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Fig. 2 | Stem Cell Research & Therapy

Fig. 2

From: Sequential stimulation with different concentrations of BMP4 promotes the differentiation of human embryonic stem cells into dental epithelium with potential for tooth formation

Fig. 2

Cell morphology. a The cells were used to form EBs 3 days after passage. b hES cells formed EBs after suspension culture for 3 days. c The EBs were transferred to standard culture plate for 2 days and some EBs attached. The morphology of EBs attached for 4 (d) and 6 (e) days in EB medium. The cells were stimulated with 1 pM BMP4 in EB medium on days 4 (f) and 6 (g). Scale bar, 300 μm

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Stem Cell Research & Therapy

ISSN: 1757-6512