Tag: "loss" at biology news
American Chemical Society's Weekly PressPac -- Aug. 8, 2007
... monthly journal. Such surgery corrects the vision loss
that occurs when the lens of the eye becomes cloud...d well-established procedure to correct the vision loss
from a cataract. In about 25 percent of cases, however, the back portion of the capsule eventually b...
Beyond batteries: Storing power in a sheet of paper
..., folded, or cut into any number of shapes with no loss
of mechanical integrity or efficiency. The paper batteries can also be stacked, like a ream of printer paper, to boost the total power output. Its essentially a regular piece of paper, but its made in a very intelligent way, said paper co-author Ro...
Protein 'chatter' linked to cancer activation
...reakage syndrome experience an accelerated rate of loss
of DNA from chromosome ends. We didnt know why this happens; now we have found that the communication link between these proteins and a protein crucial for maintenance of chromosome ends is either missing or nonfunctional in these patients. Zhu fu...
Doernbecher Children's Hospital scientist earns coveted Javits award
...e easily killed by low blood flowto the brain. The loss
of these oligo-cells results in failure to makethe myelin required for normal brain function. Progress in preventing this brain injury has been slow, Back says,because of the lack of animal models to test therapies for the complexforms of brain inj...
deCODE discovers cause of major subtype of glaucoma
... 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 syndrome, and perhaps more than half of ...
Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
...e that actually fuels future climate change. The loss
of permafrost usually means the loss
of terra firma in an otherwise often boggy landscape, Turetsky said. Roads, buildings and whole comm...
New molecular regulators of hyperthyroidism and goiter
...result in hyperthyroidism (characterized by weight loss
because the body increases the amount of energy it burns) and goiter. Signals downstream of the receptor for TSH had been thought to be mediated mainly by a protein complex known as Gs. But now, a study that appears online on August 9, in advance o...
JCI table of contents: Aug. 9, 2007
...result in hyperthyroidism (characterized by weight loss
because the body increases the amount of energy it...est killers in this region. It is characterized by loss
of the muscle cells of the heart (cardiomyocytes). Although this loss
is generally considered to occ...
Conventional plowing is 'skinning our agricultural fields'
...isking, is far more sustainable, he said. "Soil loss
through conventional agriculture is in a range of 10 to 100 times greater than the rate at which soil is created. No-till agriculture brings it into the ballpark, surprisingly close to being balanced with soil creation," he said. Montgomery looked...
Study suggests estrogen deficiency can lead to obesity-induced high blood pressure after menopause
...this study performed in aged rats suggest that the loss
of estrogens after menopause may contribute to the development of obesity and hypertension, opening new therapeutic approaches to postmenopausal hypertension. ...
Satellite tracking reveals threats to Borneo pygmy elephants
...eo, are under threat from forest fragmentation and loss
of habitat. Borneo pygmy elephants depend for their survival on forests situated on flat, low lands and in river valleys, the study found. Unfortunately, it is also the type of terrain preferred for commercial plantations. Over the past four decad...
Grapes, soy and kudzu blunt some menopausal side effects
...e that dietary grape seed polyphenols blunt memory loss
and hypertension in an animal model. Study 2: Soy and Hypertension Previous studies from the Wyss lab indicate that polyphenols in soy diets protect against hypertension in estrogen-depleted/ovariectomized rats. Specifically, they have found that...
Other highlights in the Aug. 7 JNCI
...ost common epigenetic change in Wilms tumor is the loss
of imprinting of the IGF2 gene. In this case, loss
of imprinting means the copy of IGF2 that you get from your mother (which is usually turned off) is ...
Indo-Pacific coral reefs disappearing more rapidly than expected
...rst regional-scale and long-term analysis of coral loss
in the region, where relatively little was known a...cross the entire Indo-Pacific indicates that coral loss
is a global phenomenon, likely due in part to large-scale stressors such as climate change. But for ...
Space-borne sensors help Africa tackle water shortage problems
...ties to determine the expansion of urban areas and loss
of forest and agricultural areas as well as calculate the risk of erosion, change in water availability and percentage of surface water, which will allow for early flood warnings. The land cover change maps will help the government look at past tr...
Altering a protein makes mice less fearful
A University of Iowa study shows that loss
or chemical inhibition of a protein, known as acid... climbed onto the beaker. The team showed that the loss
of ASIC1a did not affect the mouse's sense of smell. "These lab animals have never been exposed to...
Penn researchers discover pathway that eliminates genetic defects in red blood cells
... in Southeast Asia and is a major a cause of fetal loss
and disease in adults. Specifically in this study they show how far the ribosome has to read into the RNA to trigger destabilization of the protein. Several surveillance pathways have been identified over the last few years that recognize specific ...
After a decades-long search, scientists identify new genetic risk factors for multiple sclerosis
...udies. MS typically causes limb weakness, vision loss
and problems with coordination, and is the most common disabling neurological disorder of young adults. It's an autoimmune disease, occurring when the body's immune system mistakenly attacks a protective sheath around axons the delicate cables that...
Smithsonian's National Zoo researchers use electronic eggs to help save threatened species
...s diet. Wild populations are threatened by habitat loss
and poaching for their meat and feathers. Only the National Zoo and eight other institutions in the world have successfully bred kori bustards in captivity. There are four adult kori bustards on display at the National Zoo, which may be seen by vi...
JCI table of contents -- July 26, 2007
...injury can damage spinal cord tissue and result in loss
of functions such as mobility or feeling. In a stu...ical to the process that causes spinal cord tissue loss
after acute cord injury, and as such are a potential target in the therapy of spinal cord injuries. ...
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