anti-SOX17 antibody (R&D, Cat # AF1924) diluted 1: 1,000, rabbit
anti-FOXA2 antibody (Millipore, Cat # AB4125) diluted 1:500, goat
anti-FOXA2 antibody (R&D, Cat # AF2400) diluted 1:1,000, mouse
anti-HNF4α antibody (Perseus Proteomics, Cat # PP-H1415-00)
diluted 1:500, mouse anti-AAT antibody (Thermo Scientific, Cat #
MA190438) diluted 1:500, goat anti-PDX1 antibody (R&D, Cat #
AF2419) diluted 1:1,000, goat anti-OCT4 antibody (Santa Cruz Biotechnology, Cat
# sc-8629) diluted 1:500, rabbit anti-NANOG antibody (Abcam, Cat
# ab80892) diluted 1:500, mouse anti-AFP antibody (Sigma-Aldrich, Cat
# A8452) diluted 1:500, mouse anti-CK18 antibody (Abcam, Cat #
ab82254) diluted 1:500, and goat anti-albumin antibody (Bethyl, Cat #
A80-129A) diluted 1:500. Secondary antibodies were Alexa Fluor 488/555 donkey
anti-mouse or anti-rabbit or anti-goat IgG (1:1,000) (Invitrogen). Nuclei were
visualized by Hoechst (Sigma-Aldrich) staining. Images were captured using a
Nikon Eclipse TE2000-U microscope.