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Tag: "people" at biology news

Norovirus, AIDS vaccine and Hepatitis Virus

...ogy. It is estimated that 20 to 50 percent of the people traveling to tropical areas of the world will experience traveler's diarrhea (TD). TD, defined as three or more loose stool movements in a 24-hour period, frequently results from exposure to bacterial or viral pathogens. Noroviruses (NoV's) are consi...

DuPont's first biologically derived polymer receives global recognition

...s essential to a better, safer, healthier life for people everywhere. Operating in more than 70 countries, DuPont offers a wide range of innovative products and services for markets including agriculture, nutrition, electronics, communications, safety and protection, home and construction, transportation an...

Camera Traps Catch Eye of the Tiger

...an handing out questionnaires to find out if local people had seen any tigers. Scientists then conducted a track survey, in which they attempted to find evidence of the animals in a specific area. This information was used to determine where to set up camera traps, armed with infrared sensors triggered by m...

Dead zone area in Gulf could be increasing, researchers say

..." he says. "This area is of immense importance to people along the northern Gulf of Mexico," he adds. "We plan to return there in May, July, August and October to collect more data and see what condition the dead zone area is at that time." ...

Substance protects resilient staph bacteria

...r fight against a dangerous bacterium that sickens people in hospitals, especially people who receive medical implants such as catheters, artificial joints and heart valves. A substance fou...

Chemists identify immune system mechanism for methamphetamine binges

...s of modern vaccines, he explains. But ironically, people who abuse methamphetamine may build up antibodies ...t now, there's nothing really effective in getting people off methamphetamine," says Janda, who believes that highly specific methamphetamine antibodies can b...

Great White shark evolution debate involves WSU Lake Campus geology professor

...e Atlantic seaboard. Ciampaglio acknowledges that people seem to have a fascination with sharks. "The general public seems to like sharks, and maybe this is because they bring out the fears of our childhood, when they were perceived as scary monsters," he explained. His interest in sharks is apparent when...

Antiretroviral therapy may prevent excess risk of some cancers in people with HIV

In people infected with human immunodeficiency virus (HIV), ...rnal of the National Cancer Institute. Studies of people with acquired immunodeficiency syndrome (AIDS) have reported increased risks of several cancers, inc...

Viral protein influences key cell-signaling pathway

...in." HTLV-1 infects an estimated 15 to 20 million people worldwide. In about five percent of them, the infection will lead to adult T cell leukemia or lymphoma (ATLL). ATLL is an aggressive disease characterized by a long latent period and the proliferation of T lymphocytes. The virus is spread by sexual a...

Flocking together: Study shows how animal groups find their way

...He also believes the results may shed light on how people move in crowds and is currently organizing experiments that test the principles in large groups of student volunteers. ...

Molecular models advance the fight against malaria

...r a disease that afflicts more than half a billion people worldwide. The scientists developed disease models using yeast and successfully introduced five mutations that make malaria resistant to the anti-malarial drug, atovaquone. The study, featured as the cover story of the April 29 Journal of Biological...

PGA on a tour under the skin

...ssociated with an enormous number of infections in people with prosthetic joints, replacement heart valves, and intravenous catheters, and antibiotic resistance makes it tough to battle. Moreover, the mechanism through which the organism becomes so pathogenic once the protective barrier of the skin is remov...

Molecule that usually protects infection-fighting cells may cause plaque deposits inside arteries

...ovascular diseases ?the No. 1 cause of death among people in the United States. It is also highly associated with other risk factors such as smoking, obesity and diets high in fat and cholesterol. ...

Iron exporter revealed that may explain common human disorder

...chromatosis--which affects one in every 200 to 300 people in Western populations --causes tissues of the body to become overloaded with iron. Left untreated, the hereditary disease can lead to organ failure. The new work, led by researchers at the Children's Hospital Boston and Harvard Medical School, find...

Insight into natural cholesterol control suggests novel cholesterol-lowering therapy

...lowering statins--taken by an estimated 10 million people each day to protect against coronary artery disease and reduce the incidence of heart attacks--limit cholesterol synthesis by inhibiting reductase function, he said. As a result, cells take up more cholesterol from the bloodstream, lowering its conce...

Biodiversity hotspots identify conservation priorities

...t and animal species, but also for the millions of people whose well-being is tied to its ecological health." The Madrean Pine-Oak Woodlands hotspot is a 178,095-square-mile area encompassing Mexico's main mountain chains, some isolated mountaintops in Baja California, and a few scattered patches in the so...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

...lean up the selenium, but the thing that's holding people up from using plants more widely is that, by and large, they work slowly," said Terry. "So what we want to do is take a plant like Indian mustard, because it can grow quickly -- up to six to seven feet tall -- and it is tolerant to many toxic conditi...

Stem cells from brain transformed to produce insulin at Stanford

...nsulin-producing cells that mimic those missing in people with diabetes, according to a paper published in t...ways of transplanting insulin-producing cells into people with diabetes, eventually providing a cure for the disease. In past work, Kim and members of his la...

Fibril Shape Is The Basis Of Prion Strains And Cross-species Prion Infection

...orm encephalopathy cases, for example, and lots of people exposed to tainted beef products, but very few cases of variant Creutzfeld-Jakob." He says there "must be protective mechanisms working there, but we don't know what they are." The other members of the Weissman research team include Motomasa Tanaka...

Increased risk of osteoporosis associated with gene that one in five people have

About nineteen percent of people have a genetic variation that may increase suscept...ts it would be very advantageous to identify those people at especially high risk for osteoporosis of the hip. The CYP1A1 variant that the researchers linked ...

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