Daily non-political popular news in brief.
Mechanism of nicotine's learning effects explored
04-04-2007 · EurekAlert!While nicotine is highly addictive, researchers have also shown the drug to enhance learning and memory -- a property that has launched efforts to develop nicotine-like drugs to treat cognitive deficits in Alzheimer's and Parkinson's diseases, schizophrenia and attention-deficit/hyperactivity disorder.
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Keywords: mechanism, nicotine, learning, effects, explored, effect
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- Large dose dexamethasone plays important roles in severe acute pancreatitis
11-02-2007 · EurekAlert!
The sound therapeutic effects of large dose dexamethasone on severe acute pancreatitis have been demonstrated, but the mechanism of large dose dexamethasone treatment in SAP has not been explored. A research group in Hangzhou, China, demonstrated that potential mechanisms were related to the inflammatory mediators inhibition and pancreatic acinar cell apoptosis, based on the application of the tissue microarray technique.
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- Prenatal nicotine exposure can lead to cardiac function reprogramming in adult offspring
05-01-2007 · EurekAlert!
New study using laboratory rats provides strong evidence that the effects of maternal smoking during the prenatal period of life can lead to cardiac vascular dysfunction beyond the formative years -- and into adulthood. What's more, the effect of nicotine shows a gender dichotomy with females being more susceptible than males.
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- Study finds oysters can take heat and heavy metals, but not both
12-13-2006 · EurekAlert!
Could low-level heavy metal pollution be combining with warm water temperatures to fatally weaken sea life? A study examining the joint effects of cadmium and temperature on mitochondrial metabolism in oysters finds a combined effect that is potentially lethal and could be a significant contributor to recent oyster declines. The research has broad implications for cold-blooded marine organisms.
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- It's never too late to get it back! Aging interrupted
04-01-2007 · EurekAlert!
Scientists have discovered that reducing calorie intake later in life can still induce many of the health and longevity benefits of life-long calorie reduction. Importantly, this also includes anti-cancer effects. They are using this knowledge to establish a novel screening technique to find drugs which mimic this longevity effect.
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- Smoking linked to sleep disturbances
02-04-2008 · EurekAlert!
New research in the journal Chest shows that cigarette smokers are four times as likely as nonsmokers to report feeling unrested after a night's sleep. Smokers also spend less time in deep sleep and more time in light sleep than nonsmokers. Researchers speculate that the stimulating effects of nicotine could cause smokers to experience nicotine withdrawal each night, which may contribute to disturbances in sleep.
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- A possible route to preventing Alzheimer's cognitive decline?
09-05-2007 · EurekAlert!
In experiments with mice, researchers have discovered a mechanism by which the toxic brain protein produced in Alzheimer’s disease (AD) could contribute to the cognitive deficits that are its hallmark. They found evidence that the toxic protein, called Aâ peptide, triggers overexcitation of neurons in the brain’s learning centers, inducing compensatory rewiring of brain circuitry in the centers—all of which could cause deterioration of neural function.
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- Electroacupuncture at PC6 may decrease frequency of transient lower esophageal sphincter relaxation
10-10-2007 · EurekAlert!
New research shows that electroacupuncture at PC6 may decrease the frequency of transient lower esophageal sphincter relaxation, which is the main mechanism underlying gastroesophageal reflux disease. This effect appears to act at the brain stem, and may be mediated through NO, CCK-A and mu-opioid receptors.
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- Conference organised at University to mark 50th anniversary of European Union
10-26-2007 · University of Bath
The effect of the European Union's trade policy on businesses in the west of England will be explored at a conference on November 14 organised at the University of Bath to mark the 50th anniversary of the EU.
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- Study: Re-engineered Gleevec reduces heart risks
12-03-2007 · EurekAlert!
Using a new bottom-up approach for rational drug design, researchers at Rice University and the University of Texas M. D. Anderson Cancer Center have reengineered the powerful anticancer drug imatinib -- best known by its brand name Gleevec -- to more specifically target one type of cancer while potentially curbing a rare life-threatening cardiotoxic side effect. The re-design strategy employed in the study is broadly applicable to reducing side effects in other drugs.
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- Researchers study effects of Aricept in pediatric brain cancer survivors
11-03-2006 · EurekAlert!
A pediatric oncologist at Brenner Children's Hospital is evaluating whether a drug typically used to treat Alzheimer's patients will help brain cancer survivors avoid the learning and memory problems that are common after radiation therapy.
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