Chimeric embryos

Monkey human embryo chimera Cell paper: exciting, ethically complex direction

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human embryo chimera

A new Cell paper from an international team led by Juan Carlos Izpisua Belmonte pushes human embryo chimera embryo research further than ever before. It is both exciting work and raises many complex bioethics questions at the same time. What is a human embryo chimera? By way of background, chimeric human embryos contain a mixture […]

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Perspectives on Pedersen Lab Human-Mouse Chimera Paper

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human-mouse-chimera

A new Cell Stem Cell paper by Victoria L. Mascetti and Roger Pedersen on human-mouse chimera modeling is quite interesting and important. I really enjoyed this short paper, but I do have a reservation about one way that it is being interpreted. The authors show that human pluripotent stem cells (hPSC) including induced pluripotent stem cells

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NIH suspends funding of human chimera research pending policy review

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sn-ratschimera

Chimeras are one of the more controversial and fascinating areas of human stem cell and early embryo research. The notion of a chimera traces back thousands of years to creatures that were mixtures of various animals including humans in some cases. What about a real human chimera embryo? Today, chimera research has the potential to

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