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Watching a tumor cell migrate

Using a microfluidics device designed to reproduce the physical microenvironment of small blood vessels and the spaces between cells, researchers at the National University of Singapore have imaged single tumor cells deforming as they migrate through the device.

20 Nov 2006

Templated self-assembly of quantum dots from aqueous solution using protein scaffolds

Quantum dots are rapidly becoming biomedical researchers' tool of choice for adding a fluorescent label to a wide variety of biomolecules.

20 Nov 2006

Cancer Research Technology and University of Manchester announce collaboration in oncology with AstraZeneca

Cancer Research Technology Limited (CRT), the oncology-focused development and commercialisation company, and The University of Manchester have entered into an agreement with AstraZeneca to establish a clinical pharmacology biomarker research and discovery collaboration.

20 Nov 2006

HRT shows promise in helping visual memory of postmenopausal women

Many women experience declines in their memory during and after menopause, a change thought to be due, in part, to the rapid hormonal changes they weather during that time.

20 Nov 2006

Adolescent girls who live near parks more physically active

Adolescent girls who live within half a mile of a public park are significantly more physically active than other girls, University of North Carolina at Chapel Hill researchers have found.

20 Nov 2006

Heightening adolescent vigilance towards alcohol advertising to forestall alcohol use

A new research report from Penn State's Smeal College of Business finds that modest in-school lessons revealing the goals and effects of alcohol advertising can reduce the likelihood that adolescents will drink.

20 Nov 2006

Brookhaven target compounds to fight SARS

Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have set the stage for the rapid identification of compounds to fight against severe acquired respiratory syndrome (SARS), the atypical pneumonia responsible for about 800 deaths worldwide since first recognized in late 2002.

20 Nov 2006

Women are diagnosed with post traumatic stress disorder more than men

Males experience more traumatic events on average than do females, yet females are more likely to meet diagnostic criteria for Posttraumatic Stress Disorder (PTSD), according to a review of 25 years of research reported in the November issue of Psychological Bulletin, published by the American Psychological Association (APA).

20 Nov 2006

Risk to childhood cancer survivors for late-occurring strokes

Children who are successfully treated for brain tumors or leukemia are more likely to have strokes later in life, according to new research from UT Southwestern Medical Center.

20 Nov 2006

Yeast model system may provide a means for treating the earliest stage of Alzheimer's

A century ago this month, German psychiatrist Alois Alzheimer formally described characteristics of the neurodegenerative disease which ultimately came to bear his name. While international efforts to learn about Alzheimer's disease and develop treatments have progressed significantly in recent years, a cure remains an elusive goal.

19 Nov 2006

Cause of exercise intolerance in heart failure patients

A new study shows that blood flow to the legs is relatively normal in people with diastolic heart failure, suggesting other potential causes of their inability to do everyday activities, according to researchers at Wake Forest University Baptist Medical Center.

19 Nov 2006

Cigarette smoking and high HPV concentrations associated with greater risk of cervical cancer

Cigarette smoking and concurrent infection with high levels of the virus associated with cervical cancer can increase cancer risk by as much as 27 times, according to a study published in the November 2006 issue of Cancer Epidemiology, Biomarkers & Prevention.

19 Nov 2006

Structured exercise may enhance seniors' physical functioning

A structured exercise program may boost the physical well-being of sedentary seniors who are at risk of losing independent functioning, a new study to be published in the November 2006 Journal of Gerontology: Medical Sciences has found.

19 Nov 2006

Gene expression and lung cancer prognosis

While there have been significant advances in the use of gene expression profiling to assess a cancer prognosis, a Mayo Clinic review and analysis of existing lung cancer studies shows that this technology has not yet surpassed the accuracy of conventional methods used to assess survival in lung cancer patients.

19 Nov 2006

Evolution is driving therapeutic resistance to cancer therapies

The dynamics of evolution are fully in play within the environment of a tumor, just as they are in forests and meadows, oceans and streams.

19 Nov 2006

FDA expands use of Herceptin

The U.S. Food and Drug Administration (FDA) has expanded the approved use of Herceptin, a biological cancer drug. The new indication is for Herceptin, in combination with other cancer drugs, for the treatment of HER2 positive breast cancer after surgery (lumpectomy or mastectomy).

19 Nov 2006