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Tag: "pointing" at biology news

New findings challenge established views on human genome

...ueprint as a tidy collection of independent genes, pointing instead to a complex network in which genes, along with regulatory elements and other types of DNA sequences that do not code for proteins, interact in overlapping ways not yet fully understood. In a group paper published in the June 14 issue of Nat...

Action video games sharpen vision 20 percent

...ournament players could tell which way the "T" was pointing much more easily than they had just a month earlier. "When people play action games, they're changing the brain's pathway responsible for visual processing," says Bavelier. "These games push the human visual system to the limits and the brain adapt...

Researchers uncover protection mechanism of radiation-resistant bacterium

...hology, and his colleagues have uncovered evidence pointing to the mechanism through which the extremely resil... had significantly different metal concentrations, pointing to high levels of manganese and low iron levels as possible influences on cellular recovery followin...

Scientists unlock secret of what makes plants flower

...f years several labs made exciting discoveries all pointing to the FT gene being central to controlling flowering time. Now that we have been able to track FT protein moving from its source in leaves to its destination in the shoot tip, we have a plausible explanation for how plants respond to day length. Par...

Engineering the heart piece by piece

...of the art as it exists in our lab and others, and pointing out both potential applications and hurdles that remain.? The paper presents a model for collaborative research between engineers, clinicians and biologists for successful cardiovascular tissue engineering research. “Although there remain tre...

UCLA researchers unravel a mystery about DNA

...or initiation, the significance of this work is in pointing out an important regulation "checkpoint." Scrunched DNA is likely to play a major role in future studies of transcription regulation, and possibly become a focus for antibiotic drug discovery efforts. "These are issues that we were not able to res...

Fruit fly aggression studies have relevance to humans, animals

...gression in the fruit fly Drosophila melanogaster, pointing to new mechanisms that could contribute to abnormal aggression in humans and other animals. The study, led by doctoral student Alexis Edwards in the laboratory of Dr. Trudy Mackay, William Neal Reynolds Professor of Genetics, appears online in PloS...

Robots manipulating animal behaviour

...e if is associated with high technology," he adds, pointing to a potential increase in competitiveness and a decrease in costs. "A robot interacting with animals, even if it is not mobile, could be used for numerous tasks, such as herding or milking. Our project demonstrates that the fields of biology and IT ...

Structure determined for p53 tumor suppressor protein as bound to DNA for anti-cancer activity

... p53 protein occur in its DNA-binding core domain, pointing to this region of the p53 protein as being pivotal to its anti-cancer activity. Clearly, a detailed view of the p53 protein in direct contact with DNA could provide important insights into preventing and treating an array of human cancers. To date,...

First 'encyclopedia' of nuclear receptors reveals organisms' focus on sex, food

...edict functions heretofore unknown. This really is pointing to new directions in biology." Much already is known about individual nuclear receptors, which are proteins found in cell nuclei in reproductive, digestive and liver, immune, and many other tissue systems. Such receptors act as sensors for hormones ...

New understanding of COX-1 and COX-2 enzymes could revise classification of pain meds

...biochemistry of common pain medications. It is now pointing toward possible alternatives to drugs like Vioxx and Celebrex, says Dr. Funk. A study published April 13 by The Journal of Clinical Investigation (JCI) by the same research team found that new types of anti-inflammatory drugs may reduce COX-2 cardio...

Researchers identify genes in fruitflies that may shed light on human cancer spread

...hese researchers as well as others in the field by pointing out genes to study further. "This really was a hypothesis-generating experiment," says Montell. "The results of this study tell us where to focus future efforts." Understanding the genetic mechanisms underlying cell migration is critical for under...

All placebos not created alike

...ms. Though the results of this study add evidence pointing to the existence of a placebo effect in a clinical environment, Kaptchuk does not recommend the use of placebos with patients or deception in the doctor-patient encounter. The aim is to understand how the ritual of healing affects health outcomes. ...

Rewind, please: Nature paper shows that cell division is reversible

...mpossible. "Our studies indicate that the factors pointing cells toward division can be turned and even reversed," Gorbsky said. "If we wait too long, however, it doesn't work, so we know that there are multiple regulators in the cell division cycle. Now we will begin to study the triggers that set these eve...

Removing DNA repair gene causes metabolic syndrome

...l's nucleus and its power plant, the mitochondria, pointing to its likely involvement in the overall maintenance of the genome's stability. Other investigators in the field have discovered that NEIL1 may be important in the repair of actively transcribed genes. This means mutations in the NEIL1 gene, or the ...

Men and women differ in brain use during same tasks

...r implications of this work, as well as other work pointing in the same direction, is that we may increasingly find out that there are differences in the 'hard wiring' of male and female brains." "We'd like to push forward in this area," added Bell, a Killam scholar at the U of A. "It hasn't been seen yet ho...

UCLA imaging study of children with autism finds broken mirror neuron system

...gs dramatically bolster a growing body of evidence pointing to a breakdown of the brain's mirror neuron system as the mechanism behind these autism symptoms. "Our findings suggest that a dysfunctional mirror neuron system may underlie the social deficits observed in autism," said Mirella Dapretto, lead autho...

Researchers use brain scans to predict behavior

...ng dots -- scientists showed them a hint: an arrow pointing to where the moving dots were likely to appear. The dots were visible only for one-fifth of a second and therefore were easy to miss if a subject was not paying attention to the right area. After the hint and prior to the appearance of the moving d...

European Commission funds EBI to do new research on synergies between bioinformatics and medical informatics

...ultry workers should be systematically vaccinated, pointing out that such workers are identified as high-risk and included in the annual Italian vaccination campaign. In an accompanying editorial, Frederick Hayden, MD, of the University of Virginia and Alice Croisier, MD, of the World Health Organization con...

Eating, body weight regulated by specific neurons

...ultry workers should be systematically vaccinated, pointing out that such workers are identified as high-risk and included in the annual Italian vaccination campaign. In an accompanying editorial, Frederick Hayden, MD, of the University of Virginia and Alice Croisier, MD, of the World Health Organization con...

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