S100B and intrahepatic cholangiocarcinoma: The UCL ICC results show both differentiated hiPSC-SCPs and hiPSC-SCs expressed p75NTR (NGFR) on the membrane, which is associated with immature Schwann cells and precursors [27,51,52,53], whereas only the hiPSC-SCs expressed S100B, which is only found in immature to mature Schwann cells [52,54].