Brightsurf Science News & Current Events

February 08, 2005
Carrot component reduces cancer risk
Scientists at the University of Newcastle upon Tyne have given us another reason to eat carrots - they have found the component in the popular root vegetable that can prevent cancer developing.

Minority researchers receive AACR awards
Each year, the American Association for Cancer Research (AACR) presents awards to minority scholars who have made an impact in cancer research, and show potential to continue to do so in the future.

Fritz Lipmann lecture will look at enzyme biosynthesis of peptide natural products
Christopher T. Walsh, Hamilton Kuhn Professor of Biological Chemistry and Molecular Pharmacology at Harvard Medical School, has been chosen for the Fritz Lipmann Lectureship at the 2005 American Society for Biochemistry and Molecular Biology (ASBMB) Meeting.

International workshop on economic and technological dimensions of national innovation systems
The links between economics and technology as they apply to innovation are very strong.

University of Chicago scientists still hopeful about Rare Isotope Accelerator
University of Chicago scientists say they still hope that the U.S.

Physicians recommend screening for toxoplasmosis for all pregnant women, newborns
Physicians found that signs, symptoms and identifiable risk factors are absent in more than half of the mothers of infants with congenital toxoplasmosis in a national study of children with this disease.

Researchers blend folk treatment, high tech for promising anti-cancer compound
Researchers at the University of Washington have blended the past with the present in the fight against cancer, synthesizing a promising new compound form an ancient Chinese remedy that uses cancer cell's rapacious appetite for iron to make them a target.

Removing prions that cause mad cow in humans from blood
Assessing the risk of potential exposure to variant Creutzfeldt-Jakob Disease , the human form of 'mad cow disease,' from blood transfusion was the focus of the FDA Transmissible Spongiform Encephalopathies Advisory Committee today.

PCRM develops world's first cruelty-free insulin assay
Physicians group develops commercially available insulin assay that does not use mice or fetal calf serum.

New stem cell source could boost bone marrow success
University of Toronto researchers have discovered an ample source of stem cells in an uncharted part of the umbilical cord, providing new hope for bone marrow transplants and tissue repair.

Sex hormone metabolite reduces stress, anxiety in female rats
A steroid hormone released during the metabolism of progesterone, the female sex hormone, reduces the brain's response to stress, according to research in rats.

Scientists find fossil proof of Egypt's ancient climate
Earth and planetary scientists at Washington University in St. Louis are studying snail fossils to understand the climate of northern Africa 130,000 years ago.

Report addresses safety problem in preharvest stage of food production
Food in the preharvest stage is more vulnerable to contamination than food in the processing and packaging stages of production, because of environmental variability and our inability to control it, according to a new report released by the American Academy of Microbiology.

New stroke-prevention drug unlikely to be cost-effective except in patients at high risk of bleeding
A new study has shown a stroke-prevention drug designed to be an improvement over prior treatments is less cost-effective for most patients than warfarin, the blood thinner with a 50-year history of helping prevent blood clots and strokes.

Devolved administrations play a greater role in influencing European policies
The devolved administrations in Scotland and Wales (and Northern Ireland) have already established a strong bargaining position for their territorial interests in the development of European policy, particularly in agriculture, which is likely to affect how the United Kingdom handles issues such as rural policy and Common Agricultural Policy reform in the future.

Certain gun storage practices can reduce risk of youth firearm injuries, suicide
Keeping a gun locked, unloaded, and storing ammunition in a locked and separate location can lower the risk of unintentional injuries and suicide among youth, according to a study in the February 9 issue of JAMA.

NIH awards USC $8.7 million to study tobacco use in China
The National Institutes of Health have awarded $8.7 million to USC to study genetic and environmental factors that influence tobacco and alcohol use among adolescents in China and the United States.

Abandoned bones suggest TB wiped out leprosy in battle of killer diseases
The spread of tuberculosis may have killed off leprosy in Europe in the Middle Ages, according to research published in the latest issue of the Royal Society Proceedings B.

AACR recognizes women in cancer research
The American Association for Cancer Research (AACR) has granted a scholarship to two outstanding women in cancer research through the AACR-Women in Cancer Research (WICR) Brigid G.

