Brightsurf Science News & Current Events

September 24, 2008
A prospective clinical diagnosis marker for digestive system cancer: nm23H1
The gene nm23H1 has been regarded as a metastasis-associated gene in various tumors.

Presidential debates are mostly positive and emphasize policy
Democrat Barack Obama and Republican John McCain are preparing for their first presidential debate this week.

USC: gamers play against type
Players of online role-playing games tend to be older and fitter than suggested by popular stereotypes, survey finds.

American kids most medicated
American children are approximately three times more likely to be prescribed psychotropic medication than children in Europe.

Researcher working on destruction of chemical weapons
America's war on terror includes fighting the dark side of deadly chemical agents, and Texas A&M University chemist Dr.

How to select anti-hepatitis B virus agents for drug-resistance patients?
Chronic hepatitis B virus (HBV) infection remains a global public health problem.

Plastic Surgery 2008 to showcase future of plastic surgery
From innovative facial reanimation procedures that restore patients' ability to smile to new data suggesting it may be safe and effective to use fat injections to enhance breast reconstruction results, the latest research, procedures, and technologies will be presented at Plastic Surgery 2008, the annual scientific meeting of the American Society of Plastic Surgeons.

Potential treatment option for severe emphysema under study
Emory University researchers are participating in a nationwide study to explore an investigational treatment for advanced widespread emphysema.

Agricultural engineer suggests low-energy alternative to high-temperature grain drying
An Ohio State University agricultural engineer, Robert Hansen, suggests the use of low-energy grain drying to offset rising energy costs and improve grain quality.

Research finds split in perception of similarity that could double Web advertising
A study by psychology researchers at the University of Warwick has found a radical 50/50 split in how people decide

Out of Iraq emerges hope for those with the severest of head injuries
There may be more hope than has been recognized for some people with severe brain injuries, according to a US neurosurgeon who earlier this year spent four months in Iraq treating soldiers and civilians.

How Dendroaspis natriuretic peptide regulates gastric motility
Dendroaspis natriuretic peptide is a recently isolated peptide that contains 38 amino residues and shares structural and functional properties with the other members of the natriuretic peptide family.

Video game to help meet new high school graduation requirements
Researchers at North Carolina State University are harnessing the power of video games to foster the development of science and IT skills in North Carolina high school students while helping them fulfill a new state graduation requirement.

LOH analysis on 4q in sporadic colorectal carcinoma
By high resolution deletion mapping, two high frequency regions of loss of heterozygosity (4q12-21.1 and 4q25-31.1) were detected.

Variety of foods -- the key for child nutrition
The study published online in the British Journal of Nutrition, looked at a nationally representative sample of children aged 4-18 years who took part in the National Diet and Nutrition Survey.

New life found in ancient tombs
Life has been discovered in the barren depths of Rome's ancient tombs, proving catacombs are not just a resting place for the dead.

Weak bladders deter many young women from sports participation
A weak bladder is putting many young women off participating in sport, or prompting them to give it up altogether, suggests research published ahead of print in the British Journal of Sports Medicine.

Balancing the brain
Neuroscientists at Children's Hospital Boston have identified the first known

Which is more accurate on diagnosis of rectal carcinoma?
The preoperative staging of rectal carcinoma is very important in planning appropriate therapy and determining prognosis.

Scientist plans to test for blood pressure genes affected by age
A geneticist at the University of Texas Health Science Center at Houston plans to scan the genomes of about 4,000 people in the hopes of finding out why blood pressure often increases as young adults age.

Cochlear implants in children a safe procedure
In the six decades since French and American surgeons implanted the first cochlear hearing devices, the procedure in children has become reliable, safe, and relatively free of severe complications, according to research presented during the 2008 American Academy of Otolaryngology-Head and Neck Surgery Foundation Annual Meeting & OTO EXPO, in Chicago, Ill.

How to choose the optimal surgical procedure in patients with sigmoid volvulus?
Although the diagnosis of sigmoid volvulus is not difficult, there is much debate on the optimal surgical management in an acute situation.

A promising anti-cancer compound
Apoptin is a protein encoded by the chicken anemia virus and can cause apoptotic cell death.

