Study with smokers shows vitamins combine for benefits
...adicals created by cigarette smoke and prevent the destruction of lung membranes. In this process, however, vitamin E can itself be made into a destructive radical. If adequate levels of vitamin C are present, it can help the vitamin E return to non-radical form and continue its protective role. But in the absen...VCU study shows Levitra may protect the heart
...to Kukreja, PDE-5 is an enzyme responsible for the destruction of cGMP, an intracellular messenger molecule, in heart cells. He said that the mitochondrial KATP channel and cGMP play an important role in preconditioning of the heart following a heart attack. The cGMP also has a hand in the dilation of arteries i...University of Kentucky author captures national attention with 'Lost Mountain'
...rom beginning to end the process of the industrial destruction of a mountain and the ruin of its watersheds. No other reporter has had the perseverance and the guts to do a respectable fraction of what Mr. Reece has done." Reece, who grew up in Kentucky and whose father worked in the mining industry, makes it cl...2006 Ocean Sciences Meeting: Press Conference Schedule
...ith the flooding of New Orleans and the near-total destruction of many coastal communities along the Louisiana, Mississippi, and Alabama coasts. This special session begins the creation of a scientific legacy by documenting the physical processes of this hurricane and how they interacted with the region's geolog...New 'Lemurs of Madagascar' book released
...s have disappeared from Madagascar, and if habitat destruction continues, many other species will be lost forever," said Frank Hawkins, CI's technical director in the country and a co-author of the book. Other co-authors are William R. Konstant; Edward E. Louis; Olivier Langrand; Jorg U. Ganzhorn; Serge Rajaobe...JCI table of contents, February 1, 2006
... antibodies, which led to Kupffer cellmediated RBC destruction and anemia. However, genetically-altered mice that did not express either Fc(gamma)R or C5aR were resistant to this anemia. The authors show that Fc(gamma)R stimulates production of a small protein, C5a, which activates the C5aR, eventually leading t...Report lists top 20 most-vulnerable African carnivores
...t decades, primarily due to conflicts with humans, destruction of habitat, and the loss of prey, according to the report. Also making the most-vulnerable list are cheetahs and African wild dogs, which have vanished from 75 and 89 percent of their historical habitat respectively, and Ethiopian wolves which have ...Common food preservative might provide treatment for cystic fibrosis
... fatal flaw that leaves the organism vulnerable to destruction by a common food preservative. It has been known f...tic-resistant killer also leaves it susceptible to destruction by slightly acidified sodium nitrite, a common chemical that is widely used in the curing of lunch m...New pathway could present an intervention point for cancer treatment
A new cellular pathway leads to destruction of a protein that promotes growth of breast, prost...her modes of taking proteins to the proteasome for destruction involve adding a molecule called ubiquitin and using energy. "This molecule does not require ubiqui...JCI table of contents: January 12, 2006
...f coordination. These symptoms result in part from destruction of the nerve-insulating material myelin by activated T cells. Leptin is known to play a critical role in the regulation of food intake, metabolism, and the immune response. Since it had been previously shown that leptin is expressed in active inflamm......branes in the plant leads to impaired growth, cell destruction and, eventually, plant death. The scientists, funded by the Biotechnology and Biological Sciences Research Council (BBSRC), have found that plants are able to turn unwanted absorbed light into heat by altering the structure of one of the proteins in ...Brain plays key role in diabetes therapy
...t begins in childhood most often due to autoimmune destruction of cells in the pancreas, which leave the organ unable to produce insulin. The researchers infused the brains of the diabetic rats with a chemical that limits the function of an enzyme involved in the normal insulin response before injecting the anim...World Trade Center identifications pushed forensic DNA technology
...tification of World Trade Center victims. From the destruction of the Twin Towers in 2001 until his retirement in July 2005, Shaler oversaw New York City's efforts in identifying victims through DNA analysis. In the process of identifications, he and his colleagues pushed the edges of science and the technologie...Unified physics theory explains animals' running, flying and swimming
...xpend energy to account for two mechanisms of work destruction -- that which is destroyed at each jump and landing, or with each rise and fall in the air; and that lost to friction against the ground or air. "To run or fly at optimal speed is to strike a balance between the vertical and horizontal loss of energy...Surprising killer of southeastern salt marshes: Common sea snails
...ttle as three months. When snail density was high, destruction was more extensive. Researchers also wanted to tes...struction, they point to other examples of habitat destruction that may be caused, in part, by a plethora of grazers: sea urchins wiping out California kelp beds, ...Interim long-term follow-up data show AMG 531 increases platelets in patients with ITP
...increasing platelet production to outpace platelet destruction by the immune system. "Traditional therapies for ITP have focused on diminishing platelet destruction by suppressing the immune system, beginning with the use of steroids, followed by surgical removal o...Modern forests suffer from century-old logging legacy
...g the upper Great Lakes region. The legacy of that destruction continues to have a substantial impact on the envi...was in addition to the widespread logging and fire destruction of the early 20th century. Several adjacent plots that had not been experimentally harvested and bur...New book on rain forests, slash-and-burn agriculture
... details the causes and consequences of the annual destruction of 80,000 square miles of rain forest. The forests are cleared by rural farmers to feed their families and by other interests seeking to convert forests to agriculture. The loss of the forests threatens Earth's biodiversity and climate. The new book ...New model of prostate cancer helps identify promising pain treatment
...d behaviors, tumor growth, bone formation and bone destruction in the mice. The researchers watched mice at different points in the study to see if they showed any kind of pain-related behavior. The researchers kept track of how much time each mouse spent favoring its affected leg how often the mouse lifted its...New cell transplantation technique restores insulin production in diabetics
...t produce insulin. This typically results from the destruction of insulin-producing islet beta cells in the pancr...s in severe infections, fractures and amputations, destruction of major organ function (e.g., the kidneys) and cardiovascular disease that can result in complicati...