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Tag: "use" at biology news

Used in a new way, RNA interference permanently silences key breast cancer gene

... D. Anderson Cancer Center have developed a way to use RNA interference (RNAi) so that it permanently ham...t this study shows that that it may be possible to use RNAi in more than just experiments that silence genes temporarily," says the study's principal inves...

Live vaccines more effective against horse herpes virus

...mportant that people know that the MLV has been in use for decades, has proven to be reasonably safe, and in -- my opinion -- it should be the vaccine of choice, at least in non-pregnant animals," said Klaus Osterrieder, associate professor of virology in the College of Veterinary Medicine at Cornell. Th...

Study: 'homemade' gene expression technology unreliable

...arrays. Microarray platforms came into widespread use about five years ago. Pioneers in the field constr...d other elements. "The bottom line is that if you use commercial platforms, you get very good interlaboratory consistency and correlation of data," Spence...

Duke engineers develop new 3-D cardiac imaging probe

...valuating the condition of the heart, but also for use in guiding therapeutic treatment devices, the rese...l images. This limitation makes it impractical for use in guiding therapeutic treatment devices such as ablation probes that burn off damaged cells that ca...

Roche clinical trial registry and results database launched

...ution would lead other pharmaceutical companies to use the CenterWatch repository to register ongoing clinical trials and report results of trials. CenterWatch is a leader in web design and experienced in the implementation of websites for clinical trial listings and clinical trial results, and already h...

Scientists journey to southern Africa to unravel the secret world of elephant communication

... research has been done showing that small animals use seismic signals to find mates, locate prey and est...r, particularly their vocalizations, that we could use as a deterrent." Having just earned a graduate degree in entomology at the University of Hawaii-Man...

Anammox bacteria produce nitrogen gas in oceans' snackbar

...hers recently discovered that anammox bacteria can use organic matter to convert nitrate into nitrite (much better than denitrifying bacteria). This new finding even increases the importance of anammox bacteria in the ocean. New species The anammox bacteria discovered in the Atlantic Ocean are closely r...

FDA Works To Speed The Advent Of New, More Effective Personalized Medicines

...0 Genotyping Test, which will enable physicians to use genetic information to select the right doses of certain medications for cardiac, psychiatric diseases and cancer. "We hope ultimately to bring pharmacogenomics, a way in which to foster the personalizing of medicine, to every healthcare professiona...

Habitat use by North Pacific right whales, Eubalaena japonica, in the Bering Sea and Gulf of Alaska

...f this remnant population of right whales, habitat use was investigated by scientists at the NOAA National Marine Fisheries Service's, National Marine Mammal Laboratory, in Seattle, Washington by examining all available sighting and catch records in the southeastern Bering Sea and Gulf of Alaska over the...

Measuring hormone cuts antibiotic use in half in pneumonia patients

...f the hormone could eliminate or reduce antibiotic use in patients with bacterial pneumonia. Results of the blood test that measures procalcitonin levels can be obtained in only one hour, he said. They studied more than 300 patients with community-acquired pneumonia (pneumonia that is not caught while a...

Biochemists report discovery of structure of major piece of telomerase; implications for cancer

...since 1985, Feigon was the first UCLA scientist to use NMR to determine DNA and RNA structures. ...

Plant Sacrifices Cells to Fight Invaders

...une responses--programmed cell death (PCD). Plants use PCD to create a protective zone of dead cells around the infection site to prevent the invading pathogen from spreading. But how the plants keep from killing themselves after they turn on the cell-suicide process was a mystery. Now, in the May 20 is...

Scientists discover that three overlapping signals in embryo help get the backbone right

...mally used by the embryo have recently been put to use in embryonic stem cell work. Noggin, one of the pr...alis has been sequenced. Harland is pioneering the use of X. tropicalis in genetic studies, creating numerous mutants that can be used to explore the role ...

Marine sponge yields nanoscale secrets

...ort about these exciting new results involving the use of gold nanoparticles is the cover story of the cu...re, in an environmentally friendly way without the use of caustic chemicals, whereas man must use very high temperatures, high vacuums, and dangerous chemi...

NIAID begins clinical trial of West Nile virus vaccine

... deaths. Currently, no WNV vaccine is licensed for use in humans. The experimental vaccine is composed of a small, circular piece of DNA--called a DNA plasmid--that contains genes that code for two key surface proteins of the West Nile virus. When the vaccine is injected into the muscle, the inner machi...

Genetic therapy reverses nervous system damage in animal model of inherited human disease

...largely restored. "As we move toward the clinical use of this therapy in humans, we must develop and uti...prepare this particular gene therapy for practical use in humans. The gene is transported via a neutralized virus that "infects" cells with the functioning...

Friendly bacteria in humans may protect against HIV

... of HIV naturally and cost-effectively, just as we use cats to control mice." The bacteria are strains o...virus is coated with the sugar mannose, which they use as a food source. "Different bacteria have different sugar preferences," says Tao. "To block HIV, h...

Oceans more vulnerable to agricultural runoff than previously thought, study finds

...lgal mass sinks, it is consumed by bacteria, which use up most of the oxygen in the water as they multipl...he primary source of nitrogen pollution, and their use is predicted to double or triple over the next 50 years." ...

Road salt affects mitigation wetlands

...ampus. PennDOT asked researchers if they wanted to use the road building as an opportunity to do research. "PennDOT has really gone out of their way to consider the environmental impact of what they have done," says Silver. "They have been extremely good about talking to the college to minimize the effe...

Defensins Ward Off HIV In Two Ways

...ke drugs for prevention of HIV and for therapeutic use in patients who are already infected. ...

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