http://www.generef.com/ GeneRef - Science News, Genomics, Bioinformatics, Nanotechnology, A Global Resource en-us Wed, 10 Mar 2010 00:35:01 PDT kcowing@spaceref.com (Keith Cowing) mkboucher@spaceref.com (Marc Boucher) Copyright 2009, SpaceRef Interactive Inc. http://www.generef.com/images/generef.sm.jpg http://www.generef.com/ 100 25 GeneRef - Science News, Genomics, Bioinformatics, Nanotechnology, A Global Resource http://generef.com/newsstory.rss.html?pid=77000 http://generef.com/newsstory.rss.html?pid=77000 A mathematical model developed at Purdue University can predict complex signaling patterns that could help scientists determine how stem cells in an embryo later become specific tissues, knowledge that could be used to understand and treat developmental d Tue, 9 Mar 2010 09:17:18 PDT http://generef.com/newsstory.rss.html?pid=76994 http://generef.com/newsstory.rss.html?pid=76994 A Princeton University-led research team has discovered that protein competition over an important enzyme provides a mechanism to integrate different signals that direct early embryonic development. The work suggests that these signals are combined long b Tue, 9 Mar 2010 08:17:15 PDT http://generef.com/newsstory.rss.html?pid=76973 http://generef.com/newsstory.rss.html?pid=76973 Plaques and tangles in the brains of Alzheimer's patients mark its slow, inexorable progression. Finding new drugs to prevent plaques is currently the best hope for sufferers. However, efficient drug screens that detect plaque formation are often impossi Mon, 8 Mar 2010 14:17:18 PDT http://generef.com/newsstory.rss.html?pid=76961 http://generef.com/newsstory.rss.html?pid=76961 Scientists have discovered that the drastic decline in Arctic musk ox populations that began roughly 12,000 years ago was due to a warming climate rather than to human hunting. The research is the first study to use ancient musk ox DNA collected from acro Mon, 8 Mar 2010 12:18:22 PDT http://generef.com/newsstory.rss.html?pid=76960 http://generef.com/newsstory.rss.html?pid=76960 One of the biggest questions facing scientists today is how life began. Scientists at Georgia Tech have discovered that small molecules could have acted as "molecular midwives" in helping the building blocks of life's genetic material form long chains an Mon, 8 Mar 2010 12:18:21 PDT http://generef.com/newsstory.rss.html?pid=76958 http://generef.com/newsstory.rss.html?pid=76958 Immune cells ensnare dangerous cells that are on the run with a bungee-like nanotube, according to research published today in the Proceedings of the National Academy of Sciences. The study, by researchers from Imperial College London, shows that natural Mon, 8 Mar 2010 12:17:24 PDT http://generef.com/newsstory.rss.html?pid=76932 http://generef.com/newsstory.rss.html?pid=76932 Mice are in many ways similar to Homo sapiens on a fundamental level. That is why the law in this part of the world only permits scientists to conduct research on human embryonic stem cells when they have "clarified in advance" their specific questions by Mon, 8 Mar 2010 07:17:17 PDT http://generef.com/newsstory.rss.html?pid=76927 http://generef.com/newsstory.rss.html?pid=76927 There is a link between repeated anesthesia in children and memory impairment, though physical activity can help to form new cells that improve memory, reveals new research from the Sahlgrenska Academy at the University of Gothenburg, Sweden. Mon, 8 Mar 2010 06:17:24 PDT http://generef.com/newsstory.rss.html?pid=76913 http://generef.com/newsstory.rss.html?pid=76913 Pediatrics researchers have identified the first major gene location responsible for a severe, often painful food allergy called eosinophilic esophagitis (EoE). In this disease, which may cause weight loss, vomiting, heartburn and swallowing difficulties, Sun, 7 Mar 2010 10:18:02 PDT http://generef.com/newsstory.rss.html?pid=76911 http://generef.com/newsstory.rss.html?pid=76911 Scientists have