UK scientists are objecting to a new law that would require researchers wishing to work on embryonic stem cells to obtain consent from the cells' donors. Yesterday (January 21), 29 researchers, including three Nobel laureates, published a linkurl:letter; in the Times arguing that while such consent should be required in the future, obtaining it retroactively for cell lines and disease-specific tissue banks already inexistence would be impossible, since many donors were anonymous. The requirement is part of a linkurl:revised version; of the Human Fertilisation and Embryology (HFE) Bill currently going through Parliament. Another part of the bill, the Times linkurl:reports,; will forbid embryonic stem cell work on tissue taken from children, even if their parents consent. Parliament is debating two amendments to overturn both measures. "We consider express consent from a gamete or cell donor is necessary to reflect the special status of the human embryo," a spokesman for the...

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