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Germany must take action against secondhand smoke

Tobacco smoke in enclosed spaces is not simply a nuisance: it is a threat to health with fatal consequences. This is the conclusion reached by the German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ) in its latest publication.

12 Dec 2005

SPARC promotes heart muscle formation from stem cells

The protein SPARC plays a key role in the development of heart muscle in the embryo. An Austrian Science Fund FWF project has discovered this previously unknown role of SPARC.

12 Dec 2005

Finding how water channels - aquaporins - open and close may lead to new drugs

Living organisms are dependent on being able to adjust the water content in their cells. This is achieved by regulating the flow of water through the cell membrane.

12 Dec 2005

Cancer road map shows how cancer spreads

Scientists at Cornell University in New York have discovered how cancer spreads from a primary site to other places in the body.

11 Dec 2005

Sleep apnea increases the risk of stroke four fold

Canadians and U.S. researchers say that people who suffer from sleep apnea are at a higher risk of having a stroke than those without the condition.

7 Dec 2005

Cancer, genes and broccoli

People who gain less protection from cancer by eating broccoli may be able to compensate for the difference in their genetic make-up by eating 'super broccoli', a variety with higher levels of the active plant chemical sulforaphane, or by eating larger portions.

7 Dec 2005

Effects of mobile phones on attention

Seeking to bring clarity to the debate on mobile phone use, researchers from the University of Essex have published the results of an investigation into the effects of mobiles on attention.

7 Dec 2005

Novel approach to treatment of depression and anxiety

A group of investigators of the University of Bologna (Giovanni Fava, Chiara Ruini and Chiara Rafanelli) have published an article on a novel approach to treatment of depression and anxiety in the November issue of the Journal of Clinical Psychiatry.

7 Dec 2005

Genetic testing for Parkinson disease, is there a point?

Should we start being genetically tested for Parkinson’s disease (PD)? According to research just published in the December issue of the "journal Movement Disorders" this might be a possibility in the future if you belong to a family affected by G2019S, a genetic mutation responsible for some PD cases.

7 Dec 2005

Importance of telomeres in preserving genome integrity and preventing cancer development

Researchers at the Salk Institute for Biological Studies discovered that cells co-opted the machinery that usually repairs broken strands of DNA to protect the integrity of chromosomes.

7 Dec 2005

New type of sulfite reductase

Biswarup Mukhopadhyay and Eric Johnson from the Virginia Bioinformatics Institute at Virginia Tech have discovered a novel enzyme that represents an ancient detoxification system and provides a clue to the development of early metabolism on earth.

7 Dec 2005

Risedronate prevents bone loss and periodontal disease

Drugs that reverse and prevent bone loss due to osteoporosis also significantly ward off periodontal disease, according to a graduate of the Case Western Reserve University School of Dental Medicine who reports in the current Menopause journal article, "Periodontal Assessments of Postmenopausal Women Receiving Risedronate."

7 Dec 2005

Modified version of Atkins diet effective at controlling childhood seizures

A modified version of a popular low-carbohydrate, high-fat diet is nearly as effective at controlling seizures as the highly restrictive ketogenic diet, Johns Hopkins Children's Center researchers report.

7 Dec 2005

MicroRNAs greatly influence the evolution of genes

RNA continues to shed its reputation as DNA's faithful sidekick. Now, researchers in the lab of Whitehead Institute Member David Bartel have found that a class of small RNAs called microRNAs influence the evolution of genes far more widely than previous research had indicated.

7 Dec 2005

Chemotherapy is a beneficial treatment women and elderly

Although all eligible patients with stage III colon cancer should be offered adjuvant chemotherapy treatment because it improves survival, up to one-third are not, and many of these excluded patients are women and the elderly, say researchers who looked at data from more than 85,000 patients.

7 Dec 2005

New cancer detection method

University of Florida researchers say they are a step closer to a technique to easily detect a wide variety of cancers before symptoms become apparent.

7 Dec 2005

Suddenly sugar isn't looking so sweet

University of Florida researchers have identified one possible reason for rising obesity rates, and it all starts with fructose, found in fruit, honey, table sugar and other sweeteners, and in many processed foods.

7 Dec 2005

Stem cells may cause some forms of bone cancer

The researchers are the first to identify a population of cells with characteristics of adult and embryonic stem cells in cultures derived from biopsies of patients' bone tumors. They describe their findings in the medical journal Neoplasia.

7 Dec 2005

Generation of neoantigenic epitopes after posttranslational modification of Type II collagen by factors present within the inflamed joint

Rheumatoid arthritis (RA) is an autoimmune disease characterized by chronic inflammation of the joints, which gradually erodes the cartilage and bone.

7 Dec 2005

Transport mechanisms for serotonin

Researchers at The Forsyth Institute have discovered that the transport mechanisms for serotonin - the chemical substance involved in transmitting signals between neurons, and which has a role in anxiety and mood disorders - play a key role in determining where organs are positioned in the body during embryonic development.

7 Dec 2005