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Tag: "become" at biology news

NASA snow data helps maintain nation's largest, oldest bison herd

... to release wild bison and expect winter ranges to become accessible for the bison during the critical late winter period." "The National Park Service is not a traditional user of NASA information," said Watson. "But this is a great opportunity to use NASA technology to help the folks at Yellowstone. Thi...

Interaction between lymph and liver cells may affect immune response

... T cells normally activated in the lymph system to become activated by liver cells. Normally, endothelial cells that line blood vessels form a physical barrier that prevents naïve (unactivated) T cells from accessing surrounding tissue; these cells must typically be activated by specialized cells known as p...

OHSU researchers demonstrate how white blood cells cannibalize virus-infected cells

... cannibalize the fluorescently labeled cells, they become labeled with the fluorescent dye themselves," explained Mark Slifka, Ph.D., a researcher in the VGTI who led the research. Slifka is also a scientist in the Division of Pathobiology and Immunology at the Oregon National Primate Research Center and ho...

Molecular atlas provides new tool for understanding estrogen-fueled breast cancer

...the potency of cancer drugs to which patients have become resistant, added Brown, who is also a professor of medicine at Harvard Medical School. ...

Stem cells engage in dialogue with the cells that regulate their futures

...there are separate niches for stem cells that will become blood, for cells that will become skin, and so on. Niches are places where your stem cells can replenish themselves and your tissue ce...

Science researchers genetically transform immune cells into tumor fighters

... has genetically engineered normal immune cells to become specialized tumor fighters, demonstrating for the first time that these engineered cells can persist in the body and shrink large tumors in humans. Two of the 17 people with advanced melanoma who received the experimental treatment saw their tumor...

German researchers develop first non-invasive test to measure skin aging

...ntal stage, the authors hope that someday it could become useful in studying skin diseases that affect the c...iveness of anti-aging cosmetic products could also become easier. "Some cosmetics are thought to change the content of collagen in the skin," Dr. Koehler said...

Math model predicts cancer behavior

...t computing power and running time for simulations become limiting. The current model simulates about four months of tumor growth in about eight hours, he said. "The beauty of our model is that it really represents the cancer cells very well," Quaranta said. "Sandy (Anderson) was able to capture the rando...

New approach to BSE successful in lab

...ny PrP-C appear to be completely healthy. This has become the starting point for a new therapeutic approach which for some years now has been current in research circles: can we not simply switch off the production of ‘healthy?PrP-C in infected animals, thereby depriving the ‘diseased?PrP-Scr of its ability...

Underweight women at greater risk of miscarriage

Women who have a low body mass index before they become pregnant are 72% more likely to suffer a miscarriage in the first three months of pregnancy, but can reduce their risk significantly by taking supplements and eating fresh fruit and vegetables, according to study findings published online today. The...

New way of tracking muscle damage from radiation

Magnetic resonance imaging (MRI) could become a valuable tool for predicting the risk of muscle ...gs are significant because as radiation treatments become more advanced and complex, clinicians must have a way to predict the outcomes--including side effect...

New findings could lead to vaccine for severe malaria

...s. Adults who have been infected several times can become partly immune as their defence system gradually starts to recognise the parasite's proteins. When the placenta is formed, however, a new environment is introduced with a different set of receptors. This means that a new growth niche is made available...

Vanishing beetle horns have surprise function

... or reabsorption of horn tissue before the beetles become adults. "I think these findings illustrate quite clearly the importance of development to evolutionary biology," Moczek said. "By including studies of your organism's development, at the very least you stand to gain fundamental insights into its ...

NHGRI aims to make DNA sequencing faster, more cost effective

...the DNA sequence. This method has the potential to become an inexpensive, ultrafast DNA sequencing technique. Most nanopore sequencing approaches involve either the protein pore alpha-hemolysin or artificial pores in inorganic materials. This team will use protein-engineering to tailor an alternative protei...

Older fathers more likely to have autistic children

...wn collectively as autism spectrum disorders, have become increasingly common, affecting 50 in every 10,000 children as compared with five in 10,000 two decades ago. This increase is partially due to higher levels of awareness and changes in diagnosis processes, but could also reflect an increase in incide...

'Protecting virus' offers instant flu protection and converts flu infections into their own vaccines

...by conventional flu vaccination takes 2-3 weeks to become fully effective. Experiments so far show that a s...vantage is that influenza virus does not appear to become resistant to 'protecting virus', although drug-resistance is a serious problem with many microbes. ...

Anticipation plays a powerful role in human memory, brain study finds

... of the brain - the amygdala and the hippocampus - become activated when a person is anticipating a difficult situation. Scientists think the amygdala is associated with the formation of emotional memories, while the hippocampus helps the brain form long-term recollections, Nitschke says. The researchers ...

Cities change the songs of birds

...zed areas are highly similar: The same few species become common everywhere, while the area’s original species variety is lost. The new study, which focuses on an urban “survivor,?provides some insight into the mechanism behind the homogenizing impact of the urban environment. The capacity of great tits to ...

Transplanted photoreceptor precursor cells restore visual function in mice with retinal degeneration

...troduce changes in stem cells in order for them to become highly specialized neurons. Although the exp... that if we could understand how cells develop and become photoreceptors--or any other specific neuron--our transplantation efforts would meet with greater su...

Scientists show drug can counteract muscular dystrophy in mice

...ther agents to block follistatin, the cells didn't become bigger, showing that one of the most important pathways the inhibitors use to create bigger muscles involves the activation of follistatin. "If you didn't have follistatin anymore, these drugs didn't work," he says. Moreover, Drs. Sartorelli's and P...

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