Brightsurf Science News & Current Events

May 22, 2008
Premature tooth loss can affect oral health for years to come
According to a study published in the March/April 2008 issue of General Dentistry, the AGD's clinical, peer-reviewed journal, parents and caretakers more often than not do not know what to do with a traumatically affected tooth and do not take proper steps to respond to the injury, which can affect their child's oral health permanently.

U of A device to measure wind on Mars will soon be landing
A University of Alberta scientist is counting down the days for when the Phoenix Mars Lander spacecraft lands on Mars.

Anti-HIV drugs reduce the cause of some forms of vision loss
A potential new therapeutic use for anti-HIV drugs known as protease inhibitors in limiting the vision loss that often follows retinal detachment has been suggested by researchers studying the effects of the drugs in a mouse model of the condition.

New statistical method reveals surprises about our ancestry
A statistical approach to studying genetic variation promises to shed new light on the history of human migration.

Metagenomics of skin reveals insights into the human microbiome
A report, published online in Genome Research, describes the investigation of healthy human skin for microbiota diversity and establishes the basis for determining a core microbiome.

Study finds it pays to be heart smart if considering hormone therapy
A research study has found that a simple blood test may indicate whether post-menopausal hormone therapies present an elevated risk of a heart attack.

Stabilizing cancer-fighting p53 can also shield a metastasis-promoter
Efforts to protect the tumor-suppressor p53 could just as easily shelter a mutant version of the protein, causing cancer cells to thrive and spread rather than die, according to research by scientists at the University of Texas M.

Scorched Earth millenium map shows 'fire scars'
A geographer from the University of Leicester has produced for the first time a map of the scorched Earth for every year since the turn of the millennium.

2008 L'Oreal USA Fellowships for Women in Science awarded to 5 groundbreaking researchers
The L'Oreal USA Fellowships for Women in Science are awarded to five groundbreaking researchers.

Hubble, Keck images show continued turbulence in Jupiter's atmosphere
The first images of Jupiter since it came out from behind the sun show that the turbulence and storms that have plagued the planet for the past two years continue.

Experimental agent blocks prostate cancer in animal study
An experimental drug has blocked the progression of prostate cancer in an animal model with an aggressive form of the disease, new research shows.

Kent State awarded more than $14M to study liquid crystals and soft matter
Kent State University will lead a partnership of eight northeast Ohio entities in a $14.5 million Ohio Research Scholars Program project to establish a Research Cluster on Surfaces in Advanced Materials.

Hs and OHs in the spotlight
Dutch researcher Mark van der Loo has investigated the influence of light on the behavior of small molecules, and has calculated the effect of light for several types of molecules.

The global challenge of diabetes
The lead editorial in this week's Diabetes Special Issue of the Lancet address the spiralling epidemic of the disease.

Clinical investigation meets computer simulation to analyze risk factor of heart disease
German researchers at the Charité - Universitätsmedizin Berlin and the Max-Delbrück-Center Berlin have developed a novel, computer-based strategy to study plasma lipoprotein profiles considered a major predictor of cardiovascular disease.

Nitrogen retained through loss
The nitrogen cycle plays a major role in seagrass fields.

Real-time observation of the DNA-repair mechanism
For the first time, researchers at Delft University of Technology have witnessed the spontaneous repair of damage to DNA molecules in real time.

Genetic variation affects brain region dysfunctional in schizophrenia
New data have indicated that in healthy individuals, variation in a gene known as AKT1 affects the structure and function of part of the brain that is dysfunctional in individuals with schizophrenia.

Scientists reveal the lifestyle evolution of wild marine bacteria
Marine bacteria in the wild organize into lifestyle groups that partition resources rather than competing for them, so that microbes with one lifestyle, such as free-floating cells, flourish in proximity with related microbes that may spend life attached to zooplankton or algae.

JDRF announces 2008 Spring Research Review Award
The Juvenile Diabetes Research Foundation recently awarded its top honors to three noted scientists.

Reducing blockage fails to improve access to the bloodstream for kidney dialysis
Reducing early blockages in bloodstream access for kidney failure treatment does not increase the likelihood that the access will function adequately for long-term treatments, according to a study funded by the National Institutes of Health.

High blood pressure patients advised to use home monitors
People with hypertension should routinely monitor their blood pressure at home to help manage the disease, according to a new joint scientific statement from the American Heart Association, American Society of Hypertension and the Preventive Cardiovascular Nurses' Association.

Beneficial and harmful effects of succinobucol need further investigation
Succinobucol should not be used for treating patients with acute coronary syndromes or for treating or preventing diabetes until a number of both beneficial and harmful outcomes connected with its use have been further investigated.

Over 50 percent of oceanic shark species threatened with extinction
The first study to determine the global threat status of 21 species of wide-ranging oceanic pelagic sharks and rays reveals serious overfishing and recommends key steps that governments can take to safeguard populations.

