Table 2.

A detailed description of the chemicals and factors in the protocol.

Name	Contents
PP-10C	LDN (an inhibitor of BMP signaling) T3 (thyroid hormone), RA, EGF SANT1 (an inhibitor of sonic hedgehog signaling), Repsox (an ALK5 inhibitor) ZnSO4,(2S,5S)-(E,E)-8-(5-(4-(trifluoromethyl)phenyl)-2,4-pentadienoylamino) benzolactam (TPB, a protein kinase C activator) NICO (a form of vitamin B3) γ-aminobutyric acid (GABA, a neurotransmitter)
EP-8C	FSK (a cAMP pathway activator) Repsox (only 1 µM) LDN, TPB, KGF, SANT1, RA, T3
iβ-9C	LDN, T3, Repsox, ZnSO4 GSIXX (a notch pathway inhibitor) RA, HGF, IGF1 PD173074 (PD, a fibroblast growth factor (FGF) pathway inhibitor)
Fβ-7C	betacellulin (BTC) ISX-9 (a NEUROD1 inducer) G-1 (a G protein-coupled estrogen receptor agonist) Deza (a histone methyltransferase inhibitor) ZM (an aurora kinase inhibitor) H1152 (a ROCK-II inhibitor) CI-1033 (a pan-ErbB inhibitor)