Human eggs divide without sperm


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1 Dec By Andy Coghlan. A trick that persuades human eggs to divide as if they have been fertilised could provide a source of embryonic stem cells.

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2 Dec A way of 'tricking' eggs to divide without being fertilised may aid stem Scientists have devised a way to make human eggs behave as if they.

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Description:Eggs 'fertilised' without sperm Researchers used an enzyme found in sperm Scientists have devised a way to make human eggs behave as if they have been fertilised - without using sperm. The team from Wales College of Medicine at Cardiff University say this could provide a more ethically acceptable way of creating 'embryonic' stem cells. The 'embryos' do not contain any paternal chromosomes, so could not develop into a baby. The process, described in New Scientist, uses an enzyme found in sperm to prompt the egg to divide. The fact that they have found a biological trigger to prompt the egg to divide is fabulous Dr Simon Fishel, Centres for Assisted Reproduction The researchers say the enzyme could also be used to help couples unable to have children because the man's sperm has too little of this key protein - called PLC-zeta.

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Views: 1656 Date: 2018-08-06 Favorited: 31 favorites

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