Tag: "interacting" at biology news

Knockout Mouse Reveals Genetic Mechanism In Defective Mammalian Ear Development

...asmice and humans -- has been found to involve two interacting genes in amolecular signaling pathway known to direct cell fate in many differentorganisms, including fish and insects. This control mechanism, which involves the genes Jagged2 and Notch1, wasidentified in a collaborative effort by research t...

UI Researchers Find Possible Genetic Link Between The X Chromosome And Ovarian Cancer

...ocation of thegene on the X chromosome that may be interacting the BRCA1, Buller said. "The research will help us learn more about risk factors for ovarian cancer andcould lead to new prevention strategies that might reduce a women's chance ofgetting breast or ovarian cancer," he said....

Salmon Syndrome M74: Cause Still A Mystery

...ct that the explanation lies in a number ofcomplex interacting factors in the Baltic Sea. Precautionary treatment.... "It is most likely that M74 is caused by several interacting factors, which stemfrom ourinfluence on the Baltic ecosystem. These factors cause effects to be rein...

Immunex And Wyeth-Ayerst Laboratories Advance Enbrel Into Phase II/III Clinical Trial For Chronic Heart Failure

...that works by binding to TNFand preventing it from interacting with cell surface receptors that are on thecells in the heart and circulatory system. Nearly 5 million Americans have chronic heart failure today. Of these, about 1.5million have NYHA class III-IV chronic heart failure. Chronic heart failure isone f...

Researchers Discover Fast Efficient, Controllable Way To Study Molecular Interactions

...)bpy32+ in the presence of ammonium persulfate and interacting proteins tolight from a high-intensity 150W lamp. They found that in only .5 seconds 60percent of the molecules were coupled. Similar results occurred using a standard flashlight by just increasing the exposuretime to five to 30 seconds and holding t...

Computing device to serve as basis for biological computer

...ules, such a device may operate in the human body, interacting with its biochemical environment in a program- controlled manner. Inparticular, given a biomolecular implementation of the computer that uses RNAas the tape polymer, the computer may release cleaved tape polymer segmentsthat function as messenger ...

When opposites don't attract: Understanding why may support new biomaterials, Science paper suggests

...ile the system imitatesliving cells (the membrane) interacting with oppositely charged proteins (theparticles), it may also be used as a model for the design of new, colloidallybased materials. Dan's research was supported by the National Science Foundation....

Understanding key protein in Fragile X syndrome

...NP complex. "Isolating the RNA that's specifically interacting with the FMRP will give us a handle on the biggest question in this whole area of research what are the messages that are bound to it," said Warren, who expects to identify most of the messages that bind to FMRP within the next year. With the messag...

Feeding the world by cleaning the air: study ties heavy regional haze to reductions in China's crop production

...ffects on sunlight potentially caused by haze interacting with clouds or the toxic effects of air pollutants that also reduce crop growth. Extensive studies by agricultural researchers have documented the relationship between crop production and the sunlight received. The haze affecting Ch...

Neurosteroids: the missing link?

...s or days. Neurosteroids produce their effects by interacting with neurotransmitter receptors andthen altering neurotransmission, producing their effects in a millisecond time frame." "There are two major neurotransmitters in the brain," said Richard A. Morrisett, associateprofessor of pharmacology at The Univ...

UNC-CH scientists create world's smallest pieces of ice

...ts now are developing new ways of studying water's interacting hydrogen bonds, which control much of biochemistry, he said. The next step will be to introduce small biological molecules into the system to learn how water interacts with them....

Deadly to cattle and humans, prions may help other organisms survive, researchers find

...lso prevent different prions in the same cell from interacting and forming multi-protein aggregates, they conclude....

Water: the unexpected blood pressure drug

...tudy. "Water might be increasing blood pressure by interacting with osmoreceptors (which sense salt concentrations) or stretch receptors in the stomach or liver," added Jordan, who is currently director of the Clinical Research Center at the Franz Volhard Klinik of Humboldt University in Berlin, Germany. The stu...

Rockefeller University researchers discover immune-cell mechanism that boosts therapeutic antibody potency

... effector cell through its Fc portion, it's really interacting with these receptor pairs. Ravetch and his colleagues found that the Fc receptor system operates by maintaining a delicate balance between these pairsthe "on" and "off" switches of the immune response. The balance may be skewed, but the conflicting f...

Alcohol researchers suggest specific binding site for anesthetics and alcohols

...nd anesthetic drugs exert some of their effects by interacting with specific protein molecules in the brain. Propanethiol (and also propyl-methanethiosulfanate), the researchers found, irreversibly enhances receptor function and obviates the ability of other alcohols and anesthetics to potentiate receptor functi...

Fred Hutchinson Cancer Research Center to lead international team to accelerate investigation of immune-related genes

... create a searchable HLA database linking multiple interacting genes with function, ethnicity and disease. A more centralized database will make it easier for scientists to find and contribute new data. It also will help clinical investigators use the information as a platform for future research on immune-med...

Researchers establish formula for predicting predator-prey populations

...first to use long-duration experiments of multiple interacting species to verify a mathematical population model. Their conclusion: a few straightforward rules can govern predator-prey population dynamics for species more complex than single-celled bacteria and protists. "We combine theoretical and empirical ap...

Microbial transport at Yellowstone: by land, sea or air?

...Park. "Hot springs comprise a complex ecosystem of interacting microbes, geochemistry and mineralogy," said George Bonheyo, a postdoctoral researcher at the UI. "The rapid precipitation of calcium carbonate results in shifting flows, and in the sealing off of some springs and the eruption of new vents. But the...

Researchers identify gene common to many autism cases

...oblems in communicating with others and difficulty interacting socially. Many people with autism exhibit repetitious hand and body movements. Roughly one in 500 persons may be affected by some form of the disorder. The research team was led by Jennifer Ingram, Ph.D., and Christopher Stodgell, Ph.D., of the Uni...

Simple rules predict the outcome of predator-prey struggles

..."Ever since ecologists in the 1920s began to model interacting populations, they have been struggling with the observation that very simple theoretical models predict very complicated dynamics like population cycles," said Gregor F. Fussmann, a postdoctoral associate in ecology and evolutionary biology at Cornel...

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