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Tag: "stronger" at biology news

Early exposure to indoor fungus molecules may protect infants against future allergies

...ndoor fungal components (molecules) can help build stronger immune systems, and may protect against future allergies. The UC team found that infants who were exposed to high levels of indoor fungal components—known as fungal glucans—were nearly three times less likely to wheeze compared with infants expose...

'Personality-gene' makes songbirds curious

...c variant of this dopamine receptor D4 gene show a stronger exploratory behaviour than individuals with other variants (Proceedings of the Royal Society London B, 2 May 2007). There is already evidence that variations (polymorphisms) in neurotransmitter-related genes are associated with personality differe...

LIAI scientists make important finding on cytomegalovirus transmission

...educe the virus," he said. The scientists got a stronger result by blocking the IL-10 receptor. "It significantly reduced the virus load in all the animals and in 50 percent of them it completely eliminated it," Croft said. The OX40 treatment also greatly reduced the virus load, but did not eliminate it...

The longest carbon nanotubes you've ever seen

...The fibers--which have the potential to be longer, stronger and better conductors of electricity than copper and many other materials--could ultimately find use in smart fabrics, sensors and a host of other applications. To grow the aligned bundles of tiny tubes, the researchers combined advantages of chem...

Dealing deadly cancers a knockout punch

...tandard anti-cancer drugs, providing significantly stronger responses than either agent alone. In addition, other studies completed in the past year have shown Reolysin has the ability to prime patients' immune systems against their particular cancer, leading to additional cancer cell killing. It is thro...

Fused nasal bones helped tyrannosaurids dismember prey

...'s team found that fused tyrannosaurid nasals were stronger than unfused carnosaur nasals. This extensive fusion increased the strength of such dinosaurs as the T. rex and helped them apply powerful bites that could splinter bone. With other carnivorous dinosaurs, says Snively, their skull bones might shear a...

Danish researches solve virus puzzle

...t the protein. The researchers have found that the stronger the pseudoknot the more often this backwards slipping happens. The different protein formed is the protein needed by the virus, with possible serious consequences for the hosting organism. This is the manner in which many vira, e.g. HIV, trick the ce...

Switching genes to overdrive improves muscular dystrophy symptoms in mice

... contract. Part of the reason that exercise builds stronger muscles is that it increases PGC-1alpha activity. Conversely, disease or lack of exercise reduces PGC-1alpha activity, causing a loss of NMJ function and weakening, or atrophying, of muscles. Spiegelman’s team had previously bred a strain of mice ...

Deconstructing brain wiring, one neuron at a time

...nerve cells - at different rates, crossing bigger, stronger synapses faster than smaller, weaker ones. Together these attributes make these viruses unable to determine exactly which cells are connected to which. The team of Salk researchers sought to create a modified virus whose spread could be limited to a...

Researchers from the University of Navarra analyze new kinds of cancer-fighting antibodies

...d to the immune system cells in order to provoke a stronger reaction against cancer. This has the advantage of exploiting a mechanism with an action distinct from the other strategies currently being used to treat cancer, and is capable of interacting with the current treatments so as to make both forms of tr...

Bypassing eggs, flu vaccine grown in insect cells shows promise

...hting off the flu, with the larger dose creating a stronger immune response. The side effects of the vaccine were the same as those usually reported from a typical flu shot ?mainly mild arm pain. Then, in the months that followed, there were seven cases of flu in the group that had not received the vaccine...

Bisexual fruit flies show new role for neurochemical

...ular glutamate, more glutamate receptors, and so a stronger transfer of messages at synapses," Featherstone said. The gene mutation also made the flies bisexual, leading him to name the gene "genderblind." "The mutants are completely bisexual, but fertile. It's the first gene that really specifically affe...

Wheat can fatally starve insect predators

...lant much to produce, unlike producing poisons and stronger walls. Those inducible defenses use a lot of a plant's energy that could be used toward growth and reproduction." The scientists currently are looking for regulatory regions in Hessian fly-susceptible wheat genes that might act as vehicles to carr...

UCSF brain tumor vaccine trial shows promising results

...y side effects from the treatment, and I’m getting stronger every day. I would urge patients to seek out second opinions and investigate clinical trials. I can tell you I am so glad I did.? “Our goal is to change the management of recurrent glioma from a life threatening disease, in which survival rates are...

Researchers from the UGR use a bacterium to obtain biopreservatives from food

...ry to find new antimicrobial agents because of the stronger resistance acquired by bacteria. Researcher Sánchez Hidalgo points out that natural antimicrobial cationic peptides such as bacteriocins "represent a good alternative." Bacteriocins are proteins that are biologically active against members of the ...

Large size crucial for Amazon forest reserves

...of area on the occurrence of bird species are much stronger than the effects of isolation. "It is no surprise that small isolated fragments lack many species" said Ferraz. "Many birds are so uncommon that they will rarely occur in small plots even in the middle of vast undisturbed forest." The question i...

Natural polyester makes new sutures stronger, safer

...once the wound is healed. They are also 30 percent stronger than sutures now used and very flexible, making them easier for surgeons to work with. The sutures were developed by Tepha, Inc., a Cambridge company that hopes to use the same material to produce an array of absorbable medical devices, including ...

Microfossils unravel climate history of tropical Africa

... sea surface is higher than that of the continent, stronger offshore winds reduce the flow of moist sea air onto the African continent. This occurred during the last ice age and, as a consequence, the land climate in tropical Africa was drier than it is in today's world, where it favours the growth of a lush ...

Morphine makes lasting -- and surprising -- change in the brain

... site of information exchange in the brain ?become stronger after repeated stimulation. This increased synaptic strength is believed to be the cellular basis for memory. In her experiments, Kauer found that LTP is blocked in the brains of rats given as little as a single dose of morphine. The drug’s impact...

Reminding doctors which antibiotics to prescribe cuts C. difficile infection rates

...y result. This design means the study provides stronger evidence than previous investigations of similar interventions. "Nearly all previous studies assessing interventions to improve prescribing were poor quality unplanned studies with no control groups or outcomes and inadequate statistical analysis," e...

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