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Fig. 3. Localisation of Nanog and Gata6 in embryos from 8-cell to blastocyst
stage. (A) Gata6 and GFP expression in a 16-cell
PdgfraH2B-GFP/+ embryo. (B) Gata6 and Nanog are
co-expressed in 8-cell embryos. (C) In a 32-cell morula, Nanog and
Gata6 show broad, overlapping expression. (D) In a 33-cell blastocyst,
Nanog and Gata6 colocalise in some, but not all cells. (E) In a 58-cell
blastocyst, Gata6 expression is mutually exclusive from that of Nanog. Each
row represents a single optical section of one embryo. bf, bright field;
green, GFP; white, Nanog; red, Gata6; blue, Hoechst. Scale bar: 20 µm.