Fig. 3.

Comparision of published protocols of human ES and iPS cell differentiation into hair cell-like cells. BMP bone morphogenetic protein, EB embryoid bodies, EGF epidermal growth factor, FGF fibroblast growth factor, hESCs human embryonic stem cells, hPSCs human induced pluripotent sten cells, IGF-1 insulin-like growth factor 2, LIF leukemia inhibitory factor, NNE non neural ectoderm, OEPD otic epibranchial placode domain, PPR pre placodal region, RA retinoic acid, TCF-β transforming growth factor-β