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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 specialist at the Mayo Clinic campus in Florida, diagnosed restless legs syndrome. This common neurologic disorder interrupts sleep because of unpleasant sensations in the...

Warmer climate causing huge increase in tree mortality across the West

CORVALLIS, Ore. Regional warming and drought stress are the "dominant contributors" to a rapid increase of tree mortality in old growth forests across the West during the past 50 years, a new report concludes, with the Pacific Northwest the hardest hit of all areas studied. The findings, to be...

Research shows that the pill does not deserve its reputation for causing weight gain

For This release is available in German . Research has not proven that the Pill causes weight gain. But many women are put off using contraceptive pills because this has been listed as one of their adverse effects. Their concern may be narrowing their contraceptive choices without good reason,...

Study reveals air pollution is causing widespread and serious impacts to ecosystems

If you are living in the eastern United States, the environment around you is being harmed by air pollution. From Adirondack forests and Shenandoah streams to Appalachian wetlands and the Chesapeake Bay, a new report by the Cary Institute of Ecosystem Studies and The Nature Conservancy has found t...

Climate change causing significant shift in composition of coastal fish communities

NARRAGANSETT, R.I. June 27, 2008 A detailed analysis of data from nearly 50 years of weekly fish-trawl surveys in Narragansett Bay and adjacent Rhode Island Sound has revealed a long-term shift in species composition, which scientists attribute primarily to the effects of global warming. Ac...

Fever causing headaches for Aussie parents

Australian parents need to be educated about managing fever in young children because many give medication incorrectly and often unnecessarily, according to a Queensland University of Technology nursing researcher. QUT senior research fellow Anne Walsh conducted the first study into how Austral...

Acid rain causing decline in sugar maples, say researchers

Acid rain, the environmental consequence of burning fossil fuels, running factories and driving cars, has altered soils and reduced the number of sugar maple trees growing in the Northeast, according to a new study led by Cornell University researchers. The sugar maple is the most economically v...

How IVF could be causing genetic errors in embryos

The conditions in which embryos are cultured in the laboratory during in vitro fertilisation could be causing genetic errors that are associated with certain developmental syndromes and other abnormalities in growth and development, such as low birth weight. Researchers told the 22nd annual confe...

New stem cell research could reduce number of animal experiments

...s that control the muscles die. This currently incurable condition causes patients to lose movement in muscles, affecting breathing and eventually causing death. Dr Subramanian will be making iPS cells from the skin cells of patients suffering from ALS to study the genes that are thought to cause the ...

La Jolla Institute discovers novel tumor suppressor

... make certain types of white blood cellsbecome overactive. "In the absence of the PLC-beta 3 protein, STAT5 goes into a state of constant activation, causing the development of abnormal myeloid cells," said Dr. Kawakami. The abnormal cells, which are essentially tumor cells, become overactive and produce t...

August 2009 Geology and GSA Today media highlights

.... show that the Lau Event had a profound impact on the early evolutionary history of vertebrates, wiping out almost two-thirds of the fish species and causing major ecological reorganizations over an estimated time span of 200,000 years. Immediately prior to the event, the jawed acanthodians dominated the fi...

K-State researcher, collaborators study virulence of pandemic H1N1 virus

...tic diseases and we can contribute by working on models for animal and human diseases," Richt said. "This expertise is very critical now that an agent causing a pandemic flu in humans most likely originated in animal populations." At K-State, Richt is leading in vitro research to develop better testing to...

Study links virus to some cases of common skin cancer

...host cell. "This is indirect evidence that the virus might play a role in causing some cases of squamous cell carcinoma," says principal investigator Amanda ...uses it to integrate into host-cell DNA, and, therefore, may play a role in causing the cancer," Toland says. Next, Toland wants to test normal skin in healt...

Humans 'damaging the oceans'

...for example." Man-made carbon emissions are now above the 'worst case' scenario envisioned by the Intergovernmental Panel on Climate Change (IPCC), causing the most rapid global warming seen since the peak of the last Ice Age. At the same time the carbon is acidifying the oceans, with harmful consequences...

