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Biological Markers Identified That May Indicate Poor Breast Cancer Prognosis
A team of researchers has found an association between breast cancer survival and two proteins that, when present in the blood in high levels, are indicators of inflammation. Using data from the Health, Eating, Activity and Lifestyle (HEAL) study sponsored by the National Cancer Institute, part of the National Institutes of Health, the researchers found that breast cancer patients with elevated levels of C-reactive protein (CRP) and serum amyloid A (SAA) were approximately two to three times more likely to die sooner or have their cancer return than those patients who had lower levels of these proteins, regardless of the patient"s age, tumor stage, race, body mass index, or history of previous cardiovascular issues. The results of this study were published online, May 26, 2009, in the Journal of Clinical Oncology.
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Bio-Inspired Cilia Mix Medical Reagents At Small Scales
The equipment used for biomedical research is shrinking, but the physical properties of the fluids under investigation are not changing. This creates a problem: the reservoirs that hold the liquid are now so small that forces between molecules on the liquid"s surface dominate, and one can no longer shake the container to mix two fluids. Instead, researchers must bide their time and wait for diffusion to occur.
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Psychologists Examine Role Of Control In Domestic Violence
Male and female perpetrators of domestic violence exhibit similar levels of controlling behaviour. This is one of the findings of a study presented at the British Psychological Society Division of Forensic Psychology annual conference yesterday, 23 June 2009 at the University of Central Lancashire, Preston.
Sexual Health

Vaginal Ring Could Protect Against HIV, Researcher Says

A researcher with Weill Cornell Medical College has developed a vaginal ring that releases microbicides and could prevent HIV and unplanned pregnancies, ANI/Times of India reports. Brij Saxena -- a professor of reproductive biology and endocrinology and lead author of a recent study on the ring in the journal AIDS -- said that laboratory testing showed the device would be effective at preventing HIV infection and pregnancy by releasing several types of nonhormonal agents and microbicides. He added that if proven successful in clinical trials, the device would allow women to effectively protect themselves from HIV and avoid pregnancy. According to Saxena, the ring releases antiretroviral drugs over a period of 28 days. He noted that the device potentially could serve as an alternative method to prevent other sexually transmitted infections. Jeffrey Laurence, co-author of the study and a physician at New York Presbyterian Hospital-Weill Cornell Medical Center, said, "No one has ever conquered a viral epidemic with treatment, so prevention is the most effective option." He added, "Ideally, an HIV vaccine is the most desirable method, but that is not foreseeable in the near future. The next best thing would be something that would prevent infection and put the power in the susceptible female partner"s control. That"s the potential a device such as this can offer" (ANI/Times of India, 5/20). Reprinted with kind permission from http://www.kaisernetwork.org. You can view the entire Kaiser Daily Health Policy Report, search the archives, or sign up for email delivery at http://www.kaisernetwork.org/dailyreports/healthpolicy. The Kaiser Daily Health Policy Report is published for kaisernetwork.org, a free service of The Henry J. Kaiser Family Foundation. © 2009 Advisory Board Company and Kaiser Family Foundation. All rights reserved.


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