found that vitamin D is crucial to activating our immune defenses and that without sufficient intake of the vitamin - the killer cells of the immune system -- T cells -- will not be able to react to and fight off serious infections in the Sun, 7 Mar 2010 10:17:15 PDT http://generef.com/newsstory.rss.html?pid=76912 http://generef.com/newsstory.rss.html?pid=76912 MIT chemical engineers have built a sensor array that, for the first time, can detect single molecules of hydrogen peroxide emanating from a single living cell. Sun, 7 Mar 2010 10:17:15 PDT http://generef.com/newsstory.rss.html?pid=76886 http://generef.com/newsstory.rss.html?pid=76886 There's an epidemic in progress, and it has nothing to do with the flu. A ground-breaking study recently published in the JCEM found an astonishing 59 percent of study subjects had too little vitamin D in their blood. Nearly a quarter of the group had se Fri, 5 Mar 2010 08:17:18 PDT http://generef.com/newsstory.rss.html?pid=76882 http://generef.com/newsstory.rss.html?pid=76882 Researchers at Kansas State University recently published an academic journal article discussing the potential for nutrigenomics, a field that studies the effects of food on gene expression. The researchers discussed the possibility of using food to preve Fri, 5 Mar 2010 07:18:24 PDT http://generef.com/newsstory.rss.html?pid=76880 http://generef.com/newsstory.rss.html?pid=76880 Scientists from the Max Planck Institute of Molecular Cell Biology and Genetics in Dresden, Germany, applied a new strategy to identify and characterize genes involved in endocytosis. From their findings the scientists also hope to derive significant info Fri, 5 Mar 2010 06:17:25 PDT http://generef.com/newsstory.rss.html?pid=76879 http://generef.com/newsstory.rss.html?pid=76879 Research presented by P&G Beauty & Grooming scientists at the 68th Annual Meeting of the American Academy of Dermatology (Miami Beach, Fla., March 5-9) examines skin care science from multiple perspectives, offering insights into how ingredient formulatio Fri, 5 Mar 2010 04:18:02 PDT http://generef.com/newsstory.rss.html?pid=76859 http://generef.com/newsstory.rss.html?pid=76859 Responding to challenges to the hypothesis that an asteroid impact caused a mass extinction on Earth 65 million years, a panel of 41 scientists re-analyzed data and provided new evidence, concluding that an impact in Mexico was indeed the cause of the mas Thu, 4 Mar 2010 11:18:15 PDT http://generef.com/newsstory.rss.html?pid=76841 http://generef.com/newsstory.rss.html?pid=76841 Scientists with the Joint Genome Institute have sequenced the genome of a weird creature that exists as an amoeba until the food runs out, then turns into a two-tailed swimmer to find new hunting grounds. The organism, Naegleria, is an early eurkaryote -- Thu, 4 Mar 2010 09:17:20 PDT http://generef.com/newsstory.rss.html?pid=76804 http://generef.com/newsstory.rss.html?pid=76804 An early test for fungal infections that measures how a patient's genes are responding could save the lives of some very sick patients. Researchers at Duke University's Institute for Genome Sciences & Policy have devised an early gene-expression test fo Wed, 3 Mar 2010 11:18:16 PDT http://generef.com/newsstory.rss.html?pid=76796 http://generef.com/newsstory.rss.html?pid=76796 Until now, paleontologists have generally believed that the closest relatives of dinosaurs possibly looked a little smaller in size, walked on two legs and were carnivorous. However, a research team including Randall Irmis, curator of paleontology at the Wed, 3 Mar 2010 10:18:17 PDT http://generef.com/newsstory.rss.html?pid=76797 http://generef.com/newsstory.rss.html?pid=76797 A new study suggests that mitochondria can be released into the bloodstream following physical injury, resulting in a sepsis-like immune response, and leading to the onset of the systemic inflammatory response syndrome. Wed, 3 Mar 2010 10:18:17 PDT