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Stem cells from umbilical cord blood may help build new heart valves

Children with heart defects may someday receive perfectly-matched new heart valves built using stem cells from their umbilical cord blood, according to research presented at the American Heart Association's Scientific Sessions 2008.

11 Nov 2008

Obesity raises levels of hormone leptin

Obese people who don't have high cholesterol or diabetes might think they're healthy - despite the extra pounds.

11 Nov 2008

Scientists create therapy programme to treat depression in women in developing countries

Although depression is a major health problem world-wide, experts say its impact is greatest in developing countries where 80% of the population live. Often there are no resources available to treat sufferers.

11 Nov 2008

Study finds rise in rate of diagnostic imaging in managed care

Use of radiology imaging tests has soared in the past decade with a significant increase in newer technologies, according to a new study that is the first to track imaging patterns in a managed care setting over a substantial time period.

11 Nov 2008

Increased heart attack deaths in NYC ambulance diversions confirmed in new research

Ambulance diversions from nearby, crowded New York emergency rooms to more distant emergency departments are associated with increased deaths among patients suffering from heart attacks, according to a paper presented at a meeting of the Institute for Operations Research and the Management Sciences (INFORMS®).

11 Nov 2008

Obstructive sleep apnea may be risk factor for sudden cardiac death

After studying the sleep characteristics of nearly 11,000 adults in an overnight sleep laboratory, Mayo Clinic researchers suggest that obstructive sleep apnea (OSA) - and, in particular, the low nighttime oxygen saturation of the blood it causes - may be a risk factor for sudden cardiac death (SCD).

11 Nov 2008

Signaling between protein, growth factor is critical for coordinated cell migration

The mysterious process that orchestrates cells to move in unison to form human and animal embryos, heal wounds, and even spread cancer depends on interaction between two well-known genetic signaling pathways, two University of Utah medical school researchers have discovered.

11 Nov 2008

Study looks at sexual and intimate relationships after breast cancer

An Indiana University study found that young, female breast cancer survivors often suffer from sexual and intimate relationship issues and are interested in using sexual enhancement products to treat these problems.

11 Nov 2008

Secondary prevention program may reduce risks after heart attack

An intensive, comprehensive, long-term secondary prevention program lasting up to three years after cardiac rehabilitation appears to reduce the risk of a second non-fatal heart attack and other cardiovascular events, according to a report in the November 10 issue of Archives of Internal Medicine , one of the JAMA/Archives journals.

11 Nov 2008

Astragalus root plant chemical used to fight HIV

Like other kinds of cells, immune cells lose the ability to divide as they age because a part of their chromosomes known as a telomere becomes progressively shorter with cell division.

11 Nov 2008

Researchers describe how cells recycle protein waste

Garbage collectors are important for removing trash; without them waste accumulates and can quickly become a health hazard.

11 Nov 2008

Researchers aim to over-stress already taxed mantle cell lymphoma cells

Cancer cells are already stressed by the fast pace they require to grow and spread and scientists believe a little more stress just may kill them.

11 Nov 2008

Latest research on diagnosis and treatment of allergic diseases

Researchers are presenting more than 450 abstracts on investigational findings in the diagnosis and treatment of allergic diseases at the ACAAI Annual Meeting in Seattle, Nov. 6-11. Following are highlights of some key studies on asthma.

11 Nov 2008

New advances in diagnosis and treatment of allergic diseases

11 Nov 2008

Protein called TIM-3 turns off HIV-fighting T cells

In HIV-infected patients the body's immune system is unable to fight off the virus.

11 Nov 2008

Interferon beta treatment success for multiple sclerosis shown with MRI

Regular magnetic resonance imaging (MRI) evaluations show that only about half of patients with multiple sclerosis achieve and sustain a response to treatment with interferon beta over three years, according to a study posted online today that will appear in the January 2009 print issue of Archives of Neurology.

11 Nov 2008

Epstein-Barr virus linked to inflammatory diseases of the mouth

Researchers at Oregon Health & Science University's School of Dentistry have found that a significant percentage of dental patients with the inflammatory diseases irreversible pulpitis and apical periodontitis also have the Epstein-Barr virus.

11 Nov 2008

Cardiopulmonary bypass for child heart surgery does not affect IQ

The use of cardiopulmonary bypass does not cause short-term neurological problems in children and teenagers after surgery for less complex heart defects, according to pediatric researchers.

11 Nov 2008

Newborn neurons in the adult brain can settle in the wrong neighborhood

In a study that could have significant consequences for neural tissue transplantation strategies, researchers at the Salk Institute for Biological Studies report that inactivating a specific gene in adult neural stem cells makes nerve cells emerging from those precursors form connections in the wrong part of the adult brain.

11 Nov 2008

New performance measures on performance measurement and reperfusion therapy

The ACC/AHA 2008 Task Force on Performance Measures' Statement on Performance Measurement and Reperfusion Therapy will webpost on Monday, November 10 at 2 pm ET.

11 Nov 2008