'Imported' pollution tied to poor air quality in Texas in 2004
...des will continue. Understanding the transport and transformation of gases and aerosols over long distances is needed for improved understanding and air quality forecasting. "This event highlights the critical role imported sources can have on local air quality," said Morris. Balloon-borne data and ground observat...Mars mission Risk 29: Scientists research ways to reduce radiation-induced brain damage
...on dose-rate and mixed field effects on neoplastic transformation in vitro Jerry Shay, University of Texas Southw...ng Island, N.Y., DNA damage clusters in human cell transformation induced by single or multiple space radiation ion exposures ...Stem cells: Chemistry paves way toward promising therapies
...latest developments, including new findings on the transformation potential of adult stem cells, during a special symposium, "Emerging Technologies: Stem Cells," on Thursday, Sept. 14, in San Francisco during the Society's 232nd national meeting. All papers in this symposium, which begins at 1:30 p.m., will be pres...Ecological change, climate variation addressed at international conference, September 20-24
...conversion and habitat change unprecedented in its transformation of ecosystems, scientists have found. The result is increased "ecological scarcity"--the loss of key ecological services, which in turn has sparked interest in "valuing" these critical services. Scientist Edward Barbier of the University of Wyoming...Over the edge: New therapeutic strategy takes advantage of stressed cancer cells
...e stress in cancer cells associated with oncogenic transformation provides a basis for developing therapeutic strategies to preferentially kill cancer cells through ROS-mediated mechanisms, and compounds such as PEITC can be used to achieve such activity in vitro and in vivo. Further preclinical and clinical testin...Compounds in cranberry juice show promise as alternatives to antibiotics
...e normally rod-shaped bacteria became spherical--a transformation that has never before been observed in E. coli. Remarkably, the E. coli bacteria, all of which fall into a class called gram-negative bacteria, began behaving like gram-positive bacteria--another never-before-seen phenomenon. Since gram-negative and...One-two particle punch poses greater risk for astronauts
...at the probability that cells undergo this initial transformation depends on the time interval between the cell's exposure to protons and HZE particles. When the cells received both irradiations within 2.5 minutes to one hour, they produced about three times more anchorage-independent colonies per survivor than exp...Cigarette smoke blocks cell repair mechanism, University of Florida study shows
...at can be detrimental for the cell and can lead to transformation or carcinogenesis." In their study, funded by the National Institutes of Health and the Miami-based Flight Attendant Medical Research Institute, UF researchers exposed normal breast epithelial cells to cigarette smoke condensate-a tar derived from ...Study identifies molecular process underlying leukemia
... fusion is "necessary and sufficient" for cellular transformation to leukemia in a mouse model of the disease. They ...lation of the HoxA5 gene is necessary for cellular transformation to leukemia, the study shows. Overactive Hox genes are known to play a role in cancer, Zhang said. "...Research pinpoints West Nile virus antibody binding site
...ht and the antibody binding blocks the E protein's transformation so that fusion can't take place, then we should be able to capture the intermediate stages of this rearrangement of the E protein prior to fusion," Kaufmann said. ...UW-Madison research part of international mercury conference
...e would transform it into a more toxic form. The transformation of mercury into methylmercury is caused by bacteria, and this process has been documented in wetlands and in sediments of lakes. This natural process appears to be creating more methylmercury in wetlands around Lake Michigan than in heavily industri...News tips from the Journal of Neuroscience
...ach of these areas. Subjects performed an own-body transformation (OBT) task, in which they imagined themselves in the orientation of a schematically presented body, and a mirror (MIR) task in which subjects imagined that the figure was their reflection. The tasks differed subtly in that the OBT task required a dis...UCLA researchers transform stem cells found in human fat into smooth muscle cells
...and developing the growth factors that will induce transformation of cells more quickly. She is also starting to use smooth muscle cells for tissue engineering in the urinary tract, including the urethra. ...Tips from The Journal of Neuroscience
...of the right or left arm. Interesting, the learned transformation from movement to force involved different coordinate systems for the two hands. The right hand movement was represented as "extrinsic" coordinates, related to the hand velocity, whereas the force generated in the left hand was represented as "intrins...2006 World Food Prize recipients to be recognized at soils congress
... the complexity of Cerrado soils and showed that a transformation of the region was possible. His work uncovered an innovative soil improvement process to correct the drastic nutrient depletion of the Cerrado and counteract aluminum toxicity in the region's highly acidic soils, concluding that the Cerrado could be ...Iowa State plant scientists tweak their biopharmaceutical corn research project
...to germplasm and "not many places have the genetic transformation capabilities that Iowa State has." Lamkey and Wang...nd seed production. It was bred for the purpose of transformation not the field," Lamkey said. "The best part of this project is that finally conventional breeders li...How ancient whales lost their legs, got sleek and conquered the oceans
..., Tabin said. "Whales went through this remarkable transformation to become more like the ancestral fish," Tabin said. "Convergence of evolutionary studies and developmental genetics give us another piece in this growing tapestry of how genetic changes lead to morphological change. It is a remarkable process that w...Unique dual target specificity of kinase inhibitor key for success against cancer
...e complex signaling pathways involved in malignant transformation and to thwart to the ability of cancer cells to adapt to stress. Lipid kinases belonging to the PI3 kinase family, made up of different isoforms, promote cell growth and survival. Aberrant regulation and activation of PI3 kinases has been implicated...Environmental triggers may promote human genetic variation
...eobases in DNA to spontaneously undergo a chemical transformation known as oxidation. 8-oxoG is an oxidized form of the common nucleobase guanine (G), and when present in the genome, may form an unconventional base-pair with adenine (A). When DNA replication occurs, the abnormally placed adenine is paired with a t...Wisconsin scientists discover a master key to microbes' pathogenic lifestyles
MADISON - For some microbes, the transformation from a benign lifestyle in the soil to that of a p...But how these usually bucolic fungi undergo such a transformation to become serious pathogens has always been a puzzle. Now, however, a team of scientists from the Un...