Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.

Science 20 April 2007:
Vol. 316. no. 5823, p. 339
DOI: 10.1126/science.1142267
Prev | Table of Contents | Next

Editorial

Free-Range Eggs?

Anne McLaren

Human eggs are in short supply, but much in demand. Many infertile women need donated eggs if they are to bear children. Researchers need eggs for somatic-cell nuclear transfer (SCNT) to try to develop stem cell lines. If SCNT-derived stem cells could be made from patients suffering from devastating conditions such as motor neuron disease, they could provide unlimited material for molecular and biochemical analyses and clues for future therapy. But where can all these eggs come from to make these stem cells? And what about the reverse situation: making human eggs from stem cells?

Anne McLaren is at the Wellcome Trust/Cancer Research UK Gurdon Institute, Cambridge, UK.

Read the Full Text


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Fearing a non-existing Minotaur? The ethical challenges of research on cytoplasmic hybrid embryos.
S Camporesi and G Boniolo (2008)
J. Med. Ethics 34, 821-825
   Abstract »    Full Text »    PDF »


To Advertise     Find Products

Science. ISSN 0036-8075 (print), 1095-9203 (online)