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In a first, mouse eggs grown from skin cells

Lab technique re-creating ovary conditions in a dish needs refinement

cells and mice

EGG-CITING TIP  Skin cells from the tip of a mouse’s tail were reprogrammed into eggs (left) made entirely in a lab dish. Some of those eggs produced healthy mice (two shown, right).

K. Hayashi/Kyushu University

By Tina Hesman Saey

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