Pine bark beetles affecting more than forests
Pine bark beetles appear to be doing more than killing large swaths of forests in the Rocky Mountains.

Open cancer surgery set to become a thing of the past
The surgeon's knife is playing an ever smaller role in the treatment of cancer, as it is replaced by increasingly efficient and safe radiation therapy techniques.

2 novel histone deacetylase inhibitors against human pancreatic cancer: NVP-LBH589 and NVP-LAQ824
Pancreatic cancer is a deadly malignancy. A research group from Germany investigated two novel histone deacetylase inhibitors in the experimental setting.

Is CA19-9 a good marker of pancreatic cancer?
Early diagnosis of pancreatic cancer is difficult. CA19-9 is the most widely used pancreatic cancer serum markers.

Probiotic bacteria can induce monocyte-derived dendritic cells maturation?
Probiotic bacteria are defined as living microorganisms that have beneficial effects on human health.

The small cell neuroendocrine carcinoma of the ampulla of vater
The Small cell neuroendocrine carcinoma of the ampulla of vater is an extremely rare malignant tumor and different from the common adenocarcinoma.

Researchers find animal with ability to survive climate change
Researchers at Queen's University Belfast have found that the main source of food for many fish -- including cod -- in the North Atlantic appears to adapt in order to survive climate change.

Not a moment to lose in therapy for acute stroke
In an editorial response to a report in the Sep.

An effective strategy for inhibition of cirrhosis
Hepatic fibrosis is associated with a number of morphological and biochemical changes leading to structural and metabolic abnormalities in the liver.

After the first decade of metagenomics -- adolescent growth spurt anticipated
Ten years after the term was coined, metagenomics is going mainstream and already paying provocative dividends in the areas of energy and environment, according to a

Coming soon: Self-guided, computer-based depression treatment
Depression is a problem that could affect astronauts during long-duration spaceflights.

What's the difference between a liberal and conservative?
Political conservatives operate out of a fear of chaos and absence of order while political liberals operate out of a fear of emptiness, a new study finds.

How to diagnose biliary atresia with ultrasonic technique?
The presence of the triangular cord at the porta hepatis was specific.

Why kidneys from older donors do not last as long as those from younger individuals
Kidneys from older donors often do not survive long after transplantation because of certain structural dysfunctions that can occur as the kidney ages, according to a study appearing in the January 2009 issue of the Journal of the American Society Nephrology.

What are the clinical features of ineffective esophageal motility?
This study investigated relationships between symptoms of patients with ineffective esophageal motility and their esophageal function.

Great bustards to be released on Salisbury Plain
Researchers at the University of Bath and conservationists from the Great Bustard Group will be releasing 19 birds on Salisbury Plain on Thursday, Sep.

Swiss Institute of Bioinformatics announces major breakthrough
This new protein encyclopedia looks at life as it is really organized in our body at the molecular level.

Detecting human activities through barriers
Doppler radar signals become animation.

Researchers identify novel mechanism to reduce nervous system inflammation
Researchers at Georgetown University Medical Center have discovered a new way to limit inflammation caused by the activation of microglia -- key immune cells in the brain.

How to treat abdominal compartment syndrome in acute pancreatitis?
Severe acute pancreatitis is a serious disease that tends to cause intra-abdominal hypertension and organ dysfunction, which referred to abdominal compartment syndrome.

Robotic surgery lowers risk of a rare but serious complication of gastric bypass
The use of a robot to assist with the most commonly performed weight-loss surgery appears to significantly lower a patient's risk of developing a rare but serious complication, according to a study published in the most recent edition of the Journal of Robotic Surgery.

What to do with leftover embryos in fertility clinics?
The majority of infertility patients are in favor of using left-over embryos for stem cell research and would also support selling left-over embryos to other couples, according to a survey conducted by UIC's Dr.

A novel therapy for bleeding gastric varices
Gastric varices have been increasingly recognized as a major cause of gastrointestinal bleeding in patients with portal hypertension.

New studies find global warming will have significant economic impacts on Florida coasts
Leading Florida-based scientific researchers released two new studies today, including a Florida State University report finding that climate change will cause significant impacts on Florida's coastlines and economy due to increased sea level rise.

