Gene Tweaking Turns Couch Potato Mice Into Racers
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Altering a single gene turned  ordinary mice into marathon racers that could run for hours and  eat huge amounts of food without getting fat, a team of  researchers reported on Monday.
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Researchers on Monday unveiled genetically engineered mice that can run farther and longer than their naturally bred brethren, bringing the &quot;genetic doping&quot; of elite athletes a small step closer to reality.
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Mice engineered to lack a stress-related brain protein appear to become depressed in stressful situations, providing insight into a possible source of human depression.
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Researchers have transformed one bacterial species into another by swapping their genomes, a move that will accelerate the race to develop custom-built synthetic bugs, a pioneer on genetics has said.
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Genetics pioneer Craig Venter has news from the frontiers of biology.
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SAN FRANCISCO - Researchers on Monday unveiled genetically engineered mice that can run farther and longer than their naturally bred brethren, bringing the "genetic doping" of elite athletes a small step closer to reality.    The creation of the so-called marathon mice, announced Monday, follows earlier genetic engineering work that created "Schwarzenegger mice," rodents that bulked up after getting injected with muscle-building genes...
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Increasing the activity of a single gene turns a mere rodent into Mighty Mouse, according to a new study. California scientists have genetically engineered an animal that has more muscle, less
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Squirrels hit the genetic lottery with their chubby cheeks and bushy tails. It's hard to imagine picnickers tossing peanuts and cookies at the rodents if they looked like rats.
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Genetic engineering can correct the worst symptoms in mice with Fragile X syndrome, the most common inherited cause of mental retardation and autism, U.S. researchers reported on Wednesday.
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A "marathon" mouse which can run twice as far as a normal mouse is bred by scientists.
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Rogue proteins that behave like those linked to vCJD and Alzheimer's can give yeast a survival advantage.
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Neuroscientists use coral and jellyfish DNA to create colorful arrays of neuronal connections in mouse brains.
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Through genetic engineering, scientists have bred a mouse capable of running twice as far as other mice before exhaustion. Medical researchers believe some of their findings could apply to humans. By Kristen Philipkoski.
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Active people have cells that look younger on a molecular level than those of couch potatoes.
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Here's something to ponder when you bite into your next chicken wing: A new study says about 60 percent of the genes in the critter you're eating have close cousins in your own DNA.
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Blog: Suppressing the activity of a particular enzyme fixed brain cell structure and communication and improved mouse behavior.
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Gene therapy might one day be an effective treatment for Alzheimer's disease, new experiments in mice suggest.