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Sleeping in Biological News

Selective restraints and reduced medication could reduce nursing home falls says 4-year study

... elderly residents and giving them fewer sleeping pills could significantly reduce falls, according ... and the use of safety belts, wheelchairs and sleeping pills. Researchers analysed incidents ... drugs were much more likely to experience a fall. sleeping pills and anti-depressants made people 1.4 times ...

New study reveals the protein that makes phosphate chains in yeast

... implications ranging from improving crops to fighting diseases such as sleeping sickness. Scientists have known for a long time how bacteria make ... research could also pave the way for new treatments for diseases such as sleeping sickness and Chagas disease, as the parasites that cause them need ...

Mayo Clinic researchers suspect a novel gene is causing restless legs syndrome in a large family

... JACKSONVILLE, Fla. In 2005, a woman who had trouble sleeping asked Siong-Chi Lin, M.D., for help. Dr. Lin, a sleep disorders ... patient told him that many of her relatives also have the same trouble sleeping difficulties she could trace back through her ancestry. With the ...

Brain stem cells can be awakened, say Schepens scientists

... found that removing these molecules (with a genetic tool) activated the sleeping stem cells. The team also found that astrocytes in the hippocampus ... of the two papers, The next step for the team will be to stimulate the sleeping stem cells in animals who are models of neurodegenerative disorders, such ...

Stowers Institute's Hawley Lab identifies factors responsible for restart of meiotic cycle

... The Hawley Lab has described the dual actions of these two proteins as the sleeping Beauty Kiss that awakens the long-dormant egg, allowing for production of ... for over a century because it raises the question of just how the sleeping oocyte is reawakened. The Hawley Lab addressed this question and ...

Researchers developing device to predict proper light exposure for human health

... as core body temperature variations, hormone production and secretion, and sleeping and waking patterns, among other functions in the human body requires ... circadian rhythms by collecting information regarding each persons sleeping and waking cycles, light intake, and fluctuations in sleep quality, stress ...

Methods for gene transfer in stem cells featured in Cold Spring Harbor Protocols

... http://www.med.umich.edu/cdb/sub_pages/People/krull.htm ) provides a method for stable integration and reliable long-term expression of a transgene. sleeping Beauty transposon-based transfection is a two-component system consisting of a transposase and a transposon containing inverted repeat/direct repeat ...

CU-Boulder study shows Maya intensively cultivated manioc 1,400 years ago

... and reverence the Maya had for water," he said. The volcano at Ceren shrouded adobe structures, thatched roofs, house beams, woven baskets, sleeping mats, garden tools and grain caches. The height of the corn stalks and other evidence indicate the eruption occurred early on an August evening, he ...

Re-awakening old genes to help in the fight against HIV

... HIV. Lead scientist Alexander Cole used aminoglycosides, drugs commonly used to fight bacterial infections, to trigger the production of the sleeping protein expressed by the retrocyclin gene. "It could make a huge difference in the fight against HIV," Cole said. "Much more work would be needed ...

Tufts students host Earth Day with groundbreaking ceremony for solar house

... ultimately result in a higher energy yield. In addition to the projects being student directed, the competition requires that the houses include sleeping quarters, entertainment space, a kitchen and a bathroom. Preliminary construction of Curio House began several weeks ago inside a warehouse on the ...

American Chemical Society Weekly PressPac -- April 15, 2009

... companies, government agencies and private donors in a new assault on neglected diseases. Those hard-to-treat diseases include leishmaniasis, sleeping sickness, and Chagas disease. These conditions infect millions of people worldwide each year, killing thousands. An article on this development is ...

Brown-led team offers first look at how bats land

... People have always been fascinated by bats, but the scope of that interest generally is limited to how bats fly and their bizarre habit of sleeping upside down. Until now, no one had studied how bats arrive at their daytime perches. A Brown University-led research team is the first to document ...

Study finds life-saving trend among seagulls

... Dr. Beauchamp spent the last two summers tracking and studying gull behaviour in the Bay of Fundy. He compared the activity of gulls that were sleeping relative to the alertness of their neighbours. "Gulls sleep with one eye open and constantly scan the group. Based on my observations, we know now ...

