New fruitfly model of diabetes has future implications for pancreatic cell transplantation
...se the nutrient and energy status of an animal can adjust an animal's growth and metabolic state," he says. "Now we have a model for that." Coaxing stem cells to become pancreatic islet cells for transplantation is potentially a permanent treatment for diabetes. As a developmental biologist, Rulifson i...European common frog found to use novel mating strategy
...e populations in an attempt to understand how they adjust to short breeding seasons and survive dry, freezing temperatures, Vieites, then at the Universidade de Vigo in Vigo, Spain, was surprised to see males embracing clutches. He and his colleagues spent two years in the field observing this behavior, and...Plumbing trees' plumbing reveals their engineering skill
...block water flow. The researchers found that trees adjust their root anatomy very effectively to work in dif...cause they show that the same individual plant can adjust its anatomy and physiology to maximize water transport deep underground where the plant is less like...Study suggests cell-cycle triggers might be cancer drug targets
...cle machinery on when needed, enabling the cell to adjust to changes in environment. How this process is carried out in the mouse embryos with no D-type cyclins is a puzzle, says Sicinski who is also an associate professor at Harvard Medical School. "There must be alternative mechanisms that allow the cell ...Study explains spatial orientation differences between sexes
...arger in men than in women, and may allow males to adjust themselves more accurately than females in some environments. In the study, Tremblay asked 24 people (11 males and 13 females) to point a laser straight-ahead (perpendicular to the body orientation) while upright and when tilted 45 degrees backward....News tips from the Journal of Neuroscience
... days, the higher-level OT retained the ability to adjust for 200 days. That's bad news for the barn mouse. 2. Putting fear in its place: remapping of hippocampal place cells during fear conditioning Marta A. P. Moita, Svetlana Rosis, Yu Zhou, Joseph E. LeDoux, and Hugh T. Blair Hippocampal space cells...Study shows how consensus is attained in a noisy world
...o decide what to do," said Amaral. "People tend to adjust their opinions based on what the majority is telling them." In addition to Amaral, other authors on the PNAS paper are Andr A. Moreira, Abhishek Mathur and Daniel Diermeier, from Northwestern University. Diermeier is co-director of Northwestern's In...Duke study disputes idea that trees can 'relocate' quickly in response to climate change
...ecies might not be able to relocate fast enough to adjust to rapid climate change, Clark said....Free electron laser reaches 10 kW
...coherent beam of light. However, FEL operators can adjust the wavelength of the laser's emitted light by increasing or decreasing the energies of the electrons in the accelerator or the amount of shaking in the wiggler. "As we cross the 10 kW milestone, our team at Jefferson Lab is grateful for the consider......te Keller is shifting his weight and how he might adjust it to increase his speed. "Simulations will help us identify and evaluate potential solutions that are feasible for each individual athlete," McNitt-Gray said. "Then during training, the coaches will work with the athletes to execute whatever it is...Long-term heart damage may result from constant confrontation and defeat
...emonstrates that although the body may temporarily adjust to stress, the risk for long-term cardiac problems may be the consequence of daily exposure to confrontation. Background Even the most self-controlled individual is susceptible to stress, which is the body's reaction to injurious forces, in...Findings suggest need for new view of p53 cancer protein's interaction with DNA
..., however. Our studies suggest that we may need to adjust the existing model of how p53 binds to DNA." Taking advantage of the fact that evolution commonly conserves vital proteins from species to species, Halazonetis and his colleagues solved the structure of the binding region of a protein called Cep-1 fr......s to adapt, but it can also be helpful for them to adjust the rate at which they adapt. The researchers stud...al noise. They found that flexible competitors who adjust their adaptation rate could improve their prosperity in noisy systems. The researchers suggest that ......ple, the wing control of birds and insects as they adjust their angles of flight. In the case of the MARV, the controller will manipulate the movements of high-lift actuators that change the direction and speed of the vehicle's motion. This capability could be exploited both by autonomous military and comm...Artificial light-dark cycles expose circadian clocks at odds with each other
...you travel to Europe, the rest-activity cycle will adjust relatively quickly. In two or three days you'll probably be sleeping when it's dark," de la Iglesia said. "But your temperature or hormone-release cycles might still be on Seattle time, affecting for instance how well you sleep." A bit of brain tiss...Delirium high in ICU patients, leads to death, morbidity
...g the most robust statistical methods available to adjust for the severity of illness, age, coma and drugs used for sedation, the development of delirium presents the patients with a 300 percent increased likelihood of dying by six months as compared to similar patients who didn't develop delirium," Ely sai...Gene chips help gauge chemotherapy's effectiveness in adult leukemia patients
...on approach. The study's findings may help doctors adjust treatments based on patients' individual gene-expression profile, says Ritz, who is also a professor of medicine at Harvard Medical School. Further study of these genes may also lead to therapies that target specific genetic abnormalities in adult T-...New DVD 'virtual' microscope at UNC-Chapel Hill
...h Carolina at Chapel Hill are finding less need to adjust a traditional microscope in their histology curriculum. Instead, they are using their computers and a unique DVD to study the exacting science concerned with the minute structure of cells, tissues and organs. This virtual microscope allows students t...University of Pittsburgh Medical Center acquires biotechnology firm Rheogene Inc.
...iator that can turn genes "on" or "off" as well as adjust the level of gene activity. In addition, the company is developing other pharmaceutical discovery agents used in research. "The acquisition of the RheoGene technology furthers UPMC's commitment to be a guiding force in basic science research to imp...National ocean commissioners & scientists call for overhaul of ocean policies & management
...ly targeted species. This involves using models to adjust catches and attempting to keep populations near 50% of their estimated "unfished" levels. Ecosystem-based management recognizes that there is a great deal of uncertainty in predicting natural fluctuations in populations, communities and physical oce...