Zhang, W.

esrrb nanog oct 4 expression promoter nanog promoter binding protein antibody oct-sox level es cells nanog expression oct-sox site control sox 2 analysis oct 4 protein nanog promoter activity error bars shrna transcription receptor experiment error regulation activity factor element es cell self-renewal target zhbtc differentiation fication interaction self-renewal blot analysis zfp 42 zhbtc 4 cells doxycycline oct-sox element esrrb binding luciferase f-oct sequence identi effect transcriptional plasmid flag-oct transfected pluripotency enrichment 293 t cells oct 4 alleles oct 4 expression motif colony es cell line oct 4 antibody es cell colonies 2005. depletion 24 h posttransfection lamin b 1 flag-oct 4 protein r &d systems esrrb shrna vector anti-flag antibody mouse chip analysis oct-sox motif flag-oct 4 estrogen-related presence transcription factors reporter cell lysates vector mosaic