Scientists make first embryo clones from adults

Scientists make first embryo clones from adults

WSJ: For the first time scientists have cloned cells from two adults to create early-stage embryos.

The experiment represents another advance in the quest to make tissue in the laboratory that could treat a range of maladies, from heart attacks to Alzheimer's. The study, involving a 35-year-old man and one age 75, was published Thursday in the journal Cell Stem Cell.

The creation of the first early-stage human clones, using infant and fetal cells rather than those from adults, was reported last year. The new experiment, with a few tweaks, confirms that striking and controversial breakthrough and also shows the technique works on mature cells.

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