Published in Cancer Weekly, June 7th, 2005
"In vitro produced (IVP) bovine embryos were subjected to in vitro culture with or without 1000 U/ml human recombinant leukemia inhibitory factor (LIF) added to the culture medium from Days 5 to 8 post insemination (p.i.). Resulting blastocysts were subsequently plated intact on mouse feeder cells in a medium with or without LIF.
"Significantly more embryos reached the hatched blastocyst stage, and the number of blastocysts with excellent morphology was significantly higher, when LIF was omitted. At Day 8 p.i., total cell count (TCC) and inner cell...
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