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Tag: "driven" at biology news

Finding Cures For Tropical Diseases: Is Open Source An Answer?

...ness and dengue fever. While patent incentiveshave driven commercial pharmaceutical companies to make Western healthcare the envy of the world, the commercial model only works ifcompanies can sell enough patented products to cover their R&Dcosts and produce profits for shareholders. The model thus fails...

New Breast Cancer Test Could Save Lives

...project. Commercialisation of the project has been driven by SETsquared, the high-tech support programme for very early stage ventures. SETsquared is part of the enterprise partnership between the universities of Bath, Bristol, Southampton and Surrey. Based alongside the University’s incubation centre at U...

US life expectancy about to decline, researchers say

...obesity. "These adverse changes in diet have been driven by a multi-billion dollar marketing campaign by the food industry aimed at young children," said Ludwig. "Cutbacks in funding for regular, mandatory PE classes and limited insurance reimbursement for obesity prevention and treatment are also contribu...

Potential treatments for neurofibromatosis

...ff and tumors develop. "It's like an engine being driven at full speed," said Dr. Clapp. To encourage development of the blood vessels they need, the tumors emit chemical signals that cause the mast cells to congregate in tissues surrounding the tumors. The mast cells create chemicals called growth factor...

Biodiversity hotspots identify conservation priorities

...heast Asia's Sundaland, whose forest loss has been driven largely by extensive commercial logging and agricultural projects. On the other hand, relatively little forest has been lost in the Atlantic Forest, and Madagascar looks set to hold steady following President Marc Ravalomanana's recent pledge to trip...

Low level of extinction during ice age linked to adaptability

...ypothesis is that large fluctuations of sea level, driven by the melting and reforming of glaciers, disrupted marine communities, and the ones which survived were those able to adjust. ...

Defenseless plants arm themselves with metals

...vironment out of their tissues. So what would have driven some plants to do just the opposite? "The existing explanation is that metal accumulation evolved to protect these plants from pathogens," Salt said. "Yet most other plants don't accumulate metals, and they resist infection just fine. It never reall...

Brain May Be Less Plastic Than Hoped

...eys, this is not the case. “We asked: Can visually driven activity in the region of the primary visual cortex that corresponds to the retinal injury recover to pre-lesional levels in the months following the lesion??said Smirnakis. “The answer is, in that time interval the primary visual cortex did not achi...

Unchecked DNA replication drives earliest steps toward cancer

...ed on the journal's cover. "Cancer progression is driven by these mutations," explains Thanos D. Halazonetis, D.D.S., Ph.D., professor in the molecular and cellular oncogenesis program at Wistar and senior author on the Nature study. "Once you have the initiating event, you will have constant DNA breaks. T...

Innovative collaboration brings Arctic science into the classroom

...les at 2-week intervals, often taking a snowmobile driven by her father out to holes in the ice and occasionally in temperatures as low as ?5 degrees Celsius (-67 degrees Fahrenheit). Anya's samples are already proving to be highly valuable, as her high frequency samples have captured temporal variability t...

To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists

...nization (WHO), large-scale epidemics of dysentery driven by this pathogen have been known to cause tens of thousands of deaths in Central America, South Asia, and central and southern Africa. Treating multiple drug-resistant bacterial infections can be a hundred times more expensive than treating normal i...

Prescription Drug Patches Gaining Ground, Tackling New Therapies

...h in demand for prescription drug patches is being driven by several factors ?factors with strong demographic and population trend underpinnings. Technology has also played a major role in prescription patch growth. Advances in synthetic materials and patch design have led to patches that are more esthetica...

At the molecular level, the predator is the prey

...es that go on between predator and prey are really driven at the molecular level. We have no evidence, nor reason to believe, that TTX is changing too, but rather that the toxin responds in quantity. Pour on more toxin, change the snake's sodium channel. Add more toxin, force further changes in the channel....

High-powered gene profiles provide clues to genes involved in common form of lung cancer

... arise from an error in the same cell type and are driven to malignancy by similar genetic routes, the study authors say. Finally, the researchers compared their data for NSCLC with similar data for pancreatic cancer, and found that both diseases have some chromosomal irregularities in common, suggesting t...

Program finds lost genes in nematode genome

...reluctant to go towards an automated, hypothesis - driven approach because of a lingering sense that anything that's been looked at by a human will be more accurate than something produced by a machine. "But look at the world of chess. Fundamentally, humans are better than machines at chess, but if you get...

Scientists find microRNAs regulate plant development

...ine tuned by different mechanisms, one of which is driven by microRNA molecules. MicroRNAs are ~22 nucleotide long RNA molecules that provide substrate specificity to a protein complex known as the RNA-induced silencing complex. Within the complex, microRNAs are thought to bind to mRNA molecules containing ...

Could better mangrove habitats have spared lives in the 2004 tsunami?

...hat function. Economic and political interference, driven by short-term benefit, has been responsible for the destruction of thousands of hectares of mangrove forest (e.g., in East Africa, on the Indian subcontinent, and in Banda Aceh, Indonesia), resulting in the loss of the natural, protective "dyke" func...

Stem Cells to Solve the Blood Shortage Problem?

...hat function. Economic and political interference, driven by short-term benefit, has been responsible for the destruction of thousands of hectares of mangrove forest (e.g., in East Africa, on the Indian subcontinent, and in Banda Aceh, Indonesia), resulting in the loss of the natural, protective "dyke" func...

Scientists track stealth DNA elements in primate evolution

...the majority of Alu retrotransposition activity is driven by a small number of hyperactive "master" sequences. In this model, mutations occurring in the "master" copies have rendered themselves capable of substantial propagation and persistence over time. However, prior evidence from the Ya5 subfamily indic...

Microreactor efficiently regenerates cofactors for biocatalysis

...and a normally unfavorable reaction equilibrium is driven into the desired direction of cofactor regeneration. "In large batch reactors, a spontaneous reverse reaction prevents the regeneration of essential cofactors," Kenis said. "The absence of a bulk phase in our microreactor prevents the unwanted rever...

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