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'Smart' mice teach scientists about learning process, brain disorders

... learn that a once-threatening situation no longer poses a danger is a major goal. In addition, Cdk5 is heavily implicated in Alzheimer’s disease and addiction to drugs of abuse, so understanding how the enzyme affects the brain and behavior might aid in the development of new treatments for these and o...

Machine preservation may promote more organ sharing

...p or cold storage. "The critical organ shortage poses a challenge to optimize the use and function of all organs from deceased donors," said Stratta, explaining why it is important to compare the two methods of preservation. With machine preservation, donated organs are connected to a portable pump t...

Study warns deep-sea mining may pose serious threat to fragile marine ecosystems

...es?economic zones or in international waters. This poses additional problems, because while a state has the right to exploit its own resources, international environmental law decrees that it cannot damage the environment beyond its boundaries. While studies of proposed undersea manganese mining in the ...

Cornell lab confirms deadly fish virus spreading to new species

...in fish, has now been identified in 19 species and poses a potential threat to New York’s $1.2 billion spor... related to the European or Japanese genotypes and poses no health threat to humans, said Bowser. However, as a general rule, people should avoid eating any ...

Veterinary scientists explore poultry virus as cancer killer

...biah, the use of poultry viruses as cancer therapy poses no threat to humans and several other oncolytic viruses are currently being explored to treat cancer. However, Subbiah’s work is the first to alter Newcastle disease virus through a reverse genetic system to target prostate cancer specifically. R...

Soft-cell approach cuts animal tests

...o human health but this new category of pollutants poses possible dangers, both medically and environmental...ic chemicals in humans by using animal data always poses uncertainty due to differences between animals and humans. In a series of published experiments,...

Anti-wrinkle compound causes pathological reaction in skin cells

...in serious research to determine whether or not it poses a health risk." DMAE is not a unique case in the world of beauty products, continues the researcher. "Several compounds found in cosmetics are just as complex as medication—they are absorbed through the skin, flow through the bloodstream, are expe...

New biofuels process promises to meet all US transportation needs

..., natural gas and coal deposits. But the procedure poses several potential pitfalls. "Clearly, massive quantities of carbon dioxide would be sequestered during a century-long production of liquid fuels from coal," Agrawal aid. "This would place extreme demands on the carbon dioxide capture, storage and ...

RNA enzyme structure offers a glimpse into the origins of life

...A (nucleic acids). The circularity of this process poses a challenge for theories about the origins of life. "Which came first, nucleic acids or proteins? This question once seemed an intractable paradox, but with the discovery of ribozymes, it is now possible to imagine a prebiotic 'RNA World' in which...

Ethanol vehicles pose a significant risk to human health, study finds

...'But our results show that a high blend of ethanol poses an equal or greater risk to public health than gasoline, which already causes significant health damage.'' Gasoline vs. ethanol For the study, Jacobson used a sophisticated computer model to simulate air quality in the year 2020, when ethanol...

Researchers discover surprising drug that blocks malaria

... year, mostly African children under five. It also poses a risk to travelers. An estimated 500 million cases of malaria were expected in 2006. Commonly used drugs against malaria attack the parasite, but it rapidly changes its molecular structure to become resistant to those drugs. It would be difficult...

Twenty of world's 162 grouper species threatened with extinction

...nal trade to meet an insatiable demand for grouper poses a particularly major threat. The workshop outco...shing of grouper for the chilled fish markets also poses a significant threat. The Nassau grouper, once one of the most commonly landed groupers in the islan...

Living with water scarcity -- world must act now

...n diet. In developed countries water scarcity poses no threat to what appears on the dinner plate. In contrast, the relation between water and food is a real struggle for over two thirds of world’s 850 million under-nourished people, where water is a key constraint to food security. There is alrea...

UCLA: How does your brain respond when you think about gambling or taking risks?

...e a surgery that is likely to extend your life but poses some risk that you will not survive the operation? Should you invest in a risky startup company whose stock may soar even though you could lose your entire investment? In the Jan. 26 issue of the journal Science, UCLA psychologists present the first ...

'GreeneChip' -- New diagnostic tool that rapidly and accurately identifies multiple pathogens

...a. Differential diagnosis of hemorrhagic fevers poses challenges for clinical medicine and public health. Syndromes associated with agents are not distinctive, particularly early in the course of disease. In some instances, including the case presented above, more than one agent may be endemic in the ...

