Tag: "shift" at biology news

National Academies news: Report on EPA's particulate matter research

...to protect public health. The emphasis now should shift from studying whether particulate matter causes adverse health effects to studying the dose at which those effects are likely to occur. We also need to know which aspects of particulate matter are most hazardous, and to learn how people are exposed ...

Study reveals important new factor in cystic fibrosis lung inflammation

... cells, such as lymphocytes and macrophages. The shift to chronic inflammation generally is a good thing, because chronic inflammation is less damaging to tissue. In patients with CF, however, the acute inflammatory response never changes to a chronic response. Lipoxins have been shown to play an impor...

Evolution's twist

...nd moderation, according to the researchers. "This shift to a diet rich in meat and fat occurred at a time when the population was dominated by hunters and gatherers," said Finch, a USC University Professor and holder of the ARCO-William F. Kieschnick Chair in the Neurobiology of Aging. "The level of phys...

Rimonbant shows promise in addressing multiple risk factors

...L particles (p<0.001 vs. placebo). A positive shift from smaller to larger LDL particles is predictive of reduced cardiovascular risk. All improvements in metabolic risk factors were statistically significant vs. the control group. In fact, the number of patients diagnosed as having metabolic syndro...

Common virus may contribute to uncommon bone disease in children

...s, "but rethinking the cause of LCH may ultimately shift treatment away from chemotherapy toward antiviral treatments or approaches that modify the immune system." Much further research is necessary, he added, but in addition to guiding treatment, future research may lead to a simple blood test to diagnose...

Founder of UCSD bioengineering program honored with lifetime achievement award

... very rapidly." In 1957, Fung's interests began to shift after his mother -- still in China -- was diagnosed with glaucoma. Fung began studying physiology, and translated the latest Western medical texts into Chinese for his mother's doctor. Says Fung: "It got me involved in literature in medicine and lite...

Desert science center aims to bridge rift between Jordan and Israel

...ind of effort is necessary if you want to a make a shift in the Middle East paradigm,'' Kochavi said. ''The new center can serve science and peace simultaneously,'' Feldman noted. ''The development of a critical mass of professionals and researchers in science is also essential for more equitable economic ...

Cell cycle research earns biologist Virginia's top scientist award

... approach to cell biology promises to lead a major shift in scientific understanding of the molecular basis of life." "These scientists and industrialists represent Virginia's finest contributions this year to making life better for us all," Gov. Warner said in a statement ( http://www.governor.virginia.go...

Drug addiction, learning share common brain protein

...s remained unaffected. In normal mice, the protein shift occurred after three injections of cocaine and lasted for more than two months. The researchers also measured the activity of nerve cells in brain slices from the different groups of mice. Neurons in the brains of super-sensitive mice exhibited a gr...

ASM Biodefense Research Meeting

...m biological attacks. This need has caused a major shift in priorities, in both the government and private research sectors, from a focus on day-to-day health issues to a greater emphasis on research areas dealing with homeland security. This new biological research agenda however, does not require scienti...

Bighorn sheep threatened by climate change

...buted over the landscape. "Other large mammals may shift north more gradually as a result of global warming, but that trend is harder to detect in the short term," he said. The authors also looked at predictions of how climate may change in the next 60 years. For scenarios that predict a minimum temperatur...

Social life-history response to individual immune challenge of workers of Bombus terrestris

...ultative change to an earlier reproduction. Such a shift of the reproductive effort gives the host a chance to compensate for the cost on future reproduction resulting from the infection. In the case of social insects, where brood care and reproductive effort are shared between the queen and her workers, a...

AGI publishes 42nd edition of Directory of Geoscience Departments

...n occurs several months before going to press, the shift in the publication cycle to a calendar year will make it possible for geoscience departments and new faculty members to submit updated information at the start of the new academic year. This will improve the currency of the listings in the Directory...

Keeping populations of cerulean warbler healthy

... of specific populations. We are seeing a dramatic shift in range. Land use change is certainly one cause, but climate change--either short- or long-term--may also be a factor." Surprisingly little is known about the behavior and population ecology of the cerulean warbler, mostly due to the difficulty of...

Understanding urinary tract infections

...ciences, also reveals that bacteria will sometimes shift into an inactive state, creating reservoirs of inf... also reveal that groups of E. coli will sometimes shift into an inactive or quiescent state. "We don't actually know when this happens, but at some point, t...

RNA lariat may tie up loose ends to decades-old mystery of retrovirus life cycle

...ly in this process, the partially built DNA has to shift from one end of the RNA strand to the other end. Subsequent research confirmed that this so-called "template shift" does in fact occur, but the precise mechanism has never been identified. "The structure of the lariat was very provocative," Menees ...

Changes in shape of single protein plays key role in the spread of cancer cells

...her tasks as well," Izard said.For example, such a shift lets many cells move from their original location to take up positions elsewhere in the developing body where new tissues and organs are destined to arise. "In other words, vinculin is a critical protein that performs different roles in the body," Bo...

'Mad cow' mechanism may be integral to storing memory

...are perfect for this, says Lindquist. Prions could shift into this state quickly without the energy-intensive cellular mechanics that fuel most protein synthesis. The prion state is very stable and can maintain itself for months, even years. But, "We still need to demonstrate that this prion mechanism ...

Telescience recognized for facilitating biomedical research on a global network

...rastructure." Telescience has created a paradigm shift in the way microscopy is performed. Scientists who once had to travel to gather data are now able to access to a growing number of tools over the Internet to help in the study of schizophrenia and Alzheimer's disease. Telescience is creating a visi...

HPV testing could be future strategy for primary screening for cervical cancer

.... It will mean that cervical cancer screening will shift from a morphology-based approach to one in which the search for a sexually transmitted virus becomes the focus of disease detection. Clients and providers will have to learn to live with the new paradigm, one which places the emphasis of prevention n...

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