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Fig. 5. Tead4-/- embryos appear abnormal at E3.5 and fail to
form blastocyst outgrowths in vitro. E3.5 embryos from heterozygous
matings were collected and cultured in gelatin-treated tissue culture dishes.
Tead4+/+ and Tead4+/- embryos appear
as normal blastocysts with inner cell masses (icm), trophectoderm (te),
blastocoel cavities (bc) and zonae pellucidae (zp), whereas
Tead4-/- embryos appear as abnormal morulae. After 5 days
in culture, the embryos and their outgrowths (tg, trophoblast giant cells)
were collected for genotyping.