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Science 1 October 1999:
Vol. 286. no. 5437, p. 31
DOI: 10.1126/science.286.5437.31
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News Focus

BIOMEDICAL RESEARCH:
Ethical Loophole Closing Up for Stem Cell Researchers

Sabine Steghaus-Kovac

MUNICH--Ever since U.S. researchers revealed last year that they had created "immortal" lines of human embryonic stem (ES) cells--a type of cell extracted from an embryo that can be tweaked to grow into any form of human tissue--teams around the world have been eager to use ES cells to grow tissues for transplant. But creating ES cell lines requires researchers to destroy an embryo, so research is either heavily restricted or banned altogether in many countries. One hope was that lines of embryonic germ cells, which are taken from aborted fetal tissue, could be used instead. But results presented at a workshop on stem cell and nuclear transfer research here last month have dampened those hopes.

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
The Ethical Validity of Using Nuclear Transfer in Human Transplantation.
R. P. Lanza, A. L. Caplan, L. M. Silver, J. B. Cibelli, M. D. West, and R. M. Green (2000)
JAMA 284, 3175-3179
   Full Text »    PDF »
Advances in Livestock Nuclear Transfer.
B. Kühholzer and R. S. Prather (2000)
Experimental Biology and Medicine 224, 240-245
   Abstract »    Full Text »


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