New approach sheds light on ways Circadian disruption affects human health

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Troy, N.Y. – Growing evidence indicates that exposure to irregular patterns of light and darkness can cause the human circadian system to fall out of synchrony with the 24-hour solar day, negatively affecting human health — but scientists have been unable to effectively study the relationship between circadian disruptions and human maladies.

People only eat 1 when the chips are brown

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AMARILLO – Dr. Don Henne isn't wasting his degree when he's standing by the deep fryer waiting for potato slices to turn brown. He's conducting research that will help the potato industry and consumers.

Henne, an assistant research scientist in the Texas AgriLife Research plant pathology program in Amarillo, is one of many who are trying to find answers about zebra chip. Zebra chip is the latest disease to plague the potato industry, especially those in the chipping business.

MDCT, virtual gastroscopy and MPR images differentiate malignant and benign gastric ulcers

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Multidetector CT using virtual gastroscopy and post contrast enhanced multiplanar reformation images can be useful in differentiating between malignant and benign gastric ulcers, according to a recent study conducted by researchers from Kaohsiung Medical University Hospital in Kaohsiung, Taiwan.

Genetic cause of innate resistance to HIV/AIDS

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This press release is available in French.

Montreal, 16 July 2008 - Some people may be naturally resistant to infection with HIV, the virus that causes AIDS. The results of a study conducted by Dr. Nicole Bernard of the Research Institute of the McGill University Health Centre (MUHC) bring us closer to a genetic explanation. Her study findings were published on July 16 in the journal AIDS.

Psychological and social issues associated with tooth loss

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New paper addresses myths, realities of government retiree health care crisis

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While some states are taking adequate steps to address the cost of retiree health-care benefits, others – including New Jersey, New York, California and North Carolina – are facing tens of billions of dollars in so-called "unfunded liabilities." The myths and realities of this potential crisis are laid out in a new issue brief written by Dr. Robert Clark, a professor of economics and of management, innovation and entrepreneurship at North Carolina State University, and released by the Center for State and Local Government Excellence.

New research from Rhode Island Hospital may help predict outcomes for stomach cancer patients

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PROVIDENCE, R.I. – Researchers at Rhode Island Hospital have identified two potential molecular markers that may predict outcomes for patients with stomach cancer, one of the most common and fatal cancers worldwide.

According to the study, published in the July 1 issue of Clinical Cancer Research, patients who had poor outcomes following surgery for stomach cancer also had extremely low amounts of two proteins, known as gastrokine 1 and 2 (GKN1 and GKN2), which are produced by normal stomach cells.

Using magenetic nanoparticles to combat cancer

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Scientists at Georgia Tech have developed a potential new treatment against cancer that attaches magnetic nanoparticles to cancer cells, allowing them to be captured and carried out of the body. The treatment, which has been tested in the laboratory and will now be looked at in survival studies, is detailed online in the Journal of the American Chemical Society.

Researchers discover link between organ transplantation and increased cancer risk

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PHILADELPHIA – Researchers have determined a novel mechanism through which organ transplantation often leads to cancer, and their findings suggest that targeted therapies may reduce or prevent that risk.

In the July 15, 2008, issue of Cancer Research, researchers at Harvard Medical School found in animal and laboratory experiments that the anti-rejection, immunosuppressive drug cyclosporine ramps up expression of vascular endothelial growth factor (VEGF), which signals the growth of new blood vessels that can feed tumors.

Study shows paradoxical relationship between dengue hemorrhagic fever and its carrier mosquitoes

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A study by researchers in Thailand, Japan, and the UK has shown a negative correlation between dengue hemorrhagic fever (DHF) and the density of the Aedes mosquitoes that transmit the virus. The study, published July 16th in the open-access journal PLoS Neglected Tropical Diseases, explains how current efforts to reduce the mosquitoes may actually increase the incidence of the potentially fatal viral disease.