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Tag: "results" at biology news

Common gene version optimizes thinking -- but with a possible downside

... studied had at least one copy of the version that results in more efficient filtering of information process... explained Andreas Meyer-Lindenberg, M.D. "Our results raise the question of whether a gene variant favored by evolution, that would normally confer advant...

Robotic exoskeleton replaces muscle work

...plans to build a commercial exoskeleton, but their results suggest promising applications for rehabilitation and physical therapy, and a similar approach could be used by other groups who do build such technology. "This could benefit stroke patients or patients with incomplete injuries of the spinal cord,...

New study challenges 'critical period' in childhood vision development

...eral years of compromised sensory experience. The results of this study provide an argument for even late-stage blindness treatments and guide researchers towards an improved understanding of the complexities of the brain. ...

Africa's first large-scale HIV vaccine study launches

...e whether the test vaccine prevents HIV infection, results in lower HIV levels in those who become infected after vaccination or both. In addition, investigators for the South Africa vaccine trial will determine if this vaccine, which is based on clade B HIV, has the potential to protect against the clade C ...

Rapid oral HIV test shows great promise according to MUHC-led research

...HIV Trials Network. "The other advantages are that results are available within 40 minutes compared to the standard blood test, which takes up to two weeks. This test can also be performed by health workers with minimal training, eliminating the need for specialist laboratory technicians." "Rapid point of...

Chlamydia vaccine a step closer to reality

...he most common infectious disease in the world and results in infertility in women and long-term chronic pelvic pain," he said. "There are antibiotics to treat Chlamydia, but there's no vaccine to prevent it. In many cases women don't know they are infected because there are not really any physical signs ...

Anti-wrinkle compound causes pathological reaction in skin cells

...DMAE is dangerous to people exposed to it, but our results indicate it’s time to begin serious research to determine whether or not it poses a health risk." DMAE is not a unique case in the world of beauty products, continues the researcher. "Several compounds found in cosmetics are just as complex as med...

Newborn brains grow vision and movement regions first

...ging (MRI) scans on a large group of newborns. The results appear in the Feb. 7 issue of the Journal of Neuroscience. Funding was provided by the National Institute of Mental Health and the UNC School of Medicine. Another key finding by the UNC team is that boys, on average, are born with brains about 10 p...

How fish species suffer as a result of warmer waters

...ls entirely, leaving the organism to perish. These results represent a significant step forward towards understanding the mechanisms involved in climate-induced alterations in marine ecosystems. The paper 'Climate change affects marine fishes through the oxygen limitation of thermal tolerance' is publishe...

Renegade RNA -- Clues to cancer and normal growth

...A into the nucleus. According to Mendell, these results demonstrate for the first time that despite their tiny size, microRNAs contain elements consisting of short stretches of nucleotide building blocks that can control their behavior in a cell. Mendell hopes to take advantage of the built-in "cellular z...

Gene elevating breast cancer risk also causes prostate cancer

... by screening for disease-related alterations. The results of this international research effort were recentl...s the risk of breast cancer four-fold "Present results show that the discovered PALB2 mutation elevates the risk of breast cancer four-fold. However, we st...

Anxiety disorders surprisingly common yet often untreated

...plaints and unless prompted by the patient or test results is unlikely to assess the patient’s mental status. "Doctors like to quantify things. We can objectively measure blood pressure, blood sugar or cholesterol, but symptoms of anxiety can be missed in a busy primary care practice. The seven-question ...

Smell may outlast other senses

...heir sense of smell, or olfactory function. The results showed that olfactory function deteriorates relatively slowly with age in those who do not smoke, take medications or have a history of nasal problems such as sinusitis. However the ability to smell drops off much quicker in older people who were...

Genetic pathways to curable and incurable forms of pancreatic cancer identified

...tic neoplasms (MCN). This initiates a process that results in the rarer but far less deadly cystic pancreatic cancer. MCN lesions often are large enough to be detected early by MRI or CT scan and also to cause symptoms. The cells in this cancer also react differently to a key signaling protein, TGFb, whic...

New technologies coming too fast for Indian farmers

...his case, everyone is copying everyone else, which results in fads, not testing." Stone argues that the previously undocumented pattern of fads, in which each village moves from seed to seed, reflects a breakdown in "environmental learning," leaving farmers to rely on "social learning." Stone refers to this ...

Bacteria control how infectious they become, study finds

The results of a new study suggest that bacteria that cause diseases like bubonic plague and serious gastric illness can turn the genes that make them infectious on or off. Knowing how disease-causing bacteria, like Yersinia pestis and E. coli, do this may one ...

Liver regeneration may be simpler than previously thought

...y. "It is not known how the liver does it, but our results provide some details of what makes the liver so un...lls grow and proliferate in both samples. The results were unexpected. The researchers noticed that only a few proteins were common to both processes. Pro...

Wired for sound: How the brain senses visual illusions

...g the visual illusion of a second flash. "Our results provide evidence that perception of the illusory second flash is based on a very rapid and dynamic interplay between the auditory and visual cortices of the brain ?on a time scale less than one tenth the blink of an eye." Mishra said. Interestingly,...

Technology reveals 'lock and key' proteins behind diseases

... causes cystic fibrosis, a hereditary disease that results in progressive disability and early death. Another important ABC protein is the Multidrug Resistance Protein (MRP), which normally removes drug metabolites and toxins from cells in our bodies but when overzealous can contribute to the drug resistance...

Angelman syndrome deficits rescued in mice

...en that could be a therapeutic target." But the results may apply more broadly, Weeber said, to other types of mental retardation syndromes that remained unexplained and untreatable. "There are a lot of mental retardation syndromes that we still don't understand. Maybe the changes in CaMKII associated ...

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