Monday, July 25, 2011

Growing Tooth from Mouse kidney

Japanese bio engineers enclose succeed in rising a tooth from cells entrenched into a mouse kidney, using a technique that could create substitute organs faster than before tested methods.

Biologists have beforehand refined teeth in a laboratory and productively transplant them into the jaws of mice, but Japanese researchers have hail the newest development as offering much faster growth rates.

The latest method "saves about 10 days" compare to prior techniques, said Tokyo University of Science professor Takashi Tsuji, who led the research. "It is our first step towards the goal -- to renew organs that could put back damaged or lost ones," he said."We still haven't got to the point where it can be used for humans," he added. "We have just finished our first step."

The research team, counting scientists from Tokyo Medical and Dental University and Tohoku University, developed a "seed" by combining special cells necessary to form a tooth; their research showed. The cells reacted to each other and started mounting into tissues to create a real tooth.

The researchers then wrap the "seed" in a tiny piece of plastic and implanted it in a mouse's kidney, where it grew to form a tooth, the study show. When the tooth was considerably developed, they transplanted it to another mouse's gums, confirm it could adapt to the oral surroundings and attach to nerves and blood vessels as if it was a real tooth, it said.The mouse would feel pain and inspiration because the regenerative tooth functions just like a real tooth.

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