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Published online 7 July 2009 | Nature | doi:10.1038/news.2009.646
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Sperm-like cells made from human embryonic stem cells
But results are only preliminary, researchers caution.
Human embryonic stem cells have been coaxed into forming sperm-like cells, researchers report today1. The cells have some of the hallmarks of sperm — they can swim, for example — but require much more characterization before they can be embraced as an experimental model for the study of inherited diseases and infertility.
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