Swiss Institute of Bioinformatics celebrates 10th birthday by presenting major gifts to human health
The Swiss Institute of Bioinformatics has produced a groundbreaking encyclopedic knowledge that captures all that is known about the functions and interaction of the full set of human proteins.

American Heart Association calls on presidential candidates
The American Heart Association today unveiled six principles on health care reform as the presidential candidates begin a series of debates, the first scheduled for Friday, Sep.

Young women w/ early form of breast cancer no more likely to experience recurrence than older women
Young women with DCIS, a common form of early breast cancer that arises in and is confined to the mammary ducts, are presumed more likely to have recurrences than older women with the same diagnosis.

What is the relationship between serum folate/vitamin B12 and MTHFR C677T genotype?
MTHFR is a key enzyme that regulates entry of folate into the methylation cycle.

International Field Campaign examines impact of beetle kill on Rocky Mountain weather, air quality
By killing large swaths of forests in the Rocky Mountains, mountain pine beetles may be altering local weather patterns and air quality.

Katrina doctor, Anna Pou, M.D., to lead discussion on disaster medicine preparedness, ethics
Anna Pou, M.D., known nationally for her heroic efforts in patient care during the aftermath of Hurricane Katrina in 2005, will lead a discussion on emergency preparedness and disaster medicine, plus the need for establishing ethical guidelines and legislative protections for health care professionals.

Is 'bone death' of the jaw the next health epidemic facing seniors?
Despite little publicity surrounding the ailment, seniors may be facing an emerging epidemic in the form of bisphosphonate osteonecrosis, a debilitating ailment of the jawbone that patients are predisposed to, through common treatments for the more well-known ailment osteoporosis.

Age alone should not be used to determine whether to treat prostate cancer with hormones
Concerns regarding the association of hormone therapy used to treat prostate cancer with cardiovascular disease in some older men may lead doctors to forgo hormone treatment solely on the basis of age.

Taking the next step toward advanced artificial limbs
Worcester Polytechnic Institute will receive $1 million in federal and state grants to advance the critical development of neuroprosthetics, artificial limbs that may one day perform most of the functions of natural limbs.

Molecular imaging technology used in gastric cancer
The optimal method for assessing early recurrence in patients with gastric cancer is unknown.

NIH's Genes, Environment and Health Initiative adds 6 studies
The Genes, Environment and Health Initiative of the National Institutes of Health today awarded grants, estimated to be up to $5.5 million over two years for six studies aimed at finding genetic factors that influence the risks for stroke, glaucoma, high blood pressure, prostate cancer and other common disorders.

Neuroscientist reveals how nonconformists achieve success
In a new book,

How does ellagic acid exert anti-cancer effect on pancreatic cancer cells?
A research group from the University of California Los Angeles investigated the anti-cancer properties of ellagic acid.

The hibernating stellar magnet
Astronomers have discovered a most bizarre celestial object that emitted 40 visible-light flashes before disappearing again.

CU-Boulder study suggests air quality regulations miss key pollutants
A new study led by the University of Colorado at Boulder reveals that air quality regulations may not effectively target a large source of fine, organic particle pollutants that contribute to hazy skies and poor air quality over the Los Angeles region.

Researchers note differences between people and animals on calorie restriction
Calorie restriction, a diet that is low in calories and high in nutrition, may not be as effective at extending life in people as it is in rodents, according to scientists at Washington University School of Medicine in St.

Tobacco companies paid movie stars millions in celebrity endorsement deals
Tobacco companies paid the Hollywood A-listers of the 1930s and 1940s millions of dollars in today's money to endorse particular brands of cigarette, under contract, reveals research in Tobacco Control.

Black Americans are at higher risk for colon polyps
New study published in the Journal of the American Medical Association finds blacks who receive colon cancer screening are more likely to have serious polyps, compared to whites, and are therefore likely to benefit from more intensive screening.

Cloud radar -- predicting the weather more accurately
The weather. It's the one topic of conversation that unites Britain -- umbrella or sun cream?

Fishy diet in early infancy cuts eczema risk
An infant diet that includes fish before the age of 9 months curbs the risk of developing eczema, indicates research published ahead of print in the Archives of Disease in Childhood.

