Stem cells could be by-product of IVF

Defective zygotes produced through IVF could be used to generate therapeutic stem cells, claim US scientists.

Stem cells could be by-product of IVF
Stem cells could be by-product of IVF

For the study, newly fertilised mouse cells were halted in cell division and the genetic material replaced with that of mature skin cells from mouse tails. The eggs formed blastocytes, from which embryonic stem cells were derived. This method was also effective for production of embryonic stem cells from defective zygotes (Nature 2007; 447: 679-85).

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