Brightsurf Science News & Current Events

November 19, 2004
Down Syndrome protein reduces tumor growth
Scientists have found that overexpression of a protein called Down Syndrome Critical Region 1 (DSCR-1) blocks the formation of new blood vessels and thus reduces tumor growth.

New protein structure may aid in design of therapeutics for autoimmune disease
Scientists have determined the crystal structure of a protein kinase C (PKC) isozyme, in this case the novel PKC family member PKC theta (PKCΘ).

UCSB researchers advance understanding of urinary tract infections
The bacterium E. coli is responsible for about 80 percent of human urinary tract infections.

New report offers recommendations to spur interdisciplinary research
Advances in science and engineering increasingly require the collaboration of scholars from various fields.

Rush University Medical Center testing magnetic stimulation for depression
Psychiatrists at Rush University Medical Center are testing a noninvasive technique that uses repeated short bursts of magnetic energy to stimulate nerve cells in the brain to treat major depression.

Chernobyl disaster caused cancer cases in Sweden
A statistically determined correlation between radioactive fallout from the Chernobyl accident and an increase in the number of cases of cancer in the exposed areas in Sweden is reported in a study by scientists at Linköping University, Örebro University, and the County Council of Västernorrland County.

Surgery without the scapel: U. Va. Health System marks fifteenth anniversary of Gamma knife
In 1989, when the University of Virginia Health System installed the first Gamma Knife neurosurgical instrument in Virginia, George H.

New bulls may revive the Texas state Bison Herd
Three young bison bulls donated by media tycoon Ted Turner from his New Mexico herd will be introduced into the Texas Bison Herd at the Caprock Canyon State Park next summer.

Hopkins Institute for Global Tobacco Control receives elite recognition from PAHO/WHO
The Johns Hopkins Bloomberg School of Public Health Institute for Global Tobacco Control received the honor of being named a PAHO/WHO tobacco control surveillance and evaluation collaborating center.

New sampling method to track HIV-risk behavior
An innovative sampling method, respondent-driven sampling (RDS), developed by Cornell University sociologist Douglas Heckathorn, has been adopted by the Centers for Disease Control (CDC) for recruiting and measuring HIV risk behaviors among injecting drug users in the 25 cities with the largest number of new AIDS cases.

Invasive sea squirt alive and well on Georges Bank
The invasive sea squirt that federal and university researchers discovered on Georges Bank a year ago is flourishing in U.S. waters near the U.S.-Canada boundary, a joint research team announced today following a research cruise that concluded last week.

Dec. 10-12 Japanese-American Frontiers of Science Meeting in Irvine, Calif.
The annual Japanese-American Frontiers of Science symposium, co-sponsored by the National Academy of Sciences and the Japan Society for the Promotion of Science, provides award-winning young scientists from the United States and Japan with the opportunity to interact and discuss their research.

Random gene activation helps ulcer bug escape immune system
The bacterium that causes ulcers and contributes to stomach cancers uses a clever interaction between two genes to randomly tighten and loosen its grip on the stomach, according to a study by researchers at Washington University School of Medicine in St.

NIH awards $540K for innovative web-based science curricula
Rice University's Center for Technology in Teaching and Learning has won a $540,000 NIH grant to train 1,200 middle school teachers in the use of MedMyst, a series of Web-based, problem-solving adventures in which kids have to track down the cause of a futuristic epidemic.

'Fatally flawed' legal analysis will not stand
Legal scholars advising the Alliance for Taxpayer Access quickly dismissed the faulty analysis made by the American Physiological Society's outside counsel suggesting the National Institutes of Health's public access plan will infringe copyright claims of grantees and publishers.

Wanted: Grade schoolers to tackle Mars' hostile environs
Kids with aspirations to build their own vehicles to explore the Red Planet have till Tuesday, Nov.

Pet scans detect brain differences in people at risk for Alzheimer's
Using brain imaging, researchers at Columbia University Medical Center (CUMC) have found clear differences in brain function between healthy people who carry a genetic risk factor for Alzheimer's disease and those who lack the factor.

Brain imaging study of drunk drivers pinpoints neurological changes
Imaging studies of the brain when it is under the influence of alcohol reveal that different areas of the brain are impaired under high and low levels of alcohol.

Good news about vitamin E
Don't toss out those vitamin E tablets just yet. Despite recent reports that show an association between high-dose vitamin E supplements and a higher overall risk of dying, about 40 percent of diabetic patients can REDUCE their risk of heart attacks and of dying by using the same vitamin.

The NIH funds network to study drug-induced liver injury (DILIN)
The National Institutes of Health (NIH) has launched a network of five clinical centers and a data coordinating center to conduct studies over the next three years of patients who have suffered severe liver injury because of both prescription and

Study examines nature and prevalence of errors in patient care
A University of Pennsylvania School of Nursing study provides the first detailed description of the nature and prevalence of errors by hospital staff nurses.

Space sentinels track desertification on Mediterranean shores
The severe droughts and forest fires of recent years underline Mediterranean Europe's continuing vulnerability to desertification - 300 000 square kilometres of territory are currently affected, threatening the livelihoods of 16.5 million Europeans.

Heart responds to fasting by remodeling vital energy-producing components
Researchers at Washington University School of Medicine in St. Louis have identified a previously unsuspected response by mouse heart muscle cells to fasting conditions: the cells' power generators, the mitochondria, appear to remodel and consume extra internal walls or membranes in an effort to supply energy to the rest of the cell.
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