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Tag: "quite" at biology news

Controversial drug shown to act on brain protein to cut alcohol use

...ncrease.The research also showed that Ibogaine was quite effective inpreventing relapse, or "falling off the wagon" -- the vulnerability ofrecovered alcoholics or addicts to return to uncontrolled drinking ordrug use when exposed to the drug of abuse months or even years afterbreaking the habit.In this ana...

Neuronal 'traffic jam' marks early Alzheimer's disease

...vealed clear defects, said Goldstein. "What we saw quite early in the life of those animals -- well before any plaque deposition -- were obvious axonal defects," said Goldstein. "We saw large swellings in their axons. And when we looked at those swellings using electron microscopy and biochemical markers, ...

“Nano-scissors?laser shows precise surgical capability

...sion surgery on microscaled worms ( C. Elegans )is quite a challenge; its about 1 mm in length. A research team fromthe University of Texas at Austin developed a method of laser-assistedsurgery to work on these little beasts, being able to section a singleaxon (the "arms" of a neuron) with great precision ...

Iron Deficiency Sparks Dramatic Changes In Gene Expression

...a human cell. In fact,the Cth2 protein in yeast is quite similar to a family of threeproteins in humans. When the human proteins are substituted in place ofCth2 in yeast, they actually assume its function in yeast cells, saidThiele."Yeast cells illuminate for us what to look for in human cells," saidThiele...

Jefferson Virologists Coax HIV Out of Hiding

... HAART manages to keep the virus at bay,it’s still quite capable ?given the right opportunity ?of replicatingand wreaking havoc on the body’s immune system.Now, virologists at Jefferson Medical College, led by Roger J.Pomerantz, M.D., professor of medicine, biochemistry and molecularpharmacology and direct...

Female sex hormones play a vital role in defense against sexually transmitted diseases

... the studies, says the implication of this work is quite significant. "The research clearly shows, and reaffirms previous research, that in female mice, sex hormones have a profound effect on susceptibility to sexually transmitted infections as well as on the body's defense mechanisms against them." One o...

Automatic extraction of gene/protein biological functions from biomedical text

...ince automatic functional annotations of genes are quite useful for interpreting large amounts of high-throughput data efficiently, the demand for automatic extraction of information related to gene functions from text has been increasing. Results: We have developed a method for automatically extracting t...

Weill Cornell Research Reveals Secrets Of Trafficking Within Cells

...ned that endocytosis is a machine that really runs quite fast, and in this latest study we were trying to f...ge clathrin's role in all of this?'Ó "It's really quite exciting," Dr. Ryan said. "This new methodology, coupled with our better understanding of clathrin, ...

Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra

...year, so their capacity for population increase is quite low. The foxes are mostly off the islands now, but we will probably continue to see the effects for a long time," Estes said. In addition to Croll and Estes, the authors of the Science paper include UCSC graduate student Eric Danner, University of M...

Jumping gene helps explain immune system's abilities

...enes' proteins, even though theoverall sequence is quite different."Because of its similarities both to V(D)J recombination and to otherfamilies of jumping genes, Hermes is the first real link between thetwo processes," says Craig. "It also is likely to be a good model tofigure out what's happening early o...

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

...enes' proteins, even though theoverall sequence is quite different."Because of its similarities both to V(D)J recombination and to otherfamilies of jumping genes, Hermes is the first real link between thetwo processes," says Craig. "It also is likely to be a good model tofigure out what's happening early o...

New therapy for HIV/AIDS eliminates needles and excessive toxicity

...enes' proteins, even though theoverall sequence is quite different."Because of its similarities both to V(D)J recombination and to otherfamilies of jumping genes, Hermes is the first real link between thetwo processes," says Craig. "It also is likely to be a good model tofigure out what's happening early o...

Gene sequencing explains bioremediation 'bug'

...enes' proteins, even though theoverall sequence is quite different."Because of its similarities both to V(D)J recombination and to otherfamilies of jumping genes, Hermes is the first real link between thetwo processes," says Craig. "It also is likely to be a good model tofigure out what's happening early o...

New studies suggest airborne SARS transmission is possible

...e outbreak, and hence we feel that the evidence is quite strong." An editorial accompanying the Toronto study, by Tommy Tong, MBBS, of Princess Margaret Hospital in Hong Kong, emphasized the scientific significance of discovering SARS coronavirus in the air in a patient's room. "Although the possibility o...

Ice core 'dipstick' indicates West Antarctic ice has thinned less than believed

...e shown that, in the ice age, glacial ice built to quite high elevations in the mountains just inland from the Ross Ice Shelf. That led to the expectation that Siple Dome had to be substantially thicker than it is now as the ice moved from the mountains to the ice shelf. But the new study shows the ice cou...

New insight into people who 'see' colors in letters and numbers

... found evidence suggesting that synesthetes may be quite different from one another, which the researchers said "has profound implications for the studies of synesthesia that group together data from multiple synesthetes and treat them as if they all come from a homogeneous population. "The use of single ...

In the migratory marathon, parasitized monarchs drop out early

...ered why it is so. Explanation : infected monarchs quite don't make it while migrating long distances, so they can't propagate the infection once arrived at destination. A little-studied outcome of animal migration is whether these long journeys can limit the spread of parasites by weeding out diseased a...

Yale researchers identify molecule for detecting parasitic infection in humans

...ial or viral microorganisms that produce molecules quite different from those produced by humans and other eukaryotic organisms. When microorganisms infect humans, the atypical molecules are usually detected immediately by human proteins called Toll-like receptors (TLR) that alert the human immune system t...

Advances in the characterisation of the oyster mushroom genes

...the five genes are located on the same chromosome, quite near each other, and the other is located on a different chromosome. It is precisely this fifth gene that is structurally distinct from the others: it lacks a fragment at its end. It should be pointed out that the genes that are together and the lon...

No relief for Pacific Northwest drought

...tors. "Last year was a pretty severe drought over quite a bit of the nation, but for various reasons our model didn't really suggest a bad fire year for 2004, and in fact it was a pretty mild year," Lenihan said. "That was fortunate, because there's some evidence that the low-risk fire years are more dif...

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