Marshfield Clinic researchers launch study of environmental causes of Alzheimer's disease
...ins - will be considered in this study. "There are controversial findings in previous studies on smoking," Ghebranious said. "Some earlier research has suggested nicotine decreases the brain plaque associated with Alzheimer's disease. Results of a new mouse study point to the opposite conclusion. More studies are ...Studies reveal how cells sense oxygen
...potential oxygen sensors. That report had remained controversial because experiments designed to test the idea by limiting mitochondrial function with nonspecific drugs yielded conflicting results. pages 393-399. DOI 10.1016/j.cmet.2005.05.003...JCI table of contents July 1, 2005
...T cells The use of IL-2 to treat HIV infection is controversial despite the first trial having been completed ten years ago. While it is established that IL-2 therapy increases the CD4+ T cell count a good thing in HIV-infected patients the immunological and clinical significance of this CD4+ T cell increase is...Burnt coal from the age of dinosaurs sheds light on today's global warming
...eets during the age of dinosaurs has always been a controversial topic. Nevertheless, McElwain and coauthors Steve Hesselbo, from the Department of Earth Sciences at the University of Oxford in England, and Jessica Wade Murphy, who was an undergraduate student in the Department of Ecology and Evolution at the Univ...Report that delayed motherhood decreases life expectancy of mouse offspring
... editors of Biology of Reproduction feel will be a controversial topic of discussion, a team of reproductive biologists headed by Juan Tarn at the Department of Pediatrics, University of Valencia, Spain, presents data in the June issue of the journal that delayed motherhood in mice results in decreased life expect...Researchers develop assay that could be applied to drug screening
...by actin in clathrin mediated endocytosis has been controversial for a long time," Zenisek said. "We've now shown in live cells that proteins involved in actin polymerization are recruited to sites of membrane scission, and that disturbing actin polymerization with the toxin latrunculin B, a toxin found in Red Sea...Lack of coherent cloning policies reflects polarized debate, limited understanding, study says
...e cloning debate an emotionally charged and highly controversial fixture of the political landscape for the past several years." However, at the state level -- as well as in other countries -- numerous laws have been passed either banning or promoting certain uses of cloning. These existing regulations, as well a...DFG to fund 14 new research training groups
...nced eighteen months ago, and is still a matter of controversial debate between federal and individual state governments, is still planned. The DFG is currently funding a total of 269 Research Training Groups, 38 of which are International Research Training Groups. The Research Training Group programme will receiv...National Academies news: Stem cell guidelines released
...den in this case is justified, given the novel and controversial nature of embryonic stem cell research." "A standard set of requirements for deriving, storing, distributing, and using embryonic stem cell lines -- one to which the entire U.S. scientific community adheres -- is the best way for this research to mov...Strongest proof yet found for prion hypothesis
...e, scrapie, kuru and chronic wasting disease. This controversial "prion hypothesis" was proposed by Stanley Prusiner in 1982, and led to Prusiner receiving the Nobel Prize in Medicine in 1997. Until now, however, scientists have been unable to confirm its validity by causing a TSE in normal lab animals by infectin...Early Universe was packed with mini black holes
...in Rees, will present new evidence to support this controversial idea at the Institute of Physics conference Physics 2005 in Warwick. Most cosmologists believe that supermassive black holes grew up in big galaxies, accumulating mass as time went on. But Haehnelt says there is increasing evidence for a different vi...UK physics conference to reveal breakthrough isolating stem cells from blood
...in Rees, will present new evidence to support this controversial idea. Most cosmologists believe that supermassive black holes grew up in big galaxies, accumulating mass as time went on. But Haehnelt says there is increasing evidence for a different view that small black holes grew independently and merged to pro...Stem-cell, cancer test and black hole breakthroughs to be revealed at UK physics conference
...by Astronomer Royal Sir Martin Rees will present a controversial new view of the role black holes played in the evolution of the universe. He will show recent evidence which suggests that super-massive black holes, which are found at the centre of galaxies, have been created by the merging of many smaller black ho...'Second messenger' NAADP shows fast, dose-related impact on satiety cycle
...h problem. Enter a recently discovered and already controversial natural molecule called nicotinic acid adenine din...y. However its mode operation remains unknown and controversial in several aspects. Results of a new study "establishes NAADP as a new second messenger, and the stu...15 generations of untrained jocks, couch potatoes show big physiological adaptations
..."Additionally, our results provide support for the controversial hypothesis that suggests that physiological systems, such as the oxygen delivery pathway, are, over time, optimized in animals," Kirkton noted. Next steps and implications for human attitudes and therapies Having demonstrated the genetic role in en...Endangered Species Act provisions appear to benefit imperiled organisms
...y J. Rachlinski, affirms the effectiveness of some controversial aspects of the act for conservation. The results could inform various efforts now under way in Congress to amend the act. The study finds that the longer species were listed under the act, the more likely they were to be improving in status and the l...Birthing a new model of aspirin therapy in preeclampsia
...n used to treat preeclampsia, but this strategy is controversial some researchers believe that it prevents preeclampsia while others find it increases related complications. In a study appearing online on March 17, in advance of the April 1 print edition of the Journal of Clinical Investigation , Colin Funk an...JCI table of contents April 1, 2005
...n used to treat preeclampsia, but this strategy is controversial some researchers believe that it prevents preeclampsia while others find it increases related complications. In a study appearing online on March 17, in advance of the April 1 print edition of the Journal of Clinical Investigation , Colin Funk an...Researchers investigate 'whole farm' approach to reduce dairy pollution
... In Central Texas, phosphorus pollution has been a controversial issue, for dairies are not the only source of phosphorus run-off, Lambert said. Natural decay of any organic material or other agricultural activities can also contribute to phosphorus run-off. It's an accepted fact that home lawn and garden fertili......could help determine the fate of something else, a controversial proposal to address the threat of global warming. ... global warming. However, this idea remains highly controversial in scientific circles given the very limited understanding of these unique systems, says Wells. Wel...