Brightsurf Science News & Current Events

February 09, 2010
Semifinalists named for Global Venture Challenge 2010
Student teams from 22 universities have been selected to advance to the semifinal round of the 2010 Global Venture Challenge hosted March 25-26 by the US Department of Energy's Oak Ridge National Laboratory.

Geriatric Orthopaedic Surgery & Rehabilitation new journal launched by SAGE
Geriatric Orthopaedic Surgery & Rehabilitation is a new bimonthly journal being launched in September 2010 by SAGE, the world's leading independent academic and professional publisher.

Researchers discover new way to kill pediatric brain tumors
Researchers have identified a previously unrecognized target, a protein called STAT3, at which they can aim new drugs for the treatment of cancer in neurofibromatosis-1 (NF1), a genetic condition that causes increased risk of benign and malignant brain tumors.

Basque Country University researcher studies atom to atom cement
Two thousand years after the Romans invented cement, this material is still the most commonly used in construction throughout the world.

Lactobacillus improves Helicobacter pylori infected gastritis
A research team from China isolated two stomach originated lactobacillus strains, and screened their potential anti-Helicobacter pylori (H. pylori) activity and anti-inflammatory effects on mouse model of H. pylori-associated Balb/c gastritis.

Which intestinal metapasia is closer with gastric cancer? Simple or atypical?
The classification of intestinal metapasia (IM) is confusing. A research group in China observed IM in gastric biopsies and divided IM into simple IM (SIM) and atypical IM (AIM).

Denosumab offers breakthrough in treatment of rare type of brain tumor
Denosumab, a targeted therapy to prevent bone loss, stops progressive bone destruction and tumor spread in some patients with inoperable giant-cell tumor of bone.

Adapting to clogged airways makes common pathogen resist powerful drugs
Mutations of a common environmental pathogen that causes chronic lung disease in patients with cystic fibrosis are able to survive in oxygen-poor, nitrate-rich airway secretions.

Certain genetic profiles associated with recurrence-free survival for non-small cell lung cancer
An analysis of genetic and clinical data for nearly 800 patients with non-small cell lung cancer has identified differences in genetic characteristics that are associated with age and sex specific patterns of increased or decreased recurrence-free survival, according to a study in the Feb.

Single gene mutation induces endometrial cancer
A mutation in a single gene can cause endometrial cancer that is responsive to a specific drug therapy, researchers at UT Southwestern Medical Center have found in an animal study.

Questions remain on bariatric surgery for adolescents
Laparoscopic adjustable gastric banding surgery can effectively treat obesity in adolescents and seems to offer a better alternative than gastric bypass surgery, but further study is needed to determine whether it's better than nonsurgical options, a UT Southwestern Medical Center surgeon writes.

Obese teens who receive gastric banding achieve significant weight loss
A higher percentage of severely obese adolescents who received laparoscopic adjustable gastric banding lost more than 50 percent of excess weight and experienced greater benefits to health and quality of life compared to those in an intensive lifestyle management program, according to a study in the Feb.

A common cholesterol drug fights cataracts, too
A broad new study from Dr. Gabriel Chodick of Tel Aviv University confirms that statins, often prescribed to lower cholesterol levels, also cuts the risks of cataracts in men by almost 40 percent.

Urbanization, export crops drive deforestation
The drivers of tropical deforestation have shifted in the early 21st century to hinge on growth of cities and the globalized agricultural trade, a new large-scale study concludes.

Comprehensive study using bioinformatics predicts the molecular causes of many genetic diseases
It is widely known that genetic mutations cause disease. What are largely unknown are the mechanisms by which these mutations wreak havoc at the molecular level, giving rise to clinically observable symptoms in patients.

SNM's Conjoint Mid-Winter Meetings continue to advance molecular imaging
Educators, researchers, physicians, technologists and medical experts from across the country converged on Albuquerque, N.M., last week to explore topics in nuclear medicine, molecular imaging, nanomedicine and clinical trials during SNM's 2010 Conjoint Mid-Winter Meetings.

Cells can read damaged DNA without missing a beat
Under certain growth-limiting conditions, enzymes that read DNA can skim through damaged DNA without skipping any letters in the genetic

High prevalence of AF found among cross-country skiers
At this year's Birkebeiner ski marathon, 12,000 cross-country skiers will line up for the 54 kilometres race, run almost every year since 1932.

New finding of the expression of Helicobacter pylori in Chilean patients
Helicobacter pylori (H. pylori) colonize the human stomach and present genetic mechanisms to evade the host immune response allowing their persistence in this habitat for years.

Is hepatitis B virus genotype C independently associated with cirrhosis?
Chronic hepatitis B virus (HBV) infection is the most important risk factor of liver cirrhosis in HBV endemic areas.

Neuroimaging study may pave way for effective Alzheimer's treatments
Scientists have determined that a new instrument known as PIB-PET is effective in detecting deposits of amyloid-beta protein plaques in the brains of living people, and that these deposits are predictive of who will develop Alzheimer's disease.

New research reveals burglars have changed their 'shopping list'
Research being undertaken at the University of Leicester highlights a career change for criminals from the more traditional household burglaries to personal muggings.

