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Switching to an aromatase inhibitor provides mortality benefit in early breast carcinoma

For breast cancer patients taking tamoxifen, switching to an aromatase inhibitor within three years significantly improves survival rates, according to a new study.

12 Feb 2007

Changes in breast cancer management

Aggressive research currently underway brings hope of dramatic advances in breast cancer management, according to a new review.

12 Feb 2007

Death toll at 65 as two more Indonesians die from bird flu

Indonesian health officials say a 20-year-old woman who tested positive for bird flu has died, making her the country's 64th human victim of the deadly H5N1 virus.

11 Feb 2007

Type-2 diabetes genes identified

The most important genes associated with a risk of developing type-2 diabetes have been identified, scientists report today in a new study.

11 Feb 2007

PALB2 gene mutation elevates risk of breast cancer four-fold

Cancer is a complex and common disease caused by a combination of both genetic and environmental factors. An inherited predisposition seems to be involved in at least 5-10 per cent of all cases of breast cancer.

11 Feb 2007

British Government caught on the back foot over bird flu outbreak

Authorities in Britain have been caught on the back foot after it was revealed by the media that turkey meat from Hungary had been allowed into the country.

11 Feb 2007

High-dose progesterone treatment helps at-risk pregnant women avoid premature delivery

In this study, 45 women who experienced premature labor (before 37 weeks gestation) were randomly divided into treatment and observation groups. The treatment group received twice-weekly 341-mg doses of progesterone until week 36.

11 Feb 2007

BrainLAB wins patent lawsuit

The U.S. Court of Appeals for the Federal Circuit has upheld the dismissal of the patent infringement lawsuit filed by Medtronic against BrainLAB AG in 1998.

11 Feb 2007

Rate of stem cell transplants among African-Americans lower

Lower transplant rates in ethnic communities may be explained somewhat by a lack of suitable anonymous donors, a problem the medical community has long known and been working to address. Surprisingly, the study found the discrepancy in treatment held true even when the transplant was autologous (e.g. self-donated stem cells were used) or when the cells were donated by a relative, typically a sibling.

11 Feb 2007

What's the best way to treat twin-twin transfusion syndrome?

It's one of the biggest controversies in fetal surgery and the cause of heated debate among surgeons and maternal-fetal medicine physicians around the world: What's the best way to treat twin-twin transfusion syndrome (TTTS), one of the most common conditions requiring fetal surgery and the leading cause of mortality in twins?

11 Feb 2007

Back regions of the brain, which control vision, grow significantly faster than prefrontal region in newborns

The regions of the brain that control vision and other sensory information grow dramatically in the first few months following birth, while the area that controls abstract thought experiences very little growth during the same period, University of North Carolina at Chapel Hill researchers have found.

11 Feb 2007

Prospective cardiac monitoring in fetuses at risk of congenital heart block

There is an increased risk of fetal heart problems when mothers carry particular antibodies associated with rheumatic diseases, according to an abstract presented by Yale School of Medicine researchers at the Society for Maternal-Fetal Medicine Conference in San Francisco.

11 Feb 2007

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

Researchers discover master switch for a tumor suppressive network

A decades-old cancer mystery has been solved by researchers at Cold Spring Harbor Laboratory (CSHL). "We not only found a critical tumor suppressor gene, but have revealed a master switch for a tumor suppressive network that means more targeted and effective cancer therapy in the future," said CSHL Associate Professor Alea Mills, Ph.D.

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

Sperm competition phenomenon

In the context of sexual reproduction, natural selection is generally thought of as a pre-copulation mechanism. We are drawn to features of the human body that tell us our partner is healthy and will provide us a fighting opportunity to carry on our genetic lineage.

11 Feb 2007

Folate and vitamin B12 preserve cognitive function among seniors

Folate and vitamin B12, two important nutrients for the development of healthy nerves and blood cells, may work together to protect cognitive function among seniors, reports a new epidemiological study from the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University (USDA HNRCA).

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