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South Africa starts major HIV/AIDS vaccine trial

The launch of the first large-scale study to evaluate a candidate HIV vaccine on the African continent was announced today by study collaborators in the United States and South Africa. The trial will involve up to 3,000 participants at five sites throughout South Africa and is expected to continue for four years.

11 Feb 2007

African-American women three times more likely to deliver babies prematurely

African-American women are three times more likely to deliver babies three to 17 weeks prematurely than Caucasian women, according to a review of Missouri birth statistics by researchers at Washington University School of Medicine in St. Louis.

11 Feb 2007

Children with parents in the military have higher blood pressure

Researchers looked at 121 adolescents - including 48 with civilian parents, 20 with a parent deployed to Iraq and 53 with a parent in the military but not deployed - days after Operation Iraqi Freedom was launched in March 2003 and nearly three months later when President Bush announced major hostilities had ceased.

11 Feb 2007

Pregnancy at 40 and beyond is an independent risk factor for stillbirth

Pregnant patients of advanced maternal age (AMA) are at increased risk for a multitude of pregnancy complications, including gestational diabetes mellitus, preeclampsia, placenta previa and intrauterine growth restriction.

11 Feb 2007

New method of screening tumors for cancer-related gene abnormalities

A study led by researchers at Dana-Farber Cancer Institute and Broad Institute of the Massachusetts Institute of Technology and Harvard University provides the first demonstration of a practical method of screening tumors for cancer-related gene abnormalities that might be treated with "targeted" drugs.

11 Feb 2007

New microscopy technology

Research is finding evidence that may solve one of the great puzzles of 21st Century medicine using a new microscopy technology known as CytoViva.

11 Feb 2007

New diagnostic technology for routine prenatal genetic testing

Research studies demonstrating the viability of an approach to routinely detect the presence of fetal DNA in a mother's blood to accurately diagnose or rule out genetic defects -- as early as the first trimester -- was presented today at the 27th Annual Meeting of the Society for Maternal-Fetal Medicine being held in San Francisco.

11 Feb 2007

How honest is your doctor when it comes to controversial issues?

According to a new study some doctors apparently consider it perfectly acceptable to withhold information regarding issues such as birth control, abortion and sedating dying patients, and even more of the medical profession feel under no obligation to tell patients where or how they access such advice or care.

8 Feb 2007

High-dose Lipitor therapy cuts risk of hospitalizations for heart failure

Patients with coronary heart disease who took Lipitor (atorvastatin calcium) 80 mg tablets reduced their risk of hospitalizations due to heart failure compared to patients taking the 10 mg dose of Lipitor, according to a new analysis of a subset of patients from the five-year TNT (Treating to New Targets) study, published in today's issue of Circulation.

7 Feb 2007

Autism, hyperactivity and Tourette's syndrome on the increase in children

A comprehensive Danish study has found that over a 10-year period there has been in Denmark a substantial rise in cases in children of autism, hyperactivity and Tourette's syndrome.

7 Feb 2007

Horse genome sequence assembled

The first draft of the horse genome sequence has been deposited in public databases and is freely available for use by biomedical and veterinary researchers around the globe, leaders of the international Horse Genome Sequencing Project announced today.

7 Feb 2007

Statins show extra benefit in raising "good" HDL cholesterol levels

New research suggests that popular statin drugs may not only lower levels of "bad" LDL cholesterol but also raise levels of "good" HDL cholesterol.

7 Feb 2007

The skin is alive ... with a zoo of bugs!

According to a new study, the largest organ in our body, the skin, is home to a virtual zoo of bacteria some of which are have never been seen before.

7 Feb 2007

Combined effects of aging and obesity epidemic results in bigger body size among the elderly

When it comes to body fat, today's older adults face a double whammy, according to new research from Wake Forest University School of Medicine and colleagues. Up until age 80, older adults not only gain fat as they age -- but because of the obesity epidemic -- they actually begin their older years fatter.

7 Feb 2007

Single transcription factor GABP a major player in cell growth

When cells go about the business of dividing, they can get sidelined. Maybe there aren't enough nutrients. Maybe there aren't the right signals to resume multiplying. Either way, cells go quiet.

7 Feb 2007

Machine learning speeds up Intensity Modulated Radiation Therapy

A new computer-based technique could eliminate hours of manual adjustment associated with a popular cancer treatment.

7 Feb 2007

Chinese authorities prevent HIV/AIDS advocate from coming to U.S.

Chinese HIV/AIDS advocate and retired physician Gao Yaojie last week was put under house arrest by Chinese authorities to prevent her from visiting the U.S. next month to accept an award from the group Vital Voices Global Partnership, the New York Times reports.

7 Feb 2007

FDA clears MammaPrint test for marketing

The Food and Drug Administration (FDA) has cleared for marketing a test that determines the likelihood of breast cancer returning within five to 10 years after a woman's initial cancer. It is the first cleared molecular test that profiles genetic activity.

6 Feb 2007

Contraceptive gap in developed world

Analysis of survey data from 55 developing countries has shown that, although the use of contraception is increasing, its use by the poorest people remains low. A 'contraceptive gap' separates the very poor from the rest of society.

6 Feb 2007

Human proteins evolving slowly thanks to multi-tasking genes

Many human proteins are not as good as they might be because the gene sequences that code for them have a double role which slows down the rate at which they evolve, according to new research published in PLoS Biology.

6 Feb 2007