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Previously Unknown Mechanism Of Memory Formation Discovered
Date: Feb-03-2013It takes a lot to make a memory. New proteins have to be synthesized, neuron structures altered. While some of these memory-building mechanisms are known, many are not. Some recent studies have indicated that a unique group of molecules called microRNAs, known to control production of proteins in cells, may play a far more important role in memory formation than previously thought...
Alternate Walking And Running Recommended To Save Energy, Maintain Endurance
Date: Feb-03-2013Forget "slow and steady wins the race." A new study shows that, at least sometimes, the best way to conserve energy and reach your destination on time is to alternate between walking and running - whether your goal is the bus stop or a marathon finish line. In the January 30, 2013 issue of the Journal of the Royal Society Interface, researchers examined how people budget their time as they travel on foot to reach a destination at a particular appointed time...
Star-Nosed Mole Reveals How Mammals Perceive Touch, Pain
Date: Feb-02-2013The most sensitive patch of mammalian skin known to us isn't human but on the star-shaped tip of the star-nosed mole's snout. Researchers studying this organ have found that the star has a higher proportion of touch-sensitive nerve endings than pain receptors, according to a study published in the open access journal PLOS ONE by Diana Bautista and colleagues from the University of California, Berkeley and Vanderbilt University. Touch and pain are closely intertwined sensations, but very little is known about how these sensations are detected in our cells...
Hope For New Breakthroughs In The Treatment Of Heart Failure
Date: Feb-02-2013Despite a substantial increase in the number of people suffering the debilitating and often deadly effects of heart failure, treatments for the condition have not advanced significantly for at least 10 years. An analysis by researchers at the University of North Carolina School of Medicine shows new breakthroughs could be closer than we thought...
Rapid Detection Offered By Tuberculosis Test Endorsed By WHO
Date: Feb-02-2013A diagnostic test for tuberculosis (TB) can accurately and quickly detect both TB and drug-resistant strains, according to a new study. The authors of a new systematic review assessing the diagnostic accuracy of the Xpert® MTB/RIF test published in The Cochrane Library say their study can provide timely advice for clinicians and policymakers in countries where TB is a major public health problem. Millions of people develop TB every year. Around 13% of cases occur in people living with HIV and more than a quarter of these people die as a result...
Selenium For Heart Disease Prevention In Well-Nourished Adults Not Supported By Current Evidence
Date: Feb-02-2013A systematic review published in The Cochrane Library finds that in well-nourished adults current evidence does not support selenium for preventing heart disease. The review suggests that taking selenium supplements does not reduce a person's risk of developing heart disease, although most evidence is currently limited to healthy American adults. Diet is a key factor influencing heart disease risk. Selenium is one dietary element that could potentially play a role in preventing heart disease by protecting against oxidative stress and inflammation...
Insight Into Schizophrenia
Date: Feb-02-2013Magnetic fields produced by the naturally occurring electrical currents in the brain could potentially be used as an objective test for schizophrenia and help to better understand the disease, according to new research just published. A team of researchers from Plymouth and Spain have used the non-invasive magnetoencephalogram (MEG) technique to find two spectral features that are significantly different in schizophrenia patients compared to healthy control subjects...
Low Magnesium Linked To Heart Disease
Date: Feb-02-2013Low magnesium levels have been found to be the best predictor of heart disease, contrary to the traditional belief that cholesterol or saturated fat play the biggest roles. Research scientist Andrea Rosanoff, PhD., and her colleagues conducted a detailed review of cardiovascular disease research, using studies dating back to 1937. The current review is based upon work that was started by Midred Seelig, MD, who studied the link between magnesium and cardiovascular disease for more than 40 years...
Cerebrolysin Shows Promise In Vascular Dementia
Date: Feb-02-2013Dementia patients may benefit from a promising new treatment called Cerebrolysin, according to the results of a systematic review published in The Cochrane Library. The authors brought together the most up-to-date evidence on Cerebrolysin as a treatment for vascular dementia. Vascular dementia is a common form of dementia caused by damage to the network of blood vessels supplying the brain...
Targeting Cancer Metastasis
Date: Feb-02-2013Disrupting a key interaction between two types of proteins in cells inhibits the spread of cancerous cells, providing researchers with a new pathway toward developing cancer-fighting drugs, according to new findings by Georgia State University scientists. Cell migration is essential for the spread of cancerous cells, also known as metastasis, as well as for other diseases. The research team in the labs of Zhi-Ren Liu, professor of biology, and Jenny Yang, professor of biochemistry, studied the interaction of two molecules, p68 RNA helicase and calcium-calmodulin...
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