Diet and exercise interventions over 6 years can prevent or delay diabetes for 14 years
Group-based diet and exercise lifestyle interventions over six years can prevent or delay diabetes for up to 14 years after the intervention period.

OHSU discovery may lead to early cancer detection
This week researchers in the Oregon Health & Science University Oregon Stem Cell Center and the OHSU Digestive Health Center are shining a new ray of hope on patients with pancreatic cancer.

TU Delft robot Flame walks like a human
Researcher Daan Hobbelen of TU Delft has developed a new, highly-advanced walking robot: Flame.

Unlocking the promise of clinical and translational science
The emerging field of clinical and translational science provides the bridging force that transforms lab discoveries into customized, patient-specific therapy.

New research: Fruit juice consumption not related to overweight in children
Despite studies that assert otherwise, 100 percent fruit juice consumption is not related to overweight in children, according to the authors of

Will polyclinics deliver real benefits to patients?
Government proposals to establish polyclinics are intended to reshape NHS services, but will they deliver the more patient centred care they propose, or do they risk becoming an expensive mistake?

Phoenix mission to Mars will search for climate clues
The search for life on Mars enters a new phase May 25 with the scheduled landing of a NASA Phoenix Mission spacecraft on the Red Planet's northern plains.

Study finds unique HIV vaccine formula elicits strong immune responses
Today, Advanced BioScience Laboratories, Inc. and the University of Massachusetts Medical School report that their unique HIV vaccine formulation was effective in eliciting strong and balanced immune responses in healthy human volunteers.

Tips from the Journals of the American Society for Microbiology
The following are tips from the Journals of the American Society for Microbiology:

Escalating arms race between virus and host pits shuffling viruses against microbial silencers
In the constant warfare between viruses and their hosts, escalation can be rapid.

U of T research supports Ontario ban on cigarette displays
New research from the Ontario Tobacco Research Unit at the University of Toronto shows that consumers have been bombarded by extensive tobacco promotion at point of sale.

At the synapse: Gene may shed light on neurological disorders
In our brains, where millions of signals move across a network of neurons like runners in a relay race, all the critical baton passes take place at synapses.

New family of gecko discovered by researchers from the U of Minnesota and Villanova University
Researchers at the University of Minnesota's Bell Museum of Natural History and Pennsylvania's Villanova University have discovered a new family of gecko, the charismatic large-eyed lizard popularized by car insurance commercials.

Pacific coast turning more acidic
An international team of scientists surveying the waters of the continental shelf off the West Coast of North America has discovered for the first time high levels of acidified ocean water within 20 miles of the shoreline, raising concern for marine ecosystems from Canada to Mexico.

Temporary dentures improve patients' smiles and overall health
As people begin to realize how their appearance may influence their social life, many are turning to alternative methods to perfect their smile.

Fixing the education digital disconnect one video game at a time
On Thursday, May 22, 2008, the Federation of American Scientists will launch Immune Attack, an exciting, fun and fast-moving video game that teaches the critical scientific facts of immunology.

First of its kind study compares high school knee injuries by sport and gender
Knee injuries, among the most economically costly sports injuries, are the leading cause of high school sports-related surgeries according to a study conducted at the Center for Injury Research and Policy of the Research Institute at Nationwide Children's Hospital and published in the June issue of The American Journal of Sports Medicine.

Oral HRT more than doubles the risk of blood clots
Hormone replacement therapy given in skin patches may cause fewer blood clots than HRT given orally, according to a report published online today.

Oregano oil works as well as synthetic insecticides to tackle common beetle pest
New research in the Society of Chemical Industry's Journal of the Science of Food and Agriculture shows that oregano oil works as well as synthetic insecticides to combat infestation by a common beetle, Rhizoppertha dominica, found in stored cereals.

Foot-dragging Mars rover finds Yellowstone-like hot spring deposits
A mineral-scouting camera designed at ASU pointed scientists toward an ancient Martian hydrothermal system like those in Yellowstone National Park.

Taking care of business shouldn't be just for men
Studies reveal that in the dog-eat-dog, look-out-for-No. 1, highly competitive business world, only the aggressive, risk-taking alpha male can expect to succeed as an entrepreneur.

2 Rutgers College of Nursing Ph.D. students to receive FNSNA Fellowships
The Foundation of the National Student Nurses' Association awarded its $7,500 Promise of Nursing for New Jersey Regional Faculty Fellowships to two Rutgers College of Nursing doctoral students, Donna Ho-Shing and Stephanie Turrise.

Licorice extract provides new treatment option for canker sores
Commonly referred to as canker sores, recurrent aphthous ulcers now can be treated by an extract in licorice root herbal extract, according to a study published in the March/April 2008 issue of General Dentistry, the Academy of General Dentistry's clinical, peer-reviewed journal.

