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Human Embryonic Stem Cell (hESCs)-derived cells committed toward neuronal/dopaminergic differentiation pathway by co-culturing with PA6 stromal cells for 16 days. (A, B) Phase contrast images of structures formed in hESC colonies. (C) Immunocytochemical analysis of cell composition: tyrosine hydroxylase (TH), green; human nuclei marker, red. Scale bars = 100 μm.
