Antioxidant overload may underlie a heritable human disease
...ygen species, triggering antioxidative pathways to kick in. In the diseased animals, however, that pathwayin which oxidized glutathione is recycled to its reduced, antioxidant formsoon got out of hand, producing excess levels of the reduced glutathione and a condition of reductive stress. Moreover, they...Chronically sleep deprived? You can't make up for lost sleep
...t would not be adaptive for the sleep homeostat to kick in and to make the animal fall sleep when it is in the midst of a flood or forest fire. Therefore, the body undergoes some change that allows it to counter its homeostatic need for sleep and to stay awake to avoid danger. Turek and his team propos...Salty oceans provide early warning for climate change
...nds of kilometres apart. A salt surge is enough to kick start circulation, says Zahn. Meanwhile, a decrease in saltiness in South African waters could be linked to a slowing down of the North Atlantic circulation. Models and data both indicate that these changes in ocean circulation occur over very shor...Jet lag: It's all about chemical reactions in cells
... These structural changes on the protein's surface kick off a cascade of events that affect the expression of genes, such as those that turn carotenoid production on and off. By substituting a single atom (sulphur for oxygen) on the surface of the vivid protein, the researchers were able to shut down the ...Latest plant health research to be presented in San Diego
..." he said. The meeting's scientific program will kick off Sunday morning, July 29, with a plenary session that will offer new perspectives on global warming and food safety. Plenary speaker Diana Wall, Colorado State University, will provide fresh insight on global warming in her presentation "Debun...Are we killing the world's oceans?
...Centre at the University of British Columbia, will kick off the forum with a free public lecture on "Are We Past the Point of No Return in Mining Fish From the Sea?" on Feb. 21 Pauly is one of the world's leading fisheries conservation scientists, and a vocal and influential critic of current fishing prac...Some brain-damaged patients quit smoking with ease, researchers report in Science
...ults may offer leads for therapies to help smokers kick the habit or for monitoring smokers' progress while using existing therapies. The study was largely inspired by a patient who had smoked around 40 cigarettes a day before his insula was damaged by a stroke and then quit immediately after. He told ...Researchers barcode DNA of Venice museum's vast fungi collection
...n said the museum's vast collection of fungi got a kick start when the Venice Society of Mycology formed in the late 1980s to monitor the mycological flora in the Lagoon of Venice and surrounding areas. The collected samples represented over 1,200 species of fungi and formed the foundation of the museum's...Center for Sensory Biology Inaugural Symposium
...ories studying all the senses in one location. To kick off this new multidisciplinary collaboration, the Center will present investigators' latest findings from research at Hopkins and elsewhere at an all-day symposium. Find out how the retina detects light; how hair cells of the inner ear sense sound;...Can you hear me now? Scientists find previously unknown receptors on adult stem cells
...teria and viruses. When activated, these receptors kick the stem cells and immature blood cells into action, enlisting them to help fight whatever pathogen is attacking the body. The findings, which appear in the June issue of the journal Immunity, could have important implications for treating leukemias ...Ten years later, 'Dolly' is still making headlines
...years ago - created the cloned sheep "Dolly," will kick off the 2006 American Association of Pharmaceutical Scientists' (AAPS) National Biotechnology Conference in Boston, June 18-21. At the meeting, nearly two-thousand of the world's leading scientists will discuss a variety of critical issues affecting...Research links protein to breast-cancer migration
...ent breast-cancer treatments have been designed to kick start the anoikis process and kill these rogue cells. But the cancer cells are clever and learn how to avoid being destroyed, which means these treatments no longer work and patients often see their breast cancer return. Dr. Gilmore said: "Understand...... immune system, which take a few days to mobilize, kick into full gear. Natural killer cells are armed with enzyme-filled sacs that spill their deadly contents when infected or cancerous cells cross the killer's path. In addition, they secrete cytokines, chemical messengers that jumpstart the T and B cel...Researchers discover how bacteria sense their environments
...plify infinitesimal changes in the environment and kick off processes that lead to specific responses within the cell. "Bacteria sense a lot of different things. But assume it's a sugar molecule that a bacterium needs as a nutrient -- even a 0.1 percent change in concentration can be detected, and this se...Just like us, social stress prompts hamsters to overeat, gain weight
... "fight or flight" response under stress and helps kick off a cascade of physiological responses. "There are a whole suite of physiological responses that occur as a result of stress," Bartness said. It will take time to unravel all these physiological responses and to use that knowledge to block stress-...Latest plant disease research to be presented in Quebec City
...," she said. The meeting's scientific program will kick off Sunday morning, July 30, with the plenary session "Biological Interactions and Biological Crossroads." The scientific program, which collectively represents the program of all three societies, includes nearly 25 oral sessions, more than 700 poste...Wisconsin scientists discover a master key to microbes' pathogenic lifestyles
...he body temperature of a human or other animal, it kick starts a genetic program that transforms the fungi into pathogenic yeasts. "This is a global regulator that sends signals down a molecular chain of command and governs a series of vital genetic programs," Klein explains. "It leads to changes in the ...Coral reef resilience: Better feeders survive bleaching
...trait critical to coral resiliency the ability to kick feeding rates into overdrive. In an experiment with three species of Hawaiian corals researchers found that, when bleached, the branching coral Montipora capitata sharply increased its intake of tiny plankton, making it much more likely to bounce bac...Resident birds display migratory restlessness
...ntal triggers, this innate migratory program might kick in to allow birds to escape deteriorating habitats caused by global climate changes or other ecological disturbances. With evidence that Zugunruhe exists in nonmigratory birds, researchers can continue exploring migratory behavior in any number of re......single pain receptor is solely responsible for the kick delivered by mustard oil and garlic, according to research in the March 24 Cell. Mustard oil is the active ingredient in mustard and in the pungent green sushi condiment known as wasabi. The sensory receptor also underlies the response to a variety o...