Genetic Alterations Linked To Cancer In Some Blood Samples
...s. Additionally, the three patients who developed distant metastases (disseminated cancer) were in the positive test group, further indicating that poor outcome may be associated with the presence of serum DNA alterations. These results must be confirmed in much larger clinical trials, Sidransky says. The ...NCAR Scientist Models Earth's Climate and Vegetation Patterns At Last Glacial Peak
...NCAR colleague, shifts the model's gaze out of the distant past and into the next century. In the real world, the growth and melt of the ice sheets over the past two million years has resulted from long-term cyclical changes in the earth's axial tilt, its precession (or motion around the tilted axis), and it......omen who smoked more than a pack a day in both the distant and recent past. Among rapid acetylators, there were no significant associations between breast-cancer risk and total years smoked, packs per average year or pack-years smoked. Neither genotype nor smoking history was associated independently with...Bigger Biology Tackled Through Keyboards
...als might behave differentlytoward each other than distant individuals -- whether these are trees competingfor light or individuals spreading disease. For example, the evolution of altruism has long intrigued biologists. Whywould an organism intent on spreading its genes on to the next generationrisk anythi...Researchers Find Production Point Of Key Protein In Fragile X Syndrome
...m the gene into messenger RNA and transported to a distant synapse whereit serves as a template for producing the fragile X protein, said Greenough,who also is a professor of psychiatry and of cell and structural biology. "The function of the fragile X protein, and the reason that peoplewho could not make t...First Planned Release Of Captive Lemurs In Madagascar Wilds Expected In Fall
...breeding programs. Those programs are underway in distant places like the Duke Primate Centerand other MFG institutions, as well as in Madagascar's own two zoos: TsimbazazaBotanical and Zoological Park and Ivoloina Zoological Park. "This project is an outstanding example of what zoos can do andmust do to p...Where Fossils Fear To Tread: Scientists Follow Genes To An Ancient Ancestor
...imals - to look past the fossil record to our most distant common ancestors. Writing this week (Aug....molecular biology to look into the murky waters of distant evolutionary biology. They are looking so far back that there are virtually no fossils or other phys...Captive Lemurs To Depart For Madagascar Oct. 17 For First Release Into The Wild
...breeding programs. Those programs are underway in distant places like the Duke Primate Center and other MFG institutions, as well as inMadagascar's own two zoos: Tsimbazaza Botanical and Zoological Park and Ivoloina Zoological Park. "This project is an outstanding example of what zoos can do and must do to...Widespread Genus Of Monkeys Gives Up Genealogical Secrets To Columbia Researchers
...ion, and placing the long-tailed macaques as amore distant ancestor to most of the mainland and offshore island Asianmacaques. Researchers examined the DNA in cell bodies called mitochondria, becausesuch DNA evolves relatively rapidly and is only transmitted through the maternalline, making it a goo......mote sensing, a non-invasive method formeasuring a distant object, offers this possibility. Pacific Northwest researchers are working on the development of airborne andhandheld sensors that will monitor crop conditions quickly and accurately toidentify stresses (water shortages, disease and pests) and ultima...Microsurgery Made More Accurate With Virtual Measuring Tool
...eal object to real object alignment tasks, such as distant object occlusion, consistent light and shadow effect, and texture gradient [Rastogi 1995, Surdick 1994] are lacking in systems that combine real and virtual objects. Another possible source of error is optical distortions in the stereo video system, ...... the chromosomal pair separates and migrates tothe distant cellular poles. A new cell membrane forms between the chromosomalclumps, and mitosis concludes with the formation of two identical daughtercells, each containing an intact copy of the parent cell's genetic information. An essential step in t...Smog Spreading To South Pacific
...ions that can be traced back tobiomass burnings on distant continents, indicating that the smog created by theburning is long-lasting and migrates great distances. In 1996, for example, two research planes flying in the South Pacificencountered ozone from biomass burning on 50 percent of their fligh...First Evidence That Localized Arthritis Gene Therapy Heals Distant Diseased Joints
... therapy for arthritis produces healing effects on distant joints affected with the disease. Results of this...or gene diminished arthritic effects in untreated, distant knee joints. "The best therapeutic effect appears when the IL-1 receptor gene and theTNF" rec...Scientists Unearth Remains Of A Predatory Dinosaur In Madagascar
...lieved, but was instead a carnivorous theropod and distant cousin toTyrannosaurus rex. "This finding is significant for understanding global distributions ofdinosaurs because Majungatholus was previously the only pachycephalosaurreported from the southern hemisphere," Sampson says. Preliminar...ASU Scientists Join NASA Astrobiology Institute
...ysis, to robots and advanced sensors for exploring distant planets and moons. Though they come from diverse disciplines, these researchers are all united by a centralquestion -- does life exist beyond the earth? Now, thanks to a new NASA research initiative, these disparate efforts will be connecte...Highlighting USGS Science At AGU
...d sewer overflow may have originated from the more distant Nut Island treatment plant. At 3:40 pm, Michael Bothner of the USGS will present evidence that metal contamination of the Harbor's surface sediments has significantly decreased over the past 22 years. Both talks are in Convention Center Room 309. ...Evidence From Old Tumors Foretells Which New Breast Cancer Patients Will RequireAdditional Treatment
...nt that must occur before the cancer can spread to distant sites. While these markers are useful, they do n...om the original tumor but from itsdissemination to distant sites, preventing metastasis, even for patients withlimited risk, is a fundamental aspect of treatme...Rock-Eating Microbes Could Signify Life On Mars
...s different from bacteria as humans." Athird, more distant possibility, the scientists say, is that the tracks andtrails are a new, undocumented chemical process. The glassy, outer inch of the basalt is the only place evidence ofmicrobial activity was found. Fisk thinks the looser chemical structure ......ast cancer in women could start in "the nottoo far distant future," Markland says. Dr. Markland will present his paper, AGFD 162, on Wed., Aug. 26, from 2:30 p.m.- 3:00 p.m. atMarriott Copley Place, Salon J/K, 4th Floor For Further Information Contact: Nanc...