Deceptive model: Stem cells of humans and mice differ more strongly than suspected

Mice are in many ways similar to Homo sapiens on a fundamental level. That is why the law in this part of the world only permits scientists to conduct research on human embryonic stem cells when they have "clarified in advance" their specific questions by using animal cells as far as possible. However, such tests are often pointless -- and sometimes even misleading, as a recent study demonstrates.

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