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Tag: "temporarily" at biology news

Mouse brain cells rapidly recover after Alzheimer's plaques are cleared

...by scientists at the University ofPittsburgh, that temporarily sticks to amyloid. He showed that as theplaques appeared, nearby branches of nerve cells developed bumps andswellings."If you look under the electron microscope at these swellings, they arefilled with abnormal amounts of different types of cellular p...

Key molecule in plant photo-protection identified

...by scientists at the University ofPittsburgh, that temporarily sticks to amyloid. He showed that as theplaques appeared, nearby branches of nerve cells developed bumps andswellings."If you look under the electron microscope at these swellings, they arefilled with abnormal amounts of different types of cellular p...

Jumping gene helps explain immune system's abilities

...he DNA, the leftover DNAalso forms a hairpin loop, temporarily doubling back on itself,postdoctoral fellows Liqin Zhou, Ph.D., and Rupak Mitra, Ph.D.,discovered in experiments in test tubes and with E. coli bacteria.Although this loop distances Hermes from its well-studied cousins, theHermes protein still has an...

UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections

...he DNA, the leftover DNAalso forms a hairpin loop, temporarily doubling back on itself,postdoctoral fellows Liqin Zhou, Ph.D., and Rupak Mitra, Ph.D.,discovered in experiments in test tubes and with E. coli bacteria.Although this loop distances Hermes from its well-studied cousins, theHermes protein still has an...

New therapy for HIV/AIDS eliminates needles and excessive toxicity

...he DNA, the leftover DNAalso forms a hairpin loop, temporarily doubling back on itself,postdoctoral fellows Liqin Zhou, Ph.D., and Rupak Mitra, Ph.D.,discovered in experiments in test tubes and with E. coli bacteria.Although this loop distances Hermes from its well-studied cousins, theHermes protein still has an...

Gene sequencing explains bioremediation 'bug'

...he DNA, the leftover DNAalso forms a hairpin loop, temporarily doubling back on itself,postdoctoral fellows Liqin Zhou, Ph.D., and Rupak Mitra, Ph.D.,discovered in experiments in test tubes and with E. coli bacteria.Although this loop distances Hermes from its well-studied cousins, theHermes protein still has an...

Birds brains reveal source of songs

...to begin their vocal explorations. The researchers temporarily inactivated the part of the AFP connecting to the .... That inactivation shut down all the variability, temporarily stranding the young finch with an immature version of the song. These results suggested that the AF...

Buying Time Through Hibernation on Demand

...upply to organs and tissues. "We are, in essence, temporarily converting mice from warm-blooded to cold-blooded ... which need oxygen to live. Roth hypothesizes that temporarily eliminating oxygen dependence in healthy cells could make them a less-vulnerable target for radiatio...

U-M team recovers ancient whale in Egyptian desert

...upply to organs and tissues. "We are, in essence, temporarily converting mice from warm-blooded to cold-blooded ... which need oxygen to live. Roth hypothesizes that temporarily eliminating oxygen dependence in healthy cells could make them a less-vulnerable target for radiatio...

After a time-shift, mixed signals from the circadian clock

...lock requires several days to adjust. This results temporarily in bimodal patterns of electrical activity that are generated by the clock within the SCN. Because electrical activity is the output of the circadian clock, the findings suggest that after a significant shift in light schedule, the rest of the brain ...

Doing a spin with DNA

...unds the double-stranded DNA like a clamp and then temporarily cuts through one of the two DNA strands. The accumulated torsional forces in the DNA are then spun out around the intact strand. After a number of turns the topoisomerase ones again firmly grabs the spinning DNA and 'glues' (ligates) the broken stand...

It's electric: Cows show promise as powerplants

...rganisms where much of the food that a cow eats is temporarily held and is continuously churned until it can be completely digested. This liquid mass is what scientists call rumen fluid. The researchers collected the fluid through a cannula, a surgically implanted tube that leads directly from the cow's hide in...

Stem cells bring fast direct improvement, without differentiation, in acute renal failure

...nd individual renoprotective capacity of cytokines temporarily released by MSC. * Two clinical efforts are planned. First will be a compassionate study in Europe next year in patients with complicated bone marrow transplants, a setting where such stem cells already are approved for use. If successful, a com...

Scientists get first glimpse at how plants, most animals repair UV-damaged DNA

...ectron into the DNA molecule at the UV damage site temporarily to perform repairs. They also report something that was unexpected: Water plays a key role in the process, by regulating how long the donated electron stays inside the damage site before returning to the photolyase molecule. Scientists believe that...

Out of sight, out of mind? Not necessarily

...rea of the brain that records what the eye sees is temporarily shut down, according to research at Rice Universit...hough the human primary visual cortex activity was temporarily shut down, it's clear that detailed visual information was still being processed unconsciously." Be...

On a wing and a prayer - Alaska researchers seek clues to bird flu

...d-banding season collecting cloacal swabs of birds temporarily captured as part of other studies. "One of the reasons we don't understand the ecology of the virus is that we don't know what happens to the virus in its natural ecosystem," Runstadler said. "We need to understand how the biology of birds impacts d...

Pulp mill devastates swans' sanctuary in Chile

...ature sanctuary in 2004, the CELCO plant was twice temporarily shut down earlier this year for environmental violations. Residents in Valdivia, 30 miles away, complained of noxious odors from the plant and the WWF mission found the facility's waste treatment, storage and disposal safeguards to be appalling. "Fil...

Team led by Carnegie Mellon University scientist finds first evidence of a living memory trace

...with sugar could develop a memory of that odor and temporarily store it as "working memory." They also found that honeybees lost their working memory of a re-enforced odor if they were cooled down and then revived, suggesting that the memory wasn't permanently stored. This latest study is the first to combine...

Greasing interferon's gears may pave way to greater therapeutic benefits, fewer side effects

...low physicians to turn up the effect of interferon temporarily to treat infections or other disorders and then to turn it back down to normal levels when the patient is cured. "The potential for this 'rheo-Stat' strategy is exciting," Holtzman says. "As an example, one could improve Stat1 efficiency during the...

Depression model leaves mice with molecular scar

...vating a compensatory mechanism, an antidepressant temporarily restored the animals' sociability and the protein's expression, but it failed to remove the silencers. A true cure for depression would likely have to target this persistent stress-induced scar, say the researchers, led by Eric Nestler, M.D., The Uni...

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