Potential biologic markers of cholangiocarcinoma
A team led by Dr. Hong-Yang Wang from the Second Military Medical University of China found that down-regulated expression of E-cadherin and P120 occurred frequently in cholangiocarcinoma and contributed to the development of tumor.

Electron give-and-take lets molecules shine individually on camera
A single fluorescent molecule flashing as it gains or loses its electron has made the microscopic spotlight.

Chronic infection most common cause of adult tonsillectomy
Efforts to fill in holes in data regarding the primary causes of tonsillectomy in adults have determined that chronic infection is the most common reason for the procedure, according to new research presented at the 2008 American Academy of Otolaryngology-Head and Neck Surgery Foundation Annual Meeting & OTO EXPO, in Chicago, Ill.

Geisinger study: Increasing health care value improves health care quality
Finding better ways to deliver health care to patients is key to ensuring that Medicare is able to meet the needs of the nation's baby boomers according to a new paper by Geisinger Health System published in Health Affairs.

Successful construction of eukaryotic plasmids containing HBV C genotype
The researchers constructed Hepatitis B virus recombinant plasmids, which can be expressed efficiently in eukaryotic cells.

Caffeine experts at Johns Hopkins call for warning labels for energy drinks
Johns Hopkins scientists who have spent decades researching the effects of caffeine report that a slew of caffeinated energy drinks now on the market should carry prominent labels that note caffeine doses and warn of potential health risks for consumers.

Researchers study acoustic communication in deep-sea fish
An international research team studying sound production in deep-sea fishes has found that cusk-eels use several sets of muscles to produce sound that plays a prominent role in male mating calls.

Cancer patients who receive neoadjuvant therapy followed by mastectomy may not need radiation
Early-stage breast cancer patients who exhibit limited lymph node involvement may not require post-surgery radiation therapy when they receive neoadjuvant chemotherapy before a mastectomy, according to researchers from the University of Texas M.

Tobacco movie industry ties traced to Hollywood's early years in Stanford/UCSF study
Today's movie industry still draws on those images to justify smoking in movies -- even as public health experts call for smoking to be eliminated from youth-rated films.

Springer survey uncovers additional facts on eBooks use
A survey conducted by Springer Science+Business Media, the world's largest science, technology and medical book publisher, in conjunction with five leading academic institutions, highlights prominent research and academic usage of eBooks.

Simple, inexpensive and objective tools for the assessment of mucosal inflammation: fecal markers
Currently, the most reliable method to assess intestinal inflammation is endoscopy with biopsy.

Unraveling 'math dyslexia'
Research at the University of Western Ontario in London, Canada could change the way we view math difficulties and how we assist children who face those problems.

USP releases first certified reference material
The U.S Pharmacopeial Convention is pleased to announce the release of its first Certified Reference Material, Dextromethorphan hydrobromide.

Liraglutide improves glucose control and increases weight loss in type 2 diabetes patients
Liraglutide, a new treatment for type 2 diabetes, improves blood glucose control compared with a conventional oral treatment glimepiride.

Side effects severely underreported in ENT medical journals
Harms and adverse events (untoward side effects of surgery or medicine) have been under-reported or poorly described at an alarming low rate by the publishing authors in the four leading otolaryngology medical journals, according to new research presented at the 2008 American Academy of Otolaryngology-Head and Neck Surgery Foundation Annual Meeting & OTO EXPO, in Chicago, Ill.

NSF funds new 'Center for the Physics of Living Cells' at Illinois
The National Science Foundation announced this month that it is funding a new Physics Frontiers Center at the University of Illinois at Urbana-Champaign.

CO2 emissions booming, shifting east, researchers report
Despite widespread concern about climate change, annual carbon dioxide emissions from burning fossil fuels and manufacturing cement have grown 38 percent since 1992, from 6.1 billion tons of carbon to 8.5 billion tons in 2007.

Independent brain pathways generate positive or negative reappraisals of emotional events
Scientists now have a better understanding of how the human brain orchestrates the sophisticated pathways involved in the regulation of emotions.

Personality can hamper a physician's assessment of depression
A physician's personality can affect practice behavior in inquiries about patient mood symptoms and the diagnosis of depression, according to a study led by University of Rochester Medical Center researchers.

