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Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says

...en investigators controlled data for other factors already linked with poor sleep quality in children, including a mothers level of post natal anxiety or depression, her smoking habit, or her social class. This problematic sleep is notable; it may be part of the reason why mood-disturbed pregnancies are...

Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily

...ral fusion, according to the researchers. One role already suspected is that FP-23 attaches to its T cell victim to facilitate a change in the shape of gp41, which in turn drives uptake of HIV RNA and proteins by the T cell. But the Carnegie Mellon work suggests that FP-23 plays another, equally important fu...

One species, many genomes

... environmental conditions," explains Weigel. He is already collaborating with the International Rice Research...nome of a plant can be read in just a few days, is already available. Still missing are the computational algorithms to interpret the anticipated flood of data...

Agent slows aging in mice

...e really burning question: Will the mice fed NDGA, already well past middle age, live past the normal outer limit of old age" The longest that mice of this type usually live is around 1,000 to 1,100 days. “If NDGA turns out to extend maximal lifespan by 20 or 30 percent, people would accept that as an im...

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

...orkings of a brain is that each brain uses what it already knows to “predict” or “believe” that something new will happen, then uses that information to help make it so. “We used the idea that prior experience and belief affect the probability of future outcomes, such as taking an alternate route to work ...

Hormone helps mice 'hibernate,' survive starvation

...iewer said. “Given that the PPAR-alpha receptor already is the target of drugs that work to boost high-density lipoproteins, or the ‘good’ cholesterol, and reduce the amount of fat in the blood, we believe this new pathway may lead to a new class of drugs that will impact many human conditions,” he said. ...

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

...of the drugs that could once destroy it. They have already described and expressed two other genes known to confer drug resistance. "Now that we have these genes expressed in a convenient yeast system, we can work to understand the molecular basis of anti-malarial drug resistance, providing insight into h...

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

... a puzzle come together, Dr. Song notes scientists already are developing methods to stimulate ovarian tissue to produce eggs outside the body, a process that could also make in vitro fertilization a lot more affordable. Others are looking for ways to ensure there are no cancer germ cells in salvaged tissue....

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

... actual surgery. This approach, Leach says, has already been used in 20 cases at Cincinnati’s University Hospital. “Combining tractography and functional MRI intraoperatively has been in use clinically for only a few years,” says Leach, associate professor of radiology at UC and a neuroradiologist wit...

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

...only appear to cause defects in the retina. "We already know of a dozen genes which, when mutated, cause LCA," says Professor Chris Inglehearn from the Leeds Institute of Molecular Medicine at St James's Hospital, Leeds. "This new gene is the thirteenth and adds a substantial new piece to a growing body o...

Researchers examine carbon capture and storage to combat global warming

...derground geological storage. With fossil fuels already comprising 85 percent of the world's energy consum...ack. Energy efficiency and renewable energy are already feasible today and also can define the long-term energy picture, he said. ''[Carbon dioxide] sequ...

Physicist cracks women's random but always lucky choice of X chromosome

...om selection based on thermodynamics. Research has already shown that at the key moment in this process both X chromosomes are brought close together within the cell. The Warwick researcher paper says that what happens next is that material for a "protein plug" then begins to gather around both of the XIST s...

Small, self-controlled planes combine plant pathology and engineering

... similar drama unfolds in the atmosphere, which we already know is teeming with microbial life.” Although Schmale is not currently conducting his research for the armed forces, his work has a definite biosecurity element. “Many plant pathogens are transported over long distances in the atmosphere, thre...

Penn researchers link cell's protein recycling systems

...ening, our attention was drawn to HDAC6 because we already knew that it could bind to ubiquitin-tagged proteins and transport them within the cell. So we wondered, could HDAC6 be the link"” Taylor’s group showed that if the HDAC6 gene is knocked out, inducing autophagy no longer rescues the fly eyes from...

Exploring the dark matter of the genome

...uence. And we looked for sequences similar to ones already known from protein databases." These standard approaches to finding genes, Smith says, are relatively easy to perform in euchromatin but harder in heterochromatin, "because it is so rich in repeats." Smith and his colleagues found evidence for 23...

Runners -- Let thirst be your guide

...re actually thirsty, you have lost enough fluid to already be dehydrated, so they say you need to drink in anticipation of becoming dehydrated. “We dispute that notion, and contend that thirst is a good indicator of your body’s need for fluids, and that there is a window of time over which you can rehydra...

Gene responsible for common hearing loss identified for first time

...am decided to study a gene called TGBF1 which they already knew had non-genetic indications of involvement in otosclerosis: it plays a role during embryonic development of the ear and is expressed in otosclerotic bone. They used SNP (single nucleotide polymorphism) analysis, or looking at DNA sequence varia...

Potato wart eyed as risk to potato production

...art pathogen to production areas, and, where it is already introduced, to limit its spread," he said. "While regulatory action is important in potato wart management, it is essential that research efforts continue with the goal of developing and improving reliable and integrated disease suppression metho...

Researchers demonstrate way to control tree height

...ntal and forest trees. However, usable methods are already available for sweet gum, elm, black locust and pin...nal cross-breeding or horticultural techniques are already widely used in fruit trees, the ornamental tree industry and agriculture. The advances for cereal...

Researchers discover 'acquired' DNA key to certain bacterial infection

...s that the bacterium’s resistance to antibiotics – already a problem – may be increasing. In contrast, the incidence of lung infection in patients with chronic lung diseases and cystic fibrosis is increasing. Understanding the mechanism by how M. avium penetrates the macrophage and infects humans may even...

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