The global impact of climate change on biodiversity

... moths from South East Asia, enabling the research team to identify the new samples. Armed with the data from 1965, moth-trapping equipment, tents, sleeping bags and rations, I-Ching and colleagues set out to repeat the original survey. "Photographs from the 1965 expedition led us back to exactly the ...

Mineral oil contamination in humans: A health problem?

... Official Food Control Authority of the Canton of Zurich, Switzerland, titled "Does the Ukrainian sunflower oil contaminated with mineral oil wake up sleeping dogs?" discusses the situation. Dr. Koni Grob says that in many more foods more than 50 mg/kg mineral oil components from other sources will be found ...

Emotion and scent create lasting memories -- even in a sleeping brain

... dipped a pastry into his tea, the distinctive scent it produced suddenly opened the flood gates of his memory. In a series of experiments with sleeping mice, researchers at the Duke University Medical Center have shown that the part of the brain that processes scents is indeed a key part of forming ...

Salk researcher Terry Sejnowski elected to Institute of Medicine

... He has created computer models of networks of neurons to explore the mechanisms underlying attention in the awake brain and brain rhythms in the sleeping brain and the links between them. These models also help explain how epilepsy arises from imbalances in brain circuits. Sejnowski's laboratory has ...

The truth about cats and dogs

... for People Once familiar with each others' presence and body language, cats and dogs can play together, greet each other nose-to-nose, and enjoy sleeping together on the couch. They can easily share the same water bowl and in some cases groom each other. The far-reaching implications of this Tel Aviv ...

Light receptors in eye play key role in setting biological clock, study shows

... the negative effects of shift work, aging and jet lag. About 20 to 25 percent of U.S. workers are shift workers, many of whom have difficulty sleeping during the day when they are not working, and likewise find it hard to stay alert at night while on the job. An estimated one in six people in the ...

In Vietnam, alongside progress, a battle for life

... taken loans to pay the patients contribution towards their treatment, so they live frugally - buying food from sellers outside the hospital gates and sleeping on day-beds in the corridors. Like Xuong, many are far from home and havent seen family or friends in months. Enlisting Partners in the Fight ...

Brain tweak lets sleep-deprived flies stay sharp

... of the night, with sleep cycles lasting 20-25 minutes. Also like humans, flies deprived of sleep one day will try to make up for the lost time by sleeping more the next day, a phenomenon referred to as increased sleep drive or sleep debt. For the new study, first author Laurent Seugnet, Ph.D., a ...

Post-exercise caffeine helps muscles refuel

... responses to caffeine ingestion vary widely between individuals. Indeed, while several of the athletes in the study said they had a difficult time sleeping the night after the trial in which they ingested caffeine (8 mg per kilogram of body weight, the equivalent of drinking 5-6 cups of strong coffee), ...

Vanishing polar ice talk to be Webcast live, April 10

... one of the world's pre-eminent experts on the study of global climate change, will present Dramatic Changes in Earth's Polar Ice: Are We Waking sleeping Giants? at 7:30 p.m., Thursday, April 10, in the Gore Recital Hall of the Louise and David Roselle Center for the Arts at UD. As head of NASA's ...

U of M research finds teens who have TV in their bedroom are less likely to engage in healthy habits

... study habits, grades, diet, exercise habits, and family connectedness. Nearly two-thirds of the participants had a television in their bedroom or sleeping area, and those who did watched four to five more hours of television each week. Girls with a TV in their bedrooms spent less time in vigorous ...

NYU dental professor discovers biological clock linking tooth growth to other metabolic processes

... rhythm, controls many metabolic functions and is based on the circadian rhythm, which is a roughly 24-hour cycle that is important in determining sleeping and feeding patterns, cell regeneration, and other biological processes in mammals. The newly discovered rhythm, like the circadian rhythm, ...

NASA expert to address Earth's vanishing polar ice, April 10, at UD

... is one of the world's pre-eminent experts on the study of global climate change, will present Dramatic Changes in Earth's Polar Ice: Are We Waking sleeping Giants? at 7:30 p.m. in the Gore Recital Hall at the University of Delaware's Louise and David Roselle Center for the Arts. Abdalati will ...