Elderly people cared for by spouse are at greater risk for abuse, Pitt researchers find
When elderly people need assistance with the activities of daily life, one might assume that the best people to care for them would be the ones who know them best--their spouses.

EMBO, HHMI join forces to promote brain gain
To help promising scientists establish their first independent labs in Central Europe, HHMI and EMBO are launching the EMBO/HHMI Startup Grants, three-year awards of $75,000 annually.

AACR supports faculty at minority-serving institutions
Throughout the year, the American Association for Cancer Research (AACR) selects faculty members in minority-serving institutions who have shown excellence and dedication in the field of cancer research.

Contrary to previous findings, smoking is detrimental to patients with Alzheimer's
UCI researchers have determined that chronic nicotine exposure worsens some Alzheimer's-related brain abnormalities, contradicting the common belief that nicotine can actually be used to treat the disease.

Patients with cancer have highly increased risk for blood clots
Patients with cancer have a 7-fold increased risk for blood clots in the legs or lungs (venous thrombosis), according to a study in the February 9 issue of JAMA.

Gene therapy for Parkinson's disease moves forward in animals
By inserting corrective genes into the brain, scientists studying small monkeys prevented brain damage by producing therapeutic levels of GDNF, a protein that helps nourish brain cells.

March 9 Childhood obesity talk with expert Susan Okie
Harvard-trained family physician and former Washington Post journalist Susan Okie will talk about her new book, FED UP!

Feb. 17 sipping science: An evening of red wine tasting and wine science
Participants will sample wines that illustrate the effects of regional climate on wine quality, as well as wines containing a compound that may protect against cancer and heart disease.

Risk factors affect parents' attitudes about STD vaccinations
Analysis by Indiana University School of Medicine researchers of 278 parental views on sexually transmitted diseases vaccination for children found that severity of possible infection and effectiveness of a vaccine weighed heavily in the decision-making process for parents.

Heterosis in populations in nature of a domesticated plant
Few studies quantify evolutionary processes in populations of domesticated plants in traditional farming systems.

New math model of heart cell has novel calcium pathway
Scientists at Washington University in St. Louis have developed the first mathematical model of a canine cardiac cell that incorporates a vital calcium regulatory pathway , with implications for life-threatening cardiac arrhythmias, or irregular heartbeats.

In the migratory marathon, parasitized monarchs drop out early
Can animal migration limit the spread of parasites? Results discussed in Ecology Letters March 2005 by Emory University researchers found that monarchs infected with a protozoan parasite fly slower, tire out faster and expend more energy flying than healthy monarchs.

Time to rewrite the species rulebook, MSU scientists say
From person to piranha to petunia, it's pretty easy to spot different species in the human-scale part of the plant and animal kingdoms.

Examination of internal 'wiring' of yeast, worm, and fly reveals conserved circuits
Researchers opened the hood of yeast, worm, and fly cells and their wiring analysis of protein interactions in the three more fully explains the diversity of eukaryotic life on the planet.

School achievement higher for children in nuclear families
Educational outcomes of children in stable blended families are substantially worse than those of children reared in traditional nuclear families, according to a study published in the most recent issue of the journal Demography. Both stepchildren and their half-siblings who are the joint children of both parents achieved at similar levels, well below children from traditional nuclear families, according to economists Donna Ginther of the University of Kansas and Robert Pollak of Washington University in St.

Simpler blood thinning medication effective for preventing blood clots and stroke
A medication that could simplify anticoagulation therapy, ximelagatran, was found to be as effective as other common therapies for preventing stroke and recurrent blood clots, according to studies in the February 9 issue of JAMA.

Mount Sinai stroke prevention trial published in JAMA
The Journal of the American Medical Association has published the findings of a study directed by Mount Sinai School of Medicine researchers which indicates that ximelagatran, a novel anti-clotting medication currently under development, prevents strokes and systemic embolic events in patients with nonvalvular atrial fibrillation as effectively as current treatment with warfarin.

Iraqi Turkmen should be involved in their country's future
The international community should take responsibility for ensuring Iraqi Turkmen participate in the reshaping of their country's future says a report published by Bristol University this week.

Family trees of ancient bacteria reveal evolutionary moves
A geomicrobiologist at Washington University in St. Louis has proposed that evolution is the primary driving force in the early Earth's development rather than physical processes, such as plate tectonics.
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