Briefly, blastocysts were fixed overnight at 4 °C in 3.7% (w/v) paraformaldehyde diluted in PBS. After fixation, they were permeabilized in PBS containing 0.1% (v/v) Triton-X100 for 40 min
Briefly, blastocysts were fixedovernight at 4 °C in 3.7% (w/v) paraformaldehyde dilutedin PBS. After fixation, they were permeabilized in PBScontaining 0.1% (v/v) Triton-X100 for 40 min