Brightsurf Science News & Current Events

May 10, 2001
A blueprint for better cholesterol-lowering drugs
A better strategy for developing more effective cholesterol- lowering drugs may come from the work of HHMI researchers who have produced the first studies of the structural mechanism by which the widely prescribed statin drugs, such as Lipitor and Zocor, lower cholesterol.

Jim and Virginia Stowers Add More Than $1 Billion in Securities to Endowment of Stowers Institute for Medical Research
Jim and Virginia Stowers have made an additional gift of securities valued at $1.114 billion to the Stowers Institute for Medical Research, a step that greatly enhances the Institute's ability to recruit top-quality scientists.

Routine audit is an essential part of screening
Disease prevention and health promotion activities must be audited to ensure that they are achieving their goals and giving the best protection possible for the future public health of the country, according to a letter to this week's BMJ.

Reluctance to try investigational treatment, insurance denials keep patients from clinical trials
Many cancer patients decline to participate in clinical trials because they don't want to use investigational treatments.

Childhood headaches influence adult health
Children who experience frequent headaches are at an increased risk of recurring headache and other physical and psychiatric symptoms in adulthood, finds a study in this week's BMJ.

Tubal ligation reduces risk of ovarian cancer by 72 per cent in high-rish women
Researchers at the University of Toronto and Sunnybrook and Women's College Health Sciences Centre have found that tubal ligation can reduce the risk of hereditary ovarian cancer by 72 per cent in women who carry the BRCA1 gene.

UCSF policy center presents Congress with road map for HIV vaccine development
The AIDS Policy Research Center at UCSF's AIDS Research Institute issued to all 535 members of Congress today (Friday, May 11, 2001) a policy monograph detailing barriers to HIV vaccine development.

Study supports out-of-Africa origin for East Asians
An international study of Y chromosomal DNA shows that East Asian populations migrated out of Africa and suggests that little or no interbreeding of Homo erectus and Homo sapiens occurred after the migration.

LSU researcher finds new petroleum method, receives patent
A Louisiana State University researcher has found an alternative method of producing petroleum that eliminates environmental impacts from mining and using fossil petroleum reserves.

Diet and disease in cattle: High-grain feed may promote illness and harmful bacteria
Grain-fed cattle provide nicely marbled beef. Yet, low-fiber diets can make cattle sick, while allowing harmful bacteria to proliferate, a paper in the 11 May 2001 issue of Science reports.

Antioxidant drugs may prevent HIV dementia
Antioxidant drugs may help prevent the effects of HIV on the brain, according to a preliminary study using cell cultures.

How effective are opioids in chronic pain relief?
Fentanyl skin patches achieve better pain relief and an enhanced quality of life than sustained release oral morphine, say patients with chronic non-cancer pain in a study in this week's BMJ.

Protein found in brain cells may shed new light on the cause of dystonia
Researchers at Cedars-Sinai Medical Center have identified a new protein in brain cells that may help to regulate muscle control and movement.

Social deprivation linked to heart attack survival
Socioeconomic deprivation has a profound effect on the risk of having a first heart attack, the chance of reaching hospital alive, and the probability of surviving the first month, finds a study in this week's BMJ.

Violent patients most likely to be removed from GPs' lists
Violent, threatening or abusive behaviour by patients is the most common reason for removing a patient from their lists, report general practitioners in this week's BMJ.

Blueprint opens doors for new microphotonic devices
Two University of Toronto physicists have spiralled a new twist out of the old subject of optics by creating a blueprint for a photonic crystal that paves the way for better, faster and perhaps unprecedented optical devices.

St. Louis University, Washington University in St. Louis researchers uncover evidence that sheds light on origins of the planet
Researchers at St. Louis University and Washington University in St.

Double-drug therapy may benefit some multiple sclerosis patients
People with the most common types of multiple sclerosis who don't respond to traditional therapy may benefit from a combination drug therapy, a Wake Forest University Baptist Medical Center (WFUBMC) researcher reported today at the annual meeting of the American Academy of Neurology in Philadelphia, Penn.
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