Issue 287 (06 December 2004)

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When is an embryo not an embryo?

06 December 2004 - by Dr Kirsty Horsey

Recent news reports have highlighted the fact that scientists are searching for a way to create human embryonic stem (ES) cells without destroying human embryos. Normally, the derivation of ES cells requires that the embryo they came from be destroyed in the process. Many people have no ethical problem with...[Read More]

Stress linked to aging cells

02 December 2004 - by BioNews

Stress can speed up the aging process, according to a new US study. Scientists based at the University of California have found that cells taken from women who experience high levels of stress appear years older than their actual biological age. The research, published in the Proceedings of the National...[Read More]

Eggs 'tricked' into becoming embryos

02 December 2004 - by BioNews

A method for persuading human eggs to start dividing as though they have been fertilised could provide a less controversial source of embryonic stem (ES) cells, say UK researchers. The scientists, based at the University of Wales in Cardiff, also say that the technique might help improve the success rate...[Read More]

Genetic test to help smokers quit launched

03 December 2004 - by BioNews

A UK company has launched a new DNA test that it claims can help smokers kick the habit, by tailoring treatment to their genetic make-up. The 'NicoTest', developed by Oxford University-based firm G-Nostics, identifies people who are most likely to benefit from nicotine replacement therapies (NRTs). The £95 test is...[Read More]

Law Lords reject woman's embryo appeal

06 December 2004 - by BioNews

The UK's House of Lords has refused to allow an appeal from Natallie Evans, a woman seeking to be able to use frozen IVF embryos that were created before she separated from her then partner, who has since withdrawn his consent to their use. The embryos represent her last chance...[Read More]

Stem cell cure for incontinence

06 December 2004 - by BioNews

Austrian researchers have successfully treated women with urinary incontinence problems, using stem cells taken from the patients' own arm muscles. The group, based at the Medical University of Innsbruck say that a year later, 18 of the 20 women still have full control over their bladders. Lead researcher Ferdinand Frauscher...[Read More]

Good IVF success rates after single embryo transfers

06 December 2004 - by BioNews

Transferring one IVF embryo, followed by a second, frozen-thawed embryo if the first fails to implant, is almost as likely to result in a pregnancy as transferring two at a time - in women under 35, Swedish researchers report. Team leader Christina Bergh, based at the Sahlgrenska University Hospital, says that...[Read More]