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Tag: "what" at biology news

St. Jude study solves mystery of mammalian ears

...scovery helps explain the mechanics of hearing and what might be going wrong in some forms of deafness,” said Jian Zuo, Ph.D., the paper’s senior author and associate member of the St. Jude Department of Developmental Neurobiology. “There are a variety of causes for hearing loss, including side effects of...

Genomic Analysis Uncovers New Targets for HIV Vaccine

... AIDS. These findings represent only the first of what investigators said will be a series of future geno...sults of this analysis represent just the first of what should be many advances. The technology used and collaborative efforts involved were truly remarkabl...

Art and music for the birds

...is a valued source of inspiration for artists. But what have artists offered the natural world" Would a bi...bition featuring four 10-foot red perches offering what are considered to be the best in classical, rock, country, and jazz for local birds. Demaray’s con...

Common cancer gene sends death order to tiny killer

... Hopkins have discovered one way the p53 gene does what it's known for—stopping the colon cancer cells. Their report will be published in the June 8 issue of Molecular Cell. The research team identified a tiny bit of genetic code, a microRNA called miR-34a that participates in p53's uncanny ability to k...

Brain inflammation may be friend, not foe, for Alzheimer's patients

... can boost IL-1beta in select areas and then watch what happens as the process unfolds. The team expected to see the telltale clumps of material known as amyloid plaques, made up of the peptide amyloid beta, worsen. Instead, to the team’s surprise, the brains of the mice with IL-1beta stuck in overdriv...

Math that powers spam filters used to understand how brain learns to move our muscles

...e movements to explain how the brain draws on both what it recently learned and what it’s known for some time to anticipate what it needs to develop new motor skills. The engineers, fr...

Old memory traces in brain may trigger chronic pain

.... “What’s exciting is that we now may be relieving what has clinically been the most difficult to treat—the suffering or the emotional component of pain.” Scientists have always tried to understand pain from the viewpoint of sensation, Apkarian said. “To control it, they tried to stop the sensory inp...

Modeling the restless brain

...erious fluctuations occur and offers insights into what the brain does while idle. "Some people see the...19104 , includes a link to a movie that visualizes what spontaneous fluctuations in the monkey's brain would look like. Coauthors of the article are Rolf Kö...

Simulations unravel outer membrane transport mechanism

... not a simple task. The cells must be selective in what substances they take up, and the outer membrane co...rrel and labels the inside: You don’t know whether what you have labeled is happening inside or outside.” U. of I. researchers simulated the interaction o...

A new plant-bacterial symbiotic mechanism promising for crop applications

...ot hairs. The finding raises the question as to what signalling pathway Bradyrhizodium might use to gain entry to the plant and set off nodulation. The first observation was that the bacteria did not penetrate the roots of its host-plant by the hairs. It took advantage of “crack zones” comparable w...

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

...rug resistance is important, but much smaller than what many researchers thought it would be," said Roepe....e came from Africa, or Asia, or South America, and what drugs it is most likely to be resistant to," he said. The goal now is to understand molecularly h...

New bacterium discovered -- related to cause of trench fever

...been described in the early 1900s, but no one knew what bacterium caused cat scratch disease until the infection was seen in the AIDS patients. This identification was published in “The New England Journal of Medicine” in 1997. Koehler’s research group found that all pet cats of AIDS patients infected...

Study shows big power of small RNAs, not just proteins, in halting cancer

...but we’ve revealed something very surprising about what makes this pathway so powerful,” said Hannon. CSHL research published by Nature earlier this year, concluded that even in the latest stages of cancer, reactivation of a previously damaged p53 pathway caused cancer tumors to stop growing and even elim...

Studies to find better ways to preserve human eggs, ovarian tissue under way

... crystals break up your inside organelles. That is what hurts eggs, which are very delicate,” he says. “When you trigger ovulation with a hormone or naturally, you get the last separation of the chromosomes, from 46 to 23,” says Dr. Emmi. That separation enables a future baby to get half his chromosom...

In mice, drug protects against diabetes and atherosclerosis

...cade of intense efforts to achieve with a chemical what has been observed in mice and humans carrying the gene variant. The lipid chaperone protein aP2 acts as a signal in cells, setting off a chain of inflammatory and metabolic responses to consumption of fatty foods. Some of those effects make the bo...

Newly found sensing system enables certain bacteria to resist human immune defenses

...bacteria,” Dr. Otto says. “Our group is excited by what we have demonstrated—an efficient and unique way that gram-positive bacteria control resistance—and we are continuing our investigation of the aps sensing system being used for drug development.” ...

Dual-imaging technique useful before -- and during -- brain surgery

... functional MRI data also help patients understand what is happening in their head and how the surgery wil...eviate the patient’s apprehension and help explain what will happen during surgery.” Although researchers expect this dual-imaging technique to become st...

Breakthrough developments in rheumatoid arthritis reported

... blocks of life – the human genome – to figure out what makes these people susceptible to the disabling in...others are not. “This will help us in figuring out what exactly is going on in this illness,” he said. “It’s pretty exciting.” Early on in the rheumato...

'Lucky 13' as new gene discovery offers further hope for childhood blindness

...enth' as we are building a much clearer picture of what causes the disorder." Professor Inglehearn beli...new result tells us something very important about what the eye is doing normally and about a new and common way in which it can go wrong. Given some exciti...

Researchers examine carbon capture and storage to combat global warming

...re studying reservoir geology to better understand what happens after injecting carbon dioxide underground...e"'' she expounded. ''You might say yes or no, but what makes driving something we're willing to do" You get automakers to build good cars, we have driver t...

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