Fox Chase researchers uncover one force behind the MYC oncogene in many cancers

... protein, a multipurpose transcription factor that normally has a very limited role in adult cells. One of the targets of DLX5 is the MYC gene itself, causing the cells to produce many copies of the MYC oncoprotein. Normally MYC regulates many functions within the cell, including cell division. With an ov...

Stress signals link pre-existing sickness with susceptibility to bacterial infection

... particularly in the lungs or respiratory tract. A new study published in Disease Models & Mechanisms (DMM), shows that infection with the pneumonia causing bacteria Legionella , is facilitated by an increased amount of a signaling protein that is associated with mitochondrial disease. Patients with mit...

Disease threat may change how frogs mate

... Dr Amber Teacher, studying a post-doctorate at Royal Holloway, University of London, has discovered evidence that a disease may be causing a behavioural change in frogs. The research, published in the August edition of Molecular Ecology, has unearthed a surprising fact about our long-to...

New drug may reduce heart attack damage

...id. The heart muscle suffers damage at two distinct times during a heart attack, Professor Khachigian said: "first when the initial blockage occurs causing the chest pain, and second, when the patient undergoes an intervention, such as angioplasty or stenting, to reopen the blocked artery". "At both ...

Parasitic worms make sex worthwhile

..., as well as a third lake, Poerua. The worms' eggs are ingested by the snails. Once inside, the eggs hatch and worm larvae reproduce within the snail, causing infertility. Ducks that live on the lakes scavenge for food at the lakes' periphery, where the water is shallow. The ducks consume infected snails, bu...

Scientists discover gene mutation responsible for hereditary neuroendocrine tumor

...an hSdh5," explains Rutter. "Previous genetic studies have shown that the hereditary paragangliomas PGL1, PGL3, and PGL4 are associated with mutations causing loss of SDH activity. Although the gene for PGL2 had not been identified, we knew that it was located on the same chromosome as the hSDH5 gene." Ru...

Spring cold snap helps with stream ecosystem research

...ms. As warm weather arrives sooner in many parts of the nation, forest plants and trees on the banks flourish, shading the stream from sunlight and causing an overall decrease in productivity in the late spring and summer. A research paper published in this month's issue of Global Change Biology titled ...

Scientists link immune system's natural killer cells to infant liver disease

... 3 Journal of Clinical Investigation , is posted online on the journal's website. "Our findings underscore the developing immune system's role in causing injury to bile ducts soon after birth, and they have implications for developing new therapies to block the disease by targeting certain cells or pro-...

Early initiation of Arctic sea-ice formation

...re it did in Antarctica. Atmospheric levels of the greenhouse gas carbon dioxide were declining in the middle Eocene, one of the reasons postulated in causing the Earth to cool. However, the new findings imply that the threshold for sea-ice formation was first crossed in the Arctic, which, say the authors, ...

Scientists report first remote, underwater detection of harmful algae, toxins

...AA's Center for Coastal Environmental Health and Biomolecular Research laboratory in Charleston, S.C. "It allows us to determine not only the organism causing a bloom, but also the toxicity of the event, which ultimately dictates whether it is a threat to the public and the ecosystem." For the first demon...

Avoiding hysterectomy: Major interventional radiology E-collection info available

... surgery. Interventional radiologists use expertise in imaging to deliver treatment directly to a fibroid, blocking the flow of blood to the tumor and causing it to shrink. "With these modern treatments, hopefully the trend to offer traditional surgery first will be reversed. It's important for patients to a...

Happier, healthier, more productive hens on omega-3?

...rds from barn and free range flocks having sustained breaks or fractures by the end of their lifetime. Fractures of the sternum (keel) are common, causing pain, preventing important behaviours and leading to an increase in infection rate. Chickens possess sensitive pain perception mechanisms and can suf...

UTSA infectious disease researchers advancing vaccine against Valley fever

.... A live, attenuated vaccine is used as a preventative treatment based upon creation of a mutated form of the pathogen that is no longer capable of causing disease. Coccidioides , a soil-dwelling fungus, is responsible for significantly increased numbers of respiratory infections among outdoor worker...

