This invention relates to the efficient generation of cholangiocyte progenitor (CP) cells. Foregut stem cells (FSCs) are cultured in a hepatic induction medium comprising bone morphogenetic protein (BMP) and a TGFβ signalling inhibitor to produce a population of hepatoblasts. The hepatoblasts are then cultured in a biliary induction medium comprising fibroblast growth factor (FGF), retinoic acid and a TGFβ ligand to produce a population of cholangiocyte progenitors (CPs). The cholangiocyte progenitors (CPs) may be matured into cholangiocyte-like cells (CLCs) that display functional properties of Common Bile Duct (CBD) cholangiocytes. Methods, kits, cell populations and uses of these cell populations are provided.
本发明涉及胆管细胞祖细胞(CP)的高效生成。前肠干细胞(FSCs)在由骨形态发生蛋白(
BMP)和TGFβ信号
抑制剂组成的肝脏诱导
培养基中培养,以产生肝母细胞群。然后将这些肝母细胞放在由成纤维细胞生长因子(FGF)、
维甲酸和 TGFβ
配体组成的胆道诱导
培养基中培养,以产生胆管细胞祖细胞(CPs)。胆管细胞祖细胞(CPs)可成熟为胆管细胞样细胞(CLCs),显示胆总管(CBD)胆管细胞的功能特性。本研究提供了这些细胞群的方法、试剂盒、细胞群和用途。