of the EAE than normal mice, with
more damage to myelin, the fatty sheath that coats neurons and helps in the transmission of signals along the
cell.
Under the microscope the chromosomes of the Werner
cells showed
more signs of
damage than did the healthy counterparts.
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.
But
more importantly, the research, using induced pluripotent stem
cells, suggests the neuronal
damage might be reversible through novel anti-inflammatory therapies.
«RYBP would make cancer
cells more sensitive to DNA
damage, which would make chemo or radiation therapy
more effective,» said Mohammad Ali, a postdoctoral fellow and the lead author of the study.
Ali found that breast cancer
cells that have high levels of RYBP are
more sensitive to DNA
damage after radiation or drug treatment, including PARP inhibitors (inhibitors of the enzyme poly ADP ribose polymerase used in cancer treatment).
«The last thing we need from a vaccine is
more inflammatory
damage,» says Shah, who has been working with Swedish
cell biologist Jan Nilsson on a vaccine that boosts the antibodies responsible for gentle plaque removal while damping vessel -
damaging inflammation.
But even
more far - ranging treatments may be possible with embryonic stem
cells, the blank - slate
cells that give rise to all organs and tissue types and that (theoretically) can repair all forms of organic
damage and disease.
Understanding the coordinated development of motor neurons and glia may inform ways to prod stem
cells into generating
more glia after someone suffers an injury with nerve
damage.
Second, older
cells are
more vulnerable to this
damage — or less able to repair themselves.
One of them was used to reproduce acquired aplastic anemia: due to various types of
damage, some of the stem
cells die, and those that remain need to divide
more frequently in order to maintain the production of blood
cells; as a result of so many divisions, the telomeres shorten and the disease appears.
Comparing the
damaged sites in normal
cells before and after infection with H. pylori revealed that genes located close to the margins of the chromosomes, the so - called sub-telomeric regions, are
more likely to be
damaged after infection, as are genes that are active in gastric
cells.
But after high - dose
damage, too many
cells would have double - strand breaks to replace them all, and repair would make
more sense.
«This gentle laser didn't burn the skin or
damage tissue, so it could be dosed multiple times and
more thoroughly stop the cancer
cells from being able to travel,» said researcher Ronghu Wu.
Rather than artificially triggering cancer by engineering genetic mutations, this model
more closely mimics human liver cancer in that tumors develop as a natural consequence of non-alcoholic steatohepatitis (NASH), a chronic metabolic disorder that causes liver
damage, fibrosis and numerous
cell mutations.
Reducing the sickling is also significant because sickled
cells are
more prone to being
damaged when passing through narrow capillaries.
Further, elephants may have a
more robust mechanism for killing
damaged cells that are at risk for becoming cancerous.
«The
cells that are in low nutrient conditions end up being much
more viable, likely because they have waited for the
damaged DNA to be repaired before starting to divide again,» explains Julia Klermund.
Checkpoints stop
cells from dividing; thereby allowing
more time for the
cell to repair
damaged genetic material.
Because it
more effectively induces cancer
cell apoptosis in p53 - deficient tumors, FL118 is especially effective against late - stage cancers, which usually lose functional p53 and are resistant to DNA -
damage drugs.
After tracking the injected
cells in the mice for
more than 10 days using bioluminescence and fluorodeoxyglucose (FDG)- positron emission tomography (PET) imaging, they found that the injection of the senescent
cells into the knee region caused leg pain, impaired mobility and characteristics of osteoarthritis, including
damage to surrounding cartilage, X-ray changes, increased pain and impaired function.
When injuries or illness
damage specific parts of a body,
cell death generates even
more of this so - called circulating DNA.
«But this study has shown us that when we run into severe pathological conditions like heart and liver disease it would be
more beneficial to inhibit the TRIM21 protein because it is preventing the
cell from protecting itself against
damage.»
As
more saturated fatty acids enter the
cell, those islands grow in size, creating increasing inelasticity of the membrane and gradually
damaging the entire
cell.
A mutation in the virus led to
more brain
cell damage and much smaller brains (right).
What's
more, the repeated light exposure
damages cells and their fluorescent labels.