How alcohol gives, and then takes away
...(NMDA) glutamate receptor -- could be an important component in transitioning from experimentation to addiction. However, researchers may have also discovered that a brain growth hormone called Brain Derived Neurotrophic Factor (BDNF) may be able to protect neurons against this excitotoxicity. "If dopamine an...JMU builds supercomputer for national model undergraduate program
...s more of an environment." The program's physics component involves fluid dynamics, the study of the behavior...nd physics faculties have expertise, for the third component of the program - scientific visualization - JMU has partnered with North Carolina Central University...Researchers identify molecule crucial to adjusting bodys internal clock
...ve when the glutamate was. It is a normal, silent component of the signal," shesaid. This is likely the basis for why bright light at night keeps a person awake more effectively thandim light, Gillette said. Bright light delays clock time more and, thereby, makes it harder to awakenearly the next morning. ...Explaining how ozone "chokes up" plants
.... "We monitored potassium because it is a major component in the osmotic process," she says. "If the potassium ion concentration is increased, water comes into the cell by osmosis and the guard cells surrounding the stomate swell. This swelling causes the pore to open." Ozone exposure reduced the flow of...Key progress by Weizmann scientists in the race to unravel ribosomal structure
...al factory churnsout proteins - the body's primary component and the basis of all enzymatic reactions. Understandingprotein biosynthesis is therefore the gateway to grasping life itself, and its darker side - theemergence of disease - when production goes haywire. The importance of the ribosome explains why i...'Frozen pictures' allow far-reaching glimpse into the cells protein factory
...l factory churns out proteins - the body's primary component and the basis of all enzymatic reactions. Understanding protein biosynthesis is therefore the gateway to grasping life itself, and it's darker side - the emergence of disease when production goes haywire. This explains why ribosomes have been the tar...'Cell junctions' respond to environmental signals
... tumor suppressor gene called scribble, which is a component of intercellular septate junctions. Mutations in tumor suppressor genes lead to uncontrolled cell growth and, consequently, tumor formation. Genes that are first discovered in fruit flies often lead the way to way to important advances in our underst...UNC selected as one of two regional mutant mouse resource centers in nation
...scale." The grant to UNC also contains a research component for developing improvements in mouse cloningprocedures. Genotyping and cloning experiments will be conducted in the Animal Models Core at themedical school. The research moneys also will go toward maintaining and distributing mutant mousestrains....Scientists figure out how cells' tiniest motors work
...itute who led the effort to obtain images of a key component ofthe microscopic motor. The mechanism appears to be fundamental to all cells of higher organisms, but with slightmodifications engineered to produce different types of motion. There are likely to be 50 or moredifferent kinds of kinesin motors in hu......logical signal prompts a histidine molecule on one component to transfer a phosphate ion to an aspartate molecule on a second component. A strikingly similar two-component mechanism operates among many species of bacteria. "Our goal was to unravel the structural basis of the switch in the signal cascade at ato...Algal food quality, not quantity, critical factor in healthy lake ecosystems
...etary fatty acid that is thought to be the healthy component of fat-rich fish like salmon and tuna in human diets." Also participating in the study was Anne Liston, UC Davis research technician....Road dust: Rural vehicles emit more pollutants than urban ones
...m tail pipe emissions. It is a major significant component of vehicular air pollution that the medical profession and the EPA are paying strict attention to these days. Upper respiratory illnesses, cardiovascular diseases, such as arrhythmia, and cancer increasingly are being linked to road dust and other ve...Study may help clarify how cells grow
...nvestigator, the enzyme MAP kinase (MAPK) is a key component of a signaling pathway initiated by growth factors. "This is just one of many signaling pathways but we know it's essential for growth," he said. "So the key question has been, what are the specific targets of MAP kinase; that is, what are the impor...Obesity gene controls bone density via brain pathway
...eptin pathway, where the brain acts as the central component in building bone mass, opens a new realm of treatment approaches." The link between leptin, the brain, and bone formation is another chapter in the story of this recently discovered hormone. It is known that leptin, which is produced by fat cells, ac...Non-toxic peptide blocks spread of prostate cancer in rats
...or cells are not invasive unless serum---the fluid component of blood that remains after clotting---is present. "No one realized serum was required, because no one had studied cancer cell invasion in the absence of serum before," Livant said. Additional studies showed that plasma fibronectin was the only p...... the most important regulatory component of the TGF-beta (transforming growth factor-beta) pathway -- a system essential for cellular proliferation, differentiation, development or apoptosis -- programmed cell death. ...Plankton are not affected by ozone depletion
...ozone depletion, because phytoplankton is only one component of the ecosystem. "There may be species shifts going on that no one is aware of," he says. And we shouldn't forget that Southern Ocean phytoplankton could be stretched to their limit in absorbing ultraviolet radiation. "Right now, they're keeping up...Swoap at Williams receives NSF and NIH awards
...,000 to support his investigation into the genetic component of muscle fiber type adaptation. His work has appeared in the American Journal of Physiology, Journal of Biological Chemistry, and Plant Physiology. Swoap came to Williams in 1996 after serving as post-doctoral fellow in the Division of Molecular...Study: Methane cleans nitric oxide from power plant emissions
... produce nitric acid -- a main component of acid rain -- and depletes o... and plentiful. It is the main component of natural gas, and is already present in some smokestack emissions. Methane is ...Alexion and Yale discover harmful complement activation in patients with acute coronary syndrome
...nents of the complement cascade prior to the fifth component (C5) and the greater inflammatory disease-promoting effects of the cleavage products of C5, the Company has identified C5 as a potentially effective anti-inflammatory drug target....