Growth Factor Contributes To Angiogenesis
...ped a model systemto study how human blood vessels behave inside the body. They mimicked theeffect of VEGF by using cells engineered to constantly express the Bcl-2 gene. The engineered cells were first grown on sponges and then transplanted intomice. Again, the cells survived longer and formed more blood...Technologies Track, Map Fish Behavior
...lLaboratory have developed tools to study how fish behave and to evaluate fishbypass systems at dams. The scientists coupled a multibeam sonar tool with aninteractive computer animation program to track juvenile fish as they approach aprototype surface flow bypass recently installed at Bonneville Dam on th...Largest Acoustics Meeting In History Expected
...damaging an atomic elastic material" causes it to behave like a "mesoscopic" elastic material (4aPAc9). --- Acoustic Weapons? The world already faces threats from biological, chemical, nuclear, and artillery weapons. Now, some military publications have printed unconfirmed reports that several nations a...Heavy Traffic At The Nuclear Pore: How Proteins And RNA Leave The Cell Nucleus
...Guanosine Triphosphate(GTP)-binding proteins which behave as molecular switches:receipt of a signal switches them from an inactive to an active state; theypersist in that active state until some other process switches them off. Theswitch between an active and an inactive state is determined by whether theyh..."Self Organizing Maps" Help Analyze Thousands Of Genes
...es advantage of the fact that many genes in a cell behave similarly,"explains Pablo Tamayo, the lead author of the paper and research scientist atthe Whitehead Institute. "Instead of having 2,000 individual genes, all doingdifferent things, you might have 25 groups of genes doing similar things." Tamayo co...Understanding Molecular Self-Assembly Opens Door For New Sources Of Wood-Like Materials
...says. "I tell myundergraduates that some molecules behave like cats. They will never organize.While other molecules behave like adult Germans. They spontaneously organize.Using Ulli's work, we've found a way to describe -- ...In Animal Groups, Scientists See Patterns That Could Predict The Future
...corner or fans cheering at a footballgame, animals behave differently when they're in a large group than the...o survive, she says. Documenting how animal groups behave allows computer models to predict what willhappen under various conditions in the future. A school o...Mixing Radiation, Minerals, Toxic Waste Could Be Cleanup Boon -- Or Kaboom
...als. Silica and otheroxides -- clay -- in soil may behave similarly. Gamma rays are high energyX-rays given off by many of the highly radioactive wastes produced in weaponsmanufacture, such as cobalt-60. The good news is that gamma irradiation thus may be an effective means ofdegrading some highly toxic pol...1999 Spring Meeting: Information For Media Representatives
... outside California and Japan. El Pilar isshown to behave differently from other well studied strike-slip fault systems,like San Andreas. Seismologists consider their findings an importantbreakthrough regarding a major, hazardous plate boundary fault zone. Theearthquake also provided the opportunity to asse...Media Advisory: 1999 Spring Meeting -- Updated Press Conference Schedule
... outside California and Japan. El Pilar isshown to behave differently from other well studied strike-slip fault systems,like San Andreas. Seismologists consider their findings an importantbreakthrough regarding a major, hazardous plate boundary fault zone. Theearthquake also provided the opportunity to asse...Magnetic Fluids More Complex Than Previously Thought
...searchers needmore information about how MR fluids behave at the microscopic level.Obtaining such informatio...complicated than the current models assume and can behave in unexpectedways. Commercial MR fluids typically consist of finely ground carbonyl - acompound made...Transplanted neural stem cells migrate throughout the abnormal brain, reduce disease symptoms
...ers still need toshow that human neural stem cells behave like their mouse counterparts, says Dr.Snyder. They also need to learn whether the benefits shown in young animalsextend to older animals and whether transplanted cells can overcome ongoingdegenerative disease processes so that they do not become ne...Gene alterations may predict response to new cancer therapy
... of the tumor cells to look and behave more normally. Eng wondered about the colon-cancer cells that didn't respond to the drug in the troglitazone studies. "We hypothesized that the colon-cancer lines that didn'trespon...Rockefeller scientists discover surprising new cancer gene
... called Stat3 can, by itself, cause normalcells to behave like cancer cells. The research, reported in the August 6 issueof Cell, provides both a scientific surprise and a promising new target in thefight against cancer. Scientists already knew that Stat3 was often activated invarious human cancer types, in...INEEL, universities collaborate on subsurface strontium-90 remediation efforts
...searchers because thenatural world doesn't usually behave like isolated experiments in the lab. Hesaid, "It is nontrivial to reproduce a 20-year process in a 6-month experiment.And that's why collaboration is so important to the success of this project."...Richard Amasino wins Alexander von Humboldt Award
...dentified a key gene that determineswhether plants behave as annuals or biennials. Annuals produce flowers theirfirst summer; biennials, such as cabbage, carrots, onions and beets, produceflowers the summer after they've been exposed to prolonged cold. Amasino and his group also created a gene that blocks s...Study finds no evidence hormone benefits autism
... with others, including parents. They also tend to behave oddly and develop language and other social skills far more slowly than normal. Severely affected patients can never lead independent lives and may need to be institutionalized. Strains on families often are enormous. With special attention and schoo...Younger people are at greater risk for alcohol problems
...d women have the same biological predisposition to behave this way," he said, "but 50 years ago it wasn't socially acceptable for women to go into bars and drink. Certainly they weren't considered 'good girls.' Now it's a lot more acceptable for women to go out and drink like men." Those considered "you...Researchers show that proteins can transmit heritable traits
...on. They found that the altered Sup35 continued to behave as a prion, as did the natural Sup35 prion protein. "The fact that these prion domains proved so modular and transferable, as revealed in these papers, proved quite a surprise," said Lindquist. "Since prions such as Sup35 had evolved to have the sa......surface proteins. These newly discovered proteins behave differently from those previously identified and are present across a wide range of strains. Researchers have also shown that these proteins can stimulate an antibody response capable of killing the bacterium, a property known to correlate with vacc...