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Tag: "definitive" at biology news

Old memory traces in brain may trigger chronic pain

...ng after their injuries have actually healed" The definitive answer -- and an effective treatment -- has long eluded scientists. Traditional analgesic drugs, such as aspirin and morphine derivatives, haven’t worked very well. A Northwestern University researcher has found a key source of chronic pain appea...

In nature, proteins sweep up nanoparticles

...ticles intermingled with proteins promises to be a definitive biosignature. ...

Gene therapy study shows safety and statistically significant improvement in Parkinson's disease

...ising observations certainly warrant further, more definitive testing of Neurologix’s technology, and we anticipate beginning a larger Phase 2 study in Parkinson’s disease later this year. Moreover, the results also provide a solid foundation for the development of our other therapeutic programs, including epil...

Moths mimic sounds to survive

.... This study takes the next step and provides the definitive experimental evidence for how mimicking sounds helps an animal survive....

Rapid oral HIV test shows great promise according to MUHC-led research

...e Centre for Disease Control (CDC) called for more definitive studies leading to this study in rural India. "Based on our findings, the oral test is the preferred choice for HIV field testing by rural Indians," says Dr. Pai, a physician epidemiologist supported by the Canadian HIV Trials Network. "The other ...

Researchers find gene mutation that causes infertility in male mice

...efect in function, but until now there has been no definitive proof." Mouse models, he said, will be critical in distinguishing between those DNA sequence changes that are benign in humans versus those that disrupt sperm or egg production. The researchers are engaged in a project to identify ultimately all th...

Paleontologists discover new mammal from Mesozoic Era

...he middle ear of modern mammals. "Now we have a definitive piece of evidence, in a beautifully preserved fossil split on two rock slabs," said Luo. "Yanoconodon clearly shows an intermediate condition in the evolutionary process of how modern mammals acquired their middle ear structure." Yanoconodon is ab...

Selective marker found to indicate aggressive form of breast cancer

... types of therapy, which highlights the need for a definitive diagnostic marker." The basal epithelial breast cancer subtype represents 17 to 37 percent of all breast cancers and is more common in premenopausal African American women than in other demographic groups. Among breast cancers, this subtype is kn...

No-scalpel vasectomies by skilled surgeons may speed recovery

...opular among physicians and patients, there are no definitive statistics to confirm the superiority of this choice, and a new review's main conclusion is to underline the importance of training. Yet training is not always available or sought, said lead reviewer Dr. Lynley Cook, a public health physician and cl...

Antivirals effectively curb influenza virus

..., although further studies are needed to provide a definitive conclusion. "Preventing the spread of influenza within families is an essential part of influenza management, regardless of the strain. This study shows that there is a clear benefit to be gained by giving antivirals to people who have been exposed ...

Researchers discover new details about HIV-1 entry and infection

...vaginal epithelium. "Our findings provide exciting definitive insights into the initial events of HIV-1 infection in the human vagina, which can guide the design of effective strategies to block local transmission and prevent HIV-1 spread," concludes Dr. McElrath....

NIH announces phase III clinical trial of creatine for Parkinson's disease

...ilot studies in a select group of patients, to the definitive phase III trial of effectiveness in people with Parkinson’s disease. "This study is an example of the Institute's commitment to Parkinson's research," says NINDS director Story C. Landis, Ph.D. "We are trying to explore every possible option for ...

Organic is healthier: Kiwis prove that green is good

In one of the most comprehensive and definitive studies of its kind to date, a team of researchers at the University of California, Davis have proven that organically grown kiwifruit contain more health-promoting factors than those grown under conventional conditions. The research is reported in t...

Satellites shed light on global warming

...r this year, it will soon be possible to provide a definitive statement of the rate at which global temperatures have been changing and how the variability of our climate has been changing," Llewellyn-Jones said. "The ATSR instrument produces data of unrivalled accuracy on account of its unique dual view of...

Sequencing of the oyster mushroom genome

...computer archive of the sequencing, containing the definitive "pages of letters" for the genetic code, will be then distributed to the other participating laboratories in order to carry out the annotation of the genome sequence ?involving the identification of each one of the genes that make up the oyster mushr...

On the golf tee or pitcher's mound, brain dooms motion to inconsistency

...ent variability, the research doesn't point to any definitive means for combating it. In their paper, the engineers offer no advice for baseball trainers to help pitchers throw more strikes. A potential application of the research, Shenoy says, could come in future efforts to achieve new kinds of computing by b...

Crohn's disease gene identified

...y sizes made possible by the consortium offer more definitive conclusions. "This important discovery not only offers new hope for better therapies for patients with Crohn's disease, it also highlights the promise of the human genome project and subsequent investments by the NIH in large scale, collaborative ...

Tests may help answer questions about GMOs and allergies

... possibilities, there has been no test that offers definitive answers. But all of that could change as a Michigan State University researcher has developed the first animal model to test whether genetically engineered foods could cause human allergic reactions. Venu Gangur, MSU assistant professor of food scie...

Fire ants: Their true story told by the scientist who loves them

...tly titled "The Fire Ants" ?that peers have called definitive and lay readers are likely to find both engaging and instructive. In fact, an April 25 review in the New York Times declared, "This is what the public needs to know about science, not just the results presented in the driest form possible." Through...

Gene discovery may shed light on kidney disease

...with NOTCH2 mutations, said Dr. Spinner, it is not definitive in establishing that those mutations cause a distinct variety of Alagille syndrome. However, it is the first study to report that mutations in the NOTCH2 gene cause human disease. Dr. Spinner is planning further studies to better characterize the rol...

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