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Tag: "were" at biology news

Treating HIV in war zones -- Public health emergencies need rapid advice from WHO

...f the Congo (DRC). The reported treatment outcomes were similar to those in HIV projects in non-conflict s...to give up this treatment we will return to how we were at the start, sick." The authors acknowledge that their results have been achieved with the resou...

Researchers use MRI to predict recovery after spinal cord injury

...plete SCI was seen in 51 patients, and 22 patients were neurologically intact upon admission. One patient ...n injured in motor vehicle accidents. MRI exams were obtained within 24 to 48 hours of injury. The research team studied three measurable imaging paramet...

Avian influenza survivors' antibodies effective at neutralising H5N1 strain

...ibodies provided significant immunity to mice that were subsequently infected with the Vietnam strain of H...ays after the onset of illness." The antibodies were discovered in the laboratory of Professor Antonio Lanzavecchia at the Institute for Research in Biom...

Focused ultrasound relieves fibroid symptoms in women

...rature changes in tissue. Ninety-six patients were treated under the original study protocol (A), and 64 patients were treated under an optimized protocol (B). Protocol A allowed a maximum treatment time of 120 minutes ...

'Nurse cells' make life and death decisions for infection-fighting cells

...the thymus than we thought." Thymic nurse cells were given their name because of their close relationsh... into their own cell bodies. Thymic nurse cells were discovered in 1980. Their existence was debated because many scientists found it difficult to believ...

Eavesdropping comes naturally to young song sparrows

... the phone calls of Americans, young song sparrows were listening to and learning the tunes sung by their .... In laboratory experiments, the young sparrows were exposed to two adult "tutors," one of which they directly interacted with vocally and a second one t...

New research shows sharks use their noses and bodies to locate smells

...oozing’ sources of squid odor and seawater control were physically separated from sources of major turbule...zzle). Plume and target preference and search time were not significantly affected by light condition. In the light, lesioning the lateral line increase...

Extra-aggressive form of idiopathic pulmonary fibrosis identified

... of patients and identified a number of genes that were differentially expressed in both groups, suggesting that rapid progressors are biologically distinct from slow progressors. "While preliminary, these results may allow investigators to identify biomarkers of disease progression," said Dr King, wh...

Common treatment for methamphetamine overdose may damage brain cells

... in the same model." The rats in the experiment were injected with either methamphetamine or a saline s...lution over a period of eight hours. When the rats were given haloperidol before and nearly halfway through the eight-hour period, Yamamoto and his colleagu...

Gene expression patterns predict rapid decline in idiopathic pulmonary fibrosis patients

...ups. Specifically, lungs of rapid progressors, who were predominantly males who smoked, overexpressed genes involved in the development of tissues and organs (morphogenesis), oxidative stress, cell migration and proliferation and genes from fibroblasts and smooth muscle cells. According to Naftali Kam...

For many insects, winter survival is in the genes

...y, researchers knew of only two such proteins that were activated in flesh flies during cooler weather. ...mperatures. The proteins are so named because they were initially discovered in fruit flies that were exposed to high heat. Humans make these proteins when ...

Mule deer moms rescue other fawns

... help fawns. That would not be expected if females were simply trying to protect their own fawns." The results appear in this month's issue of Animal Behaviour. In field trials using speakers that broadcast the calls of fawns under threat, the mule deer came to the speaker and stayed there as long a...

How brain pacemakers erase diseased messages

...cells and watched what would happen when the cells were electrically stimulated at various rates and intensities. In addition to showing how the therapy works, their model of neurons in action also revealed that stimulation delivered at too slow a pace fails to keep bad information at bay. Indeed, slow...

Detecting cold, feeling pain: Study reveals why menthol feels fresh

... in cell culture and in mice. The cells in culture were unresponsive to cooling agents, including menthol.... question to rest. As the mice lacking the gene were not completely insensitive to cold -- they avoided contact with surfaces below 10 degrees C, though ...

Better insight into brain anatomical structures

...e brains with breast cancer metastases, the tumors were clearly highlighted by the antibody-coupled contrast agent. The same principle should allow other disease-related changes or physiological systems to be visualized by using the appropriate antibodies....

Philandering female felines forgo fidelity

... percent of cheetah litters with more than one cub were fathered by more than one male, revealing a mating... of cheetahs through the use of fecal samples that were then subjected to genetic testing. By comparing individual genetic micro-satellites from 171 samples...

Lessons from the orangutans: Upright walking may have begun in the trees

...dwelling ape ancestors. Because these ancestors were probably fruit-eaters, as orangutans are, they wou... orangutan movement, and found that the orangutans were more likely to use hand-assisted bipedalism when they were on the thinnest branches. When bipedal, t...

Moths mimic sounds to survive

...years. In the study, other types of moths that were similar in size to the sound-emitting moths, but did not make sounds, were gobbled up by the bats. The researcher trained free-flying bats to hunt moths in view of two high...

An 'elegant' idea proves its worth 25 years later

..."maintenance infusions" until blood ammonia levels were normal. The patients’ overall survival rate was 84 percent, and 96 percent survived episodes of severe ammonia poisoning. An estimated one in 40,000 live births is a child with a urea cycle disorder, according to Hamosh, who says early and accura...

Human stem cell treatment restores motor function in paralyzed rats

... nine of 16 rats with induced spinal cord ischemia were injected with human spinal stem cells 21 days after paralysis. The other seven were injected with medium that contained no stem cells. The recovery of motor function was evaluated in s...

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