Quantitative PCR analysis was performed to compare transcript levels of Venus with PrEn (Hex, Gata4, Gata6, Dab2, Sox7, Hnf4α, and Pdgfrα), pluripotency (Nanog, Klf4, Rex1, Stella, and Pou5f1) and other lineage (T, Fgf5, Eomes, Flk1, Mixl1, Cdx2, Sox1, Pax6, and Six3) markers in
purified cell fractions.