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Most existing stem cell lines are transgenics!

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According to this article in the Washington Post, most stem cell lines have been nurtured with embryonic mouse cells. Therefore, they're likely to be transgenic: cells with mixtures of human and animal DNA. Any transplanting of them into humans would be considered xenotransplanting: bringing animal cells into patients.

In other words, this makes them mostly useless for the sort of research that scientists would like to do with them. Thanks, Curious George.

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About the author

Chip_Unicorn (Brent Edwards)read storiescontact (login required)

an Unicorn from Seattle, WA

The truth will make you fret.