Brightsurf Science News & Current Events

October 03, 2002
New approach to insulin treatment improves patients' lives
Training patients with diabetes to adjust their insulin doses to match their food choices, improves diabetes control and quality of life, finds a study in this week's BMJ.

Moderately high homocysteine tied to stroke, Alzheimer's risk
Moderate elevations of homocysteine are associated with a more than five-fold increase in the risk for stroke and almost triple the risk for Alzheimer's disease, according to research in the October issue of Stroke: Journal of the American Heart Association.

Cardiac MRI provides new 3-D images of beating heart
For Karen Pressley, Duke's new Cardiovascular Magnetic Resonance Center revealed critical details of her heart that could enable her to have an angioplasty.

Sequenced malaria genome exposes novel drug targets
The genectic code of the malaria parasite has been cracked and is already revealing novel drug targets that could lead to effective treatment of the disease.

Researchers successfully deliver drugs to the primate brainstem
Current drug treatments of brainstem tumors are largely unsuccessful, because the drugs often fail to bypass the blood vessel lining protecting the brainstem.

Rice bioengineers develop method to grow 3-D bone matrix
Researchers at Rice University's J.W. Cox Laboratory for Biomedical Engineering have developed a new technique that allows bone-forming cells to build a porous, 3-D bony matrix that's structurally similar to natural bone.

Aspirin does not reduce effectiveness of ACE inhibitors
A systematic review in this week's issue of The Lancet provides clarification for the debate about the use of angiotensin-converting-enzyme (ACE) inhibitors in combination with aspirin for the treatment of cardiovascular disease-combination therapy does not reduce the effect of ACE inhibition.

Pessimists more prone to post-stroke depression
It may be best to look on the bright side - at least when recovering from a stroke.

Texas A&M agriculturists set framework to safeguard food supply
Agricultural experts with Texas Cooperative Extension have created a process to help local jurisdictions across the nation assess the vulnerability of the food supply for terrorist attacks.

Research reveals how an acid dissolves, molecule by molecule
The most precise description ever obtained by experiment to describe how an acid compound dissolves, molecule by molecule, will be published in the 4 October 2002 issue of the journal Science.

UCR scientists contribute to study that will help formulate new ways to combat malaria
In the Oct. 4 issue of the journal Science, scientists report the sequencing of the complete genome of the major and most efficient vector of human malaria, Anopheles gambiae.

Researchers identify candidate vaccine for Sjögren syndrome
Researchers at The Hospital for Sick Children (HSC), Toronto Western Hospital and the University of Toronto (U of T) have identified the protein that triggers the autoimmune response in Sjögren syndrome, a prevalent autoimmune disease, as well as a candidate vaccine to treat this condition.

University quality not tied to public/private structure, governance
Public universities backed by state support increasingly compete with their private research counterparts that have large private endowments, according to a study released today by a group University of Florida researchers.

Small babies are more likely to be stressed adults
Small size at birth and slow growth in early childhood are associated with higher levels of psychological distress in adults, finds a study in this week's BMJ.

Opioids should be considered for relief of chronic lower back pain
Opioid analgesics (opioids), powerful pain relievers whose use has been hotly debated in the medical community, should be prescribed for some patients with chronic lower back pain, according to a Mayo Clinic article published in the September 2002 issue of
Researchers discover target for new anxiety-reducing drugs
Through the use of mouse models, Oregon Health & Science University researchers have located an enzyme linked to anxiety.

New physical activity opinion survey demonstrates perceptions do not meet reality
How accurate is self-assessment? That's the question the National Association for Sport and Physical Education (NASPE) is asking itself after recently commissioning an opinion survey of adults and teenagers about their perceptions of physical activity and physical education.

MIT breast cancer heat treatment begins final clinical trials
A breast cancer treatment based on MIT radar research has advanced to randomized clinical trials, the final phase of clinical testing.

University of Pittsburgh to lead first-ever NIMH-funded genetic study of anorexia nervosa
Researchers at the University of Pittsburgh School of Medicine have been chosen to lead the first-ever government-funded genetic study of anorexia nervosa.

Research: Deep sea basalt may help reveal volcanoes' impact on climate
By examining volcanic rocks retrieved from deep in the ocean, scientists have found they can estimate the carbon dioxide stored beneath much of the earth's surface - a development that could enhance understanding of how volcanoes affect climate.

Antibody may be risk factor for stroke in young women
Young women with a self-attacking antibody may have an increased stroke risk, according to the first study of its kind published in the October issue of Stroke: Journal of the American Heart Association.

Scientists at TSRI identify thousands of proteins associated with deadliest form of malaria
Two scientists at The Scripps Research Institute (TSRI) led a collaborative effort involving 18 researchers at half a dozen laboratories in the United States and Great Britain to determine the

Researchers to toast 'good' bacteria
Lactic acid bacteria (bacteria that ferment sugars into lactic acid) play an essential role in the production of wine, as well as such fermented foods as cheese, yogurt, pickles, sausage and salami.

