السبت، 14 يوليو 2012

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Mutation in gene IDH a possible target for AML treatment

Posted: 13 Jul 2012 07:39 PM PDT

Though the IDH gene seems far removed from cancer, mutation in the gene starts a cascade that predicts an aggressive form of AML. Doctors may be able to target this mutation for therapy.

New proteins to clear the airways in cystic fibrosis and COPD

Posted: 13 Jul 2012 09:29 AM PDT

Scientists discovered a new strategy to help CF and COPD patients clear the thick and sticky mucus clogging their lungs, leading to life-threatening infections. The report shows the "SPLUNC1" protein and its derivative peptides may help thin mucus by affecting the epithelial sodium channel. Along with its implications for cystic fibrosis and COPD, the research enhances the understanding of hypertension due to its role in controlling blood pressure.

Questionnaire completed by parents may help identify one-year-olds at risk for autism

Posted: 13 Jul 2012 09:28 AM PDT

Researchers have found that 31 percent of children identified as at risk for autism spectrum disorders (ASD) at 12 months received a confirmed diagnosis of ASD by age 3 years. In addition, 85 percent of the children found to be at risk for ASD based on results from the First Year Inventory (FYI), a 63-item questionnaire filled out by their parents, had some other developmental disability or concern by age three.

How cells degrade aberrant membrane proteins

Posted: 13 Jul 2012 06:52 AM PDT

Researchers have achieved unexpected insights into the process of how damaged proteins are degraded within cells. Their work focused on the function of a special protease. This enzyme can hydrolyze peptide bonds in the plane of cellular membranes, a site where such water-requiring reactions commonly do not occur. The scientists can now show that this unusual protease recognizes and degrades aberrant proteins directly in the membrane.

New tech for complex micro structures for use in sensors and other apps

Posted: 13 Jul 2012 06:16 AM PDT

Chemists have developed new materials and nanofabrication techniques for building miniaturized versions of components needed for medical diagnostics, sensors and other applications. These miniaturized components -- many impossible to make with conventional techniques -- would allow for rapid analysis at lower cost and with small sample volumes.

Copper's previously unknown exit strategy from the body

Posted: 13 Jul 2012 06:16 AM PDT

Scientists have long known that the body rids itself of excess copper and various other minerals by collecting them in the liver and excreting them through the liver's bile. However, a new study suggests that when this route is impaired there's another exit route just for copper: A molecule sequesters only that mineral and routes it from the body through urine.

Chemicals in personal care products -- phthalates -- may increase risk of diabetes in women

Posted: 13 Jul 2012 05:31 AM PDT

Researchers have shown an association between increased concentrations of phthalates in the body and an increased risk of diabetes in women. Phthalates are endocrine disrupting chemicals that are commonly found in personal care products such as moisturizers, nail polishes, soaps, hair sprays and perfumes.

Want to lose weight? Keep a food journal, don't skip meals and avoid going out to lunch

Posted: 13 Jul 2012 05:00 AM PDT

Women who want to lose weight should faithfully keep a food journal, and avoid skipping meals and eating in restaurants – especially at lunch – suggests new research.

Many more elderly people could benefit from drugs to prevent heart disease

Posted: 12 Jul 2012 07:48 PM PDT

More patients aged 75 and over should be prescribed drugs to help lower their risk of cardiovascular disease, a study published today on bmj.com suggests.

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