The power of multiples: Connecting wind farms can make a more reliable - and cheaper - power source

... Its a bit like having a bunch of hamsters generating your power, each in a separate cage with a treadmill. At any given time, some hamsters will be sleeping or eating and some will be running on their treadmill. If you have only one hamster, the treadmill is either turning or it isnt, so the powers ...

Humans and monkeys share Machiavellian intelligence

... leaders use during the Renaissance. Alpha males, who rule the 50 or so macaques in the troop, use threats and violence to hold on to the safest sleeping places, the best food, and access to the females in the group with whom they want to have sex. Like human dictators intent on holding power, ...

Expecting an afternoon nap can reduce blood pressure

... men, one woman) who did not routinely take afternoon naps. The volunteers attended the university laboratory on three separate afternoons after sleeping four hours the night before. The volunteers wore equipment that checked blood pressure, heart rate, and forearm cutaneous vascular conductance (which ...

Heaps of climate gas

... grassland soils really becomes a methane spring. For animal protection reasons, the placing of cattle in winter on pastures - with the possibility of sleeping in a cowshed or of obtaining feed there becomes increasingly popular. The over-wintering of bovine animals is quite widespread at least in the ...

Restless legs syndrome affects nearly 2 percent of US/UK children

... their symptoms began in childhood. In the early 1990s, Picchietti began to notice that some children who came to his office because they had trouble sleeping or paying attention in school had symptoms of RLS. But there was scant research on the prevalence of RLS in children. The new study included a ...

CU-Boulder team discovers first ancient manioc fields in Americas

... occurred on an early August evening because of the height of corn stalks and the fact that the farming implements had been brought inside but the sleeping mats had not yet been rolled out. Thus far 12 buildings at Ceren -- believed to have been home to several hundred people -- have been excavated, ...

New study suggests promising drug combinations for sleeping sickness

... trial evaluating new drug combinations for sleeping sickness, carried out by the international ... Clinical Trials. African trypanosomiasis, or sleeping sickness affects many tens of thousands of ... treatment option for patients with second-stage sleeping sickness, where infection has reached the brain ...

Jumping gene could provide non-viral alternative for gene therapy

... transposon in mammalian cells, hyperactive sleeping Beauty, first found "asleep" in fish. They also ... is widely used to genetically modify insects. sleeping Beauty has been used to correct hereditary ... might not work as efficiently as a virus, it put sleeping Beauty to shame when it came to making cells ...

African parasite makes component of fat differently from all other organisms

... Studying the parasite that causes African sleeping sickness, scientists at Johns Hopkins have ... be good targets for designing drugs to treat sleeping sickness." The single-celled trypanosome that causes African sleeping sickness, transmitted between humans and animals ...

A large step forward in the fight against African sleeping sickness

... Each year, over 300,000 people die of African sleeping sickness (trypanosomiasis). Researchers from the ... people who have contracted this disease. >African sleeping sickness About 400,000 people worldwide suffer from the deadly African sleeping sickness. The disease produces severe sleep ...

Sleeping beauty plays a significant role in identifying cancer genes

... mice and utilized a piece of jumping DNA, called sleeping Beauty. Jumping genes, or transposons, insert ... of years of evolutionary sleep; hence the name sleeping Beauty. In the two current research studies, specially designed sleeping Beauty transposons were introduced into mouse DNA ...

Compound might defeat African sleeping sickness, clinical trial beginning this month

... in the late 1950s. That disease, African sleeping sickness, or trypanosomiasis, largely succumbed ... effectiveness in subjects with the early stage of sleeping sickness. Scientists are launching a Phase III ... new drug for early stage (blood stage) African sleeping sickness in 50 years, and the only oral drug ...

Breakthrough System for Understanding Ocean Plant Life Announced

... by a deadly parasitic disease known as African sleeping sickness. The disease is caused by organisms ... which are spread by the tsetse fly. African sleeping sickness affects approximately 500,000 people in ... a more effective drug for treating African sleeping sickness. The trypanosome evades the human ...
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