Brightsurf Science News & Current Events

July 20, 2004
Research shows aspirin therapy didn't work in almost half of stroke patients studied
Northwestern Memorial researchers have found that nearly half of patients who suffered a stroke or transient ischemic attack (TIA) after having been committed to aspirin therapy were

Scientific publications: Time for change
Changes in scientific publishing are

Aging population, longer survival with disease magnify heart failure 'epidemic'
Heart failure is the leading cause of hospitalization among persons 65 and older, and admissions for its symptoms have increased by 155 percent over the last 20 years.

Mild cigarettes offer 'no advantage' to heavy smokers - Japanese study
Japanese smokers who believe that consuming 'light' or 'mild' cigarette brands will substantially reduce their nicotine intake are being misled, according to an article published today in BMC Public Health.

New research reveals binge drinking initiated by religious Anglicans in 1660s
As David Blunkett claims a rise in binge drinking is helping to breed a culture of 'thuggery and intimidation' new research from the University of Warwick reveals that rather than originating the 1960s binge drinking was rife in the 1660s.

Drug prevents chemotherapy-induced hearing loss, study finds
A drug used to treat people with Tylenol poisoning prevents hearing loss caused by a common chemotherapy drug, an Oregon Health & Science University study reports.

Heat and exercise alone may not determine how much we sweat
Fine tuning your loss of body fluids may be more problematical now that researchers find receptors have an active role in our sweat rate.

Common therapy for HIV associated with cervical abnormality regression
Among women infected with human immunodeficiency virus (HIV), a combination of antiretroviral drugs that helps boost the immune system is associated with the regression of a type of cervical abnormality that can eventually lead to cancer, according to a study in the July 21 issue of the Journal of the National Cancer Institute.

Mediterranean sun seekers should thank Antarctica
Europeans who enjoy sunning themselves on the shores of the Mediterranean should thank Antarctica for their good fortune.

Highlights of Washington University Alzheimer's Research at National Conference
Stress appears to increase the severity of Alzheimer's disease. That's just one of over 40 new findings from studies led by researchers at Washington University School of Medicine in St.

A pathway to blocking autoimmunity
By reprogramming cells in the immune system, a team of scientists led by a Howard Hughes Medical Institute international research scholar from Hungary has found a way to boost production of natural killer T cells.

Heart failure incidence remains stable; survival increases
The incidence of heart failure did not decline over the last two decades of the 20th Century, but survival after the onset of heart failure increased overall, with less improvement among women and the elderly, according to a study in the July 21 issue of The Journal of the American Medical Association (JAMA).

From orchards and fields to townhouses and offices
As land in California that was once farmland becomes more and more developed, plant pathologists are charged with trying to find ways to smooth the coexistence of non-farmers and the agricultural industry.

The debate over acetaminophen and acute liver failure
Acetaminophen overdose causes more than 450 deaths due to acute liver failure each year in the United States and this number appears to be on the rise.

University team probes Twin Towers safety
Researchers from the University of Ulster are to take part in an international safety project that aims to interview more than 2,000 survivors of the World Trade Center terrorist attacks.

Why some neonates need caffeine
We know they need it - but how it works on the newborn is the subject of a new research study.

Tufts professor launches program to mentor deaf students in state-of-the-art physics research
Tufts University Physics Professor Peggy Cebe is mentoring four deaf students working this summer in her research laboratory.

Female & black legislators more likely than others to prioritize children's health
When it comes to new proposals to protect children's health at the state level, women and African Americans serving in legislatures are far more likely than other legislators to put forth new bills -- but the issue doesn't appear to rank high on legislatures' overall priority list, a new study finds.

Coronary artery bypass surgery not a risk factor for dementia
A study conducted by Mayo Clinic found that fears surrounding a connection between coronary artery bypass surgery (CABG) and dementia are unwarranted.

West Nile takes its toll on rare bird
West Nile virus has become a widespread human health concern, yet little attention is given to the grave situation facing certain wildlife species dying from the deadly disease, says a University of Alberta scientist.

Antibiotics gain strength with natural compound
More and more common antibiotics are losing their effectiveness because they are used too often, allowing bacteria to develop resistance to the drugs.

High-dose chemotherapy not superior to conventional chemotherapy in high-risk breast cancer patients
A randomized trial has found that breast cancer patients with four or more positive lymph nodes who receive high-dose chemotherapy with a stem cell transplant have similar survival rates to those who receive conventional chemotherapy.

The Cochrane Library newsletter, Issue 3, 2004
The Cochrane Library, Issue 3, 2004 was published this week by John Wiley & Sons, Inc.

Brain imaging techniques sharpen focus on Alzheimer's
Imaging techniques such as PET and MRI are near to becoming useful in diagnosing Alzheimer's disease earlier and distinguishing it from other types of dementia, according to research reported today at the 9th International Conference on Alzheimer's Disease and Related Disorders (ICAD), presented by the Alzheimer's Association.

Patterning the face
Vertebrates come in a dazzling array of shapes and sizes, from blue whales to pygmy bats, their overt morphology determined largely by the skeleton.

International opinion-leaders provide most recent perspectives
Earlier diagnosis and more aggressive treatment of Immune-Mediated Inflammatory Disorders (I.M.I.D.), such as rheumatoid arthritis, multiple sclerosis and Crohn's disease, may offer the opportunity to prevent some of the more severe manifestations, as well as the progression of these diseases.