March/April 2010 GSA Bulletin Highlights
GSA Bulletin spans the globe, from the Greater Caucasus Mountains separating Azerbaijan and Georgia from Russia; to the Altyn Tagh fault zone, Bohai Bay Basin, Yangtze craton, and Tian Shan of China; the collision zone between India and the Himalaya; the Southern Uplands of Scotland; and on to the western U.S., covering central Idaho, Mammoth Mountain and Long Valley caldera, California, the King Lear Formation, Nevada, the Grand Canyon, and the Fountain Formation of Colorado.

A useful tool to diagnose primary biliary cirrhosis
A research team from United States evaluated the potential application of IgM and IgG immunohistochemistry (IHC) in the setting of autoimmune liver diseases, especially in the differential diagnosis of primary biliary cirrhosis (PBC) from other conditions -- autoimmune hepatitis (AIH), or primary sclerosing cholangitis (PSC).

Depression and lack of concentration do not necessarily go together
A recent review has found that depression does not always lead to memory problems or difficulties concentrating.

Barcelona becomes part of a worldwide research on tuberculosis
The Tuberculosis Trials Consortium conducts research about the diagnosis, medical treatment, and prevention of tuberculosis infection and disease.

Brain scans track hoop fans' happy memories
In a novel study that used historical tape of a thrilling overtime basketball game between Duke and the University of North Carolina at Chapel Hill, brain researchers at Duke have found that fans remember the good things their team did much better than the bad.

Lymphoma Research Foundation announces publication of Mantle Cell report
Highlights from the Lymphoma Research Foundation 2009 Mantle Cell Lymphoma Consortium Scientific Workshop will be published in the March 2010 issue of Leukemia & Lymphoma.

Mescal 'worm' test shows DNA leaks into preservatives
University of Guelph research team use the Mexican liquor mescal (the one with the worm) to prove that the DNA of a preserved specimen can be obtained from the preservative liquid.

From lawyer to novelist: an alumna's amazing journey
Kim Thuy Ly, a Université de Montréal graduate, has reinvented herself several times since fleeing her native Vietnam in 1978.

SAGE to publish the Journal of Histochemistry & Cytochemistry
SAGE has partnered with the Histochemical Society to publish its official journal, the Journal of Histochemistry & Cytochemistry, beginning with volume 59 in 2011.

Helicobacter pylori and EBV in gastric carcinomas
Mechanisms of gastric carcinogenesis are still not yet understood. Studies have linked genetic and epigenetic factors or microbiological agents to gastric cancer, but they didn't look for these events together.

38 percent of world's surface in danger of desertification
A team of Spanish researchers has measured the degradation of the planet's soil using the Life Cycle Assessment, a scientific methodology that analyses the environmental impact of human activities, and which now for the first time includes indicators on desertification.

Study identifies factors associated with growth of fetus in first trimester and subsequent outcomes
Factors such as maternal high blood pressure and high hematocrit levels (the proportion of blood that consists of red blood cells) are associated with a greater likelihood of restricted fetal growth during the first trimester, with restricted growth linked to an increased risk of preterm birth and low birth weight, according to a study in the Feb.

Caltech researchers develop nanoscale structures with superior mechanical properties
Researchers at Caltech have developed a way to make some notoriously brittle materials ductile -- yet stronger than ever -- simply by reducing their size.

IQ among strongest predictors of CVD -- second only to cigarette smoking in large population study
While lower intelligence scores have been associated with a raised risk of cardiovascular disease, no study has so far compared the relative strength of this association with other established risk factors.

The Glass Cliff: Female representation in politics and business
How can women succeed in business and politics when encountering

2010 HSR Impact Award recognizes surgical safety research
AcademyHealth today recognized research that improves patient safety and surgical outcomes with the 2010 Health Services Research Impact Award.

Feeling blue? You'll shun the new
A negative mood imparts a warm glow to the familiar.

Studies unclear on role of pre-surgery beta blockers
It's not unusual for patients to suffer a cardiac event before surgery, and in theory, beta blockers will reduce the risk by relieving stress on the heart.

Tulane receives $15 million NIH contract to develop vaccine and treatment for deadly fever
The National Institute of Allergies and Infectious Diseases, part of the National Institutes of Health, has awarded a five-year contract totaling $15,254,919 to Tulane University for its ongoing efforts to treat and prevent Lassa fever, an often deadly viral disease that threatens hundreds of thousands of people annually in West Africa and is classified as a potential bioterrorism threat.

Handling emergencies online
Online social networking sites could solve many problems plaguing information dissemination and communications when disaster strikes, according to a report from US researchers in a recent issue of the International Journal of Emergency Management.

What was that? Unraveling a 400-million-year-old mystery
Contradictions and puzzles surround the giant fossil Prototaxites. Since the first fossil of Prototaxites was described in 1859, researchers have hypothesized that these organisms were giant algae, fungi, or lichens.

Multicenter study finds little effect of soy isoflavones on bone loss in postmenopausal women
Results from a new multicenter clinical trial of 224 postmenopausal women questions the value of consuming soy isoflavone tablets to help lessen bone loss and minimize the effect of osteoporosis.

