Tag: "destroying" at biology news

GenVec, U.S. NMRC, and PATH's Malaria Vaccine Initiative partner to expand malaria vaccine efforts

...rasites invade red blood cells and multiply again, destroying the cells. Flu-like symptoms such as fever, headache, and vomiting appear 9 to 14 days after the infectious bite. If untreated, the infection can progress rapidly and become life threatening, resulting in severe anemia, coma, and death. Malaria cause...

EUREKA project finds safer way to destroy BSE waste

...ive, safer and environmentally friendly method for destroying potentially infected animal wastes. New EU directives to eradicate BSE have generated such a huge volume of specific risk material (SRM) waste from slaughterhouses that many member countries are struggling to cope. Based on existing methods for treat...

Study examines whether giving good bacteria reduces infections

... not just hospitalization and antibiotics that are destroying them. Rather, it's the American lifestyle in general, with its emphasis on cleanliness and a diet low in fiber and high in refined, processed food that is weakening the natural, protective mechanisms of the gut and surrounding immune cells. "Humans t...

Embryonic pig cell transplants halt rat diabetes

...ion drugs to prevent the rats' immune systems from destroying the transplants. The control group received only the transplants and no immune suppression drugs. To the researchers' surprise, the control group's transplants grew unmolested by the immune system, halting the rats' diabetes and changing the focus of...

1,136 scientists call for protection of deep-sea corals

...might once have supported life on Mars while we're destroying the dazzling diversity of life in waters here on E...bia in Vancouver BC. "Nothing could be dumber than destroying the habitats that depleted fish populations need to recover. Governments must stop pussyfooting aro...

New antioxidants are 100 times more effective than vitamin E

... a role similar to that of vitamin C: trapping and destroying water-soluble "free radicals." Free radicals are electrically charged atoms or molecules produced by oxidation that are potentially harmful to the body. In addition, the researchers have joined forces with three researchers at the Vanderbilt Universi...

Non-lethal methods can resolve conflicts between bears and humans

...can help resolve human-carnivore conflicts without destroying animals that perform important ecological roles" said Dr. Adrian Treves, a conservationist with WCS's Living Landscapes program and co-author of the study. "We need better methods and we need to consider human behavior as part of the problem--limitin...

'Suicide proteins' contribute to sperm creation

...d cell death, or apoptosis, caspases kill cells by destroying proteins that sustain cellular processes. Apoptosis, a highly controlled sequence of events that eliminates dangerous or unnecessary cells, contributes to a wide variety of developmental and physiological processes--in a developing embryo, apoptosis ...

'Snowbirds' versus real birds

...uccessful in producing young. "Our work shows that destroying these high quality habitats has a disproportionate effect on the redstart populations: they lose the areas most capable of supporting them," says Dr. Ratcliffe. "As biologists, to see such a significant effect on the birds' reproductive success is ab...

OXiGENE launches significant expansion of its R&D program in ophthalmology

...ization. CA4P is believed to work by damaging and destroying newly formed blood vessels. Pre-clinical studies involving mouse and rabbit models of ocular disease conducted at leading research institutions have reported that CA4P blocks the development and, most importantly, promotes regression of choroidal ne...

Scientists develop a novel strategy to help prevent transplant rejection

...mmune system that patrol the body, seeking out and destroying diseased cells. There are two key types of T cells: T helper cells, which stimulate immune response, and T suppressor cells that put the brakes on it. To test Notch's role in organ rejection the researchers transplanted a heart into the abdomen of a ...

Cytokine signal shuts down hyperactive T cells

...esult as immune cells primed and activated begin destroying native cells as well as those of pathogens. "There are many immune-mediated diseases with many different causes, but this particular pathway may represent a universal checkpoint for the immune system," Hunter said. "It may be possible to create drug...

Clock cells, tumor suicide, tailored therapies among subjects of AACR-NCI-EORTC Conference

...e prospect of a new generation of drugs capable of destroying cancer cells with pinpoint accuracy, without damaging adjacent normal cells. Each year, the American Association for Cancer Research (AACR), jointly with the National Cancer Institute (NCI) and the European Organisation for Research and Treatment of...

Researchers find role RNA plays in progress of Alzheimer's disease

...s disease first attacks the hippocampus, virtually destroying its ability to help regulate memory. Damage to the frontal cortex an area important for cognition follows. The cerebellum is usually unaffected in Alzheimer's, Lin said. The researchers found high levels of oxidative damage in the frontal cortex of...

US crackdown on bioterror backfiring

...nother part requires labs to get permission before destroying any cultures- and this takes more than seven days. Such problems leave scientists feeling that compliance is simply impossible. "Every single lab involved in select agents has violated the regulations somehow," says one. "The FBI can come in and fi...

Improving the body's 'homeland security' against TB

...o dispose of pathogens by engulfing and chemically destroying them, are the major front-line defense our bodies possess in trying to prevent TB from taking up residence. These cells produce the chemicals -- not unlike bleach or other household disinfectants -- which kill TB once they have received instructions ...

Using GPR to estimate tree root biomass

...he root system is responding that does not involve destroying it," said Johnsen. John Butnor, SRS plant physiologist and lead author of the SSSAJ article, has been experimenting with ways to make GPR more accurate by improving the quality of the data through advanced processing techniques, and by calibrating GP...

Tourism to Earth's most threatened areas surges by over 100 percent in last decade

... result in better business for the industry, while destroying the environment would be considered synonymous with killing the goose that lays the golden egg," said Russ Mittermeier, President of Conservation International. With the growth of international tourism expanding from 25 million in 1950 to more than 4...

Platelet refrigeration method may ease shortages for transfusions, researchers report in Science

...s, detect these clusters and ingest the platelets, destroying them. Hoffmeister, Stossel, and their colleagues in the United States, Sweden, and Denmark found a way to mask the specific sugar molecule that the macrophages recognize in the receptor cluster. By adding a single substance to a supply of platelets, ...

Scientists celebrate a sea turtles homecoming

...everal of the nesting cays by foreign investors is destroying many prime nesting beaches. According to WCS scientists, the Nicaragua government has made recent attempts to combat these threats, however, stronger measures are needed, as they have not yet been successful at protecting this invaluable sea turtle n...

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