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Effect FGF-20 on cell proliferation. (A,B) Representative images of Ki67- and HNuc-positive cells in 3 weeks differentiated hESCs/PA6 co-cultures – FGF-20 (A) and +FGF-20 (B). Arrowheads point on cells going through mitosis. (C) Graphic representation of the percentages of Ki67-positive cells among HNucpositive cells in 3 weeks differentiated hESCs/PA6 co-cultures −FGF-20 and +FGF-20. Average±SEM. Distance bars: 100 μm.
