Tag: "damage" at biology news
American Chemical Society's Weekly PressPac -- Aug. 8, 2007
...show that luminescent silica nanoparticles did not damage
cellular DNA. Our study indicates that the luminescent silica nanoparticle is a promising labeling reagent for various biomedical applications, the study concluded, citing the need for further research on potential long-term toxicity. ARTICLE #2 F...
Doernbecher Children's Hospital scientist earns coveted Javits award
...to devise therapies that cannot only reverse brain damage
ininfants but slow cognitive decline in aging adul... palsy, or CP, a condition in whichpermanent brain damage
causes movement disorders, including inability towalk without an assistive device, inability to use ...
Green tea boosts production of detox enzymes, rendering cancerous chemicals harmless
... the cancer-causing molecules that would otherwise damage
cellular DNA, thus rendering them inert. They actually convert known carcinogens to non-toxic chemicals, and studies have shown a correlation between deficient expression of these enzymes and increased risk of developing some cancers, Chow said. ...
Rain forest protection works in Peru
...genous peoples helped keep large-scale rain forest damage
in check between the years 1999 and 2005. However,...eighboring Amazon countries, but the extent of the damage
over the region has not been thoroughly assessed using high spatial resolution satellite data until ...
deCODE discovers cause of major subtype of glaucoma
...re various types of glaucoma, all of which lead to damage
in the optic nerve and progressive loss of vision. Exfoliation glaucoma is caused by the buildup of fibrous deposits on the surfaces on the front of the eye. Between 10-20% of people over the age of 60 are believed to have some degree of exfoliation ...
New study suggests Concord grape juice may provide protection against breast cancer
...by suppressing oxidative stress and inhibiting DNA damage
to cells that can lead to the initiation of cancer, or in helping to slow the progression of breast cancer by slowing the multiplication of cancer cells. Diets high in natural antioxidants have been associated with a reduced risk of some types of can...
Carnegie Mellon's Peter Adams receives EPA research grant
... years of studies showing that these particles can damage
the lungs and heart, advised the EPA that the previous daily standard of 65 micrograms per cubic meter of air was too loose. Adams will also base his particulate matter models on findings by Carnegie Mellon CAPS researchers Allen L. Robinson and Ne...
Sugar and spice and everything nice: Health differences in newborn girls and boys
...born female livers may result in greater metabolic damage
during ischemia. According to Quaglietta, the lead researcher, "These findings may offer a potential explanation for pediatric studies reporting worse outcome of recipients receiving livers from female donors."...
The 'female advantage' in kidney disease does not extend to diabetic women
...isease when diabetes is present. More severe renal damage
can be found when diabetes is present. Conclusion These findings suggest that sex hormones play a significant role in the development of diabetic kidney disease. According to Maric, "Our observations suggest that kidney disease in diabetic wome...
Taking a supplement of glycine helps prevent degenerative diseases such as arthrosis or osteoporosis
...gs), which only relieve pain but do not repair the damage
in the cartilage or influence the development of the disease. The work carried out by the scientist from the CMI shows that collagen has a unique structure with a right-handed triple superhelix in which the glycine represents a third of its residue...
American Chemical Society's Weekly PressPac -- Aug. 1, 2007
...diseased tissue, while minimizing side effects and damage
to healthy parts of the body, scientists are reporting development of a new dosing system that is controlled by light. The study is scheduled for the August 15 issue of the Journal of the American Chemical Society , a weekly journal. Colin P. McCo...
Link identified between Alzheimer's disease and glaucoma
...eloped a new technology for visualising nerve cell damage
in the retina, known as Detection of Apoptosing Re...bout what exactly causes the disease, which causes damage
to the optic nerve in the eye; although the disease is traditionally attributed to increased pressur...
New mechanism links smoking to lung damage
...ative stress, such as exposure to cigarette smoke, damage
cells in the lungs. Toxins in cigarette smoke, ...gests new ways to prevent smoking-related cellular damage
and possibly to put the brakes on other diseases tied to oxidative stress, including atherosclerosis...
Where broken DNA is repaired
...ion, toxic chemicals, and other agents continually damage
the body's DNA, threatening life and health: unrep...repair work happens "on the road" right where the damage
occurs or "in the shop" at specific regions of the nucleus is an unanswered question. That que...
Aggressive therapy best for certain AML patients
...s that show distinctive damage. The nature of that damage
helps doctors determine a patient's therapy and es...somes. These cells lack the microscopic chromosome damage
that guide therapy. In 1994, however, a team of researchers that included Bloomfield discovered t...
First case of successful ovarian tissue transplantation between two, nonidentical sisters
A woman, whose ovaries had failed due to damage
caused by chemotherapy and radiotherapy, has received a successful ovarian transplant from her genetically non-identical sister. The transplant restored her ovarian function, she started to menstruate and, after a year, doctors were able to recover t...
Screening for fragile skin
.... "The latter is the first step in managing both damage
to reputations and economic loss," former head of the Regional Veterinary Laboratory at EMAI, Dr Keith Walker, said. "The DNA test provides an avenue for genetically smarter breeding programs." The breed society is taking advantage of reduced rat...
Testing the force of a shark's bite
...s is to identify the shark species responsible for damage
to submarine cables and towed arrays. "Measurement of bite forces will help in testing and developing materials suitable for cabling and sensory equipment used in the marine environment." US shark biologist Dan Huber is working with the Australia...
Fish eyes could hold clue to repairing damaged retinas in humans
...d this month in the journal Stem Cells. Retinal damage
is responsible for the majority of cases of blindness. Diseases damaging the retina including macular degeneration, glaucoma and diabetes are responsible for three quarters of registered blindness in the UK(1). Researchers at the UCL Institute of ...
Scientists move closer to bio-engineered bladders
... in this model, the cells regenerate to repair the damage
- just as they would in the body. Pharmaceutical companies should soon be able to use the research models to test therapies for the bladder, but the longer term aim for this research is to help patients who have lost bladder function or have had a...
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