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Making mice with enhanced color vision
03-22-2007 · EurekAlert!Researchers at the Johns Hopkins School of Medicine and their colleagues have found that mice simply expressing a human light receptor in addition to their own can acquire new color vision, a sign that the brain can adapt far more rapidly to new sensory information than anticipated.
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Keywords: making, mice, enhanced, color, vision
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- UF researchers awaken vision cells in blind mice
05-21-2007 · EurekAlert!
Scientists describe how they used a harmless virus to deliver corrective genes to mice with a genetic impairment that robs them of vision. The discovery shows that it is possible to target and rescue cone cells -- the most important cells for visual sharpness and color vision in people.
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- Genetic studies endow mice with new color vision
03-22-2007 · EurekAlert!
Although mice, like most mammals, typically view the world with a limited color palette - similar to what some people with red-green color blindness see - scientists have now transformed their vision by introducing a single human gene into a mouse chromosome. The human gene codes for a light sensor that mice do not normally possess, and its insertion allowed the mice to distinguish colors as never before.
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- Life savers in the gut
01-09-2008 · EurekAlert!
Researchers from the European Molecular Biology Laboratory have discovered that proteins that regulate the body's iron household play a vital role in making sure enough nutrients and water are absorbed in the intestine. Mice lacking these proteins suffer from weight loss and dehydration, the scientists report in the current issue of Cell Metabolism.
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- News tips from the Journal of Neuroscience
04-10-2007 · EurekAlert!
The following articles are featured in the upcoming issue of the Journal of Neuroscience: "Я-Catenin and Acetylcholine Receptor Clustering," "Wnt Signaling and Retinal Regeneration," "Making Eye Contact," and "Ischemic Axonal Injury in Neonatal Mice."
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- Making strides in quantum dot infrared photodetectors
05-17-2007 · EurekAlert!
Northwestern University researchers have made significant strides in the development of quantum dot infrared photodetectors -- technology that may provide new imaging techniques with applications in medical and biological imaging, environmental and chemical monitoring, night vision and infrared imaging from space. Conventional technology for imaging applications typically requires that the detector be cooled to very low temperatures. By using nanotechnology to form quantum dots, the researchers are closer to developing high-performance imaging techniques that can operate at higher temperatures.
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- Stressed-out skin loses its antimicrobial defense mechanism
11-01-2007 · EurekAlert!
It is well known that being stressed increases our susceptibility to infections by impairing the function of our immune system, but the molecular links between stress and diminished immune function have not been determined. A new study in mice has provided insight into this issue by showing that psychological stress increased production of glucocorticoids and that this decreased the expression of antimicrobial peptides in the skin, making the mice more susceptible to skin infections.
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- Color vision drove primates to develop red skin and hair, study finds
05-24-2007 · EurekAlert!
You might call it a tale of "monkey see, monkey do." Researchers at Ohio University have found that after primates evolved the ability to see red, they began to develop red and orange skin and hair.
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- Your genes may hold key to how sick you get from the flu
11-03-2006 · EurekAlert!
With the help of some high tech equipment, well-defined mouse models and analytical know how, researchers are trying to understand why a flu virus kills some people but not others. Studies to be presented at "Physiological Genomics and Proteomics of Lung Disease" found that a strain of mice more likely to die of influenza infection mounts a dramatically enhanced immune response in the lungs compared to a strain of mice that generally develops milder disease.
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- For treating malaria, less drugs may be best drugs
11-26-2007 · EurekAlert!
The current dosage of drugs used in treating malaria may be helping the parasites become resistant to the drugs faster, without improving the long-term outcome in patients. According to evolutionary biologists, studies using mice suggest that the optimal use of the drugs might slow the spread of drug resistance while making the patient just as healthy.
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- Mutation improves memory, may lead to memory-enhancing pill
04-05-2007 · EurekAlert!
A mind-altering mutation in mice results in an enhanced long-term memory, researchers report in the April 6, 2007, issue of the journal Cell, published by Cell Press. These findings point to a potential target for the development of a drug to treat memory loss, according to the researchers.
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