The Hindu : International : Embryo cloned from unripe eggs

Online edition of India's National Newspaper
Tuesday, Jun 21, 2005

International

International

Embryo cloned from unripe eggs

COPENHAGEN: Scientists have cloned human embryos for the first time using unripe eggs matured in a dish — a technique that may help cloning become a viable option for growing patients' own replacement tissue to treat diseases. The experiment, outlined on Monday at the annual conference of the European Society of Human Reproduction and Embryology, brings the Belgians to the forefront of human cloning aimed at producing stem cells that would be a genetic match for injured or sick patients. South Korean scientists last year were the first to clone a human embryo. Last month, the same group created cloned embryos from nine patients and extracted stem cells from them. Until now, scientists investigating human cloning for medical purposes have been limited to using mature eggs. Some experts have said cloning may not become a practical approach for creating tailor-made stem cells because it requires huge numbers of eggs. — AP

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