Stem cells gotten from unfertilized eggs

Stem cells have been created through a new procedure that encourages an egg to begin embryo development without being fertilized.

The idea of starting embryonic development without fertilization isn’t new, but the researchers have taken it a step further by generating stem cells. The breakthrough should generate interest in trying to do the same with human cells.

The stem cells produced in the process are a genetic match for the egg donor, and thus won’t be rejected by the immune system. But using eggs also means the cells are limited to use in females.

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