Duke Researchers Discover Central Role Of Nitric Oxide In Hemoglobin Action
...ge the way many diseases are treated. "We now know that nitric oxide is involved in the blood's ...ew what the cysteine's function was," he said. "We now knowthat it serves to bind NO." Further experimentation by the group uncovered the intric...Dangerous Chemical Combination Presents Possible Scenario For Gulf War Illnesses
...include formerDuke researcher Kenneth R. Wilmarth, now at ENVIRON Corp. in Arlington,Va.; Kurt; Karl F. Jensen of the Environmental Protection Agency at ResearchTriangle Park, N.C.; and Frederick W. Oehme of Kansas State University. "Together, the three phases of our investigation may solve the mysteryo......gulate dopamine levels in the synapse,"said Giros, now a researcher at INSERM in Paris. "We are now in theposition to ask questions about what role each of the components play andwhat happens when one...New Cancer Switch Discovered By Duke Medical Center Pharmacologists
...but jams the cell-growth machinery. The peptide is now being distributed by SUGEN for testing on tumors taken from humans, he said. In the October Molecular and Cellular Biology paper, Cortez, Pendergast and graduate student Lisa Kadlec also reported the results of producing slightly altered, or mutated,...Computer Program For Quicker, More Detailed Mapping
...ing new informationas it is gathered. Our maps are now much more accurate because we can mapeverything at once." The Stanford team that developed Mapper will present the new method, thisweek, along with the maps it has generated, at the Genome Mapping and Sequencingmeeting at Cold Spring Harbor, N.Y., M...Duke Researchers Discover Candidate Susceptibility Gene For Autoimmune Disease
... TTP is involved in theinsulin response. "Right now we really don't have a good handle on what TTP is doing,although there are hints it is involved in gene regulation," Blackshearsaid. "Our next step will be to determine if it is involved in synthesisor degradation of TNF_ and then move forward to our...From Corn Rootworms To Art, Cornell's Reactor Is At The Core
... compacted soils. The neutron radiography facility now has the capability for real-time observing. A video camera inside the high-flux beam configuration can show what happens to a sample, as it is happening. This beam is 40 times more intense than the beam used in high-resolution film radiography, su...Freshwater Sponges May Pose Threat To Zebra Mussels
...s many problems on these surfaces as zebra mussels now cause? Kelch said more research is needed before an answer is known. The research appeared in a recent issue of the Canadian Journal of Fisheries and Aquatic Sciences. Kelch was a co-author of the paper, along with Fred Snyder, also an associa...Duke Researchers Find Second Gene Linked To Blood Vessel Disorder
...ne that can cause this disorder." With two genes now described, Marchuk will begin to piece together whatendoglin and ALK1 are doing, whether they interact with each other, andhow each normally contributes to the ability of blood vessels to heal inresponse to injury. While a treatment based on Marchu...New Discovery About Genes Has Implications For Genetic Therapy
...a gene, allowing considerably more control than is now possible. Ohio State University researchers reported their findings in the May 23 issue of the British science journal Nature . They also believe the discovery provides a window into how some of the earliest organisms evolved several billions of...Mutate Or Die: New Polymerase Gives Desperate Yeast An Option
...es like p53 or ras in humans. His laboratoryis now searching for counterparts in humans to the two genes that code for zeta, and scientist Peter Gibbs has found onewhose sequence bears the markings of a zeta polymerase. If zeta is found in humans and works similarly, it would be anattractive target f......s this enticing chemical, males of many species by now are wondering, and where can I get mine? Accordin...octoral researcher at the time of the studies and now a staff scientist at the Ithaca-based pharmaceutical-development firm, Phyton Inc.; and Jerrold Mein......asKane, professor of biological sciences. "We have now shown thatchemoautotrophic systems are more widespread than had beenthought." To prove that the food web was based entirely on chemicalenergy and not solar energy, Kane, doctoral candidate SerbanSarbu and assistant professor Brian Kinkle used a techn...Southern Pine Beetle Reaching Outbreak Levels In North Florida
...ble forthe Southern Pine Beetle," Foltz said, "and now it has come to dinner."...Honeybees In The Wild Nearly Gone In North America
...n of honeybees in the wild means that honeybeesare now a scarce commodity," he said. "Large professionalgrowers can still rent colonies of bees for crop pollination andhave them trucked long distances. It's small and mid-sized growerswho are going to feel the pinch first. They're going to have difficulty...Core Spins Faster Than Earth, Scientists Find
...h in turn drives theinner core in the way that can now be observed. Abouta billion amps of current is flowing into and out of the innercore, across the boundary between the inner and outer cores. Thiscurrent, in the presence of a magnetic field, results in forcesbeing applied to the inner core, which the...Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs
...genetic uniformity to endangered species. His team now is investigating the effects of low genetic variation among pocket gophers on disease resistance, physiological fitness, and their survival in the wild. Team members will present early results at the August meeting....Researchers Find Possible New Route to Making Cancer Cells Vulnerable
...a car's fuel pump. "Cyclosporin-related drugs are now being tested for their ability toreverse chemotherapy resistance in cancer patients, but little had beenknown about how these common immune suppressants work in this setting,"Heitman said. "Our findings shed light on a new mechanism that canbe exploi...Surprising Protein Movement Seen In Cells
... amidst this rapiddiffusion of resident components now needs to be explained," saidthe senior author of the paper, Jennifer Lippincott-Schwartz,from the National Institutes ofHealth . Other biologists involved in the work were Nelson B. Cole andCarolyn Smith of NIH, Mark Terasaki from the University ofC......vernments followed suit. The regrown forests are now 120 years old and are two to ten times moredense than the original forests. These trees now compete intensely for resources,especially water. Drought, combined with the absence of fire which t...