Access

Published online 25 October 2006 | Nature | doi:10.1038/news061023-8

News

Older embryos can survive stem-cell extraction

Mouse study suggests stem-cell work could be made more efficient.

US researchers say they have improved the technique by which stem cells can be coaxed from an embryo without harming it.

The technique has been used only on mouse embryos and is still being refined.

Comments

Reader comments are usually moderated after posting. If you find something offensive or inappropriate, you can speed this process by clicking 'Report this comment' (or, if that doesn't work for you, email redesign@nature.com). For more controversial topics, we reserve the right to moderate before comments are published.