Birth factors associated with risk for autism
...asier to complete. Perinatal risk factors, such as mode of delivery, fetal presentation, preeclampsia and number of antenatal visits, were also investigated. Parental psychiatric history was ranked according to severity. Gross income of each parent, maternal education and parental wealth determined socioe...Protein helps regulate the genes of embryonic stem cells
...s trying to unravel a different, newly appreciated mode of inheritance: epigenetics. "Epigenetic inheritance is heritable information passed down through generations of cells that is not encoded by the DNA sequence," said Nathan D. Montgomery, a graduate student in Magnuson's laboratory and first author o...Scientists devise way to measure RNA synthesis on the fly in a live cell
...remely challenging to measure and characterize the mode of action of RNA molecules within a living cell," Cluzel said. The techniques previously used to study RNA required killing and breaking up a cell in order to extract an RNA molecule. With those techniques, "one cannot detect in real time the under...42 biomedical scientists worldwide named HHMI international research scholars
...f factors related to bacterial virulence and their mode of regulation. Identification of these factors and learning how virulence is regulated may lead to better prevention and treatment of this life-threatening disease in humans. * William Ross Heath, Ph.D. Chief of Laboratory The Wal......ertain circumstances. Or, it may be an alternative mode of neurotransmission that neurons use at different points in their life cycle." Sejnowski and his colleagues have initiated further studies using their simulation technique to confirm the ectopic release mechanism and explore its possible functions. ...Earth from space: bloom in the Baltic
...tinuous daytime observations in Reduced Resolution mode as part of its background mission. This is a detail from a MERIS Reduced Resolution image acquired on 13 July 2005, with a spatial resolution of 1200 metres....A bug's life: Exceptional genomic stability yet rapid protein evolution in a carpenter ant mutualist
...will include understanding the forces driving this mode of genome evolution, as well as the consequences on the fitness of the bacterium and its host. "Developments in endosymbiosis are important not only to questions in basic research, but may have important practical implications," notes Wernegreen. "...Spanish forest fire aftermath surveyed by Envisat
...RIS) instrument. A 24 July MERIS Full Resolution mode image with a spatial resolution of 300 metres was processed to reveal burned areas by a team led by Dr. Federico Gonzlez-Alonso, head of the Madrid-based Laboratorio de Teledeteccin (Remote-sensing Laboratory) of the Instituto Nacional de Investigaci...Stem cells bring fast direct improvement, without differentiation, in acute renal failure
...epaired!" Westenfelder reported. With their rapid mode of action within only two hours in the kidney, the researchers deduced that the mechanism mediating the protective effects of MSC (mesenchymal stem cells) "must be primarily paracrine, as implied by their demonstrated expression of several growth fac...Brain activity in youth may presage Alzheimer's pathology
...task, they are easily able to shut off the default mode -- and the corresponding regions of the brain that...ked to concentrate on a specific task, the default mode actually becomes more active -- rather than showing less activity, as it would in a young, healthy a...Gene expands malaria's invasion options
...w the parasite manages to switch to an alternative mode of blood cell invasion, Cowman and colleagues produced lines of the W2mef parasite that used sialic acid for invasion, and lines that could invade without it. Then they compared the differences in gene activity between the two types and identified tw...Gene expands malaria's invasion options
...w the parasite manages to switch to an alternative mode of blood cell invasion, Cowman and colleagues produced lines of the W2mef parasite that used sialic acid for invasion, and lines that could invade without it. Then they compared the differences in gene activity between the two types and identified tw...Novel compounds show promise as safer, more potent insecticides
...esearchers. They were the first to demonstrate the mode of action of these ryanodine receptor-active molecules, says Daniel Cordova, a researcher at DuPont Crop Protection. Both classes of compounds are believed to have high potency, the researchers say, although they are structurally different. Both in...Can ancient rocks yield clues about catastrophes like Hurricane Katrina?
...-enclosed areas of the modern ocean into an anoxic mode are unknown but the progressive emission of greenh...e is gradually shifting Earth towards a greenhouse mode with an accelerated hydrological cycle.' 'At present it is hardly possible to estimate where we are ...Tips from the journals of the American Society for Microbiology
...th sexual intercourse remaining as the most common mode of HIV infection throughout the world, a topical solution capable of inhibiting transmission of the virus at mucosal sites could significantly impact prevention efforts. In the study fourteen peptides from various amphibian species were collected and...Transmission of tuberculosis is linked to historical patterns of human migration
... during pre-industrialized times, when the primary mode of transmission was within families or households ...bias of TB infectivity and the likely family-based mode of TB transmission during pre-industrialized times, M. tuberculosis dissemination has reflected th...Study in Royal Society journal on first observation of giant squid in the wild
...ssively higher elevational bands, and the dominant mode of speciation was thus hypothesized to be vertical parapatric speciation across an elevational gradient. These data seem to support the hypothesis that relatively young species are predominantly evolving in montane areas and old species are mostly co...Duke scientists explain gaps in nutrient availability within North Atlantic
.... Because cooler water is denser and heavier, this mode water overturns and sinks to form a large wedge-sh...g waters. Only with time are the nutrients in this mode water mass restored by the sinking and decay of organic matter from the sunlit surface layers. Since...Health of coral reefs detected from orbit
...research station. Validating MERIS Full Resolution mode results, they found that observed changes in live coral cover were correlated to an existing bleaching event. Theoretical studies indicate that for each complete 300-metre pixel of coral under one metre of water it is possible to detect a 2% bleachi...VCU Massey Cancer Center researchers find new agent inhibits Leukemia cell survival
...ein synthesis," Grant said. "This insight into the mode of action of Bay 43-9006 could have important implications for the development of rational combination strategies involving this agent in leukemia and potentially other types of cancer." Grant is Massey's associate director for translational rese...