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Tag: "mechanisms" at biology news

Studies force new view on biology of flavonoids

...ancer prevention. "Flavonoids could also induce mechanisms that help kill cancer cells and inhibit tumor inva...tion of heart disease. Both of these protective mechanisms could be long-lasting compared to antioxidants, which are more readily used up during their free rad...

Researchers find link between food odors and lifespan in fruit flies

...ss, will require more knowledge of the fundamental mechanisms at work, Van Voorhies said. "You continue to wo...ss, will require more knowledge of the fundamental mechanisms at work, Van Voorhies said. "You continue to work on the model organisms to try to figure out wha...

Sandia researchers take new approach to studying how cells respond to pathogens

...om a large population of cells may mask underlying mechanisms at the individual cell level. "Cells have different life cycles, just like any living being. And not all cells are exposed to the pathogen at the same time," Singh says. "We wanted to look at cells in the same life cycle and same infectious state....

Blood sugar's manufacture limited by building blocks' supply

...y said she plans to further explore the underlying mechanisms involved in KLF15's glucose regulation and see how increasing KLF15 levels affects blood sugar production. Meanwhile, Jain plans to further examine the transcription factor's function in other parts of the body where it is active, namely in skeletal ...

Study suggests some drug resistance to influenza B medications

...gation of antiviral therapies that use alternative mechanisms of action and target different points in the viral life cycle. The emergence of drug-resistant influenza B should draw attention to the importance of continual monitoring of strains over time and to the need for frequent rethinking of policies for us...

Gut research yields new anti-cancer approach

... PPARgamma inhibitors act through some of the same mechanisms as the blockbuster chemotherapy Taxol, but with ke...ading strategy in treating cancer, and finding the mechanisms by which PPARgamma inhibitors work could be a first step toward their safe combination with other tr...

Mechanism of nicotine's learning effects explored

...The researchers also discovered key details of the mechanisms by which nicotine excites different kinds of “interneurons?in the prefrontal cortex. Interneurons are the way-stations for neuronal impulses, passing neuronal signals from one neuron to another. ...

Aspirin discovery may improve cancer treatments

...nthesis by salicylates. "Our research into the mechanisms by which salicylates inhibit protein synthesis could lead to the design of more effective aspirin-like drugs for the treatment of diseases such as cancer," Professor Williams said. ...

Changes in amino acids in the 1918 influenza virus cut transmission

...cía-Sastre. "So if we can understand the molecular mechanisms behind its transmission, perhaps we can do something to block transmission and prevent illness." To do this, Dr. García-Sastre and his team studied two key molecular structures: hemagglutinin, a protein located in of the surface of the influenza v...

Gene found for rare disorder may reveal new pathway in mental retardation

...and also opens an avenue for investigating genetic mechanisms in broader populations of patients with abnormal brain development, in mental retardation and possibly autism as well." ...

Scientists find genes involved in the battle between Hessian flies and wheat

..." Researchers know little about the biochemical mechanisms involved when larvae - the early stages of the gna...stant plants, Hessian fly larvae encounter defense mechanisms that include poisonous oxygen compounds, Shukle said. These compounds, also called reactive oxygen s...

Mutation improves memory, may lead to memory-enhancing pill

...h follows strong or repetitive training, activates mechanisms that stabilize the memory and nerve connections, resulting in long-term memory, lasting days, weeks, or years. "Quite different molecular machineries, widely conserved from sea slugs to rodents, are thought to underlie these two components. While ...

Researchers learn what sparks plant growth

...’s research group is interested in identifying the mechanisms by which plants alter their shape and size in response to changes in their environment. Chory studies Arabidopsis, a member of the mustard family that is to plant biologists what the mouse is to mammalian geneticists. "How do organisms decide when...

Horse genome assembled

...ected and bred for more than 25 years to study the mechanisms that prevent maternal immunological recognition and destruction of the developing fetus during mammalian pregnancy. The research, conducted by Cornell professor Doug Antczak, V.M.D, Ph.D., and funded by the National Institute of Child Health and Huma...

Metacognition: Faced with a test, rats can check their knowledge first

...unities to study the neuroanatomical and molecular mechanisms that underlie metacognition. ...

Study finds surfing safer than soccer

...rfing injuries ?especially the relative frequency, mechanisms and risk factors. Nathanson and his research team collected injury data from 32 surfing contests worldwide, both professional and amateur. Documentation of every acute surfing injury sustained during competition was recorded, as well as wave size, me...

Loss of a universal tRNA feature reported

...ions to protein structure as well as the catalytic mechanisms of enzymes and must be reliably incorporated during the process of translation. Until now, bacterial, archaeal, and eukaryotic tRNAs have always been found with an extra guanylate residue at the 5' end of the tRNA molecule. The scientists, led by ...

Soft-cell approach cuts animal tests

...cultures is that the researcher can study toxicity mechanisms at the molecular/cellular level at an earlier stage specifically for individual chemicals, depending on their site of action within the human body without using animals. For example, when assessing the toxicity of formaldehyde, which is known to have...

When your brain talks, your muscles don't always listen

... beginning a new project focusing on motor-control mechanisms in the elderly. Both studies are sponsored by the ...ry important to our understanding of motor-control mechanisms in general and impaired control in patient populations." Shedding light on the communication betw...

Stem cells act through multiple mechanisms to benefit mice with neurodegenerative disease

...the first evidence that stem cells employ multiple mechanisms -- not just cell replacement - which collaborate t...ate that a better understanding of the fundamental mechanisms of stem cell action may permit the development of rational combined synergistic therapies, the inves...

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