Brightsurf Science News & Current Events

July 14, 2003
Scientists find gene that protects against potato blight
Scouring the genome of a wild Mexican potato, scientists have discovered a gene that protects potatoes against late blight, the devastating disease that caused the Irish potato famine.

Researchers discuss trend in customized nutrition recommendations
A panel of six experts presented the opportunities and challenges regarding the development of customized nutrition recommendations for individuals and population groups during a symposium, Tailoring Food Choices to Improve Health: What Role will the Food Industry Play? at the Institute of Food Technologists' annual meeting.

Antibiotic treatment without diagnosis for patients with a sore throat is not cost-effective
The traditional throat culture remains the most cost-effective method to diagnose a strep throat infection, researchers at Beth Israel Deaconess Medical Center (BIDMC) and the Medical College of Wisconsin have found in a study published in the July 15 edition of the Annals of Internal Medicine.

Cyclacel's biomarker technology shows that CYC202 induces cancer cells to commit suicide
Cyclacel Limited, the UK-based biopharmaceutical company, reported today that it demonstrated through state-of-the-art biomarker technology that CYC202 (R-roscovitine), its lead CDK inhibitor drug candidate, appears to induce cancer cell suicide or apoptosis in patients receiving the drug.

Physics and medicine in San Diego
A barium shield to protect the fetus during CT scans, better pictures for treating bad blood vessels are among the papers being presented at this meeting of physicists who work in the medical field.

Brain stem cells are not rejected when transplanted
For the first time scientists have shown that brain stem cells are immune privileged, which means that they are invisible to a transplant recipient's immune system and do not trigger the immune system to reject them.

Common antioxidant may decrease risk of breast cancer
Researchers believe that higher total cysteine levels may be associated with a lower risk of breast cancer, according to a study presented today at the 94th Annual Meeting of the American Association for Cancer Research (AACR).

Lose it or lose it
There was a striking association in women between being overweight at 70 and developing Alzheimer's disease (AD) ten to 18 years later, according to a study, supported in part by the Alzheimer's Association, in the July 14 issue of the Archives of Internal Medicine.

Biologists find unexpected rapid evolution in Caribbean lizards
Biologists at Washington University in St. Louis have documented unprecedented levels of speciation and diversification in Caribbean Anolis lizards.

International meeting on the Southern Ocean
Over 80 experts from around the world will meet next week (14-16 July) to discuss the Southern Ocean surrounding Antarctica.

Study: Couric's colonoscopy caused cross-country climb in colon cancer checks
When Katie Couric had a colonoscopy live on national television in March 2000, she did more than raise public awareness of the colon-cancer screening test -- she also raised by 20 percent the rate at which Americans signed up to get their own colons checked, a new study finds.

Clerical workers show more stress signs than executives
Clerical workers show more signs of biological stress during the work day than those in executive or more senior positions, according to a new British study.

Drug combination extends survival in mesothelioma
Patients with pleural mesothelioma live longer and have less pain and shortness of breath when treated with a combination of cisplatin and pemetrexed.

U.S. - FSU Partnering Models
The CRDF will highlight grants programs and activities that build on the broad support for all disciplines of science and technology throughout the former Soviet Union.

Sexual harassment on sitcoms not so funny, researcher says
Sexual jokes, suggestive glances, and other forms of gender and sexual harassment may be funny to writers, producers and viewers of workplace-based situation comedies, but Penn State researcher Beth Montemurro says they are far from a laughing matter.

Brain calcium sensor reflects cognitive deficits of Alzheimer's disease
A protein that senses changes in calcium levels can be used to estimate the extent of cognitive deficits caused by toxic amyloid peptides found in Alzheimer brains, researchers at the Gladstone Institute of Neurological Disease (GIND) and the University of California have discovered.

Revised guidelines will ease selection of HIV/AIDS treatments
A new update of the U.S. Department of Health and Human Services (DHHS) Guidelines for the Use of Antiretroviral Agents in HIV-Infected Adults and Adolescents will make it easier for clinicians and HIV-infected individuals to select an appropriate treatment regimen from among the expanding choices of anti-HIV medications.

New approach for halting liver tumors' blood supply shrinks tumors and extends survival in mice
Researchers at the Duke Comprehensive Cancer Center have demonstrated a new way to target and choke off the blood supply to cancerous liver tumors in mice.

Stanford researchers study alcohol, nicotine, Donepezil effects on pilots
Researchers at Stanford University Medical Center and the Veterans Affairs Palo Alto Health Care System have found that pilots who take nicotine or an Alzheimer's disease drug called donepezil fly better than those in a control group, while those who have consumed alcohol are impaired when flying.

Sandia researchers use quantum dots as a new approach to solid-state lighting
In a different approach to creating white light several researchers at the Department of Energy's (DOE) Sandia National Laboratories have developed the first solid-state white light-emitting device using quantum dots.

Theory can help disable terrorists' messages
An electrical engineer at Washington University in St. Louis has devised a theory that sets the limits for the amount of data that can be hidden in a system and then provides guidelines for how to store data and decode it.

Satellites see lightning strikes in ozone's origins
During summertime ozone near the Earth's surface forms in most major U.S. cities when sunlight and heat mix with car exhaust and other pollution, causing health officials to issue

Changing how America deals with living and dying
UC Davis Medical Center today was named a Circle of Life Award winner.

