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Findings In DNA Packaging Hold Promise For Heart Regeneration And Understanding Congenital Heart Defects
Date: Oct-01-2012A new regulator for heart formation has been discovered by studying how embryonic stem cells adjust the packaging of their DNA. This approach to finding genetic regulators, the scientists say, may have the power to provide insight into the development of any tissue in the body - liver, brain, blood and so on. A stem cell has the potential to become any type of cell. Once the choice is made, the cell and other stem cells committed to the same fate divide to form organ tissue...
Probability Maps Help Sniff Out Food Contamination
Date: Oct-01-2012Uncovering the sources of fresh food contamination could become faster and easier thanks to analysis done at Sandia National Laboratories' National Infrastructure Simulation and Analysis Center (NISAC). The study, in the International Journal of Critical Infrastructures, demonstrates how developing a probability map of the food supply network using stochastic network representation might shorten the time it takes to track down contaminated food sources...
Muscle Mass Mystery May Lead To Treatment For Muscular Dystrophy And Other Muscle Wasting Diseases
Date: Oct-01-2012Working with mice, Johns Hopkins researchers have solved a key part of a muscle regeneration mystery plaguing scientists for years, adding strong support to the theory that muscle mass can be built without a complete, fully functional supply of muscle stem cells. "This is good news for those with muscular dystrophy and other muscle wasting disorders that involve diminished stem cell function," says Se-Jin Lee, M.D., Ph.D...
Prison Treatment Of Hepatitis C Infection Is Good Public Policy
Date: Oct-01-2012Incarcerated patients with chronic hepatitis C virus (HCV) infection are just as likely to respond to treatment for the disease as patients in the community, according to findings published in the October issue of Hepatology, a peer-reviewed journal of the American Association for the Study of Liver Diseases. The study from the University of Wisconsin School of Medicine and Public Health (SMPH) in Madison found that HCV patients in prison were just as likely to achieve a sustained viral response (SVR) as non-incarcerated patients...
"Smart" Surgical Tool For Superhuman Precision
Date: Oct-01-2012Even the most skilled and steady surgeons experience minute, almost imperceptible hand tremors when performing delicate tasks. Normally, these tiny motions are inconsequential, but for doctors specializing in fine-scale surgery, such as operating inside the human eye or repairing microscopic nerve fibers, freehand tremors can pose a serious risk for patients. By harnessing a specialized optical fiber sensor, a new "smart" surgical tool can compensate for this unwanted movement by making hundreds of precise position corrections each second - fast enough to keep the surgeon's hand on target...
The First Ever Estimate Of The Economic Burden Of Cancer In Europe Shows That It Exceeds 124 Billion Euros
Date: Oct-01-2012New studies that reveal for the first time the real economic and human costs of caring for cancer patients in Europe will be presented during the ESMO 2012 Congress of the European Society for Medical Oncology in Vienna. "Here we have two studies of enormous importance," noted Prof Peter Boyle, President of the International Prevention Research Institute in Lyon, France, Member of the ESMO Faculty group on Cancer Prevention, who was not involved in the studies...
Pain Following Tumor Removal Reduced By Single-Site Laparoscopic Surgery
Date: Oct-01-2012Researchers at the University of California, San Diego School of Medicine have found that recovery from an emerging, minimally invasive surgical technique called Laparo-Endoscopic Single-Site Surgery (LESS) was less painful for kidney cancer patients than traditional laparoscopic surgery. Study results were published in the online edition of Urology...
Better Detectiom Of High-Grade Prostate Cancers With Less Biopsies, With Contrast-Enhanced Ultrasound
Date: Oct-01-2012Microbubble technique could serve as another monitoring tool for active surveillance in low-grade cancer patients, say Thomas Jefferson University researchers Contrast-enhanced ultrasound was found to better detect high-grade prostate cancer than conventional methods, making it a more appropriate approach for screening clinically important cancers and monitoring low-risk ones with less biopsies, researchers from Thomas Jefferson University and Hospitals conclude in a phase III study published online in the Journal of Urology...
Testing New Technology That Could Aid In Breast Cancer Diagnosis & Treatment
Date: Oct-01-2012New optical imaging technology developed at Tufts University School of Engineering could give doctors new ways to both identify breast cancer and monitor individual patients' response to initial treatment of the disease. A five-year clinical study of the procedure, funded by a $3.5 million grant from the National Institutes of Health, is now underway at Tufts Medical Center in Boston. The non-invasive technology uses near infrared (NIR) light to scan breast tissue, and then applies an algorithm to interpret that information...
Dark Chocolate Flavonoid Makes Snails Smarter
Date: Oct-01-2012Type the word 'superfood,' into a web browser and you'll be overwhelmed: some websites even maintain that dark chocolate can have beneficial effects. But take a closer look at the science underpinning these claims, and you'll discover just how sparse it is. So, when University of Calgary undergraduate Lee Fruson became curious about how dietary factors might affect memory, Ken Lukowiak was sceptical. 'I didn't think any of this stuff would work', Lukowiak recalls...
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