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JAMA reports HIV spike among gay men; AHF says routine testing, effective prevention needed

AIDS Healthcare Foundation (AHF), today expressed alarm over a Journal of the American Medical Association (JAMA) article that reported a startling 13% increase in HIV/AIDS cases among men who have sex with men (MSM) in the United States over the past four years.

27 Nov 2007

How cells communicate focus of new research

Scientists at the University of Liverpool have been awarded £5 million to investigate how cells respond to stimuli such as stress and UV radiation.

27 Nov 2007

Researchers find evidence of mature heart cell potential in embryonic stem cells

In a new study, UC Davis researchers report the first functional evidence that heart cells derived from human embryonic stem cells exhibit one of the most critical properties of mature adult heart cells, an important biological process called excitation-contraction coupling.

27 Nov 2007

Effect of periodontal diseases on medical and dental costs

A new study in the November issue of the Journal of Periodontology (JOP) found that prevention of periodontal diseases may lead to savings on not only dental costs, but also medical care costs.

27 Nov 2007

Discovery of novel pathway to increased inflammation in diabetes patients

Researchers at UC Davis Health System have discovered a novel pathway that results in increased inflammation of blood vessels in patients with type 1 diabetes.

27 Nov 2007

Deadly variations of superbug now spreading beyond the hospital

Experts in Britain say virulent bugs such as MRSA (methicillin resistant Staphylococcus aureus) are now spreading beyond hospitals and into the wider community and may put lives at risk.

27 Nov 2007

Depressed, older adults with diabetes live longer when they are treated for depression

The depression study, which followed primary care patients in the New York City, Philadelphia and Pittsburgh areas for five years, also showed that treating depression reduced mortality more for those who had diabetes than for those who did not.

27 Nov 2007

HIV in Thailand appears more deadly

Two studies led by researchers at the Johns Hopkins Bloomberg School of Public Health found that people infected with HIV in Thailand die from the disease significantly sooner than those with HIV living in other parts of the world.

27 Nov 2007

Scientists adopt fresh approach in quest for new therapies

Scientists are to pool their expertise in human health to pioneer an innovative approach to treating common diseases.

27 Nov 2007

Researchers outline structure of largest nonvirus particle ever crystallized

Researchers at UCLA's California NanoSystems Institute, the David Geffen School of Medicine at UCLA and the Howard Hughes Medical Institute have modeled the structure of the largest cellular particle ever crystallized, suggesting ways to engineer the particles for drug delivery.

27 Nov 2007

Research suggests new direction for ALS treatment

A research team from Wake Forest University School of Medicine is the first to show that injections of a protein normally found in human cells can increase lifespan and delay the onset of symptoms in mice with ALS (amyotrophic lateral sclerosis), or Lou Gehrig's disease.

27 Nov 2007

Physical barriers may be more effective than drugs to prevent pandemics

Physical barriers, such as regular handwashing and wearing masks, gloves and gowns may be more effective than drugs to prevent the spread of respiratory viruses like influenza and SARS, concludes a study published on bmj.com.

27 Nov 2007

Positron emission tomography may improve lung cancer diagnosis

Tumor imaging with positron emission tomography (PET) may improve the diagnosis and subsequent treatment of lung cancer patients, according to a review published online November 27 in the Journal of the National Cancer Institute.

27 Nov 2007

MSU food safety experts say Chinese imports need to improve

Over recent months, a long list of consumer goods from China - everything from seafood to toothpaste to toys - have been the objects of recalls.

27 Nov 2007

Childhood obesity and the increasing burden of diabetes among young adults

Obesity is taking a hefty toll on the health of children and young adults, leaving more Americans facing the burden of a lifetime of diabetes care and management.

27 Nov 2007

MIT radar technology fights breast cancer

Treating breast cancer with a type of heat therapy derived from MIT radar research can significantly increase the effectiveness of chemotherapy, according to results from the fourth clinical trial of the technique reported online Nov. 25 in the journal Cancer Therapy.

27 Nov 2007

Brain stem-cell therapies more complicated than thought

An MIT research team's latest finding suggests that stem cell therapies for the brain could be much more complicated than previously thought.

27 Nov 2007

Clinical trials and medical care: Defining the therapeutic misconception

Some research participants do not appreciate important differences between medical research and treatment, says a team of researchers in a policy paper in this week's PLoS Medicine.

27 Nov 2007

Discovery of key acute myeloid leukemia gene

A gene called N-Myc leads a double life in certain white blood cells, helping to trigger a cancer called acute myeloid leukemia (AML) under some conditions while triggering apoptosis, or cell suicide, under other conditions, according to results of a mouse study done by investigators at St. Jude Children's Research Hospital.

27 Nov 2007

Insulin regulates the secretion of the antiaging hormome Klotho

Dr. Carmela Abraham, a professor of biochemistry and medicine at Boston University School of Medicine (BUSM), reports this week in the Proceedings of the National Academy of Sciences new findings on Klotho, an anti-aging gene that is associated with life span extension in rodents and humans.

27 Nov 2007