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Tag: "gets" at biology news

Study shows pine bark naturally decreases severe chronic venous insufficiency

...cessfully treated, the increased pressure on veins gets normalized, preventing the veins from further increasing in size. "Pycnogenol® has demonstrated its efficacy and safety in several clinical trials and symptoms of CVI have been reduced significantly by Pycnogenol® in controlled studies. We were ple...

New bird flu drug promises to beat the problem of resistance

...yme binds to the drug instead. The drug physically gets in the way and inhibits the action of the enzyme. This stops the virus from spreading to new cells and helps to reduce the severity and duration of flu so that the body's own defence mechanisms, together with other medical interventions, can help a...

Researcher gives hard thoughts on soft inheritance

...pups get lots of nurturing the glucocorticoid gene gets turned on and expressed early at a critical period... enough nurturing and grooming, and the gene never gets turned on. Richards says that whole mechanism appears to be the result of changes in DNA methylatio...

Scientists take 'snapshots' of enzyme action

... "For FMOs, the end result -- that an oxygen atom gets added to make these compounds soluble -- is simple," Swaminathan says, "but the reactions require additional participants, or cofactors." In order to understand the molecular mechanism, the scientists used high-intensity x-ray beams at the National S...

One-dimensional diffusion accelerates molecular motors

...tists have not known how the length of microtubule gets regulated, nor how the proteins reach the end of t...crotubule ends very quickly. Howard says, "when it gets there, MCAK eats like a Pacman into the end of the microtubule." The chromosome halves follow this m...

Leptin found to control appetite and limb development in frogs

...now, and they can begin sprouting limbs. "Leptin gets a lot of attention for its role in food intake, but it's clear that it does lots of other jobs," he said. The hormone is known to be part of a family of proteins called cytokines that includes pituitary growth hormone, and it has been found to increa...

No cell walls, no new cancer cells

...er Research (LICR) has not only shown how the cell gets this timing right, but has also conducted proof-of-principle studies that indicate taking away the cell's bricks and mortar is a potential strategy for cancer control. "New cells are created by the duplication of existing cells through a highly-org...

Pollutant haze heats the Arctic

...e reasons Salt Lake has high pollution. The Arctic gets the 'inversion' for months at a stretch during the long, dark winter. The difference is that here [in Salt Lake] the pollution source is local, whereas in the Arctic, the pollution source is from industry far away ?mostly from northern Europe and Eur...

Scientists solve 30-year-old mystery of mutant mouse's kidney woes

...ntually, you overwhelm the plumbing system, and it gets backed up to an upstream location: the kidney," Chen says. Chen plans follow-up studies of aqp2 to determine how important various parts of the protein are to its proper distribution in the kidney collecting duct epithelium. His lab also is looking...

Cell death following blood 'reflow' injury tracked to natural toxin

...ice engineered to lack an enzyme that chews up and gets rid of PAR. These mouse brains contained twice as much PAR-polymer as those of normal mice. After the researchers induced a blood clot injury like a stroke, the same mice showed a 62 percent increase in the area of brain damage compared to normal ...

Ground spider diversity studied in research project

... "But that (knowledge) comes in handy when someone gets bitten or you have major spider problems." The City of College Station has a long-term commitment to inventory the park, which has diverse plant and animal populations, for changes in habitat, she said. The park has areas for hiking, bird watching ...

MIT finds most complex protein knot ever seen

...When a protein in a cell needs to be destroyed, it gets labeled with another protein called ubiquitin. "It's a death mark for the protein," said Leonid Mirny, an author of the paper and an associate professor in the MIT-Harvard Division of Health Sciences and Technology. Once the "death mark" is applied...

How does a zebrafish grow a new tail?

...ts, something has to tell it to stop before growth gets out of hand. In the Dec. 21, 2006 online edition of the scientific journal Development, UW researchers report on laboratory evidence that suggests that Wnt/Beta signaling also promotes the regeneration of tail fins in zebrafish. Another, distinct ...

Researchers reveal mystery of bacterial magnetism

...ch lower concentrations." It is as if the climber gets tired and turns around sooner when heading up the mountain, keeping her from heading too far in the wrong direction. And the stronger the magnetic field, the bigger the effect. The scientists do not yet know how the magnetic field has this affect o...

To elude bats, a moth keeps its hearing in tune

...(pitch) sensitivity in response to sound. As a bat gets closer to a moth, both the loudness and frequency of sound increase. Surprisingly, the sensitivity of the moth’s ear to the bat’s calls also increases, as the moth ear dynamically becomes more sensitive to the frequencies that many bats use when atta...

Professors to develop hand-held pathogen testing device

...of employees is likely to increase when the device gets to the commercialization stage. ...

Fighting like a girl or boy determined by gene in fruit flies

...etter system to study than fruit flies. And no one gets hurt." The fruitless gene is known for its role in male courtship. The large gene makes a set of male-specific proteins found exclusively in the nervous system of fruit flies, in about 2 percent of neurons. The proteins are necessary for normal co...

Stanford discovery may help predict when toxoplasma can be deadly

...st can have dire consequences. "If a given strain gets into the 'wrong' host, the result is a system out of kilter and extreme disease. It's the bull in the china shop." The origins of the more virulent strains of Toxoplasma were first documented in a 2001 Science paper from Boothroyd's group; the ...

Robotic whiskers can sense three-dimensional environment

...stand how mechanical information from the whiskers gets transmitted to the brain and to develop artificial whisker arrays for engineering applications. Mitra J. Hartmann, assistant professor of biomedical engineering and mechanical engineering in the McCormick School of Engineering and Applied Science,...

Brown scientists map structure of DNA-doctoring protein complex

...n, you begin to see how the real work inside cells gets done." Sun said solving the structure of the DNA-protein complex called for some creativity. Because it is a string of six proteins, the complex is too big and too flexible to analyze through standard methods such as X-ray crystallography. Sun ...

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