WASHINGTON — US scientists have used stem cell technology to create mice from two fathers, an advance that they say could help preserve endangered species and even help same-sex couples have their own genetic children one day.
According to the study published Wednesday in the journal Biology of Reproduction, reproductive scientists in Texas were able to manipulate cells from a male (XY) mouse fetus to produce an induced pluripotent stem (iPS) cell line.
These iPS cells are adult cells that have undergone some genetic reprogramming in order to enter an embryonic stem cell-like state. Some of the cells that were grown from this new line spontaneously lost their Y chromosome, turning them into XO cells.
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