Quantitative comparison of constitutive promoters in human ES cells.

by Karin Norrman, Yvonne Fischer, Blandine Bonnamy, Fredrik Wolfhagen Sand, Philippe Ravassard, Henrik Semb
Published 2010-01-01

FGF4 and retinoic acid direct differentiation of hESCs into PDX1-expressing foregut endoderm in a time- and concentration-dependent manner.

by Martina Johannesson, Anders Ståhlberg, Jacqueline Ameri, Fredrik Wolfhagen Sand, Karin Norrman, Henrik Semb
Published 2009-01-01