A decisive step toward a cure for insulin dependent diabetes
..., only 4 of the genes responsible for this disease had been identifiedthis now makes 5. We believe there are approximately 15 genes involved in insulin-dependent diabetes; our study proved that high-density DNA microchips are effective and we hope to use them to identify all of these genes in the near fu......shock. Mice with increased levels of Cdk5 activity had more trouble letting go--or extinguishing--the mem...eded to fear the environment where the foot shocks had once occurred. "In our study, we employ mice to show that extinction of learned fear depends on ...The origin of perennial water-ice at the South Pole of Mars
...ogical Mapping Spectrometer) on board Mars Express had already found previously undetected perennial deposits of water-ice. They are sitting on top of million-year old layered terrains and provide strong evidence for a recent glacial activity. However, only now a realistic explanation for the age of the...Geologists witness unique volcanic mudflow in action in New Zealand
...ology (SOEST) at the University of Hawaii at Manoa had an amazing opportunity to study volcanic hazards f...ooner, on March 18, 2007. A lahar warning system had been installed at Mount Ruapehu, and was hailed a success after it successfully alerted officials to...Nodal status is best predictor of outcome after neoadjuvant therapy for esophageal cancer
...f the 213 patients who underwent surgery, 41 (19%) had a complete pathological response to the pre-surger...as having stage 1 disease (the least advanced), 69 had stage 2 disease, and 72 (35%) had stage 3 disease. After a median follow up of 60 months, median sur...Unraveling the physics of DNA's double helix
... phosphate backbones remained intact and therefore had only a minor influence on the force measurements, ...bited an even more complex form of elasticity than had been anticipated, the researchers reported. As they stretched the adenine chains with increasing for...Adding folic acid to flour significantly reduces congenital malformations
...t improvement occurred in the parts of Canada that had the highest rates of neural tube deformation before 1998Newfoundland, Prince Edward Island, and Nova Scotia. In Qubec, the drop was also pronounced, but closer to the Canadian average. Currently, only Canada, the United States, and Chile require th...High blood pressure medication strategy proves effective in Hispanic women
...n enrolled in the study were younger. If follow-up had continued over a longer period of time, adverse outcomes in the Hispanic women may have increased, she said. However, these women remained at a lower risk for these outcomes even after statisticians adjusted for age and other factors. Still, she w...Researchers witness natural selection at work in dramatic comeback of male butterflies
... Southeast Asian butterflies in which the mutation had already been established. "We'll likely know more in three years' time when the exact location of the suppressor gene is identified," said Charlat. "But regardless of which of the two sources of the suppressor gene is correct, natural selection is ...Bernese Mountain Dogs prone to Borrelia burgdorferi infection
...ell as a Western blot test to see whether the dogs had developed antibodies against B. burgdorferi. Of the Bernese Mountain Dogs, 58 percent had developed antibodies against B. burgdorferi, compared with only 15 percent of the control dogs. Fact...Brightly colored birds most affected by Chernobyl radiation
... Mller and Mousseau hypothesized that because they had fewer antioxidants left to mop up dangerous free radicals, these birds would most adversely affected by exposure to radiation around Chernobyl. According to Mller and Mousseau: We found that bird species differed in their response to radiation from...White blood cells are picky about sugar
...minate one pathogen from another. Rubin-Bejerano had evidence that neutrophils respond to beta-glucan. After coating tiny beads with a variety of substances (including beta-1,3-glucan and beta-1,6-glucan), she exposed them to the neutrophils and was surprised to see a striking difference in their respo...Researchers discover human embryonic stem cells are the ultimate perpetual fuel cell
...nderstanding of the growth of human stem cells. It had been thought previously that stem cells are directly influenced by cells in the local environment or niche, but the situation may be more complex. Human embryonic stem cells are perpetual machines that generate fuel for life. In this weeks Nature, ...Has science unearthed the Holy Grail of pain relief?
...ok identical to one another and so scientists have had difficulty understanding how they function, said Dr Chris Thompson, who carried out the research with Professor Alan North and Dr Sam Fountain in the Faculty of Life Sciences. By looking at slime mould we were effectively able to turn the evolution...Researchers use new approach to predict protein function
... proteins for those with amino acid sequences that had the greatest homology to the unknown proteins. The... also revealed that one family of enolase proteins had been misclassified.) Gerlt and his colleagues expect that the computational approach they pioneere...5 OHSU faculty members singled out for honors
...live cell imaging at OHSU. His research which has had continuous funding support from the National Scien... the wide range of national nanobiology experts he had assembled. Leadership: Curtis Bell, Ph.D., senior scientist at the OHSU Neurological Sciences Ins...FDA finds no strong link between tomatoes and reduced cancer risk
...ethesda, Md., discusses some of the issues the FDA had to contend with in conducting their review, such as the limited number of available clinical trials and the challenge of communicating to the public the subtleties of the FDAs decision. Neither of these concerns, however, diminishes the importance...Study shows cane sugar, corn sweeteners have similar effects on appetite
...la ate about the same amount at lunch as when they had no beverage at all. Participants ate somewhat less at lunch after drinking any of the caloric beverages, but only partially compensated for the calories they consumed in the beverage. People who drank any of the caloric beverages whether cane-sweete...Modified herpes virus keeps arteries 'free-flowing' following procedures
...sed to the herpes simplex virus during angioplasty had minimal changes in the arteries. The smooth muscle cell proliferation which causes the restenosis was very low in the group treated with herpes and remained high in the untreated group. One undesirable, yet expected outcome of angioplasty and stent......take property from Barrick Gold Corporation, which had earlier merged with the Homestake Mining Company, with the ultimate goal of converting the mine into a deep underground science and engineering laboratory. In 2004, at the urging of the Governor, the South Dakota legislature created the South Dak...