Scientists See Defects in Lab-Grown Stem Cells

  • Playlist
  • Download
  • Embed
    <iframe src="" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Scientists have uncovered problems that may limit the usefulness of human embryonic stem cells. After several months of growing in a lab, the cells exhibit genetic abnormalities. Scientists will have to address that issue before stem cells can be used to treat disease.



Please keep your community civil. All comments must follow the Community rules and terms of use, and will be moderated prior to posting. NPR reserves the right to use the comments we receive, in whole or in part, and to use the commenter's name and location, in any medium. See also the Terms of Use, Privacy Policy and Community FAQ.

NPR thanks our sponsors

Become an NPR sponsor

Support comes from