Visiting dental researcher at Case invents new technology
Young Jin Jeon, a visiting assistant professor at the Case Western Reserve University School of Dental Medicine and an orthodontist from Pusan National University in Korea, developed a new grid device during his yearlong residency at Case that will help orthodontists accurately place and guide the newly approved mini-orthoscrews without damaging the teeth.

How wounds heal - Clues from flies
Published this week online in PLoS Biology, Michael Galko and Mark Krasnow of Stanford University turned to the quintessential genetics organism, Drosophila melanogaster, to create a novel system for studying wound healing.

Risk of suicidal behavior similar among users of different antidepressant drugs
The risk of suicidal behavior is increased in the first month after starting antidepressants, and is similar among users of four antidepressant drugs, according to a study in the July 21 issue of The Journal of the American Medical Association (JAMA).

University of Pittsburgh medical center among first to implant heart assist device
The University of Pittsburgh Medical Center successfully implanted the Heartmate XVETM Left Ventricular Assist System in a patient on Friday, July 2.

Study yields insights into precancerous condition
A study in the July 2004 issue of the medical journal Cancer Cell provides scientists with new insights into a rare genetic disorder known as Peutz-Jeghers Syndrome (PJS), and suggests that a class of drugs called mTOR inhibitors may be useful for the treatment of the condition, which has been linked to cancers of the gastrointestinal tract, lung, breast, uterus and ovaries.

Young children capable of reporting on their own health
An analysis conducted by Anne Riley, PhD, associate professor with the Department of Health Policy and Management at the Johns Hopkins Bloomberg School of Public Health, concluded that children, even those as young as age six, can adequately understand and accurately report on their own health.

Statin drug improves cholesterol levels and reduces arterial wall thickness among certain children
Two years of therapy with the cholesterol-lowering drug pravastatin induced significant regression of carotid artery wall thickness, and significantly reduced

Research clarifies role of LR11 receptor in Alzheimer's disease
Emory University scientists are using a combination of transgenic mouse models and viral vectors to clarify the role of a brain molecule called LR11 in Alzheimer's disease (AD).

ESA's high-energy observatories spot doughnut-shaped cloud with a black-hole filling
Using ESA's Integral and XMM-Newton observatories, an international team of astronomers has found more evidence that massive black holes are surrounded by a doughnut-shaped gas cloud, called a torus.

NRH1 and Wnt signaling come together in convergent extension
A number of genes involved in the regulation of convergent extension have been identified in amphibians and other vertebrates, such as zebrafish, but the picture of the underlying molecular mechanisms remains incomplete.

HIV reveals evolution of a primate defense against intragenomic infiltrators
Published this week on-line in PLoS Biology, Sara Sawyer, Michael Emerman, and Harmit Malik investigate the genetic roots of the battle for evolutionary advantage between HIV-type viruses and the hosts they infect.  What they find is surprising.

Scientists fear new drugs and genetic doping
Can doping athletes be stopped? With the Athens Olympics about to open, scientists are increasingly concerned that sophisticated techniques for evading drug tests will make it difficult for testers to catch athletes using steroids and other drugs, especially at future athletic competitions when genetic-based enhancements are expected to be prevalent.

Study examines effects of state-mandated reimbursement for clinical trials
Enrollment in phase II, but not in randomized phase III, cancer clinical trials increased at a greater rate in states that mandated reimbursement for routine medical costs for trial participants than in states without these policies, according to a new study that appears in the July 21 issue of the Journal of the National Cancer Institute.

New Martian meteorite found in Antarctica
Scientists from the U.S. Antarctic Seach for Meteorites Program (ANSMET) have found a new specimen of Martian rock in Antarctica.

Aging HIV patients may be at risk for dementia, study shows
Aging HIV patients whose infection has not evolved into full-blown AIDS may be at risk for developing a chronic dementia similar to Alzheimer's disease, according to researchers at the San Francisco Veterans Affairs Medical Center and UCSF.

Bladder-sparing treatment shows promise against cancer, maintains quality of life, UMHS study finds
A new pilot study by University of Michigan Health System researchers found combining radiation therapy and the chemotherapy drug gemcitabine may effectively treat bladder cancer without toxic reactions, while allowing many patients to preserve their bladder.

Scientists describe the world's smallest, lightest fish
Scientists in San Diego have described the earth's smallest, lightest animal with a backbone.

Mapping the evolution of a virus
A University of California scientist working at Los Alamos National Laboratory with collaborators from the University of Cambridge (England) and the World Health Organization National Influenza Center at Erasmus Medical Center, (Rotterdam, Netherlands) have developed a computer modeling method for mapping the evolution of the influenza virus.

Other highlights in the July 21 JNCI
Other highlights in the July 21 JNCI include an evaluation of the reliability of information in the SEER database, an analysis of how false positives affect participant adherence to a screening trial, a study of breast-feeding and breast cancer risk in BRCA mutation carriers, and an investigation of a possible method by which tamoxifen can promote endometrial cancer.

Workforce achievements celebrated at NASA Marshall Center Awards ceremony
The Marshall Center recognized its workforce for achievements and contributions to America's space program at its annual NASA Honor Awards ceremony Tuesday.

Alzheimer's, cardiovascular disease share risk factors
Higher levels of

Tony Blair launches UK's new global AIDS strategy
The UK Prime Minister Tony Blair launched the UK's new strategy for tackling HIV and AIDS in the developing world.

Researchers develop better understanding of immune response to viral infection
An appropriate response by the immune system to viral infection is absolutely critical for survival.
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