Genetic Alterations Linked To Cancer In Some Blood Samples
...erum samples based on evidence from scientists two decades ago which pointed to increased levels of serum DNA in cancer patients," Sidransky said. "More recent studies suggest that cancer cells circulating in the blood may die and release DNA, which is carried through the bloodstream by plasma." In an accom...Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'
...nt available publications,most dating from several decades earlier, she learned that the only truemahogany species (Swietenia macrophylla) now providing commercial timbergrows only in tropical forests of South and Central America. Another American species native to a few Caribbean islands (Swietenia mahogan...Two Long-sought Diabetes Gene Found
... emeritus at the University of Michigan, who spent decades studying one large family -- more than 360 members spanning six generations -- in which 74 people have diabetes. Most of those 74 have MODY, which can often be detected in early adolescence. In 1990, Bell mapped MODY1, the gene responsible for the di...Molecular Imposter Rebuts Long
...at copy it. This finding brings into question decades of dogma on DNAreplication, says researcher Eric Kool of the Universityof Rochester. Kool adds that the new information may helpresearchers develop new drugs that are better able to sneak inand kill sickly cells -- including deadly cancer cells. ...Fund Aims To Repay Developing Nations For Valuable Genes
...s related to genetic material propertyrights. For decades scientists have searched the jungles and forests of developingcountries in hopes of finding plants and animals that might yield new informationfor basic research and have future commercial value. In many cases thesehave been wild plants carrying usef...Munching Microbes Make A Meal Out Of Toxic Substances
...in environmental cleanup efforts. "We've known for decades that the soil contains microbes with the ability to degrade chemicals such as petroleum compounds," says Loring Nies, assistant professor of environmental engineering at Purdue. "But using them for that purpose has not been widely implemented because...UW Smogmobile Offers Cleaner, Safer Alternative To Gas Or Electric Cars
...iquid nitrogen vehicle. Researchers have known for decades that pressure built up when super-cooled liquid nitrogen is converted to a gas could power a car. But the UW group was the first to develop a heat exchanger system that prevents frost build-up from impeding the conversion process. The smogmobile's he...Long-Time NIH Grantee Wins Nobel Prize In Chemistry
...thesized has been a central problem in biology for decades and is at the core of an understanding of metabolic processes in the cell. Dr. Boyer has been a key contributor to the molecular understanding of ATP synthesis." Since the early 1950's,...Peutz-Jeghers Disease Gene Identified: Enzyme Loss Causes Polyps And Cancer
... hallmark of pigment spots during the first two decades of life probably exist and can now be identified. A special screening program for individuals with mutations in the STK11 gene is highly recommended to detect early stages of potentially malignant tumors. The ultimate aim in this field of...DNA Enzyme Works In Crystal Form; Yields New Insights Into Gene Copying
... that repair enzymes can step in. Despite decades of study, many details of this sophisticated andcritical DNA replication process remain mysterious, Beese said. To understandthose mysteries, she and her colleagues use an analytic technique called X-raycrystallography to visualize the polymerase str...NIAID Doctor Successfully Treats Longest Case Of Malaria Infection On Record
...se of malaria smoldered in a 74-year-old woman for decades before being correctly diagnosed and successfully treated by a research physician affiliated with the National Institute of Allergy and Infectious Diseases (NIAID), according to a report in this weeks New England J...Leftover Fetal Cells May Affect Development Of Scleroderma
... of non-selffetal cells circulating in their blood decades after pregnancy than healthywomen who have previously given birth. Dr. Nelson says the persistence of these cells may indirectly dysregulate themother's immune system interactions, somewhat like a computer virus disruptingthe workings of a computer....Will Global Change Increase Fire Activity In The Mediterranean Basin?
... the increase in fire activity in Spainin the last decades and its possible correlation with land use changes. Practical information Fire regime in the mediterranean basin will be discussed on the third day ofthe conference (March 16) at 9:00 in session 6 "Land Cover Dynamics ", chairedby Thelma Krug and...Butterfly Wings, Beetle Horns Teach Biologists Basic Lesson In Development's Laws
... a question thatinvestigators were concerned about decades ago, but everybody decided would be avery difficult problem to tackle," Nijhout said. "The huge majority ofdevelopmental biologists are now exploring how genes are activated, and whattheir sequences and pathways are. And we've lost track of the fact ...Adults Need To Increase Intake Of Folate; Some Women Should Take More
...ilable .] A great deal of research in the past two decades has centered on the roles thatB vitamins may play in reducing the risk of cardiovascular disease, cancers, orvarious psychiatric or mental disorders. Although such research is provocativeand promising, it is not yet solid enough to serve as the basi...Environmental Technology Breakthroughs Forecast -- Year 2008
... a majortheme. "Our team members represent decades of experience on national andinternational environmental issues including global climate change,environmental technology development and remediation of major waste sitesworldwide," says Gerry Stokes, associate laboratory director at PacificNorthwest....Two Environmental Articles: Deformed Frogs & Dioxin In Old Soil
...arison of other samples. Jones says that for many decades the soil hasacted as a "sink" for accumulating PCDD/Fs in the atmosphere, but thatatmospheric PCDD/Fs have clearly declined in recent years. A nonprofit organization with a membership of more than 155,000 chemists and...Researchers Identify A Gene That Causes Juvenile Polyposis
...lly with the onset ofsymptoms within the first two decades of life. The most common symptom is rectalbleeding. The condition was at first thought to be benign, however, in a 1975 study,University of Iowa College of Medicine researchers demonstrated that people withFJP had a high risk of developing gastroi...Molecular "Fossils" Of Early Life
...ld not surprise Breaker. The discovery nearly two decades ago ofnaturally occurring RNA enzymes, or ribozymes, earned Yale biochemist SidneyAltman and University of Colorado researcher Thomas Cech the 1989 Nobel Prize inChemistry. In separate experiments, Altman and Cech exploded the myth that RNAis merely...Newly Recognized Cell-Surface Receptor Protects Heart Tissue Against Damage
...rityof a heart attack." "We have known for decades that adenosine protects the heart when it isoverstressed," says co-author Kenneth A. Jacobson, PhD, chief of the MolecularRecognition Section at the National Institute of Diabetes and Digestive andKidney Diseases. "Now we have shown that a specific t...