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New peptides inhibit HIV's entry into cells

Based in part on protein structures determined at the National Synchrotron Light Source (NSLS) at the U.S. Department of Energy's Brookhaven National Laboratory, scientists at the University of Utah have developed new peptides that appear to be significantly more effective at blocking HIV's entry into cells than other drugs in their class.

9 Oct 2007

Perindopril for improving physical function in elderly people

A decline in physical function with age is strongly associated with disability in later life.

9 Oct 2007

Research highlights importance of adopting current adult pneumococcal vaccination guidelines

Among patients hospitalized with community-acquired pneumonia, those who had previously received the pneumococcal vaccine had a lower risk of death and admission to the intensive care unit than patients who were not vaccinated, according to a report in the Oct. 8 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

9 Oct 2007

Patients perceived cancer care unaffected by lower Medicare reimbursements

Patients perceive no significant change in the quality of care for cancer since the United States' government passed the Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (MMA) according to a study published in the November 15, 2007 issue of CANCER, a peer-reviewed journal of the American Cancer Society.

9 Oct 2007

One injection of gene therapy spreads through brain in animal study

By targeting a site in a mouse brain well connected to other areas, researchers successfully delivered a beneficial gene to the entire brain - after one injection of gene therapy.

9 Oct 2007

Negative aspects of close relationships linked to heart disease risk

Individuals whose close relationships have negative aspects, such as conflict and adverse exchanges, appear to have an increased risk of heart disease than those with more positive close relationships, according to a report in the Oct. 8 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

9 Oct 2007

New thoracic imaging protocol

University of Cincinnati (UC) radiologists have developed a new technique for capturing images of chest veins that eases diagnosis of venous diseases.

9 Oct 2007

Study examines the safety of Tasers

A nationwide study examining the safety of Tasers used by law enforcement agencies suggests the devices are safe, causing a low occurrence of serious injuries.

9 Oct 2007

New insight on jumping genes

Keck Graduate Institute (KGI) announced that Dr. Animesh Ray, KGI professor and director of KGI's PhD program, has published a paper in the international online journal PLoS ONE that sheds new light on the evolution of moveable genetic elements, or "jumping genes."

9 Oct 2007

Eating fewer refined carbohydrates may slow the progression AMD

Eating fewer refined carbohydrates may slow the progression of age-related macular degeneration (AMD), according to a new study from researchers at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University.

9 Oct 2007

In biology, polarization is a good thing

Using a molecular cellular compass, individual cells in complex organisms know which way is up or down, in epithelial cells known as apical-basal polarity.

9 Oct 2007

How does THC work?

Marijuana and its main psychoactive component, THC, exert a plethora of behavioral and autonomic effects on humans and animals.

9 Oct 2007

Link between woman's hips and daughter's risk of breast cancer

In a study of the maternity records of more than 6,000 women, David J.P. Barker, M.D., Ph.D., and Kent Thornburg, Ph.D., of Oregon Health & Science University discovered a strong correlation between the size and shape of a woman's hips and her daughter's risk of breast cancer.

9 Oct 2007

Biosensors to monitor blood sugar in diabetics

There is a need today to be able to measure various concentrations of blood sugar in fluid, especially in the foodstuffs industry and health care.

9 Oct 2007

Lower-calorie menus at fast-food restaurants help make us fat

If you're like most, you eat worst at healthy restaurants. The "health halos" of healthy restaurants often prompt consumers to treat themselves to higher-calorie side dishes, drinks or desserts than when they eat at fast-food restaurants that make no health claims, according to a series of new Cornell studies.

9 Oct 2007

Mario Capecchi shares Nobel Prize in medicine for knockout mice technology

Mario R. Capecchi, Ph.D., distinguished professor of human genetics and biology at the University of Utah's Eccles Institute of Human Genetics and a Howard Hughes Medical Institute investigator, has won the 2007 Nobel Prize in Physiology or Medicine.

9 Oct 2007

Gene may hold key to future cancer hope

Scientists may have discovered a new way of killing tumours in what they hope could one day lead to alternative forms of cancer treatments.

From The University of Manchester 9 Oct 2007

Peer influence can help young adults avoid drug use

High-risk teenagers who participate in peer-led substance abuse prevention programs reduce their drug use by approximately 15 percent versus traditional curricula, suggests a study led by researchers at the University of Southern California (USC).

9 Oct 2007

Folic acid supplements can dramatically lower blood arsenic levels

A new study by researchers at Columbia University Mailman School of Public Health finds that folic acid supplements can dramatically lower blood arsenic levels in individuals exposed to arsenic through contaminated drinking water.

9 Oct 2007

Sir Martin Evans wins Nobel prize for stem cell research

Medical Research Council funded scientist Sir Martin Evans, has been awarded the Nobel Prize in Physiology or Medicine for 2007 alongside Mario R. Capecchi and Oliver Smithies for their discoveries of "principles for introducing specific gene modifications in mice by the use of embryonic stem cells".

9 Oct 2007