Embryonic patterning makes the feathers fly

...omly arranged. While the chicken feather movie poses no threat to Hollywood, the researchers say that watching the formative process of stripes versus dots play out was fascinating. From those feathery patterns, a team of theoretical biologists was able to develop a mathematical model that simulated th...

Cloning techniques produce FDA-approved antibiotic

...fections. The rapid rise of antibiotic resistance poses a serious threat to human health, and demands new treatments effective against resistant pathogens. Fosfomycin is a natural antibiotic approved by the Food and Drug Administration for the treatment of various bacterial infections, and has proven effe...

A simple feedback resistor switch keeps latent HIV from awakening

...or some low level of erroneous transcription. This poses a problem for the virus--how does it prevent stray transcription from erupting into full-blown activation? Certain bacterial viruses manage this problem by encoding intricate repressor circuits that efficiently block transcription. But animal viru...

Fragmentation rapidly erodes Amazonian biodiversity

...arch team has discovered that forest fragmentation poses an even greater threat to Amazonian biodiversity than previously thought. Their findings, to be published next week (27 November ?1 December) in the journal Proceedings of the National Academy of Sciences USA, summarizes key findings from the worl...

Vaccine combined with short-term postexposure antibiotics protects monkeys from inhalational anthrax

... can remain dormant for much longer periods, which poses special challenges with regard to postexposure treatment. According to Friedlander, antibiotics are active only after spores have germinated; therefore, dormant spores that germinate after therapy has been discontinued can cause disease and death. Th...

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(Date:4/15/2014)... 2014, Irvine, Calif. UC Irvine neurobiologists have found ... when transplanted into the brains of mice with the ... is published in the journal Stem Cells Research ... to work in two different mouse models. , ... dementia, is associated with accumulation of the protein amyloid-beta ...
(Date:4/15/2014)... know as early as 2020 how high sea levels ... team of researchers including Florida International University scientist Rene ... Science Foundation,s (NSF) Florida Coastal Everglades Long-Term Ecological Research ... in ecosystems from coral reefs to deserts, mountains to ... sea level rise is one of the most certain ...
(Date:4/15/2014)... UC San Diego have succeeded in visualizing the ... for growth and resistance to drought. The achievement ... determine how the hormone helps plants respond to ... continuing increase in the atmosphere,s carbon dioxide, or ... in the April 15 issue of the scientific ...
Breaking Biology News(10 mins):UCI study finds modified stem cells offer potential pathway to treat Alzheimer's disease 2Long-term predictions for Miami sea level rise could be available relatively soon 2Biologists develop nanosensors to visualize movements and distribution of plant hormone 2
(Date:4/14/2014)... treat children with uncomplicated acute appendicitis is a reasonable ... fewer missed school days, according to a pilot study. ... Hospital and published online April 12 in the ... the first prospective study on nonoperative management of acute ... , Researchers enrolled 77 patients age 7 to 17 ...
(Date:4/14/2014)... 2014, Perth, Australia. Drug discovery company Proteomics International ... of a companion diagnostic (CDx) test with the ... The research team authenticated the panel of biomarkers ... samples. Seven biomarkers were validated at high stringency ... The mass spectrometry data was then cross-validated using ...
(Date:4/14/2014)... 2014) When it comes to the cost and ... Patients get the best care when they are treated ... extensive experience in their current job, according to a ... and Columbia Business School. The study was published in ... Applied Economics . , The review of more ...
(Date:4/13/2014)... STANFORD, Calif. A low-cost empowerment program for ... and sexual harassment of these girls, who live ... and are frequently attacked, a large new study ... Stanford University School of Medicine, Lucile Packard Children,s ... No Worldwide, validated the program,s effectiveness in combating ...
(Date:4/11/2014)... the processes that control brain cell production could pave ... brain-related disorders. , Scientists have gained new understanding of ... how and when nerve and brain cells are formed ... and keeps it healthy. Their findings could help explain ... which is a fundamental characteristic of many diseases including ...
Breaking Medicine News(10 mins):Health News:Antibiotics alone are a successful treatment for uncomplicated acute appendicitis in kids 2Health News:Antibiotics alone are a successful treatment for uncomplicated acute appendicitis in kids 3Health News:Longer nurse tenure on hospital units leads to higher quality care 2Health News:Empowerment program greatly decreases incidence of rape, Stanford/Packard-led study finds 2Health News:Empowerment program greatly decreases incidence of rape, Stanford/Packard-led study finds 3Health News:Empowerment program greatly decreases incidence of rape, Stanford/Packard-led study finds 4
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