Gene therapy for Parkinson's disease moves forward in animals
...ies of a gene to produce GDNF into a region in the front part of the brain called the striatum. They then induced Parkinson-like conditions by introducing a drug to destroy the dopamine-producing cells. Seventeen weeks after that, not only did the GDNF-treated monkeys show improvement in performing tasks, ...When cobras spit, there's not a dry eye in the house
...'s face, which is moving backwards and forwards in front of it. For several seconds it remains erect like t...head flashes forwards. For an instant the fangs in front of its pale pink throat are visible in its wide-open mouth, as they squirt the venom at high pressur...Rat brain's executive hub quells alarm center if stress is controllable
...s a stressor controllable, an executive hub in the front of the brain quells an alarm center deep in the brainstem, preventing the adverse behavioral and physiological effects of uncontrollable stress. "It's as if the prefrontal cortex says: 'Cool it, brainstem! We have control over this and there is no n...Spit, and call me in the morning
...nity, it's time to bring oral fluid testing to the front line and look at what value it will bring," said David Wong of the University of California, Los Angeles Jonsson Cancer Center and School of Dentistry. One of the emerging uses for oral fluid testing is in dental health. Based on information from so...Brain controls robot arm in monkey, University of Pittsburgh researcher reports at AAAS
...he task, food was placed at different locations in front of the monkey, and the animal, with its own arms restrained, used the robotic arm to bring the food to its mouth. "When the monkey wants to move its arm, cells are activated in the motor cortex," said Dr. Schwartz. "Each of those cells activates at a...Urgent measures needed to retain our lead in pharmaceuticals
...tents have lapsed, is now set to carry out its own front line research. Meanwhile in Europe development costs of new drugs are climbing steadily, associated investment risk is rising and fewer innovative products are emerging from company pipelines. A major conference on the Evolution of the Life Science ...A new 'strategic partner' in cancer development
...cancer cells from the most aggressive and invasive front of tumors and in metastases at adjacent lymph nodes. In an additional surprise finding, the scientists found concentrations of nerve cell bundles containing L1 located next to clusters of colon cancer cells that, as mentioned, boast large amounts of ...In the mating game, male wild turkeys benefit even when they don't get the girl
...ired up to follow groups of females and display in front of them. Both males would blush brilliant red and blue about the face and throat, fan their colorful tails and drop their wings, but only the dominant male would perform the classic strut - shuffling his feet and emitting a low drumming noise. "Whil...Rhesus monkeys can assess the visual perspective of others when competing for food
...nt, one of the competitors could see the monkey in front of them, but the other could not. For example, in Experiment 1, one of the competitors stood with his back to the monkey subject, while the other stood facing the subject. Monkeys in this experiment spontaneously chose to approach and steal a grape f...Scientists discover that three overlapping signals in embryo help get the backbone right
...ginning of the process of gastrulation, which sees front and back, head and tail, left and right established and the first appearance of a recognizable body plan. If this step fails, the embryo eventually dies. "Gastrulation and the process of defining your back-belly axis is such an important step that yo...Scientists discover that host cell lipids facilitate bacterial movement
...To our surprise these lipids also localized to the front of the moving bacteria." The researchers also noticed that Listeria movement slowed down when the bacteria were treated with molecules that inhibited PI3-kinase, proving that Listeria depend on PI3-kinase to move. "Our studies show that Listeria is ...Photos show jaguar vamping for camera
... National Park in Bolivia, when it plopped down in front of a remote "camera trap" and allowed a remarkable...s why this particular jaguar spent so much time in front of the camera, where it alternatively sat, laid on his side or on his back with his feet in the air,...Octopuses occasionally stroll around on two arms, UC Berkeley biologists report
.... To camouflage itself, it sometimes coils its two front arms and raises them in a pose that somewhat resembles algae. Two years ago, while Huffard was visiting her thesis advisor, UC Berkeley integrative biology professor Roy Caldwell, on Lizard Island 45 miles north of Cairns, Australia, she decided to t...Vital step in cellular migration described by UCSD medical researchers
...e polarized so that the molecular processes at the front end and back end are different, leading only to forward movement. One of the first steps in cell migration is the initiation of activity by Rac that extends protrusions out of the cell. These protrusions serve as tractor sites for migration as the ...Pair of cancer genes found to drive both cell migration and division
...ntists studying cell migration have focused on the front of the cell and what drives it, while cell division researchers have concentrated on the furrow within the dividing cell," says Devreotes. "But we've found that when you look at the whole cell, there are a lot of similarities between division and mov...Students to chat online with leading genome researchers for National DNA Day
... share first-hand some of their experiences on the front lines of genomic research. A state-by-state list of NHGRI's DNA Day Ambassadors and their schools is available at http://www.genome.gov/13514592 .......ether, suddenly we had the real structure right in front of us. Some aspects of it looked familiar, but others were completely unanticipated," says Fass. The scientists were surprised to note that the shape of the complexes on the retroviruses bore little resemblance to other known viral envelope protein ...Brain scans reveal how gene may boost schizophrenia risk
...l. The study found that increased activity in the front of the brain predicted increases in the neurotrans...ime confirms in living humans that activity of the front brain area, the prefrontal cortex, is regulated by dopamine production in the midbrain, which, in tu...CyberWalk - unconstrained walking in virtual worlds
...me standardized conditions. Even a cloud moving in front of the sun can completely change the lighting of a scene. Virtual worlds however allow for controlled and independent changes of all experimental parameters in precisely defined steps. Thus, virtual worlds are the appropriate environment for studying...Long thought extinct, ivory-billed woodpecker rediscovered in Big Woods of Arkansas
...dpecker flew across the bayou less than 70 feet in front of Gallagher and Harrison, who simultaneously cried out: "Ivory-bill!" Minutes later, after the bird had disappeared into the forest, Gallagher and Harrison sat down to sketch independently what each had seen. Their field sketches, included in the S...