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Tag: "strategy" at biology news

Cells re-energize to come back from the brink of death

...e Children's Research Hospital insights into a key strategy cancer cells use to survive and thrive. The findi...pase activation and cannot undergo apoptosis. That strategy would be the basis of novel anti-cancer drugs. The St. Jude study was conducted in culture dishes...

Brain inflammation may be friend, not foe, for Alzheimer's patients

...ications for the development of a vaccine or other strategy to protect against or fight off Alzheimer’s. Work on an Alzheimer’s vaccine has at times been promising, reducing the number of plaques in the brains of animals and a few people with the disease, but it’s also been fraught with difficulty, producing ...

Researchers find 24 species believed new to science in Suriname rainforest

...ng conservation of the Amazon rainforest a crucial strategy for minimizing climate change. The burgeoning global carbon market creates new economic value for carbon stored in standing rainforest, providing fresh incentive for developing nations such as Suriname to avoid deforestation....

Migration alert -- How tumor cells home in on the lymphatic system

...search shows how tumor cells use a clever chemical strategy to exploit this slow, one-way flow in order to migrate to functional lymphatic vessels. As part of their intercellular drainage job, lymphatic tissues secrete small quantities of a signaling molecule. Cells migrate towards high concentrations of...

Massive herds of animals found to still exist in Southern Sudan

...Conservation, and Tourism to launch a conservation strategy that will safeguard the region’s wildlife and wild lands, which may now rank among the richest in Africa. The plan would include the integration of several thousand ex-combatants from the Sudan People’s Liberation Army into wildlife services, help es...

Marine phytoplankton changes form to protect itself from different predators

Suppressing colony formation is a useful strategy against copepods because they prefer to eat coloni...ng the phytoplankton, therefore, the best survival strategy of Phaeocystis is to form solitary cells. When ciliates are attacking, the best strategy is to form...

Study identifies 5 genetic themes key to keeping stem cells in a primitive, flexible state

...e expression in different types of stem cells, the strategy used in this study was unique. Rather than simply searching for any genes expressed by stem cells, the researchers looked for genes whose expression was also correlated with the master stem cell regulator gene Oct4. They also applied very rigorous an...

Gene therapy study shows safety and statistically significant improvement in Parkinson's disease

...g to calm the STN over-activity. The value of this strategy has been demonstrated in previous human studies where reducing STN activity by either electrical stimulation or lesioning can help ameliorate the symptoms of advanced Parkinson’s disease. The Phase 1 study was not specifically designed to assess e...

Experts predict Tamiflu could halve the pandemic influenza death toll versus no intervention

... earlier analysis that indicates that a prevention strategy using Tamiflu may help contain a pandemic outbreak...s that a similar approach may also be an effective strategy in the event of an actual pandemic outbreak, especially as it is unlikely that a vaccine fully match...

New vaccine prevents CMV infection and disease in mice

...armacy and Pharmaceutical Sciences have patented a strategy for developing a human vaccine to prevent against ...s.” She added that the next step is to apply this strategy to create a vaccine for use in humans. CMV is a virus that, while carried by the majority of adul...

Ants show us how to make super-highways

... a consequence of the unusual and derived foraging strategy of the army ant (Eciton burchellii). This highlights the importance of considering ecology and evolutionary history in the study of social organisation in animal societies....

Researchers use MRI to predict recovery after spinal cord injury

...indings could result in a more aggressive clinical strategy for patients who may appear to have a severe SCI but may indeed have the capacity for substantial neurological recovery." According to the National Spinal Cord Association, 250,000 to 400,000 people in the United States are living with SCI or spin...

Technique monitors thousands of molecules simultaneously

...ctivates it needs to take over." With an overall strategy in place, Moeller and his collaborators are working to expand the scope of reactions that can be done. For example, they have carried out the oxidation of an alcohol to form a carbonyl and then used the carbonyl to put a dye down. They placed a green...

US control strategies may make flu epidemics worse, UCLA study shows

...e's decisions. The group modeled each individual's strategy for making yearly vaccination decisions as an adaptive process of trial and error. They tracked both individual-level decisions and population-level variables ?that is, the yearly vaccine coverage level and influenza prevalence, where prevalence is d...

Keeping the immune system from starting a 'food fight'

... however, that the realization of such a treatment strategy remains uncertain and would require years of continued investigation. Cells and organisms must strike an appropriate balance between nutrient sufficiency and surplus, the researchers explained. While adequate amounts of nutrients must be obtained ...

Alien plants attack using 'resource conservation' as weapon, researchers say

...aracteristics of the invasives are and target your strategy to those characteristics," he said. Funk pointed to recent experiments that tried to eliminate invaders by deliberately reducing available resources-for example, by mixing sugar into the soil to lock up nutrients or by blocking sunlight with tarps...

Fat screen delivers plant-derived chemical with antidiabetic effects

...des validation for fat cell screens as a promising strategy for identifying new metabolic drugs, according to the researchers. While harmine itself has effects on the central nervous system that may preclude its use, "it may eventually be possible to separate the nervous system and metabolic effects of har...

Parasites' impact goes beyond host to affect ecosystem

... "The parasite’s life cycle is a really amazing strategy for an organism that doesn’t have a brain," says Byers, who predicts that anywhere gulls are prevalent, the C. lingua trematode would also be prevalent. A laboratory experiment confirmed Wood’s and Byers?hypothesis: snails infected with the parasi...

New study examines 'brain's own marijuana'

...ted mood disorders such as anxiety. An alternative strategy may be to directly target the ‘brain’s own marijuana.’? The success of such a strategy requires a better understanding of how endocannabinoid moderates stress-related behaviors and how st...

Iowa State scientists demonstrate first use of nanotechnology to enter plant cells

...said. Lin’s nanoparticle has a unique "capping" strategy that seals the chemical goods inside. In previous studies, his group successfully demonstrated that the caps can be chemically activated to pop open and release the cargo inside of animal cells. This unique feature provides total control for timing t...

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