In the News
OHSU Researchers Discover Potential Mechanism To Repair Brain Damage L
Oregon Health &Science University researchers have identified some of the key factors that prevent the repair of brain damage caused by multiple sclerosis (MS), complications of premature birth, and other diseases and conditions. The findings offer important clues about why the nervous system fails to repair itself and suggest ways that at least some forms of brain damage could be reversed. Keeping Cancer In Check
Researchers atthe University of Pennsylvania School of Medicine have identified in normal cells that a common metabolic enzyme, which acts as a rheostat of cellular conditions, also controls cell replication. This control is managed through p53, the much-studied protein implicated in many types of cancer. The discovery of the interaction between these two molecules may lead to new ways to fight cancer. Tumor Cells Evade Death Through Autophagy
Autophagy is a cellular process that enables cells to turnover their contents, something that they do frequently. Autophagy is initiated in tumor cells by chemotherapy and radiation, but it is not known if this contributes to tumor cell death or helps tumor cells survive the anti-cancer therapy. Pirates of the Potter-ian
J.K. Rowling comes under fire for inadvertently encouraging people to distribute her latest novel, Harry Potter and the Half-Blood Prince, over the internet. By Robert Andrews. Dense Breasts, Hormone Levels Are Two Separate, Independent Risk Facto
The density of a woman's breast tissue and her level of sex hormones are two strong and independent risk factors for breast cancer, according to a team of researchers from Harvard and Georgetown universities. The finding dispels the common belief that the risk associated with dense breasts merely reflects the same risk associated with high levels of circulating sex hormones, they say. Flipped Genetic Sequences Illuminate Human Evolution And Disease
Chunks of inverted DNA are hundreds of times more common in primates than previously thought. These large structural changes in the human and chimpanzee genomes, called inversions, may account for much of the evolutionary difference between the two species. They may also shed light on genetic changes that lead to human disease. US Hospitals Report Infections Increasing In Frequency And Cost
A new review of inpatient data from US hospitals shows that the number of infections caused by a common bacterium increased by over 7 percent each year from 1998 to 2003. The attendant economic burden to hospitals increased by nearly 12 percent annually. Key To Out-of-control Immune Response In Lung Injury Found
Researchers have discovered how a protein modulates the inflammatory response in sudden, life-threatening lung failure. Acute Respiratory Distress Syndrome, or ARDS, is an often fatal complication of severe traumatic injury, bacterial infections, blood transfusions and overdoses of some medications. In ARDS, the lungs become swollen with fluid and breathing becomes impossible. Robots Taking Over The Job On Offshore Oil Drilling Platforms
Researchers are developing robots to operate offshore oil platforms. A lot of things have to be thought out carefully when human actions are replaced by robot movements. Sensors are one aspect of this. Another is the matter of operations that involve contact, such as when a robot has to pick up something from the floor. Contact operations are a particular challenge, because the robot is very strong and it can easily destroy the equipment with which it comes into contact, unless we keep its strength fully under control. The robot is similar to a computer, in that it does exactly what it is told. Unlike a human being, it will not stop moving by itself or move aside if it collides with something else. Intensive Training Of Young Tennis Players Can Cause Spinal Damage, St
The intensive training given to young elite tennis players damages their spines, according to research published in the British Journal of Sports Medicine. Magnetic resonance imaging (MRI) scans of young elite tennis players with no symptoms of pain showed a variety of spinal abnormalities in the lower back, some of which were irreparable.
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