Brightsurf Science News & Current Events

November 17, 2006
Starting over: Wnt reactivates dormant limb regeneration program
Chop off a salamander's leg and a brand new one will sprout in no time.

Setting the stage to find drugs against SARS
Scientists at the US Department of Energy's Brookhaven National Laboratory have set the stage for the rapid identification of compounds to fight against severe acquired respiratory syndrome (SARS).

Yeast model shows promise as Alzheimer's test
Biology professor Susan Liebman has developed a test using yeast to screen for small molecules that may prove useful in blocking development of peptide aggregates that form the fibrous plaques found in Alzheimer's disease.

Targeting leukemic stem cells by Bcl-2 inhibition
Researchers at The University of Texas M. D. Anderson Cancer Center have found, in laboratory studies, that the experimental drug ABT-737 which has shown promise in some cancers, can destroy acute myeloid leukemia (AML) blast, progenitor and even stem cells that are often resistant to standard chemotherapy treatment.

Group receives US-German grant to study the nanostructure of ferroelectric domains
The collaboration involves three American universities -- Lehigh, Florida and Penn State -- and the Universities of Bonn and Paderborn in Germany.

Study explores cause of exercise intolerance in heart failure patients
A new study shows that blood flow to the legs is relatively normal in people with diastolic heart failure, suggesting other potential causes of their inability to do everyday activities, according to researchers at Wake Forest University Baptist Medical Center.

Mayo Clinic: Gene expression profiling not quite perfected in predicting lung cancer prognosis
While there have been significant advances in the use of gene expression profiling to assess a cancer prognosis, a Mayo Clinic review and analysis of existing lung cancer studies shows that this technology has not yet surpassed the accuracy of conventional methods used to assess survival in lung cancer patients.

High HPV concentrations combined with smoking significantly raise risks of cervical cancer
Cigarette smoking and concurrent infection with high levels of the virus associated with cervical cancer can increase cancer risk by as much as 27 times, according to a study published in the November 2006 issue of Cancer Epidemiology, Biomarkers & Prevention.

Carnegie Mellon's Granger Morgan pens op-ed
Carnegie Mellon University's Granger Morgan is challenging US federal and state officials to take the lead in eliminating dangerous carbon dioxide emissions.

Fosrenol data show evidence of trends towards improved bone formation in CKD stage 5 patients
Treatment with the phosphate binder Fosrenol, lanthanum carbonate, was associated with slight improvements in bone formation in chronic kidney disease stage 5 patients with high phosphorus levels in the blood, according to long-term data presented at the American Society of Nephrology meeting.

Breast cancer drug receives FDA approval
Doctor instrumental in research says this is dramatic leap forward in breast cancer treatment.

Origins of life
The origin of life lies in unique ocean reefs, and Rosenstiel School scientists have developed an approach to help investigate them better.

Exercise helps elderly regain physical function and avoid major disability
Regular structured exercise may allow previously sedentary elderly people to attain significant improvements in their physical functioning and reduce the likelihood they will become disabled in the future, according to findings from a multicenter pilot study being presented today at the Gerontological Society of America's annual meeting in Dallas.

UGA professor finds that confusion about Calories is nothing new
James L. Hargrove, associate professor of foods and nutrition in the University of Georgia, said many nutritionists aren't even sure of the true origin of the Calorie -- or why it's supposed to be capitalized.

New study shows Actonel almost halves the risk of hip fractures compared to alendronate
Data published today from a retrospective study of over 33,000 postmenopausal women showed that among patients newly prescribed one of the two most popular osteoporosis treatments, patients taking Actonel (risedronate sodium) were approximately half as likely to sustain a hip fracture as those taking alendronate in the first year of treatment.

Award-winning science
A University of Miami undergraduate meteorology student has stood out within the Society for Advancement of Chicanos and Native Americans in Science.

Do These Genes Make Me Look Fat?
At the Genetics and Public Policy Center's next Genetics Perspectives on Policy Seminar (GenePOPS),

ResearchChannel announces American Meteorological Society as new participant
The American Meteorological Society has joined ResearchChannel as the newest member of its expanding media and technology organization.

Scrap tires can be used to filter wastewater
Every year, the United State produces millions of scrap tires that clog landfills and become breeding areas for pests.

Adolescent girls more active if neighborhoods have parks
Adolescent girls who live within half a mile of a public park are significantly more physically active than other girls, University of North Carolina at Chapel Hill researchers have found.

American College of Medical Genetics -- 2007 Annual Clinical Genetics Meeting Announcement
Educational opportunity relevant to professionals in medical and clinical genetics who are providing comprehensive diagnostic, management and genetic counseling services for patients with, or at risk for, genetically influenced health problems; laboratory directors and technicians providing genetic testing; researchers involved in the discovery of genetic disorders and treatments; and any other health-care and public-health professionals with an interest in the rapidly evolving field of medical genetics and its integration into health care.

