Breakthrough developments in rheumatoid arthritis reported
...e to proteins containing citrulline. Citrulline is formed when a specific enzyme comes in contact with arginine, one of 20 common amino acids in proteins. When one of the enzymes is present, nitrogen is removed from the chemical structure of arginine and it converts into citrulline. Laboratories have d...QUT microgravity tower attracts global scientific community
...environments produces stronger structures than are formed in normal gravity....University of Pittsburgh scientists find new contributor to aggressive cancers
...ll lines. In this experiment, control cancer cells formed large colonies with up to 100 cells each. Cancer cells with normal levels of integrin 7 expression formed fewer and smaller colonies. When the investigators decreased the level of integrin 7 in two cancer c...Cancer drug enhances long-term memory
...receive the drug, indicating that the treated mice formed stronger memories of the chamber than the untreated mice. The scientists also examined brain tissue and found that neural connections in the hippocampus were stronger in the samples treated with HDAC inhibitors. After an event, a critical window ex...A new plant-bacterial symbiotic mechanism promising for crop applications
..., erosion or desertification. The plant cover thus formed can help achieve ecological restoration, by enriching the soils in nitrogen. However, the symbiotic processes studied predominantly concern the leguminous plants of temperate zones, very little those of the tropics. The team from the IRDs Laboratoir...Johns Hopkins Bloomberg School of Public Health, Geisinger launch new environmental research group
...hns Hopkins Bloomberg School of Public Health have formed the Environmental Health Institute, which will study links between land use, ecosystem health, community health, and human health and to translate knowledge about health and the environment into sustainable solutions. The co-directors of the Danvi...Transplantation does not benefit patients with refractory myeloma
... two separately investigated subgroups. The first, formed by 62 % of the total number of patients, consisted of refractory patients presenting a stable, non-progressing disease. The second group, the remaining 38%, suffered from progressive disease. Until now, it was believed that the fraction of patients w...Smithsonian scientists connect climate change, origins of agriculture in Mexico
...ion are genetically closest to maize. As the lakes formed beginning around 10,000 B.P., they became magnets for human populations who exploited the fertile soils and rich aquatic resources the lakes contained. The researchers found prehistoric pottery sherds and other artifacts in sediments at the edges of ...'Virtual Patient' to simulate real-time organ motions for radiation therapy
...ssociate professor of mechanical engineering, have formed a multidisciplinary collaboration with clinical colleagues at the Cancer Therapy & Research Center in San Antonio, Texas, to develop the 4-D Visible Photographic Man (VIP-Man). This virtual model is an extension of Xu's ongoing project involving the ...In search of the biological significance of modular structures in protein networks
...he modules of cellular networks were thought to be formed in a way that reflects the relative independence and coherence of the various functional units in a cell each module serves a function. This investigation, published in the Open Access journal PLoS Computational Biology, now suggests that the struct...Yin and yang -- Balance could play key role in progression of Alzheimer's disease
...f the Journal of Molecular Biology. Peptides are formed by the linking of different amino acids. The two peptides that Wang investigated were both Amyloid B-peptides (AB) specifically those composed of 40 and 42 amino acids, called AB40 and AB42. These two peptides have been previously found in deposits,...Essential tones of music rooted in human speech
...ants in speech spectra, they found that the ratios formed musical relationships. For example, the relationship of the first two formants in the English vowel /a/, as in "bod," might correspond with the musical interval between C and A on a piano keyboard. "In about 70 percent of the speech sounds, these ...Canadian paper innovation holds promise for improved global health safety
...nd federal and provincial government agencies have formed a research consortium named the SENTINEL Bioactive Paper Network to develop low-cost and easy-to-use paper-based products with biologically active chemicals that can protect the public against increasing incidents of food-, water- and air-borne illne...Salt increases ulcer-bug virulence
... morphological changes: cells became elongated and formed long chains," says Gancz. "We conclude that H. pylori exposed to high levels of salt in vitro exhibit a defect in cell division." They also discovered transciption of two genes responsible for the virulence of the bacterium was increased during h...ACS News Service Weekly PressPac -- May 16, 2007
...le organic compounds in the black crusts that have formed over the centuries on stone walls in the tower complex. The blackening of the past, they note, is from EC in coal smoke released since the late 13th Century. Air pollution control efforts are reducing the amount of sulfur dioxide from coal, with in...Cornell lab confirms deadly fish virus spreading to new species
...n is pending. And millions of dead freshwater drum formed windrows of carcasses along the beaches of Lake Erie in 2006, all victims of VHSV. Other species from the Great Lakes Basin area that have tested positive by Cornell include bluegill, rock bass, black crappie, pumpkinseed, smallmouth and largemouth b...Study warns deep-sea mining may pose serious threat to fragile marine ecosystems
...ts in these areas occur where new oceanic crust is formed through undersea volcanic activity. Until the late 1970s, scientists had assumed that life required sunlight, but the discovery of these vent communities showed that life could exist on thermal and chemical energy. Since oceans have existed, more or ...Jaap Sinninghe Damst awarded the Vernadsky Medal for innovative use of biomarkers
...so important to know why these organic-rich layers formed because they form the basis for our present-day society as they are the precursor of petroleum," finished Sinninghe Damst. It is clear that Sinninghe Damste's biomarkers have a range of applications and that there is still a lot more to come from his...Researchers develop way to calculate speed of bacterial sex
...jugative gene transfer centers on biofilms, a coat formed by colonizing bacterial cells. "While scientists have studied [conjugation] in the lab, and wondered about its impact in nature, current computer models of conjugation were pretty basic," said Ginn. UC-Davis researchers set out to build a better......croliters of liquid 15 millionths of a liter and formed the translucent "igloos" after being deposited on ...rd for such experiments), Sommer observed patterns formed by swirling micro-vortexes that appeared similar to those formed by tornadoes under real-world condi...