Word: follistatin
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Dates: during 2009-2009
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...single gene injected into the monkeys was coded for the naturally occurring protein follistatin, which blocks the function of another protein called myostatin that hinders muscle growth. Past research in mice that were genetically engineered to have an extra copy of the follistatin-producing gene has shown that blocking myostatin, by increasing follistatin, causes muscles to bulk up fast. What Kaspar and his team found was that the same effect could be achieved simply by injecting genes - ferried aboard a small, non-disease-causing virus known as AAV, or adeno-associated virus - into the muscle. They further discovered that once...
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