Finding the constant in bacterial communication

...there are only a few cells in an area, nothing will happen," Pai said. "If there are a lot of cells, the secreted chemicals are high in concentration, causing the cells to perform a specific action. We wanted to find out how these cells know when they have reached a quorum." Pai and scientist Lingchong Yo...

The tiny difference in the genes of bacteria

...h also dangerous member of the genus Vibrio, is Vibrio parahaemolyticus. It is a highly contagious pathogenic germ with only a dozen ingested bacteria causing severe diarrhoea. This strain is a threat for the pacific region and reached the east coast of the United States in the 21st century. Since the end of...

Brain malformations significantly associated with preterm birth, Wake Forest research shows

...hat something about the brain malformations may be causing preterm birth and providing a possible study path ...ects or other defects not easily detected could be causing some of them and perhaps we should focus on studyi...there may be blood clots coming from the placenta, causing brain damage and malformations in the brain and th...

Virus-resistant grapevines

...lains Dr. Stefan Schillberg, head of department at the IME. "These antibodies 'recognize' the viruses and prevent them from spreading in the plant and causing damage." To enable the plant to produce the antibodies, the scientists have to modify its genotype and channel genetic information for the antibodies ...

Scientists 'rebuild' giant moa using ancient DNA

...ent feathers, not just the tip of the quill, as previously thought. "This important finding opens the way to study DNA from museum bird skins while causing almost no damage to these valuable specimens, just by clipping a small part of a single feather," says Dr Kyle Armstrong from the Australian Centre fo...

The tiny difference in the genes of bacteria

...h also dangerous member of the genus Vibrio, is Vibrio parahaemolyticus. It is a highly contagious pathogenic germ with only a dozen ingested bacteria causing severe diarrhoea. This strain is a threat for the pacific region and reached the east coast of the United States in the 21st century. Since the end of...

Reading the brain without poking it

...s in diameter do not penetrate the brain but detect abnormal electrical activity and allow surgeons to locate and remove a small portion of the brain causing the seizures. ECoG and microECoG represent an intermediate step between electrodes the poke into the brain and EEG (electroencephalograph...

Environmental cues control reproductive timing and longevity, University of Minnesota study shows

... is that individuals use environmental cues to predict population declines, causing them to delay reproduction until the decline has occurred, when each offspr...production is delayed, while an abundance of rich food signals an increase, causing reproductive age to drop. "Our hypothesis may explain hormesis, the myst...

Energy-saving method checks refrigerant level in air conditioners

... properly charged units. "Not only does the energy efficiency go down, but you also reduce the lifetime of the unit because it has to work harder, causing parts to wear out faster," Braun said. "It's also very time consuming and costly to have a technician check the refrigerant and charge it up to specif...

UTSA wins San Antonio Area Foundation grant to further chlamydia research

... because the disease generally progresses without exhibiting noticeable symptoms. Left untreated, chlamydia infections can do severe damage in women, causing ectopic pregnancies, pelvic inflammatory disease and even infertility. In men, complications can occur but are generally less severe. Murthy, a pr...

Norway, Japan prop up whaling industry with taxpayer money

... spent an additional US$10.5 million covering the costs of an inspection programme from 1993 until 2006, when it was scrapped due to the losses it was causing the country's whalers. Japan and Norway, in defiance of the International Whaling Commission's moratorium on commercial whaling, kill up to 2,000 wha...

Discovery of a water snake that startles fish in a way that makes them flee into its jaws

...sh ears sense the sound pressure on each side of their body. When the ear on one side detects a disturbance, it sends a message to the fishes' muscles causing its body to bend into a C-shape facing in the opposite direction so it can begin swimming away from danger as quickly as possible. Catania is the f...

Gear bans 'can help save reefs'

...al bleaching event, reef managers could ease pressure on the reef and its fish population for a time when corals ecosystems are most sensitive without causing undue hardship to the human populations that depend on it." Dr Cinner says "Of course, where the conditions are right, managers and fishers don't h...
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Breaking Biology News(10 mins):SIR 2015: Interventional radiology shapes tomorrow's medicine 2MSU partners with Detroit to investigate death scenes 2
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