UT Southwestern researchers define regions of human genes highly prone to mutation
UT Southwestern Medical Center at Dallas researchers have taken the first step in defining the sites in human genes most prone to mutation, which eventually could lead to discovery of the genetic bases of many human diseases.

Immerge BioTherapeutics announces new findings addressing key safety risk in xenotransplantation
In the journal Virology, researchers from Immerge BioTherapeutics, Inc. announced that recombination between porcine and human endogenous retrovirus was not detected when using sensitive laboratory tests, leading the authors to conclude that the creation of a new virus from the two was highly unlikely.

A sex-specific gene for depression
Researchers at the University of Pittsburgh have identified variants of a gene they say contribute to depression in women who inherit them, but not in men.

Wake Forest receives federal grant to develop model tobacco intervention curriculum
With funding from a $1.6 million federal grant, a Wake Forest University School of Medicine faculty member will develop a model curriculum to teach medical students how to help their future patients quit smoking.

University of Rochester scientists test new method to attack cancer
Scientists have used a technique called RNA interference to impair cancer cells' ability to produce a key enzyme called telomerase.

Two genes may interact to increase risk of lung cancer in smokers
Researchers have long sought to explain why some smokers get lung cancer and others do not.

ESA's XMM-Newton gains deep insights into the distant Universe
Using XMM-Newton, astronomers have obtained the world's deepest 'wide screen' X-ray image of the cosmos to date.

Message to pediatricians: advise parents to limit movie access to reduce chances of teen smoking
Dartmouth researchers have taken their published data on the connections between adolescent smoking and watching movies and are now advising pediatricians to urge parents to monitor their teens' access to movies and abide by the ratings guidelines sponsored by the Motion Picture Association of America and the National Association of Theatre Owners.

Problem drinking is rarely discussed during medical visits, more so during psychiatric visits
Most people with alcohol problems have their first voluntary contact with health professionals in the context of other health or social problems.

Biological clock more influenced by temperature than light
Getting over jet lag may be as simple as changing the temperature --your brain temperature, that is.

Study identifies factors increasing risk of psychosocial problems among disabled children
Whether or not children with disabilities experience psychosocial problems is associated with the type of disability and the impact of the disability on the child's family, a new study finds.

Researchers find mechanism that may determine early blood cell fate
Hematopoietic stem cells, the mother of all blood cells, face a fundamental dilemma in their lives.

Changing focus of traditional hospital 'rounds' improves patient care
Researchers at Johns Hopkins are challenging a practice that's almost as old as American medicine: the venerable doctors'

Age-related stem cell loss prevents artery repair and leads to atherosclerosis
Scientists at Duke University Medical Center have discovered that a major problem with aging is an unexpected failure of the bone marrow to produce progenitor cells that are needed to repair and rejuvenate arteries exposed to such environmental risks as smoking or caloric abuse.

Warming temperatures put tufted puffin at risk
Warmer ocean temperatures may be harming reproduction of the tufted puffin in western Canada and if global temperatures continue to increase, the species could be at risk, says a new study co-authored by a University of Alberta researcher.

Men with 3 of 5 metabolic abnormalities risk diabetes, heart disease
Men who have at least three metabolic abnormalities are at high risk of developing type 2 diabetes and heart disease, researchers report in today's rapid access issue of Circulation: Journal of the American Heart Association.

Suicide risk among alcoholics appears to increase with age
Prior research has shown that alcohol-use disorders amplify suicide risk.

Researchers find three chromosomal areas with links to alcoholism vulnerability
Both the environment and genetics play a role in a person's risk for alcoholism.

Scientist proposes new theory of aging
Birds do it, bees do it, and yes, even chimpanzees do it.

Annals of Internal Medicine, tip sheet, July 15, 2003
These four articles will be included in the July 15th edition of the Annals of Internal Medicine: Alternating HIV drugs reduced drug failure; Cause of sore throat should be determined before antibiotics are given; Large study shows that statins, popular cholesterol-lowering drugs, do not protect women from fractures and bone loss; and Blood pressure drug protected people with diabetes and normal blood pressure from kidney damage.

NHLBI study tests novel ways to help Americans keep weight off
The National Heart, Lung, and Blood Institute today announced the launch of a major study that could help solve one of the hardest aspects of weight loss--keeping off lost pounds.

Novel compounds improve the impact of anti-cancer therapy
Two new therapies for metastatic cancer are showing significant clinical activity, according to research presented today at the 94th Annual Meeting of the American Association for Cancer Research (AACR).

New fast lane towards discoveries of clusters of galaxies inaugurated
Using ESA's XMM-Newton satellite, astronomers have obtained the world's deepest

Long-term, heavy smoking doubles the risk of more aggressive prostate cancer in middle-aged men
Middle-aged men who are long-term, heavy smokers face twice the risk of developing more aggressive forms of prostate cancer than men who have never smoked, according to new findings from Fred Hutchinson Cancer Research Center that appears in the July issue of Cancer Epidemiology, Biomarkers and Prevention, a publication of the American Association for Cancer Research.

Molecular markers may help identify cancer, treatment outcomes
The ability to identify cancer in the early stages, when it is easier to treat, has long been a goal for cancer researchers. 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