Biodiversity of altered landscapes conference in Panama
Yale University's new Environmental Leadership and Training Initiative sponsors

Shorter post-operative recovery stay following outpatient tonsillectomy is safe, cost-efficient
A new study showed that it can be safe and cost-efficient to discharge pediatric tonsillectomy patients after a short post-operative recovery period at an outpatient surgery center.

'Deserving Poor' or 'Greedy Geezers'? New book debunks aging crisis
Despite the impending retirement of 76 million baby boomers, huge government deficits and unrelenting battles over Social Security, the United States is not facing a demographic tsunami, according to a new book by two leading experts on the economics and politics of aging.

Studies led by Rhode Island Hospital confirm safety and efficacy
Following two studies of patients who were treated with cardiac stents, physicians at Rhode Island Hospital continue to recommend drug-eluting stents as a safe and effective treatment.

VCR -- FDA approves home discharge for US patients
Ventracor (ASX:VCR) today announced that the US Food & Drug Administration has approved the company's request to allow home discharge of patients implanted with the VentrAssist under the US Feasibility Trial.

Woodruff Foundation gives major boost to Emory University's strategic plan
The Robert W. Woodruff Foundation, Inc. is contributing $261.5 million to Emory University to help the institution construct a model patient-centered health care system for the 21st century and to support other strategic priorities of the university.

Critical pairing
A team led by Ramanarayanan Krishnamurthy and Albert Eschenmoser at the Scripps Research Institute in La Jolla, Calif., is researching how molecules look that can replicate and multiply themselves -- the first genetic material.

Wiley to acquire Blackwell Publishing (Holdings) Ltd.
John Wiley & Sons, Inc. (NYSE:JWa) (NYSE:JWb) announced today that it has entered into a definitive agreement to acquire the outstanding shares of Blackwell Publishing (Holdings) Ltd., one of the world's foremost academic and professional publishers.

Tβ4 is essential for coronary vessel development report
RegeneRX Biopharmaceuticals, Inc. reported today that a study published in the advanced online edition of the journal Nature supported and elaborated Tâ4's significant effects in the damaged hearts of mice and highlighted its therapeutic potential for the treatment of heart attacks and heart failure in humans.

Rice chemists create, grow nanotube seeds
Rice University chemists have revealed the first method for cutting carbon nanotubes into

Disclosure of advertising tactics reduces odds kids will drink
A new research report from Penn State's Smeal College of Business finds that modest in-school lessons revealing the goals and effects of alcohol advertising can reduce the likelihood that adolescents will drink.

Mayo Clinic ranked first in 2006 National Health Care Quality and Accountability
Mayo Clinic Rochester ranked as the nation's top performer in quality and accountability measurements in 2006, according to University Health System Consortium.

Tips from the Journals of the American Society for Microbiology
The following articles are featured in the upcoming issue of the Journals of the American Society for Microbiology: Novel H3N1 swine influenza virus identified in pigs in Korea; New treatment using human antibodies to target harmful toxins may protect against C. cifficile; and Guinea pig aerosol challenge presents new model for Q fever research in humans.

Food for flight
US Forest Service research in the Ouachita Mountains of Arkansas suggests that decades of fire suppression have reduced the area's food supply for migrating monarch butterflies, and that restoration efforts that include prescribed burning can reverse this trend.

Does natural selection drive the evolution of cancer?
The dynamics of evolution are fully in play within the environment of a tumor, just as they are in forests and meadows, oceans and streams.

Preparing researchers to work across disciplines is the goal of an NSF CAREER project
As research fields become more complex, a growing number of engineering faculty and students must adapt to working with researchers in other disciplines who are trained in different methods of evaluating research, seeking evidence and drawing conclusions.

Report outlines funding to conserve half of Massachusetts's land
Harvard Forest's

UCLA chemist provides insights into science icon: Chemistry's periodic table
The periodic table of chemical elements hangs in front of chemistry classrooms worldwide and is an icon for science.

Recognized innovation
Dr. John W. McManus and Dr. Liana Talaue-McManus, both researchers at the University of Miami Rosenstiel School of Marine and Atmospheric Science, were recently named Associates of the World Technology Network and cited as two of the

Research into research can be improved
The methods used to evaluate the quality of research can be far more accurate and far-reaching, according to a new doctoral thesis on bibliometrics from Karolinska Institutet in Sweden.

Nerve fibers need specific growth factor chemical to form connections within the brain
A discovery on how neural circuitry develops to aid proper cerebral cortex activity may help explain the memory and cognitive decline seen in Alzheimer's disease patients -- a discovery that could point toward potential treatments, according to UC Irvine scientists.

Springer and the Royal Academy of Medicine of Ireland enter into publishing partnership
Springer, one of the world's leading scientific publishers, has announced a partnership with the Royal Academy of Medicine of Ireland to publish their journal, the Irish Journal of Medical Science, starting in 2007. 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