Study identifies food-related clock in the brain
In investigating the intricacies of the body's biological rhythms, scientists at Beth Israel Deaconess Medical Center have discovered the existence of a

Understanding autumn rain decline in SE Australia
Fluctuations in sea-surface temperatures to the north of Australia and changes in atmospheric circulation patterns over the sub-tropical Indian Ocean have been identified as key factors leading to declining rainfalls in southeastern Australia since 1950.

Major 'missed' biochemical pathway emerges as important in virtually all cells
Researchers at Duke University Medical Center have published a study in Science that provides compelling evidence that the nitric oxide system in cells is very broad-based and important, resembling in its essence the much-studied system of phosphorylation.

JCI table of contents: May 22, 2008
This release contains summaries, links to PDFs, and contact information for the following newsworthy papers to be published May 22, 2008, in the JCI: Anti-HIV drugs reduce the cause of some forms of vision loss; What identifies cancer cells causing relapse and metastasis?

No link between antidepressants and birth defects
Expectant mothers can safely use prescribed antidepressants during their first trimester, according to a new study from the Université de Montréal and Ste.

AECOM, Rice, UH to help modernize Libya's housing, infrastructure
Houston mayor Bill White, Rice University, the University of Houston and AECOM Technology Corp. today announced a collaborative program to train Libyan engineers to build and maintain homes, roads and water systems in their homeland.

More intensive dialysis does not improve outcomes among patients with acute kidney injury
No significant difference in death rates or other outcomes was found between a group of patients with acute kidney injury that received intensive dialysis and another group that received a more standard regimen of dialysis, according to a joint Department of Veterans Affairs and National Institutes of Health study published in the June issue of the New England Journal of Medicine.

Early intensive insulin therapy in newly diagnosed type 2 diabetes patients improves glucose control
Early intensive insulin therapy in patients with newly diagnosed type 2 diabetes can help the body's insulin-producing β-cells recover and restore blood glucose control.

Enzyme for ubiquitin-dependent protein degradation linked to cellular senescence
A new study identifies a pivotal role for the CUL7 E3 ubiquitin ligase in growth control.

Oocyte-specific gene mutations cause premature ovarian failure
Mutations in a gene called FIGLA cause premature ovarian failure in at least a percentage of women who suffer from the disorder, said researchers from Baylor College of Medicine in Houston and Shandong University in China in a report that appears online today in the American Journal of Human Genetics.

More patients with drug-coated cardiac stents survive, avoid costly follow-up procedures
Patients with drug-coated stents are less apt to die, have heart attacks or require extra stents or bypass surgery in the two years following placement of the stent, compared to those who receive bare metal stents, according to University of Pennsylvania School of Medicine research that will be published in the May 27 issue of the Journal of the American College of Cardiology

High school girls who consider themselves attractive are more likely to be targets for bullying
University of Alberta researcher Lindsey Leenaars found high school females who viewed themselves as attractive had a 35 percent higher risk of being indirectly victimized.

NJIT hosts world leaders for open source software conference tomorrow
The world's leading theorists and practitioners of secure distributed file system -- a type of open source software -- will explain tomorrow morning the future of this important technology at NJIT.

Special diabetes care package for UK Asian population delivers some benefits
A special diabetes care package for UK residents of south Asian ethnic origin has delivered some benefits -- but stricter targets in general practice and further measures to motivate patients are needed to reduce the impact of diabetes in this population.

Researchers explore the emerging role of infection in Alzheimer's disease
The realization that pathogens can produce slowly progressive chronic diseases has opened new lines of research into Alzheimer's disease.

Surge in insulin-dependent diabetes among Finnish children
Levels of type 1 (insulin dependent) diabetes among Finnish children have more than doubled in the past 25 years, with the increase set to continue.

New report on telehealth says market is expected to grow over next few years
The Home Telehealth and Remote Patient Monitoring market is currently close to a $5.6 billion level and will continue to grow at close to 70 percent for at least the next three to five years, according to a new strategic report published by Insight and Intelligence, a Mary Ann Liebert company.

What identifies cancer cells causing relapse and metastasis? Not CD133
New data, generated by analysis of human colon cancer cells and mice, have shed doubt on the recently proposed designation of the protein CD133 as a marker of colon cancer stem cells -- a term given to the small number of cells within a colon cancer that are thought to be able to give rise to a new tumor and that therefore are responsible for tumor recurrence and metastasis.

A trial of removing food additives should be considered for hyperactive children
A properly supervised trial eliminating colours and preservatives from the diet of hyperactive children should considered a part of the standard treatment, says an editorial in this week's BMJ.

Anti-rejection drug may increase risk of diabetes after kidney transplant
For patients undergoing kidney transplantation, treatment with the anti-rejection drug sirolimus may lead to an increased risk of diabetes, reports a study in the July Journal of the American Society of Nephrology.
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