Brightsurf Science News & Current Events

January 21, 2001
Gene therapy for muscular dystrophy
In a study of Muscular Dystrophy, scientists at the University of Pennsylvania School of Medicine have found that a common delivery system used in treating the disease through gene therapy may trigger an immune response in mice unless it is used in combination with a muscle-specific promoter that localizes the expression of genetic material.

Idun develops new drug screen for treatments of stroke, heart attack, and cancer
Idun described the recreation of a biological reaction that occurs in human cells and is part of the apoptosis pathway.

Nutrient-dense food products improve cardiovascular health in frail elderly
De Jong et al. conducted a series of controlled interventions to determine if supplementation with nutrient-dense foods, an exercise program, or a combination of the two would benefit elderly subjects' nutritional status and neurological functioning.

Energy-restricted diets shown to be best for improving lipid profiles
Raeini-Sarjaz et al. investigated whether fat restriction differed from energy restriction in its effect on circulating concentrations of serum lipids.

Landmark study shows gap in patient/physician communication hinders recovery for those with major depression
The landmark survey, conducted for the National Depressive and Manic-Depressive Association (National DMDA), identifies that a significant communication gap between primary care physicians and patients is at the root of the problem.

Different effects of puberty on resting metabolism in white and African American children
A new study published in the American Journal of Clinical Nutrition examines the effect of puberty on resting energy expenditure (REE) in white and African American adolescents, finding a general metabolic slowdown in both groups, which was greater in the African Americans.

Heart protective benefits of red wine remain uncertain; Physicians urged to rely on proven ways to lower risk
Top medical authorities are cautioning the nation's health care professionals to downplay the popular but unproven supposition that drinking red wine can help ward off heart attacks.

To protect data from power blackouts, store on Internet, says UC Berkeley researcher
A UC Berkeley computer scientist is designing a data storage system tough enough to withstand a hacker attack or a rolling blackout.

Children getting too much radiation in CT scans
A new Children's Hospital Medical Center of Cincinnati study shows that some children who get computed tomography (CT) scans receive doses of radiation at strengths at least five times greater than necessary.

Cholesterol-lowering drug reduces strokes
A drug already being used to lower cholesterol and prevent heart attacks sharply reduced strokes in patients who already had heart disease, according to a study in the Jan.

Does specialized care mean better care?
In this issue of the Canadian Medical Association Journal, Dr.

Researchers suspect link between welding and Parkinson's disease
Scientists have identified the first clue that welding might trigger the early onset of Parkinson's disease (PD).

Metabolism in women after weight loss varies from that of never overweight women
In a study of 18 normal-weight women, Raben et al.

Scientists see early indications of lobster decline
A team of scientists from the University of Maine and the Bigelow Laboratory for Ocean Sciences has found early indications of a decline in the lobster population in the Gulf of Maine.

Experimental therapy may lead to better multiple sclerosis treatment
A new therapy effectively treats a disease similar to multiple sclerosis (MS) in monkeys, and the approach could soon be tested against MS and other autoimmune diseases in humans.

New and updated clinical practice guidelines
In 1998, the Canadian Medical Association Journal published a supplement of clinical practice guidelines for breast cancer produced by the Steering Committee for Clinical Practice Guidelines for the Care and Treatment of Breast Cancer.

Forensic seismology provides clues to Kursk disaster
Seismologists have been able to determine that the Russian submarine Kursk was indeed sunk by explosions, not impact, last year.

Pravastatin reduces risk of diabetes, stroke
For the first time a statin drug has been shown to reduce the risk of type 2 diabetes, according to a study published in today's Circulation: Journal of the American Heart Association.

Conflict? Mothers and their adult daughters can handle it
Penn State research has shown that, despite conflicts and complicated emotions, the tie between mothers and daughters is so positive, so strong and so enduring that 80 to 90 percent of women at mid-life say that they have a good relationship with their mother - even though they wish that relationship were better.

Initial treating hospital can impact breast cancer outcomes
Breast cancer patients who received their initial treatment in teaching hospitals had better survival than those who received their treatment in community hospitals, according to a new study published today in the Canadian Medical Association Journal.

Groups urge Bush: rethink natural hazards approach
A group of organizations concerned about staggering human and economic losses caused by natural hazards is asking the incoming administration to take a new national approach to disasters such as hurricanes, floods, earthquakes, and wildfires.
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