Molecular pathways linked to sex, age affect outcomes in lung cancer
The biology of lung cancer differs from one patient to the next, depending on age and sex, according to scientists at Duke University Medical Center.

UH Case Medical Center researchers publish promising findings for advanced cervical cancer
Researchers at the Ireland Cancer Center of University Hospitals Case Medical Center, have published new findings that may lead to a new standard of care for patients with locally advanced cervical cancer.

Drinking milk during pregnancy may lower baby's risk of MS
Drinking milk during pregnancy may help reduce your baby's chances of developing multiple sclerosis as an adult, according to a preliminary study released today that will be presented at the American Academy of Neurology's 62nd Annual Meeting in Toronto April 10-17, 2010.

Office of Naval Research to expand international science and technology partnership
The Office of Naval Research reached an agreement to establish an ONR Global liaison office in Prague, Czech Republic, on Feb.

Study: End-of-life care must reflect patient wishes and values
An analysis of more than a quarter-million hospital admissions of nursing home residents indicates that the decision to use feeding tubes is more a matter of hospital practice than patient preference.

Early life stress may predict cardiovascular disease
Early life stress could be a risk factor for cardiovascular disease in adulthood, researchers report.

WPI, Colorado School of Mines found Center for Sustainable Metals Recovery and Recycling
With National Science Foundation support, Worcester Polytechnic Institute and Colorado School of Mines have established the Center for Resource Recovery and Recycling, the nation's first research center dedicated to developing new technologies for maximizing the recovery and recycling of metals used in manufactured products and structures.

Patients with advanced dementia more likely to receive feeding tube at larger, for-profit hospitals
Despite being of questionable benefit for patients with advanced dementia, new research finds that hospitals with certain characteristics, such as those that are larger or for-profit, are more likely to have a higher rate of feeding tube placement, according to a study in the Feb.

New UC Davis study: Climate 'tipping points' may arrive without warning, says top forecaster
A new University of California, Davis, study by a top ecological forecaster says it is harder than experts thought to predict when sudden shifts in Earth's natural systems will occur -- a worrisome finding for scientists trying to identify the tipping points that could push climate change into an irreparable global disaster.

The biggest loser: Maternal obesity puts a load on her offspring that lasts a lifetime
As if there are not enough reasons for obese people to lose weight, a research report recently published online in the FASEB Journal, adds several more.

High-performance microring resonator developed by INRS researchers
A new, more efficient low-cost microring resonator for high speed telecommunications systems has been developed and tested by Professor Roberto Morandotti's INRS team in collaboration with Canadian, American, and Australian researchers.

Low forms of cyclin E reduce breast cancer drug's effectiveness
Overexpression of low-molecular-weight (LMW-E) forms of the protein cyclin E renders the aromatase inhibitor letrozole ineffective among women with estrogen-receptor-positive (ER+) breast cancers, researchers from the University of Texas M.

Predicting effectiveness of flu vaccination campaigns
The Journal Vaccine publishes novel modeling approach for influenza pandemics.

2 research projects at the Montreal Heart Institute receive $4.8M in financing
Two research teams led by Dr. Christine Des Rosiers and Dr.

Watch your step: Elevator-related injuries and older adults
In the first large-scale epidemiological study of elevator-related injuries in older adults in the United States, researchers from the Indiana University School of Medicine report in January 2010 issue of the Journal of Trauma on the frequency, nature and opportunities for prevention of these injuries.

Research could lead to way to halt deadly immune response
Scientists have published new details of their research into the complement reaction, an immune system response that kills thousands annually.

Helicobacter pylori babA2 relates with atrophic gastritis in Costa Rica
A research team from Costa Rica and Japan evaluated the prevalence of Helicobacter pylori (H. pylori) babA2, babB and a recombinant gene between babA2 and babB (babA2/B), and their role in the development of atrophic gastritis in Costa Rican and Japanese clinical isolates.

Resistant wheat goes for the gut to protect against Hessian flies
Resistant wheat plants stave off attacks by Hessian fly larvae by essentially destroying the fly's midgut and its ability to absorb nutrients, according to a study by Purdue University and the US Department of Agriculture.

Role-playing games improve the attitude of secondary students towards physical education
The practice of these games can make exercise and healthy life habits more attractive for teenagers, according to a study carried out at the University of Granada.

Communication breakdown: what happens to nerve cells in Parkinson's disease
A new study from The Montreal Neurological Institute and Hospital -- the Neuro -- at McGill University is the first to discover a molecular link between Parkinson's disease and defects in the ability of nerve cells to communicate.

A new 3-D map of the interstellar gas within 300 parsecs from the sun
Astronomy & Astrophysics is publishing new 3-D maps of the interstellar gas in the local area around our sun.

Young patients with chronic illnesses find relief in acupuncture
Doctors at Rush University Medical Center are offering pediatric patients diagnosed with chronic illnesses acupuncture therapy to help ease the pain and negative side effects like nausea, fatigue and vomiting caused by chronic health conditions and intensive treatments.

Great tits: birds with character
An important part of individual differences within species is due to variation in the underlying genes.
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