Biological sand filters, a practical approach to combat poverty and inequality
Microbiologically contaminated water plagues approximately 1.1 billion people in rural and peri-urban populations in developing countries.

Severe climate change costs forecast for Pennsylvania, N.C., Tennessee, N.D.
The economic impact of climate change will cost a number of US states billions of dollars, and delaying action will raise the price tag, concludes the latest series of reports produced by the University of Maryland's Center for Integrative Environmental Research.

New research shows why metal alloys degrade
Metal alloys can fail unexpectedly in a wide range of applications -- from jet engines to satellites to cell phones -- and new research from the University of Michigan helps to explain why.

Study shows radiation device may customize therapy, enable some to avoid more lengthy treatment
A study of the first approximately 100 patients who have received partial breast irradiation with a small, whisk-like, expandable device inserted inside the breast has shown that after one year, the device is effective at sparing nearby healthy tissue from the effects of radiation.

Understanding the cycle of violence
Researchers have long known that children who grow up in an aggressive or violent household are more likely to become violent or aggressive in future relationships but the developmental link has been unclear.

Working environment is 1 cause of rheumatoid arthritis
It has long been known that environmental factors play a part in the development of rheumatoid arthritis; smoking and drinking alcohol, along with heredity, are particularly instrumental in increasing the risk of the disease.

Vegetation hardly affected by extreme flood events
Extreme flood events in floodplain grasslands affect carabid beetles and molluscs more than plants.

Mayo Clinic announces 2008 Distinguished Alumni awardees
Andrew Engel, M.D., Roland Moskowitz, M.D., Peter Pairolero, M.D., and Robert Wallace, M.D., received the 2008 Mayo Clinic Distinguished Alumni Award.

Mapping the neuron-behavior link in Rett Syndrome
A link between certain behaviors and the lack of the protein associated with Rett Syndrome -- a devastating autism spectrum disorder -- demonstrates the importance of MeCP2 (the protein) and reveals never-before recognized functions associated with aggression and obesity, said researchers at Baylor College of Medicine in a report in the current issue of the journal Neuron.

What is the clinical features of primary aortoenteric fistula?
A primary aortoenteric fistula (PAEF), defined as a communication between the native aorta and the gastrointestinal tract.

UCI receives $5.4M to study large-scale computer networks
If your Facebook page -- or

Quantum measurements, precisely
The European Science Foundation's new EUROCORES (European Collaborative Research Scheme) program EuroQUASAR -- European Quantum Standards and Metrology -- could lead to crucial developments in time-keeping and scientific measurement.

Low sensitivity of clinical signatures
Genomic signature sequences used by clinical researchers to detect, quantify and diagnose nucleic acid sequences are not inclusive enough.

Researchers find an essential gene for forming ears of corn
Cold Spring Harbor Laboratory professor David Jackson, Ph.D., and a team of plant geneticists have identified a gene called sparse inflorescence1, or spi1, that is essential in controlling development of the maize plant.

New University of Leicester study probes impact of CSI-style programming on jurors
Research assesses how attitudes and expectations may impact on jurors' decision-making in a courtroom.

On the move: Personality influences migration patterns
The results suggest that personality traits determine not only where people relocate to, but also how often they move and how far away they move.

CAPHOSOL(R) unveils positive final data
New data show that CAPHOSOL(R) significantly limits the occurrence and severity of oral mucositis in cancer patients undergoing chemotherapy and radiation therapy.

Selective deletion of Rett syndrome gene provides insight into origin of complex behaviors
A new study describes an exciting approach for mapping the specific neuronal origins of complex and varied behaviors characteristic of Rett syndrome, an autism spectrum disorder.

New journal edition focuses on patient outcomes, quality of care
The American Heart Association launches its fifth new specialty journal, which focuses on outcomes and quality of care.

A child dies every 3 seconds, a mother every minute
In a comment published early online and later this week in the print edition of the Lancet, the Prime Ministers of Norway and the Netherlands, and the presidents of Tanzania and the World Bank, discuss the finance issues that surround the attempts to attain the Millennium Development Goals on Maternal and Child Mortality.
Brightsurf.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.