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Bioethic information and analysis newsletter |
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Previous Letter |
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N°58 - October 2004 |
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The decree and order covering the procedures for authorising the import of
embryonic stem cells for research purposes, were published in the Gazette on
30th September 20041.
How many
embryos ?
Tomorrow,
therapeutic cloning? 1 - Decree dated 28th September 2004 concerning the import of embryonic stem cells for research purposes, study and research and preservation protocols for such cells and covering the application of the provisions of article 37 of law No. 2004-800 dated 6th August 2004 and decree dated 28th September 2004. |
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Cells and neurones The team working under Dr Lorenz Studer (Stem cells laboratory at Sloan Kettering Cancer Center, New York) claims to have shown that human embryonic stem cells can be differentiated into neurone cells producing dopamine1. This molecule is the chemical messenger, used for communication between neurones, which is lacking for instance in Parkinson's disease. By cultivating together embryonic stem cells and bone marrow cells, biologists were able to convert more than 70% of the stem cells into dopamine producing neurones. French scientist Anselme Perrier, who was the first signatory of the article explains : « This is a key milestone. We now have the tools required to move to the next stages, in particular to start testing on animals. » With adult stem cells
This work will reactivate the ethical debate on the
use of embryonic stem cells which involves the destruction of human
embryos. Embryonic stem cells are not, however, the only research path for
degenerative diseases; several studies have shown the effectiveness of
adult stem cells in the treatment of Parkinson's disease. Nature Medicine
magazine, in May 2003, published the results of cellular therapy conducted
on five patients suffering from that disease. A year later, their ability
to perform day-to-day tasks had improved by 61%.
1 - Proceedings of the National Academy of Sciences, 14th August 2004 |
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Therapeutic cloning ?
France's ambiguous position |
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The belly empire – Another history of maternity - Marcela Iacub |
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Must
one give birth to be a mother ?
Children are no longer born from marriage
The
belly empire
Anonymous childbirth : danger ?
Genetic truth or parental willingness ? |
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