Should we help to create disabled babies?
Should genetic tests be offered to couples seeking to have a child to allow them to select for disability?

Clot-busting stroke therapy appears safe for menstruating women
In emergency stroke treatment, the clot buster tissue plasminogen activator (tPA) can be safely given to women who are menstruating.

American Thoracic Society journal news tips for October (first issue)
Newsworthy October journal research features studies showing that exposure to house dust endotoxin is associated with a lower prevalence of allergic sensitization in school children; females are more cough sensitive than males; and if workers are exposed to dust and fumes on the job, they suffer from an increased risk of developing respiratory symptoms and asthma.

Tackling sexual violence
A Health and Human Rights article in this week's issue of The Lancet highlights the issue of sexual violence-within the context of the World Report on Violence and Health published this week-and calls for health professionals to play a leading role in identifying victims of sexual violence, especially as there is currently no evidence base for interventions to address this public-health issue.

Chemical switch determines if healthy cells are killed by chemotherapy
Investigators at Washington University School of Medicine in St. Louis have discovered a mechanism that helps explain why healthy cells are not killed by DNA-damaging cancer chemotherapy drugs.

Scientists at Scripps Research develop new technology to map spread of malarial drug resistance
Scientists at The Scripps Research Institute (TSRI), Harvard University and the Genomics Institute of the Novartis Research Foundation have found a way to use a relatively new but readily available technology to quickly detect markers in the DNA of the most deadly type of malaria pathogen.

Low dose radiation research grants awarded
The Department of Energy and the National Aeronautics and Space Administration have jointly funded six basic research projects intended to expand our understanding of the health effects of low doses of ionizing radiation.

Public calls on U.S. government to protect the world's coral reefs, new poll finds
The first nationwide survey on coral reef issues reports that Americans are concerned about the health of coral reefs.

Smoking during adolescence could increase risk of breast cancer
Authors of a Canadian study in this week's issue of The Lancet highlight the varying effects of smoking on the risk of breast cancer-adolescent women who smoke could be at an increased risk of breast cancer later in life compared with non-smokers.

Rutgers lead partner in $12.3m NSF math and science education grant
Rutgers, The State University of New Jersey, was awarded $12.3 million from the National Science Foundation to direct a program aimed at reforming mathematics and science instruction in 12 urban school districts throughout the state.

HHS announces contracts for developing a new anthrax vaccine
HHS Secretary Tommy G. Thompson today announced that NIAID has awarded two companies contracts designed to spur development of a new anthrax vaccine.

Household wealth increased in 2001, thanks to home values
While household income declined in 2001, household wealth increased, according to a study by the University of Michigan Institute for Social Research (ISR), the world's largest academic survey and research organization.

Men with prostate cancer want screening despite doubts over effectiveness of treatment
Most men with prostate cancer strongly advocate routine testing for prostate specific antigen (PSA), despite evidence that aggressive screening and treatment does not reduce deaths, according to two studies in this week's BMJ.

Parasite, mosquito genomes complete malaria picture
Genome sequences of Plasmodium falciparum, the most lethal malaria-causing parasite, and Anopheles gambiae, a mosquito that transmits the parasite to humans, are now complete, two international research teams announced today.

Child abuse found to be global problem, WHO review reveals
Contrary to what some health experts have believed, child abuse is a global problem that is essentially universal rather than one limited chiefly to North America, a first-of-its-kind new report shows.

Nurse intervention helps cardiac patients manage cholesterol
Patients who get follow-up care from a nurse after heart bypass surgery are more likely to control cholesterol and reduce risk of further disease, according to a study from The Johns Hopkins University School of Nursing.

North Atlantic swordfish stocks nearly recovered
Strong regulations backed by hard science played a significant part in the remarkable comeback of North Atlantic swordfish populations, which have largely recovered, according to the New York-based Wildlife Conservation Society (WCS).

Carnegie Mellon to showcase innovative technology for live internet broadcasts
Carnegie Mellon university researchers will use a new technology called End System Multicast (ESM) to transmit interactive audio and video to Internet viewers around the world Oct.

Chemical society's scholars program receives $100,000 boost from Procter & Gamble
Procter & Gamble provides $100,000 to support the American Chemical Society's Scholars Program, which helps academically gifted minority students with financial need pursue college studies related to the chemical sciences.

Fred Hutchinson oversees two grants of nearly $8 million to develop blood test for breast cancer
The Fred Hutchinson Cancer Research Center will oversee two major grants totaling nearly $8 million to develop a blood test that can be used in conjunction with mammography to improve early detection of breast cancer.

Suction and pull drive movement of Earth's plates, U-M researchers show
As anyone with a smattering of geological knowledge knows, Earth's crust is made up of plates that creep over the planet's surface at a rate of several inches per year.
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